C09J2203/354

Method of applying an adhesive film to a component and tool suitable therefor
11648763 · 2023-05-16 ·

A method of applying an adhesive film to a component includes applying an adhesive film to a surface of a component, wherein the adhesive film is positioned between the surface and an elastic membrane, the elastic membrane is transferred into a curved state with a convex and a concave side and contacted with the surface with the convex side first such that an adhesive layer of the adhesive film is pressed onto the surface in a full-area by the elastic membrane, the adhesive layer is pressed onto the surface in a full-area by a negative pressure being applied to that side of the elastic membrane facing towards the adhesive film, and to stabilize the component against deformation brought about by this negative pressure, the elastic membrane along with the adhesive film is pushed against the surface of the component with a plunger means.

(Meth)acrylate adhesive composition

The present disclosure relates to a (meth)acrylate adhesive composition comprising a (meth)acrylated polymer, a crosslinking agent and a silane copolymer, wherein the silane copolymer comprises 70 to 95 weight parts of an acrylate monomer containing C.sub.1-C.sub.4 alkyl group and 5 to 30 weight parts of a silane represented by the following formula (I):
X—R.sup.1—SiR.sup.2.sub.3-a(OR.sup.3).sub.a  (I)
wherein the weight-average molecular weight of the silane copolymer is ranging from 40,000 to 150,000. The silane copolymer can enhance the initial adhesion strength, rework ability and weather resistance of the (meth)acrylate adhesive composition. Furthermore, the (meth)acrylate adhesive composition can be used in the flexible optical film with a good bending restoring property and adhesion.

Adhesive tape, method for fixing electronic device component or on-board device component, and method for producing electronic device or on-board device

The present invention aims to provide an adhesive tape that is easily peelable while capable of maintaining high adhesion at high temperature. The present invention also aims to provide a method for fixing an electronic device component or an in-vehicle device component using the adhesive tape and a method for producing an electronic device or an in-vehicle device. Provided is an adhesive tape including an adhesive layer containing: an acrylic copolymer; and 0.01 parts by weight or more and 10 parts by weight or less of a compound having a structure represented by the following formula (A) or (B) relative to 100 parts by weight of the acrylic copolymer: ##STR00001##

Bonding film, and light-transmitting laminate including same
11548262 · 2023-01-10 · ·

Embodiment relates to film for bonding, and a light-transmitting laminate including the same and the like, a film for bonding comprising an embossed surface, wherein the embossed surface has an A2/A1 value of 1 or less are disclosed. A film for bonding have improved in deairing stability during formation of a light transmitting laminate, an edge sealing characteristic, and the like by controlling characteristics of a embossed surface.

Decorative film
11414571 · 2022-08-16 · ·

The object of the present invention is to provide a decorative film excellent in moldability and tensile strength; and a method for producing a three-dimensionally molded article with a decorative film. The decorative film of the present invention is used for decorating a three-dimensionally molded article. It is a decorative film comprising at least a substrate film layer and a clear layer, wherein the clear layer is made of a fluorinated polymer comprising units based on a fluoroolefin, units based on a monomer having no crosslinkable group, which is at least one member selected from the group consisting of a vinyl ether, a vinyl ester, an allyl ether, an allyl ester and a (meth)acrylic acid ester, and units having a crosslinkable group; and the content of the units based on a fluoroolefin is from 20 to 70 mol % to all units which the fluorinated polymer comprises.

Bilayer Reinforcement Structures
20220220349 · 2022-07-14 ·

A multi-layer composition to be located onto a substrate. The composition comprises a bi-layer construction, including a first layer and a second layer, the first layer having a high elastic modulus and tensile strength in comparison to the second layer. The second layer includes a blowing agent such that, when cured, the first layer is spaced away from the substrate. The compositions of the first layer and second layer are similar, thus enabling the reconstitution of scrap into usable material for forming another multi-layer reinforcement.

Multilayer film for use in air bag and air bag

The present disclosure is directed to provide a multilayer film for use in an air bag, which provides sufficient adhesiveness and blocking tendency in a well-balanced manner. The multilayer film for use in an air bag according to the present disclosure includes an adhesive layer and an outer layer. The adhesive layer includes a resin having a glass transition temperature from 0° C. to 80° C. and a melting point from 100° C. to 160° C. The outer layer includes a resin having a melting point higher than the melting point of the resin included in the adhesive layer by 20° C. or higher. Further, an air bag according to the present disclosure includes a synthetic fiber fabric and the aforementioned multilayer film for use in an air bag, in which the adhesive layer in multilayer film is laminated with the synthetic fiber fabric.

Color wrapping film for vehicle
11447664 · 2022-09-20 · ·

The present disclosure relates to a color wrapping film for a vehicle, which has an excellent impact resistance and excellent scratch restorability due to a base layer and a coating layer formed of a polyurethane-based material, and suppresses discoloration caused by an external environment by adding a color pigment to a separate layer.

METHOD FOR ENHANCING BONDING SURFACE OF DIFFICULT TO BOND PLASTICS

A method of bonding includes providing a thermoplastic substrate having a surface with a surface energy value of less than a 48 miliJoules per meter squared. The surface is exposed to particulate formed in a combustion flame from a precursor. The particulate forms an adherent layer of metal oxide on the surface. An adhesive is applied to the adherent layer. A second substance is placed in in simultaneous contact with the adhesive to bond the thermoplastic. A laminate is provided that includes a thermoplastic substrate having a surface. An adherent layer of metal oxide is on a surface of the thermoplastic substrate. An adhesive is attached to the adherent layer. A second substance is in simultaneous contact with the adhesive.

Resin foam, resin foam sheet, adhesive tape, vehicle member, and building member

The present invention aims to provide a flexible resin foam having excellent shapeability and a resin foam sheet, an adhesive tape, a member for a vehicle, and a member for a building each including the resin foam. Provided is a resin foam having a multitude of cells, the resin foam including: a polyvinyl acetal; and a plasticizer, the resin foam having an elongation strain of 300% or more and a 50% compression stress of 70 kPa or less.