Elastic fabric with reinforcing ribs and elastic product thereof

Abstract

The utility model belongs to the technical field of elastic products, and particularly relates to elastic cloth with reinforcing ribs and an elastic product of the elastic cloth, the elastic cloth with the reinforcing ribs comprises elastic base cloth and at least one reinforcing rib, the reinforcing rib is an elastic yarn with elasticity in the longitudinal direction, the elastic filaments are fixedly arranged on at least one face of the elastic base cloth, the laying direction of the elastic filaments is parallel to the extending direction of the central axis of the elastic base cloth, the elongation rate of the elastic filaments is set to be A when the elastic filaments are compounded, the elongation rate of the elastic base cloth is set to be B when the elastic filaments are compounded, and the elongation rate of the elastic base cloth is set to be A when the elastic filaments are compounded. The elongation at break of the elastic base cloth is set to be C, the elongation at break of the elastic yarns is set to be D, and A + C-B-Dgt is met; and 0.1. The elastic fabric with the reinforcing ribs has the excellent characteristics of good elastic multiplying power, tensile strength, resilience force, flatness, hand feeling, air permeability and the like, and is convenient to use and high in practicability.

Description

Technical Field

[0001] The utility model belongs to the technical field of elastic products, and in particular relates to an elastic cloth with reinforcing ribs and an elastic product thereof. Background Art

[0002] At present, three types of composite elastic fabrics are mainly used for waist circumference of elastic products (such as diapers, facial masks, training pants, adult incontinence briefs, medical bandages, etc.): the first type is a composite elastic fabric sandwiched with spandex yarns, the second type is a composite elastic fabric sandwiched with elastic films, and the third type is an elastic spunbond meltblown composite fabric. These three types of elastic fabrics have their own shortcomings: the first type of spandex yarn elastic fabric has poor hand feel and skin affinity, and is prone to marks when used; the second type of elastic film composite fabric has insufficient air permeability; the third type of composite elastic fabric has insufficient elasticity multiple and strength. The above three types of elastic fabrics cannot meet market demand.

[0003] In summary, relevant technologies need to be improved urgently. Utility Model Content

[0004] One of the purposes of the utility model is to provide an elastic fabric with reinforced ribs to address the deficiencies of the prior art, which has excellent properties such as good elasticity, tensile strength, resilience, flatness, hand feel and breathability, is easy to use and has strong practicality.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] An elastic fabric with reinforcing ribs comprises an elastic base fabric and at least one reinforcing rib, wherein the reinforcing ribs are elastic threads with longitudinal elasticity, each of the elastic threads is fixed to at least one side of the elastic base fabric, and the laying direction of each of the elastic threads is parallel to the extension direction of the central axis of the elastic base fabric, wherein the composite elongation of the elastic threads is set to A, the composite elongation of the elastic base fabric is set to B, the breaking elongation of the elastic base fabric is set to C, and the breaking elongation of the elastic threads is set to D, satisfying A+CBD>0.1.

[0007] In one embodiment, at least one of the elastic threads comprises a plurality of elastomeric filaments, and each of the plurality of elastomeric filaments has an elongation at break of not less than 200%.

[0008] In one embodiment, the number of the elastic threads is 2 to 100 threads / 100 mm, and the spacing between adjacent elastic threads is 1 mm to 50 mm.

[0009] In one embodiment, the tensile fiber strength of the elastic yarn is greater than 0.5 cN / dtex, and the elastic yarn satisfies that when the fixed elongation is 100%, the elastic recovery rate is 60-100%.

[0010] In one embodiment, the elastic base fabric is an elastic spunbond nonwoven fabric, an elastic meltblown nonwoven fabric, an elastic spunbond meltblown composite fabric, an elastic spunlace nonwoven fabric or an elastic needle-punched nonwoven fabric, and the elastic base fabric has a gram weight of 3.5 gsm to 50 gsm and a thickness of 0.05 mm to 5 mm.

[0011] In one embodiment, the reinforcing ribs are spandex yarns, elastic yarns or rubber bands.

[0012] In one embodiment, the stretch ratio of the elastic base fabric is greater than 200%, the tensile strength of the elastic base fabric is greater than 0.2 cN / dtex, and the longitudinal tensile modulus is greater than 10 gf / mm; the elastic base fabric satisfies that when the fixed elongation is 100%, the elastic recovery rate is 50-100%; the elastic base fabric satisfies that when the fixed elongation is 300%, the elastic recovery rate is 30-100%.

[0013] In one embodiment, the air permeability of the elastic base fabric is greater than 20 cubic meters / square meters / minute, and the fiber diameter of the elastic base fabric is 500 nm to 100 μm.

[0014] In one embodiment, each of the elastic threads is fixedly connected to the elastic base fabric by hot melt adhesive, warp knitting, hot air bonding, melt hot rolling point bonding, hydroentanglement bonding, needle punching entanglement bonding, wet strength adhesive for papermaking, impregnation adhesive for non-woven fabrics, or hot melt powder adhesive.

[0015] Another object of the present application is to provide an elastic product, which comprises the elastic fabric with reinforcing ribs as described above.

[0016] The beneficial effect of the utility model is that: in application, each elastic thread is a reinforcing rib of the elastic base fabric, wherein the composite elongation of the elastic thread is set to A, the composite elongation of the elastic base fabric is set to B, the breaking elongation of the elastic base fabric is set to C, and the breaking elongation of the elastic thread is set to D, satisfying A+CBD>0.1. This structural design enables the elastic base fabric to have good elasticity ratio, tensile strength and resilience under the reinforcement effect of each elastic thread, greatly enhancing the practicability during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0018] Figure 1 It is a top view of an embodiment of the utility model;

[0019] Figure 2It is a side view of an embodiment of the utility model;

[0020] Wherein: 1. elastic base fabric; 2. elastic yarn. DETAILED DESCRIPTION

[0021] For example, certain words are used in the specification and claims to refer to specific components. Those skilled in the art should understand that hardware manufacturers may use different terms to refer to the same component. This specification and claims do not use differences in names as a way to distinguish components, but use differences in the functions of components as the criteria for distinction. For example, "including" mentioned throughout the specification and claims is an open term, so it should be interpreted as "including but not limited to". "Approximately" means that within an acceptable error range, those skilled in the art can solve the technical problem within a certain error range and basically achieve the technical effect.

[0022] In the description of the present invention, it should be understood that the terms "up", "down", "front", "back", "left", "right", "horizontal", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0023] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0024] The present invention will be further described in detail below in conjunction with the accompanying drawings, but the present invention is not limited thereto.

[0025] See also Figure 1 and Figure 2 The embodiment of the present application provides an elastic fabric with reinforcing ribs, including an elastic base fabric 1 and at least one reinforcing rib, wherein the reinforcing rib is an elastic thread 2 with longitudinal elasticity, each elastic thread 2 is fixed to at least one side of the elastic base fabric 1, and the laying direction of each elastic thread 2 is parallel to the extension direction of the central axis of the elastic base fabric 1, wherein the composite elongation of the elastic thread 2 is set to A, the composite elongation of the elastic base fabric 1 is set to B, the breaking elongation of the elastic base fabric 1 is set to C, and the breaking elongation of the elastic thread 2 is set to D, satisfying A+CBD>0.1.

[0026] In application, each elastic thread 2 is a reinforcement of the elastic base fabric 1, wherein the composite elongation of the elastic thread 2 is set to A, the composite elongation of the elastic base fabric 1 is set to B, the breaking elongation of the elastic base fabric 1 is set to C, and the breaking elongation of the elastic thread 2 is set to D, satisfying A+CBD>0.1. This structural design enables the elastic base fabric 1 to have good elasticity, tensile strength and resilience under the reinforcement of each elastic thread 2, greatly enhancing the practicality during use.

[0027] Among them, the material of the elastic base fabric 1 is preferably polyurethane elastic meltblown cloth with a gram weight of 21gsm and an elasticity ratio of 3.5 times; the reinforcing ribs are preferably 75D spandex yarn, and the elasticity ratio of the spandex yarn composited on the elastic cloth is preferably 1.2 times, and the spandex yarn spacing is preferably 10mm. This structural design is beneficial to enhancing the elasticity ratio, tensile strength and resilience of the overall structure, so that the overall structure has excellent properties such as good elasticity ratio, resilience, flatness, feel and breathability, is easy to use and has strong practicality.

[0028] In one embodiment, A+CBD>1 is preferred, and A+CBD>2 is further preferred.

[0029] In one embodiment, the at least one elastic thread 2 comprises a plurality of elastomeric filaments, and each of the plurality of elastomeric filaments has an elongation at break of not less than 200%.

[0030] In application, this structural design is beneficial to enhancing the elasticity ratio, tensile strength and resilience of the overall structure.

[0031] In one embodiment, the longitudinal tensile modulus of the elastic yarn 2 is greater than 10 gf / mm.

[0032] In application, the longitudinal tensile modulus of the elastic thread 2 is preferably greater than 10 gf / mm. This structural design is beneficial to enhancing the elasticity ratio, tensile strength and resilience of the overall structure.

[0033] In one embodiment, the number of the elastic threads 2 is 2 to 100 per 100 mm, and the spacing between adjacent elastic threads 2 is 1 mm to 50 mm.

[0034] In application, the number of elastic threads 2 is preferably set to 2 to 100 threads / 100 mm, and the spacing between adjacent elastic threads 2 is preferably set to 10 mm. This structural design is conducive to enhancing the elasticity ratio, tensile strength and resilience of the overall structure.

[0035] In one embodiment, the elastic thread 2 is made of spandex filament, spandex filament core-spun yarn or rubber band, the stretching ratio of the elastic thread 2 is greater than 200%, the tensile fiber strength of the elastic thread 2 is greater than 0.5 cN / dtex, and the elastic thread 2 satisfies the requirement that the elastic recovery rate is 60-100% when the fixed elongation rate is 100%. This structural design is conducive to enhancing the elasticity ratio, tensile strength and resilience of the overall structure.

[0036] In one embodiment, the elastic base fabric 1 is an elastic spunbond nonwoven fabric, an elastic meltblown nonwoven fabric, an elastic spunbond meltblown composite fabric, an elastic spunlace nonwoven fabric or an elastic needle-punched nonwoven fabric, and the elastic base fabric 1 has a gram weight of 3.5 gsm to 50 gsm and a thickness of 0.05 mm to 5 mm.

[0037] In application, the weight of the elastic base fabric 1 is preferably set to 21 gsm. This structural design is beneficial to both cost saving and maintaining the elastic breathable fabric's breathable, sweat-absorbent and skin-friendly properties.

[0038] In one embodiment, the material of each elastic thread 2 includes at least one of a urethane block copolymer, a styrene block copolymer, an aliphatic polyester, or an aliphatic polyamide.

[0039] In application, the material of each elastic thread 2 preferably includes at least one of urethane block copolymer, styrene block copolymer, aliphatic polyester or aliphatic polyamide. This material setting is beneficial to improving the elasticity ratio, tensile strength and resilience of the overall structure.

[0040] In one embodiment, the elastic base fabric 1 is an elastic meltblown non-woven fabric, the stretching ratio of the elastic base fabric 1 is greater than 200%, the tensile strength of the elastic base fabric 1 is greater than 0.2 cN / dtex, and the longitudinal tensile modulus is greater than 10 gf / mm; the elastic base fabric 1 satisfies that when the fixed elongation is 100%, the elastic recovery rate is 50-100%; the elastic base fabric 1 satisfies that when the fixed elongation is 300%, the elastic recovery rate is 30-100%.

[0041] In application, the material of the elastic base fabric 1 is preferably an elastic meltblown non-woven fabric, the stretching ratio of the elastic base fabric 1 is preferably greater than 200%, the tensile fiber strength of the elastic base fabric 1 is preferably greater than 0.2 cN / dtex, and the longitudinal tensile modulus is preferably greater than 10 gf / mm; the elastic base fabric 1 satisfies that when the fixed elongation is 100%, the elastic recovery rate is 50-100%; the elastic base fabric 1 satisfies that when the fixed elongation is 300%, the elastic recovery rate is 30-100%. This structural design is conducive to enhancing the elasticity ratio, tensile strength and resilience of the overall structure.

[0042] In one embodiment, the air permeability of the elastic base fabric 1 is greater than 20 cubic meters / square meters / minute, and the fiber diameter of the elastic base fabric 1 is 500 nm to 10 μm.

[0043] In application, the air permeability of the elastic base fabric 1 is preferably greater than 20 cubic meters / square meters / minute, and the fiber diameter of the elastic base fabric 1 is preferably 500nm-100μm. This structural design makes the overall structure have good air permeability.

[0044] In one embodiment, each elastic thread 2 is fixedly connected to the elastic base fabric 1 by hot melt adhesive, warp knitting, hot air bonding, melt hot rolling point bonding, hydroentanglement bonding, needle punching entanglement bonding, wet strength adhesive for papermaking, impregnation adhesive for non-woven fabrics or hot melt powder adhesive.

[0045] In application, each elastic thread 2 is preferably fixedly connected to the elastic base fabric 1 by hot melt adhesive. During processing, the hot melt adhesive is first sprayed on the surface of each elastic thread 2, and then each elastic thread 2 is fixedly connected to the elastic base fabric 1; or the hot melt adhesive is first sprayed on the surface of the elastic base fabric 1, and then each elastic thread 2 is fixedly connected to the elastic base fabric 1. The processing method can be flexibly selected according to the actual work needs. Each elastic thread 2 is preferably fixedly connected to the elastic base fabric 1 by hot melt adhesive. This connection method is more firm and stable.

[0046] See also Figure 1 and Figure 2 The utility model also proposes an elastic product, which includes the above-mentioned elastic fabric with reinforcing ribs. The specific structure of the elastic fabric with reinforcing ribs refers to the above-mentioned embodiment. Since the elastic product adopts all the technical solutions of all the above-mentioned embodiments, it also has all the beneficial effects brought by the technical solutions of the above-mentioned embodiments, which will not be repeated here one by one.

[0047] Among them, the elastic products are preferably sanitary products (such as towels, face towels, bath towels, underwear, disposable underwear, menstrual pants, pull-on pants, adult incontinence pants, functional underwear, sleeves, sun protection clothing, skin care underwear, sanitary napkins, diapers, etc.), care products (such as facial masks, face masks, etc.), and medical supplies (such as bandages, etc.).

[0048] The above description shows and describes several preferred embodiments of the utility model, but as mentioned above, it should be understood that the utility model is not limited to the form disclosed herein, and should not be regarded as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be modified within the scope of the utility model concept described herein through the above teachings or the technology or knowledge of the relevant field. The changes and modifications made by those skilled in the art do not deviate from the spirit and scope of the utility model, and should be within the scope of protection of the claims attached to the utility model.

Claims

1. An elastic fabric with reinforcing ribs, characterized in that: The invention comprises an elastic base fabric (1) and at least one reinforcing rib, wherein the reinforcing rib is an elastic thread (2) having elasticity in the longitudinal direction, each of the elastic threads (2) is fixed on at least one side of the elastic base fabric (1), and the laying direction of each of the elastic threads (2) is parallel to the extension direction of the central axis of the elastic base fabric (1), wherein the composite elongation of the elastic thread (2) is set to A, the composite elongation of the elastic base fabric (1) is set to B, the elongation at break of the elastic base fabric (1) is set to C, and the elongation at break of the elastic thread (2) is set to D, satisfying A+CBD>0.

1.

2. The elastic fabric with reinforced ribs according to claim 1, characterized in that: At least one of the elastic threads (2) comprises a plurality of elastomeric filaments, and each of the plurality of elastomeric filaments has a breaking elongation of not less than 200%.

3. The elastic fabric with reinforced ribs according to claim 1, characterized in that: The number of the elastic threads (2) is 2 to 100 threads / 100 mm, and the spacing between adjacent elastic threads (2) is 1 mm to 50 mm.

4. The elastic fabric with reinforced ribs according to any one of claims 1 to 3, characterized in that: The tensile fiber strength of the elastic yarn (2) is greater than 0.5 cN / dtex, and the elastic yarn (2) satisfies the requirement that when the fixed elongation is 100%, the elastic recovery rate is 60-100%.

5. The elastic fabric with reinforced ribs according to any one of claims 1 to 3, characterized in that: The elastic base fabric (1) is an elastic spunbond nonwoven fabric, an elastic meltblown nonwoven fabric, an elastic spunbond meltblown composite fabric, an elastic spunlace nonwoven fabric or an elastic needle-punched nonwoven fabric, and the elastic base fabric (1) has a gram weight of 3.5 gsm to 50 gsm and a thickness of 0.05 mm to 5 mm.

6. The elastic fabric with reinforced ribs according to any one of claims 1 to 3, characterized in that: The reinforcing ribs are spandex yarns, elastic yarns or rubber bands.

7. The elastic fabric with reinforced ribs according to any one of claims 1 to 3, characterized in that: The stretch ratio of the elastic base fabric (1) is greater than 200%, the tensile strength of the elastic base fabric (1) is greater than 0.2 cN / dtex, and the longitudinal tensile modulus is greater than 10 gf / mm; the elastic base fabric (1) satisfies that when the fixed elongation is 100%, the elastic recovery rate is 50-100%; the elastic base fabric (1) satisfies that when the fixed elongation is 300%, the elastic recovery rate is 30-100%.

8. The elastic fabric with reinforced ribs according to any one of claims 1 to 3, characterized in that: The air permeability of the elastic base fabric (1) is greater than 20 cubic meters / square meters / minute, and the fiber diameter of the elastic base fabric (1) is 500nm-100μm.

9. The elastic fabric with reinforced ribs according to any one of claims 1 to 3, characterized in that: Each of the elastic threads (2) is fixedly connected to the elastic base fabric (1) by hot melt adhesive, warp knitting, hot air bonding, melt hot rolling point bonding, hydroentanglement bonding, needle punching bonding, wet strength adhesive for papermaking, impregnation adhesive for non-woven fabrics or hot melt powder adhesive.

10. An elastic product, characterized in that: The invention comprises the elastic fabric with reinforcing ribs as claimed in any one of claims 1 to 9.

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