338results about "Adhesive articles" patented technology

A substrate-conveying support tape includes: a support film; a primer layer provided on the support film; and a temporary fixing material layer provided on the primer layer, in which the support film is a polyimide film, the temporary fixing material layer contains a thermoplastic resin, and the primer layer contains at least one selected from the group consisting of a silane coupling agent having an epoxy group or a ureido group, an epoxy resin, a polyurethane rubber, and an acrylic rubber having an acid value of 5 mgKOH / g or more.

Absorbent structures and methods of manufacture are disclosed. In one embodiment, a method of manufacturing may comprise, directing a stream of particles toward a layer, spraying the stream with a first adhesive, the first adhesive contacting the stream at a first contact point, spraying the stream with a second adhesive, the second adhesive contacting the stream at a second contact point, the first contact point being different from the second contact point, depositing the intermixed particles, first adhesive, and second adhesive onto the layer, and covering the mixture of the particles, the first adhesive, and the second adhesive with a second layer.

A UV-tackifiable adhesive tape and a preparation method therefor. The UV-tackifiable adhesive tape comprises a substrate layer, a UV-tackifiable adhesive layer and a release film layer, wherein the substrate layer, the UV-tackifiable adhesive layer and the release film layer are sequentially laminated from bottom to top; and the UV-tackifiable adhesive layer comprises a modified polyester resin, a monofunctional UV photocuring monomer, a polyfunctional photocuring compound, a curing agent, a photoinitiator and a stabilizer. The UV-tackifiable adhesive layer comprises the modified polyester resin as a basic polymer, and the polyester resin can effectively improve the adhesion between the adhesive layer and a substrate before UV curing of the UV-tackifiable adhesive layer, improve the bonding strength between the UV-tackifiable adhesive layer having been UV-cured and an adhered object, and also enhance the high-temperature release force and weather resistance of the UV-tackifiable adhesive layer having been UV-cured.

Article comprising, in order: a first polymeric film having first and second, opposed major surfaces; a first primer layer having first and second opposed, major surfaces on the first major surface of the first polymeric film, wherein for a distance of at least 25 nm starting from the first major surface of the first 5 primer layer toward the second major surface of the first primer layer there is an average Si content, on a theoretical elemental basis, not greater than 15 atomic percent; and a first release layer having first and second opposed, major surfaces, wherein the second major surface of the first release layer is in direct contact with the first major surface of the first primer layer, wherein the first release layer comprises, on a theoretical elemental basis, Si. Articles described herein are useful, for example, as a release liner for 10 casting pressure sensitive adhesives thereon.

Provided is a foam sheet which has a tensile strength of 1-9 MPa, a breaking strength of 3.5 MPa or less when an interlayer strength measurement is performed, does not break when the interlayer strength measurement is performed, and has a thickness of 0.05-0.9 mm as a whole.

The present disclosure relates to methods for assembling elastomeric laminates, wherein elastic material may be stretched and joined with either or both first and second substrates. First spools are rotated to unwind first elastic strands from a first unwinder in a machine direction. The first elastic strands are positioned between the first substrate and the second substrate to form an elastomeric laminate. Before the first elastic strands are completely unwound from the rotating first spools, second spools are rotated to unwind second elastic strands from a second unwinder. Subsequently, the advancement of the first elastic strands from the first unwinder is discontinued. Thus, the elastomeric laminate assembly process may continue uninterrupted while switching from an initially utilized elastic material drawn from the first spools to a subsequently utilized elastic material drawn from the second spools.

A polyolefin bonding adhesive film includes a support base layer and a bonding adhesive layer formed on a side surface of the support base layer by co-extrusion. The support base layer is a polypropylene film. The bonding adhesive layer is formed of a first polyolefin copolymer modified by maleic anhydride. The first polyolefin copolymer is formed by copolymerization of at least two kinds of C2 to C4 olefin molecules, a first graft ratio of the maleic anhydride grafted onto the first polyolefin copolymer is between 0.5% and 5%, and a first melt index of the first polyolefin copolymer is between 3 g / 10 min and 5 g / 10 min.

A vehicle is wrapped by an adhesive film which is then slit by applying first tape to the vehicle having a longitudinally extending filament carried by the tape at a position spaced from the side edges. A second tape is applied over the film at the first tape body so as to bridge to each side of the filament and pulling the filament so as to tear through the film and the first ad second tapes body with the second tape applying a force to the film acting to reduce tendency of the film to pull away from the object during the cutting by the filament as the filament is pulled.

Provided is a curing reactive organopolysiloxane composition that forms a pressure-sensitive adhesive layer having excellent curing properties, a wide range of designable viscoelastic properties such as storage elastic modulus (G′) and the like, and practically sufficient pressure-sensitive adhesive strength and tensile adhesive strength. The organopolysiloxane composition comprises: (A) an organopolysiloxane having an alkenyl group; (B) an organopolysiloxane resin with 9 mol % or less of hydroxyl groups or the like relative to all silicon atoms in a molecule or resin mixture thereof; (C) an organohydrogenpolysiloxane; (D) an organic silicon compound having an alkenyl group; and (E) a hydrosilylation reaction catalyst. A ratio (molar ratio) of the substance amount of SiH groups in component (C) relative to the sum of alkenyl groups in components (A), (B) and (D) is 1.0 or more.

To provide a disposable absorbent article and an absorbent core composite or construction for incorporation therewith, components therefor or thereof, and systems, apparatus and methods of making the same.SOLUTION: Improved absorbent core components include multiple layers configured to enhance fluid handling properties. The layers include absorbent material layers, with or without absorbent material-free lanes. The layers also include nonwoven layers, including air-through nonwovens, bulkified nonwovens, slitted nonwovens, and bulky nonwovens.SELECTED DRAWING: Figure 23

A disposable absorbent article (100, 200) comprising: a front waist region (116), a back waist region (118), and a crotch region (119) disposed between the front and back waist regions (116, 118); a longitudinal axis (124) and a lateral axis (126); a front waist edge (120), a back waist edge (122), a first side edge (128) extending longitudinally and a second side edge (130) extending longitudinally; a chassis (102, 202) comprising a top sheet (138), a backsheet (136), and an absorbent core (140) disposed between the topsheet and the backsheet; a waist gasketing element (158) joined to the chassis and comprising a first nonwoven (516), an elastic film (520) and a plurality of ultrasonic bonds (575); wherein the absorbent article comprises a Waistband Breathability of at least 200 g / m2 / 24hrs, wherein Waistband Breathability is measured according to the WTVR test as disclosed herein.

The present invention discloses a nursing pad with a gradient absorption structure and a composite process thereof, relating to the field of nursing pads. The nursing pad comprises: a flow-guiding surface layer, an absorption layer, a water-locking support layer, a microchannel layer, and a PE film bottom layer, which are composited in sequence from top to bottom; the absorption layer comprises low-crosslinked SAP and fluff pulp, and has a thickness of 3-4 mm; the water-locking support layer comprises high-crosslinked SAP, PVA fiber, and hot-melt adhesive powder, and has a thickness of 2-3 mm; the density of the absorption layer is 0.1-0.15 g / cm 3 The density of the water-locking support layer is 0.3-0.4 g / cm 3 , used to form a density gradient structure from the absorbent layer to the water-locking support layer. By building on the rapid water absorption properties of the low-crosslinked SAP in the absorbent layer, combined with the highly crosslinked SAP and the rigid network of PVA fibers in the water-locking support layer, a gradient density structure of soft core and hard shell is formed. This avoids the uneven thickness problem caused by the disordered accumulation of SAP in traditional homogeneous structures, thereby further improving the fit of the nursing pad to the skin and reducing the risk of pressure sores caused by localized pressure concentration.

Provided is a laminate and a hot melt-type adhesive label that suppress curling due to swelling while having a pulp-paper feel. The laminate includes a porous substrate layer and an adhesive resin receiving layer on one side of the porous substrate layer, and the adhesive resin receiving layer contains an amorphous resin.

The present application discloses an anti-blue light OCA optical composition for screen and a preparation method thereof, comprising an OCA adhesive body. The OCA adhesive body comprises a first release film, an OCA hybrid blue light barrier film, an optical PET substrate, a silicone film, and a second release film. The first release film comprises the following components by weight: 25-35 parts of nano cobalt oxide.

A tube securing device is provided that includes an upper clamp having an upper surface and a lower surface; a lower clamp having an upper surface and a lower surface; and a hinge located between the upper clamp and the lower clamp to define a tube insertion region. Further, a ratio of a length of the upper surface of the upper clamp to a length of the lower surface of the lower clamp ranges from about 0.95 to about 1.20. Without intending to be limited by any particular theory, the present inventors have found that such a ratio allows for the tube securing device to accommodate various tube sizes without restricting the flow of fluids while at the same time ensuring that the tubes do not become dislodged.

The invention relates to a plastic film (10) composed of at least one layer (2, 3). The at least one layer (2) is essentially composed of ethylene vinyl acetate (EVA), the ethylene vinyl acetate (EVA) having a proportion of vinyl acetate (VA) of at least 15 wt.%, to ensure a water vapor diffusion-equivalent air layer thickness (sd value) of less than 15 m. The at least one layer (2, 3) has a proportion of at least 5 wt.% of a functional thermoplastic.

A pesticide strip, pesticide kit, and methods of use thereof are described according to various implementations. The pesticide strip may include at least a first side and a second side, wherein at least one of the first side or the second side further comprises an adhesive. The strip further may include a plurality of pesticides each targeting different pests arranged separately along a longitudinal axis and housed in refillable wells on the pesticide strip. The pesticide kit further includes an applicator and rolling mechanism for application and reuse of the strip. Methods of using the strip include applying it to any two- or three-dimensional geometry, including areas typically precluded from pesticide use.

The application discloses a soft and dry double-layer composite material, which comprises a bottom layer and a surface layer arranged on the upper portion of the bottom layer, wherein the surface layer has an upper surface and a lower surface, the surface layer is provided with an opening penetrating through the surface layer, the bottom layer is provided with a first protruding portion protruding upward, the first protruding portion penetrates through the opening, the top surface of the first protruding portion is higher than the plane where the upper surface of the surface layer is located, and the fiber fineness of the bottom layer is smaller than that of the surface layer. The application can provide a good soft and comfortable experience for users and improve the dryness of the material.

The invention discloses a paper diaper with a reinforced bottom film non-woven fabric structure and a preparation method of the paper diaper, and belongs to the technical field of life hygienic products. The preparation method comprises the steps that a bottom layer base material is prepared and pressed to form concave-convex lines, and reinforced bottom layer non-woven fabric is obtained after cooling; the surface layer and the mixed core body are compounded to obtain an absorption core body, and then the absorption core body and the breathable leakage-proof film layer are laminated to obtain a composite body; by identifying the concave parts and the convex parts of the concave-convex lines, different glue amounts are respectively coated, and the reinforced bottom layer non-woven fabric and the composite body are compounded into a main body composite layer by adopting segmented gradient pressing; and finally, mounting a guard, a waistline and hook-and-loop fasteners, cutting and thermally sealing edges to obtain a finished product. The paper diaper structurally comprises a reinforcing bottom film layer with periodical concave-convex lines, different glue amounts are distributed on the concave portions and the convex portions of the reinforcing bottom film layer, a breathable leakage-proof film and an absorption core layer are combined, the tear resistance of the bottom film is enhanced, and meanwhile breathability and wearing comfort are effectively considered.

An underpants-type disposable diaper wherein the end portions of elastic members are kept from being drawn in, and the bonding strength in side sealed portions is kept from deteriorating, has outer member 20 defining front and back body sections F, B, wherein side portions of the outer member 20 in the front and back body sections F, B are joined to form side sealed portions 21, which produce a waist opening and a pair of leg openings, the front and / or back body sections F, B is provided with a tortuous elastic member 26, 28 extending with curvature from one to the other of the side sealed portions, and bonded thereto with adhesive, and the amount of adhesive applied to a zone neighboring the inner zone of each side sealed portion 21 is larger than that applied to the outer zone of each side sealed portion 21.

A medical dressing to treat sucking chest wound, and methods of forming the medical dressing. The methods include the steps of overlaying a cover layer on an intermediate layer and the intermediate layer on a base layer such that openings in the intermediate and base layers are aligned and the cover layer overlays the openings; fusing together the cover layer, the intermediate layer and the base layer by applying an annular welding tool face to at least one of the cover layer and base layer and applying welding energy to the template; and applying an adhesive layer on a side the base layer opposite to the intermediate layer, wherein the adhesive layer extends entirely around the opening.

The present disclosure provides a film. In one embodiment, the film includes a core structure having a first side and an opposite second side. The core structure includes a release layer. The release layer is on the first side and is comprised of an ethylene-based polymer. An adhesive layer is on the second side of the core structure. The adhesive layer contains an acrylic polymer. The film has an adhesion at 100% stretch of from 300 g to 1100 g.

A label for matrix tube may have a facestock configured to have data on a first surface thereof. An adhesive layer may be on a second surface of the facestock. The facestock may define an cover label portion, a main label portion and a neck portion between the cover label portion and the main label portion, the neck portion being narrower than the cover label portion and the main label portion. A method for applying a label onto a matrix tube may also be provided.

To provide a resin sheet capable of suppressing warpage when forming a resin composition layer and enabling highly accurate foreign matter inspection of the resin composition layer using an automated optical appearance inspection device (AOI).SOLUTION: There is provided a resin sheet comprising a first film, a resin composition layer, and a second film or a glass plate, wherein the resin composition layer is located between the first film and the second film or between the first film and the glass plate, the first film comprises a monolayer plastic film as a substrate, a barrier layer formed on a surface of the plastic film, and a release layer formed on a surface of the barrier layer not in contact with the plastic film or on a surface of the plastic film not having the barrier layer, the first film is transparent, and the glass plate does not have the release layer.SELECTED DRAWING: None

The invention provides a technical method for measuring the glue amount of hygienic products. The hygienic products comprise waistline glue and core glue. The waistline glue comprises a first waistline wrapping and folding glue, a second waistline wrapping and folding glue, an S rubber band glue, a first waistline compounding glue, a second waistline compounding glue, a color picture pasting glue, a first waistline rubber band glue and a second waistline rubber band glue; the glue for the core body comprises a cotton core small coating glue amount, a urine showing glue amount, a first edge sealing glue amount, a second edge sealing glue amount, a first end sealing glue amount, a second end sealing glue amount, a surface layer glue amount, a first three-dimensional enclosure glue amount, a second three-dimensional enclosure glue amount, a first line glue amount, a second line glue amount, a first enclosure reverse folding glue amount and a second enclosure reverse folding glue amount; and the sum of the fixed glue amount and the bottom film glue amount is filled.

A pressure-sensitive adhesive includes a polyoxyalkylene polymer having no fluorinated carbon atoms and an acrylic copolymer. The acrylic copolymer includes at least 60 weight percent of linear or branched alkyl (meth)acrylate monomer units, based on the weight of the acrylic copolymer, and from 12.5 weight percent to 40 weight percent of (meth)acrylic acid monomer units, based on the weight of the acrylic copolymer. An article includes the pressure-sensitive adhesive disposed on a backing. The article can be water vapor permeable. A process for making the pressure-sensitive adhesive is also disclosed.

Provided is a polyester film that is excellent in stiffness and transparency, and that is suitable for producing molded articles, labels, optical films, and the like. A biaxially stretched polyester film comprises a polyester resin (I) comprising terephthalic acid and ethylene glycol as main constituent components, the polyester resin (I) having a recrystallization temperature obtained by DSC of 160° C. or more and 193° C. or less, the polyester resin (I) being contained in an amount of 60 mass % or more based on 100 mass % of the entire film, the film having a tensile modulus of elasticity of 3200 MPa or more both in a longitudinal direction and a width direction, and the total tensile modulus of elasticity in the longitudinal direction and the width direction being 7000 MPa or more.

A packaging bag that makes it easy to take out each patch one by one. [Solution] One example of a packaging bag comprises a bag body for storing a plurality of folded patches, a dispensing opening formed in the bag body, and a flap label that covers the dispensing opening so that the dispensing opening can be opened and closed. When a first length of the dispensing opening along a first direction is La, a first length of the folded patch along the first direction is Lp, a second length of the dispensing opening along a second direction perpendicular to the first direction and shorter than the first length is Lb, and a second length of the folded patch along the second direction is Lq, the dispensing opening is formed so that Lp / La is 1.5 to 2.5 and Lq / Lb is 1.8 to 2.8.

A method for the manufacture of an absorbent core and / or article comprising the steps of: (i) providing a first, preferably substantially continuous, nonwoven web having a first void volume; (ii) selectively applying heat to said first nonwoven web such that a deposition area of said first nonwoven web increases its void volume to a second void volume that is greater than said first void volume; (iii) depositing absorbent material comprising, preferably consisting of, superabsorbent particles onto the deposition area of said first nonwoven web; (iv) passively or actively cooling the deposition area of said first nonwoven web so that the void volume reduces to substantially the first void volume; (v) optionally combining the first nonwoven web with second and third nonwoven webs such that said first nonwoven web is interposed between said second and third nonwoven webs preferably by joining said webs by mechanical bonding selected from hot pressing and / or ultrasonic bonding; wherein the first nonwoven web consists of a high loft fibrous nonwoven layer that is free of cellulose fibers; said high loft fibrous nonwoven layer comprising, preferably consisting of, a carded air-through bonded nonwoven or dryiaid thermobonded nonwoven.