Adhesive tape assembly

Abstract

An improved fastening tape assembly is shown and described. The fastening tape assembly includes a carrier component that includes a nonwoven layer, a polymeric film layer, an adhesive layer, and a release layer. The fastening tape assembly described herein can also include in a Z-folded assembly.

Description

[0001] Cross-reference to related applications

[0002] This application claims the benefits of U.S. Provisional Application No. 63 / 092,626, filed October 16, 2020, and U.S. Provisional Application No. 63 / 188,304, filed May 13, 2021, the disclosures of which are incorporated herein by reference in their entirety. Technical Field

[0003] This invention generally relates to a fastening pull tab, particularly an adhesive tape assembly, that can be used in conjunction with disposable absorbent articles (such as diapers) and other applications. Therefore, this invention provides enhanced or improved capabilities for adhesive tape assemblies. Background Technology

[0004] Fastening tabs can be used in conjunction with disposable absorbent articles (such as diapers) and other applications. Disposable absorbent articles (such as baby diapers and / or adult incontinence diapers) are widely known in the art. In many cases, disposable articles (e.g., diaper chassis) consist of a liquid-absorbent core (facilitating fluid separation from the user) enclosed between a liquid-permeable upper sheet (located near the wearer when the disposable article is worn) and a liquid-impermeable back sheet (forming the outer surface of the disposable article when worn, which may be a non-woven fabric laminated with an impermeable layer (such as a polyethylene film)). Disposable articles typically include a rear portion intended to cover the back of the wearer, a front portion intended to cover the front of the wearer, and a crotch portion located between the rear and front portions.

[0005] Disposable items come in reusable forms (which must be washed between uses) or single-use forms. Single-use forms include one or more adhesive tape assemblies, typically used to keep the used diaper in a "rolled-up" shape after use for easy handling and disposal. This disposal tape needs to be bonded to the outside of the diaper. However, the outer surface of diapers is designed to be increasingly soft, requiring a soft yet strong adhesive to bond well with the non-woven portion of the diaper. While the adhesive bonding of the disposal tape can produce an acceptable bond with the non-woven diaper backing, it can cause problems such as clogging within the roll of the adhesive tape assembly.

[0006] Conventional treatment tapes are typically stored in rolls. Such conventional treatment tapes consist of: a nonwoven layer with a release layer on one surface and a polymer layer on the other surface of the nonwoven layer; and an adhesive layer disposed on the surface of the polymer layer away from the nonwoven layer. This configuration of treatment tapes is prone to clogging or damage when a layer of treatment tape is removed from an adjacent layer. Although the release layer is designed to protect the underlying structure, it does not completely cover the underlying nonwoven layer due to the absorbent nature of the nonwoven material. Therefore, a portion of the adhesive layer tends to penetrate into the adjacent nonwoven material. When a layer is removed from an adjacent layer, for example, when unwinding the roll or removing a sheet of tape, the release force increases, and when the adhesive layer is released from the nonwoven material, some nonwoven fibers are undesirably pulled out. This leads to tape damage and prevents the tape from being cleanly unwound from the roll. In some cases, the tape may even break, or it may be impossible to fully unwrap the tape without damaging it.

[0007] Fasteners are typically used to attach disposable items to provide a strong and durable bond. Several techniques have been employed to achieve this bond, including mechanical bonding processes and the use of high-strength adhesives. However, difficulties may arise in developing fastening systems capable of allowing a limited degree of elongation and / or stretching. This limitation on the extent of elongation and / or stretching is particularly desirable for diapers designed for children, as significantly elongated fasteners could pose a choking hazard to young children. Some regions have regulations limiting the permissible total elongation of fastener systems; for example, some international toy regulations limit the permissible total elongation to below 200 mm. A method is desired to reduce the amount of elongation of the fastening band assembly while providing the typical strength of the fastening band assembly. Furthermore, greater flexibility due to a thinner film than current systems is also expected. Additionally, less plastic deformation compared to current cast polypropylene (PP) constructions, and improved aesthetics when the band is applied to the diaper, are also desirable. Furthermore, a band that does not cause clogging is also needed. Therefore, a fastening belt assembly with at least one of these properties is still needed. Summary of the Invention

[0008] The embodiments of the invention described below are not intended to be exhaustive, nor are they intended to limit the invention to the precise forms disclosed in the following detailed description. Rather, these embodiments were chosen and described so that others skilled in the art can understand and grasp the principles and practice of the invention.

[0009] An improved fastening band assembly is shown and described. The fastening band assembly includes: (1) a carrier component comprising: (a) a nonwoven layer having a first side and a second side; and (b) a polymer film layer having a first side and a second side; wherein the second side of the polymer film layer is at least partially disposed on the first side of the nonwoven layer; (2) an adhesive layer at least partially disposed on the second side of the nonwoven layer; and (3) a release layer at least partially disposed on the first side of the polymer film layer. In many embodiments, the carrier component is extruded laminated, adhesive-bonded, or a combination thereof. In many embodiments, the nonwoven layer comprises spunbond nonwoven fabric, carded nonwoven fabric, spunlace nonwoven fabric, meltblown nonwoven fabric, or a combination thereof. Other types of nonwoven fabrics are also conceivable. In several embodiments, the polymer film comprises a polyolefin. In many embodiments, the adhesive layer comprises an acrylic adhesive, a rubber adhesive, a silicone adhesive, or a combination thereof. In many embodiments, the rubber adhesive comprises poly(styrene-butadiene-styrene) (SBS), poly(styrene-isoprene-styrene) (SIS), styrene-butadiene (SB), or combinations thereof. In many embodiments, the adhesive layer is pressure-sensitive. In many embodiments, the adhesive layer is patterned. In many embodiments, the adhesive layer is continuous. In many embodiments, the release layer comprises silicone, fluoropolymer, or combinations thereof. In many embodiments, the release layer is at least partially bonded to a first side of the polymer film layer using heat. In many embodiments, the silicone release layer is at least partially bonded to a first side of the polymer film layer using ultraviolet or infrared curing.

[0010] A Z-folded fastening band assembly is also described, comprising: (1) a fastening member defining a first facet for attachment to a disposable article or substrate and an opposing second facet; (2) a bonding member defining a first facet for attachment to a disposable article or substrate and an opposing second facet; and (3) an extension member generally disposed between the fastening member and the bonding member and at least partially attached to the fastening member and the bonding member; wherein at least one of the fastening member, the bonding member, and the extension member comprises the fastening band assembly described herein.

[0011] A Z-folded fastening band assembly is also described, comprising: (1) a fastening member defining a first side for attachment to a disposable article or substrate and an opposing second side; (2) a bonding member defining a first side for attachment to a disposable article or substrate and an opposing second side; and (3) an extension member generally disposed between the fastening member and the bonding member and at least partially attached to the fastening member and the bonding member; wherein the fastening member comprises: (i) a carrier member comprising: (a) a nonwoven layer having a first side and a second side; and (b) a polymer film layer having a first side and a second side; wherein the second side of the polymer film layer is at least partially disposed on the first side of the nonwoven layer; (ii) an adhesive layer being at least partially disposed on the second side of the nonwoven layer; and (iii) a release layer being at least partially disposed on the first side of the polymer film layer.

[0012] Further described is a Z-folded fastening band assembly comprising: (1) a fastening member defining a first side for attachment to a disposable article or substrate and an opposing second side; (2) a bonding member defining a first side for attachment to a disposable article or substrate and an opposing second side; and (3) an extension member generally disposed between the fastening member and the bonding member and at least partially attached to the fastening member and the bonding member; wherein the bonding member comprises: (i) a carrier member comprising: (a) a nonwoven layer having a first side and a second side; and (b) a polymer film layer having a first side and a second side; wherein the second side of the polymer film layer is at least partially disposed on the first side of the nonwoven layer; (ii) an adhesive layer being at least partially disposed on the second side of the nonwoven layer; and (iii) a release layer being at least partially disposed on the first side of the polymer film layer.

[0013] Additionally, a Z-folded fastening band assembly is described, comprising: (1) a fastening member defining a first side for attachment to a disposable article or substrate and an opposing second side; (2) a bonding member defining a first side for attachment to a disposable article or substrate and an opposing second side; and (3) an extension member generally disposed between the fastening member and the bonding member and at least partially attached to the fastening member and the bonding member; wherein the extension member comprises: (i) a carrier member comprising: (a) a nonwoven layer having a first side and a second side; and (b) a polymer film layer having a first side and a second side; wherein the second side of the polymer film layer is at least partially disposed on the first side of the nonwoven layer; (ii) an adhesive layer being at least partially disposed on the second side of the nonwoven layer; and (iii) a release layer being at least partially disposed on the first side of the polymer film layer.

[0014] Further described is a Z-shaped folded fastening band assembly comprising: a fastening member defining a first side for attachment to a disposable article or substrate and an opposing second side; a bonding member defining the first side for attachment to a disposable article or substrate and an opposing second side; and an extension member generally disposed between the fastening member and the bonding member, and at least partially attached to the fastening member and the bonding member; wherein the extension member includes the first side and the second side; wherein the extension member is substantially non-extendable; and wherein at least one of the fastening member and the bonding member comprises the fastening band assembly described herein.

[0015] A method of manufacturing the Z-folded fastening band assembly described in the embodiments herein is also described. Further described is an article comprising the Z-folded fastening band assembly described in the embodiments herein. In many embodiments, the article is a diaper.

[0016] Other features and advantages of the invention will become apparent to those skilled in the art from the following detailed description. However, it should be understood that while preferred and other embodiments of the invention are shown, the detailed description of various embodiments and specific examples is given in an illustrative rather than restrictive manner. Many changes and modifications can be made within the scope of the invention without departing from its spirit, and the invention encompasses all such modifications. Attached Figure Description

[0017] The advantages of embodiments of the present invention will become apparent from the following detailed description of exemplary embodiments thereof, which should be considered in conjunction with the accompanying drawings, wherein similar reference numerals denote similar elements, in which:

[0018] Figure 1A This is a schematic illustration of a disposable article according to various aspects described herein, wherein a fastening tab including a fastening band assembly is attached to the disposable article.

[0019] Figure 1B This is a schematic illustration of a disposable article according to various aspects described herein, which includes a fastening strap assembly.

[0020] Figure 2 This is an exemplary illustration showing a partial cross-sectional view of a fastening band assembly according to various aspects of this disclosure.

[0021] Figure 3A This is an exploded side view showing the Z-shaped folded fastening strap assembly according to various aspects of this disclosure.

[0022] Figure 3B This is an exploded side view showing the Z-shaped folded fastening strap assembly according to various aspects of this disclosure.

[0023] Figure 3C This is an exploded side view showing the Z-shaped folded fastening strap assembly according to various aspects of this disclosure.

[0024] Figure 3D This is an exploded side view showing the Z-shaped folded fastening strap assembly according to various aspects of this disclosure.

[0025] Figure 3E This is an exploded side view showing the Z-shaped folded fastening strap assembly according to various aspects of this disclosure.

[0026] Figure 4 This is a graph showing the percentage of deployment and release force of the fastening strap assembly according to an embodiment of the present disclosure compared to a conventional strap over a 6-week period, relative to the initial deployment and release force.

[0027] Figure 5 This is a graph showing the percentage of deployment release force of the fastening strap assembly according to an embodiment of the present disclosure compared to the initial deployment release force over a 6-week period.

[0028] Figure 6 This is a graph showing the percentage of deployment and release force of the fastening strap assembly and two conventional straps according to embodiments of the present disclosure over a 6-week period, compared to the initial deployment and release force.

[0029] Figure 7The diagram illustrates (i) a Z-folded fastening strap assembly with a non-extendable extension member according to an embodiment of the present disclosure and (ii) the total elongation of two conventional Z-folded straps. Detailed Implementation

[0030] Various aspects of the present invention are disclosed in the following description and accompanying drawings, which relate to specific embodiments of the invention. Alternative embodiments may be devised without departing from the spirit or scope of the invention. Furthermore, well-known elements in exemplary embodiments of the invention will not be described in detail or will be omitted to avoid obscuring relevant details of the invention. In addition, for ease of understanding of the description, several terms used herein are discussed below.

[0031] As used herein, the term "exemplary" means "as an example, instance, or illustration." The embodiments described herein are not limiting but merely exemplary. It should be understood that the described embodiments are not necessarily to be construed as being more preferred or advantageous than other embodiments. Furthermore, the terms "embodiments of the invention," "embodiments," or "invention" do not require that all embodiments of the invention include the features, advantages, or modes of operation discussed.

[0032] The fastening strap assembly includes a carrier component. The carrier component includes a non-woven layer, a polymer film layer, and an adhesive layer. The non-woven layer has a first side and a second side facing each other. The polymer film layer has a first side and a second side facing each other. In some embodiments, the second side of the polymer film layer is at least partially disposed on the first side of the non-woven layer. In some embodiments, the polymer film layer is completely or substantially completely disposed on the first side of the non-woven layer. In some embodiments, the adhesive layer is at least partially disposed on the second side of the non-woven layer. In some embodiments, the adhesive layer is completely or substantially completely disposed on the second side of the non-woven layer. In some embodiments, a release layer is at least partially disposed on the first side of the polymer film layer. In some embodiments, the release layer is completely or substantially completely disposed on the first side of the polymer film layer.

[0033] As previously mentioned, conventional tapes suffer from the drawback of clogging, which occurs when the adhesive from one tape layer migrates into the nonwoven material of the adjacent tape layer. "Clogging," as used herein, refers to the inability or difficulty of removing one layer of tape from another without defects due to increased bonding strength between the layers. Without clogging, one layer of tape can be easily removed from an adjacent tape layer without requiring significant force. Clogging occurs when the bonding between layers increases, requiring greater force to separate these layers. If the bonding between layers is sufficiently high, the unwinding process of the tape roll may stall. In some cases, the available tension may concentrate at one or more locations on the tape or at the tape edges, potentially causing damage or breakage at or near these locations. It was unexpectedly discovered that clogging can be overcome by orienting the nonwoven layer between the polymer film and the adhesive layer, and by placing the release layer on the side of the polymer layer opposite to the nonwoven material. Thus, the adhesive layer of the first layer of the fastening tape assembly is separated from the nonwoven layer of the second adjacent layer of the fastening tape assembly by both the release layer and the polymer film. In this configuration, the adhesive cannot penetrate into the nonwoven layer of the second fastening tape assembly. Therefore, when removing an adjacent first layer of the fastening band assembly, the non-woven layer of the underlying second layer of the fastening band assembly remains intact because the non-woven fibers of the underlying second layer are not pulled out by the adhesive of the first layer. Since blockage is reduced or non-occurring, each layer of the fastening band assembly can be removed cleanly or substantially cleanly from the adjacent fastening band assembly layers.

[0034] The nonwoven layer can be made of any suitable material. In many embodiments, the nonwoven layer includes spunbond nonwovens, carded nonwovens, spunlace nonwovens, meltblown nonwovens, or combinations thereof. The nonwoven layer may also include other nonwovens not described herein. In many embodiments, the thickness of the nonwoven material ranges from 10 to 70 gsm (grams per square meter). In some embodiments, the thickness of the nonwoven material ranges from 20 to 60 gsm. In some embodiments, the thickness of the nonwoven material ranges from 30 to 50 gsm.

[0035] The polymer film can be made of any suitable material. In several embodiments, the polymer film includes polyolefins such as polypropylene, biaxially oriented polypropylene, polyethylene, or combinations thereof. In several embodiments, the polymer film includes polypropylene, biaxially oriented polypropylene, polyethylene, or combinations thereof. In many embodiments, the adhesive layer includes acrylic adhesives, rubber adhesives, silicone adhesives, or combinations thereof. In many embodiments, the polymer film includes polypropylene, biaxially oriented polypropylene, polyethylene, or combinations thereof. In many embodiments, the thickness of the polymer film ranges from 5 to 50 gsm. In some embodiments, the thickness of the polymer film ranges from 10 to 40 gsm. In other embodiments, the thickness of the polymer film ranges from 15 to 35 gsm.

[0036] In many embodiments, the adhesive layer comprises an acrylic adhesive, a rubber adhesive, a silicone adhesive, or a combination thereof. In some embodiments, the rubber adhesive comprises poly(styrene-butadiene-styrene) (SBS), poly(styrene-isoprene-styrene) (SIS), styrene-butadiene (SB), or a combination thereof. In many embodiments, the adhesive layer is pressure-sensitive. In some embodiments, the adhesive layer is patterned. "Patterned" as used herein refers to the deposition or formation of a pattern in a discontinuous configuration of the adhesive. The pattern may be uniform, non-uniform, symmetrical, or asymmetrical. In some embodiments, the adhesive layer is continuous or substantially continuous.

[0037] The release layer can be made of any suitable material. In some embodiments, the release layer comprises silicone, a fluoropolymer, or a combination thereof. In some embodiments, the release layer comprises silicone. While silicone release layers can be used, other release layers are also conceivable. In some embodiments, the release layer is at least partially bonded to a first side of the polymer film layer using heat. In some embodiments, the release layer is completely or substantially completely bonded to the first side of the polymer film layer using heat. In some embodiments, the release layer is at least partially bonded to the first side of the polymer film layer using ultraviolet (UV) or infrared (IR) curing. In some embodiments, the release layer is completely or substantially completely bonded to the first side of the polymer film layer using UV or IR curing.

[0038] The force required to remove one layer of the tape from another is affected by at least one of the adhesive type and the amount of silicone in the tape. Surprisingly, it was found that the amount of silicone required for current fastening tape assemblies is significantly less than that required for conventional tapes. In some embodiments, the release coating weight of the fastening tape assembly is 3 to 6 times less than the silicone coating weight of conventional non-woven tapes. In some embodiments, the release coating weight is less than 6 g / m. 2 In some embodiments, the release coating weight is less than 5 g / m³. 2 Less than 4g / m 2 Less than 3g / m 2 or less than 2g / m 2 .

[0039] In many embodiments, the carrier component can be manufactured using any suitable method. In some embodiments, the carrier component is extruded, laminated, bonded, or a combination thereof.

[0040] The fastening strap assembly can be in any suitable form. In some embodiments, the fastening strap assembly is in roll form. In some embodiments, the fastening strap assembly is in sheet form.

[0041] The fastening band assembly can be used in any closed or disposable band construction for diapers or other items. In some embodiments, the fastening band assembly includes at least a portion of a non-folded or double-folded fastening band assembly. In some embodiments, the non-folded or double-folded fastening band assembly may also include at least one mechanical closure mechanism, such as a hook.

[0042] In some embodiments, the fastening strap assembly of this disclosure is included in at least a portion of a Z-folded fastening strap assembly. The Z-folded fastening strap assembly includes a fastening member, a connecting member, and an extension member disposed between the fastening member and the connecting member. At least one of the fastening member, the connecting member, and the extension member includes the fastening strap assembly described herein. In some embodiments, each of the fastening member, the connecting member, and the extension member includes the fastening strap assembly. In some embodiments, the fastening member includes the fastening strap assembly described herein.

[0043] In some embodiments, at least a portion of the fastening member of the Z-folded fastening band assembly is configured to attach to a disposable article or substrate. In some embodiments, the fastening member defines a first side for attachment to the disposable article or substrate and a second side facing opposite to it. In some embodiments, at least a portion of the first side of the fastening member is configured to attach to the disposable article or substrate. In some embodiments, all or substantially all of the first side of the fastening member is configured to attach to the disposable article or substrate.

[0044] In some embodiments, at least a portion of the coupling member of the fastening strap assembly is configured to attach to a disposable article or substrate. In some embodiments, the coupling member defines a first side for attachment to the disposable article or substrate and a second side facing opposite to it. In some embodiments, at least a portion of the first side of the coupling member is configured to attach to the disposable article or substrate. In some embodiments, all or substantially all of the first side of the coupling member is configured to attach to the disposable article or substrate.

[0045] An extension member is typically arranged between a fastening member and a connecting member. The phrase "typically arranged between" as used herein means that at least a portion of the extension member is located between the fastening member and the connecting member. In some embodiments, at least a portion of the extension member is at least partially attached to the fastening member. In some embodiments, at least a portion of the extension member is at least partially attached to the connecting member. In some embodiments, the extension member is directly attached to at least one of the fastening member and the connecting member. For example, at least a portion of the extension member may adhere to at least a portion of at least one of the fastening member and the connecting member. In some embodiments, the extension member is indirectly attached to at least one of the fastening member and the connecting member. For example, at least a portion of the extension member may adhere to a different structure, which in turn adheres to the fastening member or the connecting member, thereby forming, for example, a U-shaped joint between the extension member and the fastening member or the connecting member.

[0046] In some embodiments, the fastening member of the Z-folded fastening band assembly includes a carrier member as described above. The carrier member includes a non-woven layer having a first side and a second side, a polymer film layer having a first side and a second side, an adhesive layer, and a release layer. At least a portion of the second side of the polymer film layer is at least partially disposed on the first side of the non-woven layer. At least a portion of the adhesive layer is at least partially disposed on the second side of the non-woven layer. At least a portion of the release layer is at least partially disposed on the first side of the polymer film layer. In some embodiments, the adhesive layer of the fastening member is disposed in an adhesive region on a first surface of the fastening member. The fastening member is at least partially bonded to an extension member in the adhesive region. In some embodiments, the first surface of the fastening member is at least partially covered by the adhesive layer to thereby bond the fastening member to the extension member. In some embodiments, the adhesive layer on the first surface of the fastening member is patterned. In some embodiments, the adhesive layer on the first surface of the fastening member is continuous. In some embodiments, the distal end of the fastening member is folded, thereby forming a folded edge. The fastening member is attached to the extension member at this folded edge. In some embodiments, a film strip is attached to the distal end of the fastening member, thereby forming a U-shaped joint connecting the fastening member to the extension member. The film strip can be made of any suitable material with high tear resistance, such as a cast polypropylene or PET film layer. In some embodiments, the adhesive layer is a pressure-sensitive adhesive. In some embodiments, the fastening member also includes at least one mechanical closure mechanism, such as a hook. This at least one mechanical closure mechanism can be used to attach the fastening band assembly to a diaper article or substrate. This at least one mechanical closure mechanism can be used in conjunction with an adhesive.

[0047] In some embodiments, the bonding member of the Z-folded fastening band assembly includes a carrier member as described above. The carrier member includes a non-woven layer having a first side and a second side, a polymer film layer having a first side and a second side, an adhesive layer, and a release layer. At least a portion of the second side of the polymer film layer is at least partially disposed on the first side of the non-woven layer. At least a portion of the adhesive layer is at least partially disposed on the second side of the non-woven layer. At least a portion of the release layer is at least partially disposed on the first side of the polymer film layer. In some embodiments, the adhesive layer of the bonding member is disposed in an adhesive region on a first surface of the bonding member. The bonding member may be at least partially bonded to an article or substrate at the adhesive region. In some embodiments, the adhesive layer on the first surface of the bonding member is patterned. In some embodiments, the adhesive layer on the first surface of the bonding member is continuous. In some embodiments, the adhesive layer is a pressure-sensitive adhesive. In some embodiments, the distal end of the bonding member is folded, thereby forming an edge, and the bonding member is attached to an extension member at this edge, thereby forming a Y-shaped bond. In some embodiments, the first surface of the bonding member is at least partially covered by the adhesive layer to thereby bond the bonding member to the extension member. In some embodiments, a film strip is attached to the distal end of the connecting member to form a U-shaped joint connecting the connecting member to the extension member. The film strip can be made of any suitable material, such as a biaxially oriented polypropylene (BOPP) film layer. In some embodiments, the connecting member has at least one perforation. In some embodiments, the connecting member has multiple perforations. In some embodiments, at least one perforation is located on the Y-shaped joint that engages the connecting member and the extension member. In some embodiments, the connecting member is attached to the extension member via two Y-shaped joints spaced apart from each other, and one of the Y-shaped joints includes at least one perforation. The perforation allows the connecting member to remain intact before using the fastening band assembly and prevents breakage at the location of the perforation when the fastening band assembly is configured. For example, the perforation on the Y-shaped joint can reduce the risk of the connecting member and the extension member swinging away from each other before the fastening band assembly is configured.

[0048] In some embodiments, the extension member of the Z-folded fastening strap assembly includes a carrier member as described above. The carrier member includes a non-woven layer having a first side and a second side, a polymer film layer having a first side and a second side, an adhesive layer, and a release layer. At least a portion of the second side of the polymer film layer is disposed at least partially on the first side of the non-woven layer. At least a portion of the adhesive layer is disposed at least partially on the second side of the non-woven layer. At least a portion of the release layer is disposed at least partially on the first side of the polymer film layer. In some embodiments, the adhesive layer of the extension member is disposed in an adhesive region on a first surface of the extension member. The extension member is at least partially bonded to a bonding member at the adhesive region. In some embodiments, the first surface of the extension member is at least partially covered by the adhesive layer to thereby bond the extension member to the bonding member. In some embodiments, the adhesive layer on the first surface of the extension member is patterned. In some embodiments, the adhesive layer on the first surface of the extension member is continuous. In some embodiments, the second surface of the extension member is at least partially covered by the adhesive layer to thereby bond the extension member to the fastening member. In some embodiments, the adhesive layer on the second surface of the extension member is patterned. In some embodiments, the adhesive layer on the second surface of the extension member is continuous. In some embodiments, the distal end of the extension member is folded to form an edge, and a fastening member is attached to the extension member at the edge to form a Y-shaped joint. In some embodiments, the extension member has an adhesive region on a first surface to at least partially bond the joining member to the extension member. In some embodiments, the first distal end of the extension member is folded to form an edge, and a fastening member is attached to the extension member at the edge to form a first Y-shaped joint; and the second distal end of the extension member is folded to form an edge, and a fastening member is attached to the extension member at the edge to form a second Y-shaped joint. In some embodiments, the extension member has an adhesive region on a first surface to at least partially bond the extension member to the fastening member and the joining member. In some embodiments, a film strip is attached to the distal end of the extension member to form a U-shaped joint that connects the extension member to the fastening member or the joining member. The film strip can be made of any suitable material, such as a biaxially oriented polypropylene (BOPP) film layer. In some embodiments, the adhesive layer is a pressure-sensitive adhesive.

[0049] In some embodiments, the Z-folded fastening band assembly includes: (1) a fastening member defining a first facet for attachment to a disposable article or substrate and a second facet facing opposite directions; (2) a bonding member defining a first facet for attachment to a disposable article or substrate and a second facet facing opposite directions; and (3) an extension member generally disposed between the fastening member and the bonding member and at least partially attached to the fastening member and the bonding member; wherein at least one of the fastening member, the bonding member and the extension member includes the fastening band assembly described herein.

[0050] In some embodiments, the Z-folded fastening band assembly includes: (1) a fastening member defining a first side for attachment to a disposable article or substrate and an opposing second side; (2) a bonding member defining a first side for attachment to a disposable article or substrate and an opposing second side; and (3) an extension member generally disposed between the fastening member and the bonding member and at least partially attached to the fastening member and the bonding member; wherein the fastening member includes: (i) a carrier member including: (a) a nonwoven layer having a first side and a second side; and (b) a polymer film layer having a first side and a second side; wherein the second side of the polymer film layer is at least partially disposed on the first side of the nonwoven layer; (ii) an adhesive layer being at least partially disposed on the second side of the nonwoven layer; and (iii) a release layer being at least partially disposed on the first side of the polymer film layer.

[0051] In many embodiments, the carrier component of the Z-folded fastening band assembly can be manufactured using several different methods. In some embodiments, the carrier component is extruded and laminated, adhesively bonded, or a combination thereof.

[0052] The nonwoven layer of the Z-folded fastening band assembly can be made of any suitable material. In many embodiments, the nonwoven layer includes spunbond nonwovens, carded nonwovens, spunlace nonwovens, meltblown nonwovens, or combinations thereof. The nonwoven layer may also include other nonwovens not described herein. In many embodiments, the thickness of the nonwoven fabric ranges from 10 to 70 gsm. In some embodiments, the thickness of the nonwoven fabric ranges from 20 to 60 gsm. In some embodiments, the thickness of the nonwoven layer ranges from 30 to 50 gsm.

[0053] The polymer film of the Z-folded fastening band assembly can be made of any suitable material. In many embodiments, the polymer film includes polypropylene, biaxially oriented polypropylene, polyethylene, or combinations thereof. In many embodiments, the thickness of the polymer film ranges from 5 to 50 gsm. In some embodiments, the thickness of the polymer film ranges from 10 to 40 gsm. In many embodiments, the thickness of the polymer film ranges from 15 to 35 gsm.

[0054] The adhesive layer of the carrier component in the Z-folded fastening strap assembly can be made of any suitable material. In many embodiments, the adhesive layer includes acrylic adhesives, rubber adhesives, silicone adhesives, or combinations thereof. In some embodiments, the rubber adhesive includes poly(styrene-butadiene-styrene) (SBS), poly(styrene-isoprene-styrene) (SIS), or combinations thereof. In many embodiments, the adhesive layer is pressure-sensitive. In some embodiments, the adhesive layer is patterned, as described above. In some embodiments, the adhesive layer is continuous.

[0055] The release layer of the carrier component in the Z-folded fastening band assembly can be made of any suitable material. In some embodiments, the release layer comprises silicone. The release layer can be bonded to the polymer film by any suitable method. In some embodiments, the release layer is at least partially bonded to a first side of the polymer film layer using heat. In some embodiments, the release layer is at least partially bonded to a first side of the polymer film layer using UV or IR curing.

[0056] In some embodiments, the Z-fold fastening strap assembly includes a finger lift that is at least partially attached to the fastening member. In some embodiments, at least a portion of at least one surface of the finger lift is adhesive-free. In some embodiments, at least a portion of both surfaces of the finger lift is adhesive-free. In some embodiments, the finger lift is substantially adhesive-free. The finger lift provides an extension tab that can be gripped by a user, allowing the user to easily open the Z-fold fastening strap assembly.

[0057] In many embodiments, the fastening band assembly of the Z-folded fastening band assembly is in a roll form. In many embodiments, the fastening band assembly of the Z-folded fastening band assembly is in a sheet form.

[0058] In some embodiments, the Z-folded fastening band assembly includes: (1) a fastening member defining a first side for attachment to a disposable article or substrate and a second side facing oppositely; (2) a bonding member defining a first side for attachment to a disposable article or substrate and a second side facing oppositely; and (3) an extension member generally disposed between the fastening member and the bonding member and at least partially attached to the fastening member and the bonding member; wherein the bonding member includes: (i) a carrier member including: (a) a nonwoven layer having a first side and a second side; and (b) a polymer film layer having a first side and a second side; wherein the second side of the polymer film layer is at least partially disposed on the first side of the nonwoven layer; (ii) an adhesive layer being at least partially disposed on the second side of the nonwoven layer; and (iii) a release layer being at least partially disposed on the first side of the polymer film layer.

[0059] In some embodiments, the Z-folded fastening band assembly includes: (1) a fastening member defining a first side for attachment to a disposable article or substrate and a second side facing opposite to it; (2) a bonding member defining a first side for attachment to a disposable article or substrate and a second side facing opposite to it; and (3) an extension member generally disposed between the fastening member and the bonding member and at least partially attached to the fastening member and the bonding member; wherein the extension member includes: (i) a carrier member including: (a) a nonwoven layer having a first side and a second side; and (b) a polymer film layer having a first side and a second side; wherein the second side of the polymer film layer is at least partially disposed on the first side of the nonwoven layer; (ii) an adhesive layer being at least partially disposed on the second side of the nonwoven layer; and (iii) a release layer being at least partially disposed on the first side of the polymer film layer.

[0060] In many embodiments, at least one of the fastening member, extension member, or bonding member is non-stretchable or substantially non-stretchable. "Non-stretchable" as used herein means that after the yield point (the end of elastic tension), there is no plastic deformation or material flow, and therefore the film will break after the yield point. When attached to an article or substrate, the bonding member can be partially, completely, or substantially completely attached to the article or substrate. When the bonding member is completely or substantially completely attached to the article or substrate, the bonding member has little effect on the elongation of the fastening band assembly. In many embodiments, the extension member is non-stretchable or substantially non-stretchable. In many embodiments, both the fastening member and the extension member are non-stretchable or substantially non-stretchable. When both the fastening member and the extension member are non-stretchable, the total elongation of the fastening band assembly under an applied elongation force is even less than the total elongation when only the extension member is non-stretchable or substantially non-stretchable. "Total elongation" as used herein refers to the sum of the original length and any additional length produced after the application of an elongation force.

[0061] In some embodiments, the extension portion of the Z-folded fastening band assembly is non-extendable or substantially non-extendable, and the fastening portion includes the fastening band assembly described herein. In some embodiments, the Z-folded fastening band assembly includes: a fastening portion defining a first side for attachment to a disposable article or substrate and an opposing second side; a bonding portion defining a first side for attachment to a disposable article or substrate and an opposing second side; and an extension portion generally disposed between the fastening portion and the bonding portion, and at least partially attached to the fastening portion and the bonding portion; wherein the extension portion is substantially non-extendable; and wherein at least one of the fastening portion and the bonding portion includes the fastening band assembly described herein.

[0062] In many embodiments, the Z-folded fastening band assembly can be stretched or elongated beyond its original length by no more than 1%, 2.5%, 5%, 10%, 20%, 25%, or 35%. In many embodiments, the Z-folded band assembly can be stretched or elongated to a total elongation of no more than 200 mm. In some embodiments, after elongation at an elongation rate of 1500 mm / min, the total elongation of the Z-folded band assembly is less than 200 mm until the Z-folded band assembly breaks or fractures.

[0063] The non-stretchable or substantially non-stretchable extension component can be made of any suitable material, such as an oriented film. In some embodiments, the extension component comprises polyester. In some embodiments, the extension component comprises polyethylene terephthalate (PET), oriented polypropylene (OPP), BOPP, blown film, or any combination thereof. In some embodiments, the extension component comprises polyethylene terephthalate (PET), oriented polypropylene (OPP), BOPP, or any combination thereof. In many embodiments, the non-stretchable or substantially non-stretchable extension component is a reinforcing film or laminate. In many embodiments, the non-stretchable or substantially non-stretchable extension component has a tear resistance of at least 200 millinewtons, as measured by the Elmendorth tear strength test. In many embodiments, the non-stretchable or substantially non-stretchable extension component has a tear resistance of at least 400 millinewtons or at least 500 millinewtons, as measured by the Elmendorth tear strength test. In many embodiments, at least one of the extension component and the fastening component is inelastic or substantially inelastic. In many embodiments, the extension component is inelastic or substantially inelastic. The non-extendable nature of at least one of the fastening and extension components limits the unfolded length of the Z-folded fastening strap assembly. This is advantageous because it provides better safety associated with the use of the strap assembly or any item on which it is placed, particularly when the strap is used in items designed for children. In many embodiments, the fastening strap assembly conforms to the International Organization for Standardization's ISO 8124 toy safety standard.

[0064] In many embodiments, a non-stretchable or substantially non-stretchable extension member is at least partially covered by an adhesive on a first surface of the extension member and at least partially covered by a release layer on a second surface of the extension member. In many embodiments, a non-stretchable or substantially non-stretchable fastening member is at least partially covered by an adhesive on a first surface of the fastening member and at least partially covered by a release layer on a second surface of the fastening member. In many embodiments, the adhesive layer comprises an acrylic adhesive, a rubber adhesive, a silicone adhesive, or a combination thereof. In some embodiments, the rubber adhesive comprises poly(styrene-butadiene-styrene) (SBS), poly(styrene-isoprene-styrene) (SIS), or a combination thereof. In many embodiments, the adhesive layer is pressure-sensitive. In some embodiments, the adhesive layer is patterned. In some embodiments, the adhesive layer is continuous. In some embodiments, the adhesive layer is a pressure-sensitive adhesive.

[0065] The Z-folded fastening band assembly described in this disclosure can be manufactured by any suitable method. This Z-folded fastening band assembly can be included on an article. In many embodiments, the article is a diaper.

[0066] Figure 1A An embodiment of a disposable item 1 according to the current topic is shown. (Refer to...) Figure 1A The disposable article 1 has a front portion 4, a rear portion 5, and a crotch portion 6 located between the front portion 4 and the rear portion 5. A base frame 11 is provided in the front portion 4, the rear portion 5, and the crotch portion 6. The base frame 11 may include: a water-permeable upper sheet 2; a water-impermeable back sheet 3 associated with the upper sheet 2; and an absorbent core (not shown) disposed between the upper sheet 2 and the back sheet 3.

[0067] In many embodiments, the backsheet 3 may suitably be formed of a suitable film material, such as a laminate comprising a polymer film and a nonwoven material. In some embodiments, the backsheet 3 comprises a nonwoven material having a weight in the range of about 7 gsm to about 25 gsm (grams per square meter), or in the range of about 10 gsm to about 20 gsm, or in the range of about 12 gsm to about 18 gsm. In some embodiments, the nonwoven material may suitably comprise a spunbond material. In some embodiments, the nonwoven material is a polypropylene nonwoven. In some embodiments, the polymer film is a polyethylene or polypropylene film. In some embodiments, the nonwoven material may suitably comprise an assembly of entangled or otherwise arranged fibers or filaments that may be thermally or adhesively bonded to a polymer web or backing (e.g., a polyethylene and / or polypropylene backing). Of course, alternatively, other known nonwoven materials may be used similarly and / or other known methods for manufacturing nonwoven materials may be employed.

[0068] The disposable article 1 may further include: an inner rear flap (not shown) and an outer rear flap 7, both extending from a first side 15 to a second side 16 of the disposable article 1 in a rear portion 5; and an inner front flap 8 and an outer front flap 9 extending from the first side 15 to the second side 16 of the disposable article 1 in a front portion 4. Each of the inner rear flap (not shown) and the outer rear flap 7 has its outermost edge line 17 on each side of the disposable article 1 in contact with the inner front flap 8 and the outer front flap 9 on each of the first side 15 and the second side 16. A portion of the edges 14 of the inner rear flap (not shown) and the outer rear flap 7, and the inner front flap 8 and the outer front flap 9 define each of the two leg openings 12. A portion of the edges 18 of the inner rear flap (not shown) and the outer rear flap 7, the inner front flap 8, and the outer front flap 9 define a waist opening 13. Disposable item 1 includes fastening strap assembly 10 (such as...) Figure 1B As shown), wherein the fastening component 20 (in Figures 3A to 3D The fastening element 20 (referred to as 201) can be observed on the outer rear flap 7 of the disposable article 1. It is understood that, in some embodiments, the fastening element 20 can be observed on the outer front flap 9 of the disposable article 1. Figure 1B An extension component 30 is also provided (in Figures 3A to 3D (referred to as 202) and the connecting component 40 (in) Figures 3A to 3D (Referring to as 203). The fastening strap assembly 10 is in an extended position, attached to and securing the rolled-up disposable item 1. In some embodiments, the fastening strap assembly 10 may have a finger-lifting portion 50. Although the fastening strap assembly 10 has been described herein, it is understood that the subject matter includes other strap assemblies, such as, but not limited to, those described herein. Figure 2 and Figures 3A to 3D The fastening strap assembly described in [the document].

[0069] Figure 2 The fastening strap assembly 100 is shown. Figure 1B The embodiment also referred to as 10) is described. The fastening strap assembly includes a carrier component 150 comprising: (a) a non-woven layer 130 having a first side 131 and a second side 132; (b) a polymer film layer 120 having a first side 121 and a second side 122; (c) an adhesive layer 140 having a first side 141 and a second side 142; and (d) a release layer 110 having a first side 111 and a second side 112. The second side 122 of the polymer film layer 120 is at least partially disposed on the first side 131 of the non-woven layer 130. The adhesive layer 140 is at least partially disposed on the second side 132 of the non-woven layer 130. The second side 112 of the release layer 110 is at least partially disposed on the first side 121 of the polymer film layer 120.

[0070] Figures 3A to 3E An embodiment of a Z-folded fastening strap assembly 200 is shown. The Z-folded fastening strap assembly 200 includes: (1) a fastening member 201; (2) a connecting member 203; and (3) a non-extendable extension member 202. The fastening member 201 defines a first surface 204 for attachment to a disposable article or substrate and opposing second surfaces 205. Figure 3A In this fastening component 201, a carrier component includes: an adhesive layer 219 located on a first surface 204 of the fastening component 201; a release layer 220 located on a second surface 205 of the fastening component 201; a non-woven layer 221B adjacent to the adhesive layer 219; and a polymer film layer 221A adjacent to the non-woven layer 221B, such that the non-woven layer 221B is located between the adhesive layer 219 and the polymer film layer 221A. Figures 3B to 3EIn this embodiment, any of the fastening member, extension member, or bonding member may include a carrier member according to various aspects of this disclosure, in which case at least one of the carrier layers 221, 227, or 224 includes a polymer film layer and a nonwoven layer (not shown independently; collectively referred to as 221 for the fastening member, 227 for the extension member, or 224 for the bonding member) positioned adjacent to each other, such that the polymer film layer (not shown independently) is sandwiched between a respective nonwoven layer (not shown independently) and a respective release layer (220, 226, or 223, respectively), and the nonwoven layer (not shown independently) is sandwiched between a respective adhesive layer (219, 225, or 222) and a respective polymer film layer (not shown independently). In some embodiments, Figures 3B to 3E The fastening component includes a carrier component according to various aspects of the present disclosure, the carrier component comprising: an adhesive layer 219 at a first surface 204 of the fastening component; a release layer 220 at a second surface 205 of the fastening component 201; and a non-woven layer (e.g., ...) adjacent to the adhesive layer 219. Figure 3A Shown as 221B); and with non-woven layers (such as Figure 3A The adjacent polymer film layers (as shown in Figure 221B) Figure 3A Shown as 221A), thus the non-woven layer (such as Figure 3A (As shown in Figure 221B) is located in the adhesive layer 219 and the polymer film layer (e.g.) Figure 3A The diagram shows the values ​​between 221A and 221A. Figures 3A to 3C In this process, adhesive layer 219 is continuous. Figure 3D and Figure 3E In this configuration, adhesive layer 219 is patterned. Bonding member 203 defines a first surface 206 for attachment to a disposable article or substrate and opposing second surfaces 207. Adhesive layer 222 is located on the first surface 206 of bonding member 203, while release layer 223 is located on the second surface 207. Carrier layer 224 is situated between adhesive layer 222 and release layer 223. Extension member 202 has a first surface 208 and a second surface 209, and is generally arranged between fastening member 201 and bonding member 203. Adhesive layer 225 is located on the first surface 208 of extension member 202, and release layer 226 is located on the second surface 209. Carrier layer 227 is situated between adhesive layer 225 and release layer 226. Figure 3A and Figure 3B In this process, adhesive layer 225 is continuous. Figures 3C to 3EIn this configuration, adhesive layer 225 is patterned. Fastening member 201 is attached to extension member 202. The first distal end 210 of extension member 202 is folded up to form a folded edge 214, such that the folded edge 214 of extension member 202 is attached to the first surface 204 of fastening member 201, forming a Y-shaped joint 211. Therefore, a portion of one end of extension member 202 is at least partially attached to fastening member 201. Extension member 202 is attached to connecting member 203. Figure 3A , Figures 3C to 3E In this configuration, the first distal end 216 of the connecting member 203 is folded up to form a folded edge 217, such that the folded edge 217 of the connecting member 203 is attached to the first surface 208 of the extension member 203, forming a Y-shaped joint 218. Figure 3B In this process, the film strip 215 is attached to the first distal end 216 of the connecting member 203, forming a U-shaped joint that attaches the first distal end 216 of the connecting member 203 to a portion of the first surface 208 of the extension member 202. Therefore, in Figures 3A to 3E In each of the figures, a portion of one end of the extension member 202 is at least partially attached to the connecting member 203. Figures 3A to 3D In the middle, the Z-shaped folded fastening strap assembly 200 also has a finger-lifting portion 212, which is attached to the first surface 204 of the fastening member 201 and located at the first distal end 213 of the fastening member 201. It will be noted that Figures 3A to 3D The fastening component 201, the extension component 202, and the connecting component 203 are shown in an exploded view, so there are no attachments. This is only to illustrate the different components of the fastening band assembly 200, however, the aforementioned components are attached as described herein.

[0071] The following embodiments were considered. Combinations of all features and embodiments were considered.

[0072] Example 1: A fastening strap assembly comprising: (1) a carrier component comprising: (a) a non-woven layer having a first side and a second side; and (b) a polymer film layer having a first side and a second side; wherein the second side of the polymer film layer is at least partially disposed on the first side of the non-woven layer; (2) an adhesive layer being at least partially disposed on the second side of the non-woven layer; and (3) a release layer being at least partially disposed on the first side of the polymer film layer.

[0073] Example 2: According to the embodiment described in Example 1, the carrier component is extruded and laminated, bonded with an adhesive, or a combination thereof.

[0074] Example 3: According to any one of Examples 1 to 2, wherein the nonwoven layer comprises spunbond nonwoven fabric, carded nonwoven fabric, spunlace nonwoven fabric, meltblown nonwoven fabric or a combination thereof.

[0075] Example 4: According to any one of Examples 1 to 3, wherein the polymer film comprises a polyolefin.

[0076] Example 5: According to any one of Examples 1 to 4, wherein the adhesive layer comprises an acrylic adhesive, a rubber adhesive, a silicone adhesive, or a combination thereof.

[0077] Example 6: According to the embodiment described in Example 5, the rubber adhesive includes poly(styrene-butadiene-styrene) (SBS), poly(styrene-isoprene-styrene) (SIS), styrene-butadiene (SB), or a combination thereof.

[0078] Example 7: According to any one of Examples 1 to 6, wherein the adhesive layer is pressure-sensitive.

[0079] Example 8: According to any one of Examples 1 to 7, wherein the adhesive layer is patterned.

[0080] Example 9: An embodiment according to any one of Examples 1 to 7, wherein the adhesive layer is continuous.

[0081] Example 10: An embodiment according to any one of Examples 1 to 9, wherein the release layer comprises silicone, fluoropolymer or a combination thereof.

[0082] Example 11: An embodiment according to any one of Examples 1 to 9, wherein the release layer is a silicone release layer.

[0083] Example 12: An embodiment according to any one of Examples 1 to 11, wherein the release layer is at least partially bonded to the first side of the polymer film layer using heat.

[0084] Example 13: According to any one of Examples 1 to 11, wherein the release layer is cured using ultraviolet or infrared light and is at least partially bonded to the first side of the polymer film layer.

[0085] Example 14: A Z-shaped folded fastening band assembly comprising: (1) a fastening member defining a first face for attachment to a disposable article or substrate and an opposing second face; (2) a bonding member defining a first face for attachment to a disposable article or substrate and an opposing second face; and (3) an extension member generally disposed between the fastening member and the bonding member and at least partially attached to the fastening member and the bonding member; wherein at least one of the fastening member, the bonding member and the extension member comprises the fastening band assembly according to Example 1.

[0086] Example 15: A Z-folded fastening band assembly comprising: (1) a fastening member defining a first side for attachment to a disposable article or substrate and an opposing second side; (2) a bonding member defining a first side for attachment to a disposable article or substrate and an opposing second side; and (3) an extension member generally disposed between the fastening member and the bonding member and at least partially attached to the fastening member and the bonding member; wherein the fastening member comprises: (i) a carrier member comprising: (a) a nonwoven layer having a first side and a second side; and (b) a polymer film layer having a first side and a second side; wherein the second side of the polymer film layer is at least partially disposed on the first side of the nonwoven layer; (ii) an adhesive layer being at least partially disposed on the second side of the nonwoven layer; and (iii) a release layer being at least partially disposed on the first side of the polymer film layer.

[0087] Example 16: According to the embodiment described in Example 15, the first surface of the fastening member is at least partially covered by the adhesive layer to thereby bond the fastening member to the extension member.

[0088] Example 17: According to any one of Examples 14 to 15, the adhesive layer on the first surface of the fastening member is patterned.

[0089] Example 18: According to any one of Examples 14 to 15, wherein the adhesive layer on the first surface of the fastening member is continuous.

[0090] Example 19: According to any one of Examples 14 to 18, wherein the adhesive layer is a pressure-sensitive adhesive.

[0091] Example 20: According to any one of Examples 14 to 19, wherein the fastening component further includes a hook.

[0092] Example 21: According to any one of Examples 14 to 19, the adhesive layer of the fastening member is disposed in the adhesive region on the first surface of the fastening member, thereby at least partially bonding the fastening member to the extension member.

[0093] Example 22: According to any one of Examples 14 to 21, the embodiment further includes a finger-lifting portion that is at least partially attached to the fastening member.

[0094] Example 23: According to any one of Examples 14 to 22, the embodiment further includes at least one perforation located in the connecting member.

[0095] Example 24: According to any one of Examples 14 to 23, wherein the fastening strap assembly is in the form of a roll.

[0096] Example 25: A Z-folded fastening band assembly comprising: (1) a fastening member defining a first side for attachment to a disposable article or substrate and an opposing second side; (2) a bonding member defining a first side for attachment to a disposable article or substrate and an opposing second side; and (3) an extension member generally disposed between the fastening member and the bonding member and at least partially attached to the fastening member and the bonding member; wherein the bonding member comprises: (i) a carrier member comprising: (a) a nonwoven layer having a first side and a second side; and (b) a polymer film layer having a first side and a second side; wherein the second side of the polymer film layer is at least partially disposed on the first side of the nonwoven layer; (ii) an adhesive layer being at least partially disposed on the second side of the nonwoven layer; and (iii) a release layer being at least partially disposed on the first side of the polymer film layer.

[0097] Example 26: According to the embodiment described in Example 25, the first surface of the bonding member is at least partially covered by the adhesive layer to thereby bond the bonding member to the extension member.

[0098] Example 27: According to any one of Examples 25 to 26, the adhesive layer on the first surface of the bonding member is patterned.

[0099] Example 28: According to any one of Examples 25 to 26, wherein the adhesive layer on the first surface of the bonding member is continuous.

[0100] Example 29: An embodiment according to any one of Examples 25 to 28, wherein the adhesive layer is a pressure-sensitive adhesive.

[0101] Example 30: According to any one of Examples 25 to 29, the connecting component further includes a hook.

[0102] Example 31: According to any one of Examples 25 to 30, wherein the adhesive layer of the bonding member is disposed in the adhesive region on the first surface of the bonding member, thereby bonding the bonding member to the extension member at least partially.

[0103] Example 32: According to any one of Examples 25 to 31, the embodiment further includes at least one perforation located in the connecting member.

[0104] Example 33: According to any one of Examples 25 to 32, wherein the fastening strap assembly is in the form of a roll.

[0105] Example 34: A Z-folded fastening band assembly comprising: (1) a fastening member defining a first side for attachment to a disposable article or substrate and an opposing second side; (2) a bonding member defining a first side for attachment to a disposable article or substrate and an opposing second side; and (3) an extension member generally disposed between the fastening member and the bonding member and at least partially attached to the fastening member and the bonding member; wherein the extension member comprises: (i) a carrier member comprising: (a) a nonwoven layer having a first side and a second side; and (b) a polymer film layer having a first side and a second side; wherein the second side of the polymer film layer is at least partially disposed on the first side of the nonwoven layer; (ii) an adhesive layer being at least partially disposed on the second side of the nonwoven layer; and (iii) a release layer being at least partially disposed on the first side of the polymer film layer.

[0106] Example 35: According to the embodiment described in Example 34, the first surface of the extension member is at least partially covered by the adhesive layer to thereby bond the extension member to the bonding member.

[0107] Example 36: According to the embodiment described in Example 34, the second surface of the extension member is at least partially covered by the adhesive layer to thereby bond the extension member to the fastening member.

[0108] Example 37: According to any one of Examples 34 to 36, the adhesive layer on the first surface of the extension member is patterned.

[0109] Example 38: According to any one of Examples 34 to 36, wherein the adhesive layer on the first surface of the extension member is continuous.

[0110] Example 39: An embodiment according to any one of Examples 34 to 38, wherein the adhesive layer is a pressure-sensitive adhesive.

[0111] Example 40: According to any one of Examples 34 to 39, wherein the adhesive layer of the extension member is disposed in the adhesive region on the first surface of the bonding member, thereby bonding the bonding member to the extension member at least partially.

[0112] Example 41: According to any one of Examples 34 to 39, wherein the adhesive layer of the extension member is disposed in the adhesive region on the first surface of the bonding member, thereby at least partially bonding the extension member to the fastening member and the bonding member.

[0113] Example 42: According to any one of Examples 34 to 41, the embodiment further includes at least one perforation located in the connecting member.

[0114] Example 43: According to any one of Examples 34 to 44, wherein the fastening strap assembly is in the form of a roll.

[0115] Example 44: A Z-shaped folded fastening band assembly comprising: a fastening member defining a first face and an opposing second face for attachment to a disposable article or substrate; a bonding member defining the first face and the opposing second face for attachment to a disposable article or substrate; and an extension member generally disposed between the fastening member and the bonding member and at least partially attached to the fastening member and the bonding member; wherein the extension member includes the first face and the second face; wherein the extension member is substantially non-extendable; and wherein at least one of the fastening member and the bonding member comprises the fastening band assembly according to claim 1.

[0116] Example 45: According to the embodiment described in Example 44, the extended component comprises polyester.

[0117] Example 46: According to the embodiment described in Example 44, the extension component comprises polyethylene terephthalate (PET), oriented polypropylene (OPP), BOPP, or any combination thereof.

[0118] Example 47: According to any one of Examples 44 to 47, wherein the first surface of the extension member is at least partially covered by an adhesive layer.

[0119] Example 48: An embodiment according to any one of Examples 44 to 47, wherein the second surface of the extension member is at least partially covered by a release layer.

[0120] Example 49: A method for manufacturing a Z-shaped folded fastening strap assembly according to any one of Examples 14 to 48.

[0121] Example 50: An article comprising a fastening strap assembly with a Z-shaped fold according to any one of claims 14 to 48.

[0122] Example 51: According to the embodiment described in Example 50, wherein the article is a diaper.

[0123] The foregoing description and accompanying drawings illustrate the principles, preferred embodiments, and modes of operation of the invention. However, the invention should not be construed as limited to the specific embodiments discussed above. Those skilled in the art will understand other variations of the embodiments discussed above (e.g., features associated with certain configurations of the invention may, conversely, be associated with any other configuration of the invention, if desired).

[0124] Therefore, the embodiments described above should be considered illustrative rather than restrictive. It should be understood that those skilled in the art can make changes to these embodiments without departing from the scope of the invention as defined in the appended claims.

[0125] Example

[0126] Aging test

[0127] The deployment release force of the fastening strap assembly according to various aspects of this disclosure was compared with the deployment release force of three different conventional straps. The conventional straps have a silicone-coated nonwoven fabric laminated with a polyolefin layer. An overview of the tested strap assemblies and comparative straps can be found in Table 1 below. As can be seen from Table 1, the same adhesive (PSA) was used in Examples 1 to 3; while in Comparative Examples 1, 2 and 3, and 4 and 5, different adhesives PSA-C1, PSA-C2, and PSA-C3 were used, respectively. Each adhesive used in the examples and comparative examples is a pressure-sensitive rubber-based adhesive. As shown in Table 1 below, the weight of the silicone coating on the straps of each comparative example is different. A Model 5943 tensile testing machine (manufactured by Instron Corporation, Massachusetts, USA) was used to perform unfolding and release tests on rolls of tape, each 66 mm wide, at an unfolding speed of 1000 mm / min. The tests were repeated every other week for each tape over a six-week period. Between tests, the tapes were stored at 50°C.

[0128] Table 1. Band Structure

[0129]

[0130]

[0131] The results of the aging test can be found in Table 2 below. Figures 4 to 6 Found it.

[0132] Table 2. Deployment and Release Results

[0133] Example Comparative example result 1 Cleanly unfold 1 The nonwoven fabric was damaged at 6 weeks. 2 Cleanly unfold 2 The non-woven fabric was damaged after 3 weeks. 3 Cleanly unfold 3 Cleanly unfold 4 The non-woven fabric was damaged after 3 weeks. 5 Cleanly unfold

[0134] The aging results show that the belt assembly according to this disclosure can be cleanly unwound even after 6 weeks and even with a low silicone coating weight. In contrast, conventional belts experience at least partial transfer of the adhesive to the nonwoven fabric of adjacent belt layers, which undesirably causes the nonwoven fibers to be pulled out of the nonwoven layers during belt unwinding, thereby damaging the nonwoven fabric. Therefore, as shown in Table 2, conventional belts exhibit nonwoven fabric damage for belts with a medium silicone coating weight, and a high silicone coating weight is required for clean unwinding. Figure 5 and 6 The diagram shows the performance of the release force over different time intervals compared to the initial deployment release force for each example.

[0135] Elongation test

[0136] The total elongation of the Z-folded fastening band assembly according to an embodiment of this disclosure (Example 4) was compared with the total elongation of two conventional Z-folded bands (Comparative Examples 6 and 7). The construction materials of each Z-folded band are shown in Table 3 below. The nonwoven laminate of Example 4 is a fastening band assembly comprising a rubber-based pressure-sensitive adhesive layer adjacent to a nonwoven layer, the nonwoven being adjacent to a polyolefin polymer film, and the polymer film being adjacent to a silicone release layer. A Model 5943 tensile testing machine (manufactured by Instron Corporation, Massachusetts, USA) was used to test the elongation of a 13mm wide strip at an elongation rate of 1500mm / min. The increase in length measured at break or fracture of each strip was recorded. The total elongation of each strip was calculated by adding the increased strip length after elongation to the initial strip length. The results of the total elongation test are available in [the relevant section]. Figure 7 As shown in the figure. Example 4 (which includes the fastening band assembly of this disclosure as both a fastening component and a non-stretchable polyester extension component) has a significantly lower total elongation than Comparative Examples 6 and 7. From Figure 7 It can be seen that the total elongation of Comparative Example 6 is about four times that of Example 4, and the total elongation of Comparative Example 6 is more than twice that of Example 4.

[0137] Table 3. Z-shaped folding structure

[0138] Example Fastening components extension components Connecting components Comparative Example 6 Cast polypropylene Cast polypropylene BOPP Comparative Example 7 Cast polypropylene Polyester BOPP Example 4 non-woven laminate Polyester BOPP

Claims

1. A Z-shaped folded fastening strap assembly, the Z-shaped folded fastening strap assembly comprising: A fastening component that defines a first side for attachment to a disposable article or substrate and a second side facing opposite directions; A bonding component that defines a first side for attachment to a disposable article or substrate and a second side facing opposite directions; as well as An extension member is disposed between the fastening member and the connecting member, and is at least partially attached to the fastening member and the connecting member; Wherein, at least one of the fastening component, the connecting component, and the extension component includes a fastening band assembly, the fastening band assembly comprising: The carrier component includes: Having a non-woven layer on a first side and a second side; and A polymer film layer having a first side and a second side, wherein the thickness of the polymer film layer ranges from 5 to 50 gsm; Wherein, the second side of the polymer film layer is at least partially disposed on the first side of the non-woven layer; An adhesive layer, which is at least partially disposed on the second side of the non-woven layer; and A release layer, at least partially disposed on a first side of the polymer film layer, wherein the weight of the release layer is less than 6 g / m³. 2 ; The release layer is bonded to the first side of the polymer film layer by heat or ultraviolet / infrared curing.

2. A Z-shaped folded fastening strap assembly, the Z-shaped folded fastening strap assembly comprising: A fastening component that defines a first side for attachment to a disposable article or substrate and a second side facing opposite directions; A bonding component that defines a first side for attachment to a disposable article or substrate and a second side facing opposite directions; as well as An extension member is disposed between the fastening member and the connecting member, and is at least partially attached to the fastening member and the connecting member; The fastening components include: A carrier component comprising: (a) a nonwoven layer having a first side and a second side; and (b) a polymer film layer having a first side and a second side, wherein the thickness of the polymer film layer ranges from 5 to 50 gsm; wherein the second side of the polymer film layer is at least partially disposed on the first side of the nonwoven layer; An adhesive layer, which is at least partially disposed on the second side of the non-woven layer; and A release layer, which is at least partially disposed on a first side of the polymer film layer, wherein the weight of the release layer is less than 6 g / m³. 2 ; The release layer is bonded to the first side of the polymer film layer by heat or ultraviolet / infrared curing.

3. The Z-shaped folded fastening strap assembly according to claim 1, wherein, The first surface of the fastening member is at least partially covered by the adhesive layer, thereby bonding the fastening member to the extension member.

4. The Z-shaped folded fastening strap assembly according to any one of claims 1 to 2, wherein, The adhesive layer on the first surface of the fastening component is patterned.

5. The Z-shaped folded fastening strap assembly according to any one of claims 1 to 2, wherein, The adhesive layer on the first surface of the fastening component is continuous.

6. The Z-shaped folded fastening strap assembly according to any one of claims 1 to 2, wherein, The adhesive layer is a pressure-sensitive adhesive.

7. The Z-shaped folded fastening strap assembly according to any one of claims 1 to 2, wherein, The fastening component also includes a hook.

8. The Z-shaped folded fastening strap assembly according to any one of claims 1 to 2, wherein, The adhesive layer of the fastening member is disposed in the adhesive region on the first surface of the fastening member, thereby at least partially bonding the fastening member to the extension member.

9. The Z-shaped folded fastening strap assembly according to any one of claims 1 to 2, further comprising a finger pull portion at least partially attached to the fastening member.

10. The Z-folded fastening strap assembly according to any one of claims 1 to 2, further comprising at least one perforation located in the connecting member.

11. The Z-shaped folded fastening strap assembly according to any one of claims 1 to 2, wherein, The fastening strap assembly is in the form of a roll.

12. A Z-folded fastening strap assembly, the Z-folded fastening strap assembly comprising: A fastening component that defines a first side for attachment to a disposable article or substrate and a second side facing opposite directions; A bonding component that defines a first side for attachment to a disposable article or substrate and a second side facing opposite directions; as well as An extension member is disposed between the fastening member and the connecting member, and is at least partially attached to the fastening member and the connecting member; The connecting component includes: A carrier component comprising: (a) a nonwoven layer having a first side and a second side; and (b) a polymer film layer having a first side and a second side, wherein the thickness of the polymer film layer ranges from 5 to 50 gsm; wherein the second side of the polymer film layer is at least partially disposed on the first side of the nonwoven layer; An adhesive layer, which is at least partially disposed on the second side of the non-woven layer; and A release layer, which is at least partially disposed on a first side of the polymer film layer, wherein the weight of the release layer is less than 6 g / m³. 2 ; The release layer is bonded to the first side of the polymer film layer by heat or ultraviolet / infrared curing.

13. The Z-shaped folded fastening strap assembly according to claim 12, wherein, The first surface of the bonding member is at least partially covered by the adhesive layer, thereby bonding the bonding member to the extension member.

14. The Z-shaped folded fastening strap assembly according to any one of claims 12 to 13, wherein, The adhesive layer on the first surface of the bonding component is patterned.

15. The Z-shaped folded fastening strap assembly according to any one of claims 12 to 13, wherein, The adhesive layer on the first surface of the bonding component is continuous.

16. The Z-shaped folded fastening strap assembly according to any one of claims 12 to 13, wherein, The adhesive layer is a pressure-sensitive adhesive.

17. The Z-shaped folded fastening strap assembly according to any one of claims 12 to 13, wherein, The connecting component also includes a hook.

18. The Z-shaped folded fastening strap assembly according to any one of claims 12 to 13, wherein, The adhesive layer of the bonding member is disposed in the adhesive region on the first surface of the bonding member, thereby bonding the bonding member to the extension member at least partially.

19. The Z-folded fastening strap assembly according to any one of claims 12 to 13, further comprising at least one perforation located in the connecting member.

20. The Z-shaped folded fastening strap assembly according to any one of claims 12 to 13, wherein, The fastening strap assembly is in the form of a roll.

21. A Z-folded fastening strap assembly, the Z-folded fastening strap assembly comprising: A fastening component that defines a first side for attachment to a disposable article or substrate and a second side facing opposite directions; A bonding component that defines a first side for attachment to a disposable article or substrate and a second side facing opposite directions; as well as An extension member is disposed between the fastening member and the connecting member, and is at least partially attached to the fastening member and the connecting member; The extension component includes: A carrier component comprising: (a) a nonwoven layer having a first side and a second side; and (b) a polymer film layer having a first side and a second side, wherein the thickness of the polymer film layer ranges from 5 to 50 gsm; wherein the second side of the polymer film layer is at least partially disposed on the first side of the nonwoven layer; An adhesive layer, which is at least partially disposed on the second side of the non-woven layer; and A release layer, which is at least partially disposed on a first side of the polymer film layer, wherein the weight of the release layer is less than 6 g / m³. 2 ; The release layer is bonded to the first side of the polymer film layer by heat or ultraviolet / infrared curing.

22. The Z-shaped folded fastening strap assembly according to claim 21, wherein, The first surface of the extension member is at least partially covered by the adhesive layer to thereby bond the extension member to the bonding member.

23. The Z-shaped folded fastening strap assembly according to claim 21, wherein, The second surface of the extension member is at least partially covered by the adhesive layer, thereby bonding the extension member to the fastening member.

24. The Z-shaped folded fastening strap assembly according to any one of claims 21 to 22, wherein, The adhesive layer on the first surface of the extension component is patterned.

25. The Z-shaped folded fastening strap assembly according to any one of claims 21 to 22, wherein, The adhesive layer on the first surface of the extension member is continuous.

26. The Z-shaped folded fastening strap assembly according to any one of claims 21 to 22, wherein, The adhesive layer is a pressure-sensitive adhesive.

27. The Z-shaped folded fastening strap assembly according to any one of claims 21 to 22, wherein, The adhesive layer of the extension member is disposed in the adhesive region on the first surface of the bonding member, thereby bonding the bonding member to the extension member at least partially.

28. The Z-shaped folded fastening strap assembly according to any one of claims 21 to 22, wherein, The adhesive layer of the extension member is disposed in the adhesive region on the first surface of the bonding member, thereby at least partially bonding the extension member to the fastening member and the bonding member.

29. The Z-folded fastening strap assembly according to any one of claims 21 to 22, further comprising at least one perforation located in the connecting member.

30. The Z-shaped folded fastening strap assembly according to any one of claims 21 to 22, wherein, The fastening strap assembly is in the form of a roll.

31. A Z-shaped folded fastening strap assembly, the Z-shaped folded fastening strap assembly comprising: A fastening component that defines a first side for attachment to a disposable article or substrate and a second side facing opposite directions; A bonding component that defines a first side for attachment to a disposable article or substrate and a second side facing opposite directions; as well as An extension member is disposed between the fastening member and the connecting member, and is at least partially attached to the fastening member and the connecting member; The extension component includes a first surface and a second surface; The extension component is substantially non-extendable; Furthermore, at least one of the fastening component and the connecting component includes a fastening band assembly, the fastening band assembly comprising: The carrier component includes: Having a non-woven layer on a first side and a second side; and A polymer film layer having a first side and a second side, wherein the thickness of the polymer film layer ranges from 5 to 50 gsm; Wherein, the second side of the polymer film layer is at least partially disposed on the first side of the non-woven layer; An adhesive layer, which is at least partially disposed on the second side of the non-woven layer; and A release layer, at least partially disposed on a first side of the polymer film layer, wherein the weight of the release layer is less than 6 g / m³. 2 ; The release layer is bonded to the first side of the polymer film layer by heat or ultraviolet / infrared curing.

32. The Z-shaped folded fastening strap assembly according to claim 31, wherein, The extension component comprises polyester.

33. The Z-shaped folded fastening strap assembly according to claim 31, wherein, The extension component includes polyethylene terephthalate (PET), oriented polypropylene (OPP), BOPP, or any combination thereof.

34. The Z-shaped folded fastening strap assembly according to any one of claims 31 to 33, wherein, The first surface of the extension component is at least partially covered by an adhesive layer.

35. The Z-shaped folded fastening strap assembly according to any one of claims 31 to 33, wherein, The second surface of the extension component is at least partially covered by a release layer.

36. An article comprising a fastening strap assembly with a Z-shaped fold according to any one of claims 1 to 35.

37. The article according to claim 36, wherein, The item in question is a diaper.

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