C09J2423/04

ADHESIVE TAPE
20230174824 · 2023-06-08 · ·

The adhesive tape, in which delamination hardly occurs even when a laminate layer is thin, includes: a base material 1 of a warp-knitted fabric in which a weft yarn 11 is inserted into a loop structure formed by a multifilament warp yarn 12; a first laminate layer 2 formed on a first surface 1A of the base material 1 where one warp yarn appears on the surface of the weft yarn; a second laminate layer 3 formed on a second surface 1B of the base material 1 on which two warp yarns appear on said weft yarn surface; and an adhesive layer 6 formed on the side of the first laminate layer 2.

DEGRADABLE EVOH HIGH-BARRIER COMPOSITE FILM
20170334174 · 2017-11-23 ·

A degradable EVOH high-barrier composite film, characterized in that the materials of various layers in the composite film all obtain approximately-consistent biodegradability by introducing biomass, and the additive amount of the additive master batch in the materials of each layer is controlled within the range of 0.3-15% of the total mass of the materials of the corresponding layer; the hydrophilic activity of the hydrophilic groups in the additive master batch should be greater than or equal to that of the hydrophilic groups in the materials of each layer; by adding the additive master batch, the mole ratios of the hydrophilic groups to carbon atoms of the materials of various layers tend to be consistent, namely, the bioactivities tend to be consistent, so that the degradation rates of the materials of various layers in the composite film tend to be consistent. The present invention makes contribution to obtaining approximately-consistent bioactivities and approximately-consistent biodegradation rates by balancing the mole ratios of the hydrophilic groups to carbon atoms in the materials of various layers, and the appearance, the functions and the physical and mechanical properties of a product remain unchanged.

Adhesive resin composition, film for fluorine resin adhesion, laminate, and method for producing laminate

The present invention provides an adhesive resin composition that is used for adhesion of a fluorine-based resin and is aimed at adhesion between fluorine-based resins or between a fluorine-based resin and a material other than a fluorine-based resin. More specifically, the present invention relates to an adhesive resin composition for use in adhesion of a fluorine-based resin, the composition including a polyethylene-based resin, an elastomer component, and a component having an epoxy group and a vinyl group, wherein a content of the polyethylene-based resin is 55 parts by mass or more and 90 parts by mass or less, a content of the elastomer component is 10 parts by mass or more and 45 parts by mass or less, the elastomer component and the component having an epoxy group and a vinyl group have a common repetition unit, and a content of the component having an epoxy group and a vinyl group based on a total amount of 100 parts by mass of the polyethylene-based resin and the elastomer component is 0.1 parts by mass or more and 1.5 parts by mass or less.

SIMPLIFIED STACKED PALLET AND METHOD OF MAKING THE SAME

The inventors have discovered that certain hot melt adhesives can be used to form a stable stacked pallet that can limit the need for additional packaging materials e.g. inter-layer and pallet wrap.

NEW HOT MELT ADHESIVE FOR CONSTRUCTION OF DISPOSABLE NONWOVEN HYGIENE PRODUCT

Hot melt adhesive composition comprising: —from 30% to 55% of a composition (A) consisting of 2 copolymers of propylene and ethylene (A1) and (A2), with Mw of less than 100,000 Da, wherein: —(A1) is an essentially amorphous copolymer, with a DSC melt enthalpy of 10 less than 30 J/g; —(A2) is a semicrystalline copolymer with a DSC melt enthalpy of more than 30 J/g; and —the ratio:weight of (A2)/weight of (A1) is from 0.2 to 1.5; —from 20% to 50% of a tackifying resin (B); and 1—from 2% to 25% of a plasticizer (C) consisting of a liquid polybutene oligomer. 2) Process of manufacturing an assembly product, preferably a disposable nonwoven absorbent article, implementing said hot melt adhesive composition.

HOT MELT ADHESIVE FILM, AND PREPARATION METHOD, USE, AND ORGANOSILICON POLYMER THEREOF

A hot melt adhesive film, and a preparation method, use, and an organosilicon polymer thereof are provided. The hot melt adhesive film includes: an inner layer, which is a polyolefin elastomer (POE); outer layers, which are an ethylene-vinyl acetate (EVA) copolymer on two surfaces of the inner layer; and intermediate layers, which are an organosilicon polymer between the inner layer and the outer layers. As intermediate layers, the organosilicon polymer plays the role of connection and transition, improves a bonding force between EVA and POE layers, and improves the stability of the hot melt adhesive film during long-term use. The hot melt adhesive film can be used as a packaging material for solar panels, touch screens, and the like.

HOT MELT ADHESIVE FILM, AND PREPARATION METHOD, USE, AND ORGANOSILICON POLYMER THEREOF

A hot melt adhesive film, and a preparation method, use, and an organosilicon polymer thereof are provided. The hot melt adhesive film includes: an inner layer, which is a polyolefin elastomer (POE); outer layers, which are an ethylene-vinyl acetate (EVA) copolymer on two surfaces of the inner layer; and intermediate layers, which are an organosilicon polymer between the inner layer and the outer layers. As intermediate layers, the organosilicon polymer plays the role of connection and transition, improves a bonding force between EVA and POE layers, and improves the stability of the hot melt adhesive film during long-term use. The hot melt adhesive film can be used as a packaging material for solar panels, touch screens, and the like.

SEALING MATERIAL FOR SOLAR CELL MODULES, AND MANUFACTURING METHOD THEREOF
20170301813 · 2017-10-19 ·

Disclosed are a sealing material for solar cell modules and a manufacturing method thereof capable of endowing good transparency and heat resistance to the sealing material for solar cell modules while using a polyethylene-based resin. The disclosed sealing material for solar cell modules uses a polyethylene-based resin with a density of 0.900 g/cm3 or less, and an MFR between 0.1 g/10 min and 1.0 g/10 min. The sealing material is obtained by melt molding a resin composition containing a polyethylene-based resin with density 0.890 g/cm3 or less, and a polymerization initiator contained at 0.02 mass % or more but less than 0.5 mass % of the composition, wherein the density difference of the resin composition before and after the melt molding is within 0.05 g/cm3, and the MFR difference of the resin composition before and after the melt molding is 1.0 g/10 min or greater.

PHOTOCROSSLINKABLE TRANSPARENT ADHESIVE MATERIAL, TRANSPARENT ADHESIVE MATERIAL LAYERED BODY, AND LAYERED BODY FOR CONSTITUTING OPTICAL DEVICE
20170292046 · 2017-10-12 · ·

Provided is a novel transparent adhesive material having low relative permittivity as well as excellent adhesive characteristics, whereby an olefinic polymer resin layer and an acrylic polymer adhesive layer can be suitably integrated. Suggested is a transparent adhesive material provided with an outermost surface layer containing an acrylic polymer (B) and a photocrosslinking initiator, and an intermediate layer containing an olefinic polymer (A), a crosslinking agent, and a photocrosslinking initiator, in which the intermediate layer contains a (meth)acrylate monomer as the crosslinking agent.

Method of Adhering and Conveyor Belt
20170274580 · 2017-09-28 ·

A method for adhering together rubbers to be adhered including a rubber composition containing an ethylene-α-olefin copolymer, an organic peroxide (X1), and carbon black (Y1), using a rubber for adhesion including a rubber composition containing an ethylene-α-olefin copolymer, an organic peroxide (X2), and carbon black (Y2) at an adhesive interface, wherein contents of the organic peroxide (X1) in the rubber to be adhered and the organic peroxide (X2) in the rubber for adhesion are predetermined contents, and a content ratio (X2/X1) of the organic peroxide (X2) to the organic peroxide (X1) is from 1.20 to 2.00.