An adhesive composition, which exhibits excellent adhesion to base films made from polyimide resins and the like or copper foils, as well as superior electrical properties, and a laminate having an adhesive layer, which is low in warpage when the adhesive layer is in the B stage, and which is excellent in storage stability of the laminate, are provided. The adhesive composition includes a modified polyolefin-based resin and an epoxy resin, in which the modified polyolefin-based resin is a resin resulting from graft-modification of an unmodified olefin resin with a modifying agent containing an α,β-unsaturated carboxylic acid or derivative thereof, wherein the content of the modified polyolefin-based resin is 50 parts by mass or more relative to 100 parts by mass of the solid content of the adhesive composition; the content of the epoxy resin is from 1 to 20 parts by mass relative to 100 parts by mass of the modified polyolefin-based resin; and the dielectric constant of a cured body of the adhesive is less than 2.5 as measured at a frequency of 1 GHz.

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.

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.

Provided are an adhesive resin composition having high adhesiveness and high strength in acid resistance, and a laminate including the same. Provided is an adhesive resin composition including an acid-modified polyolefin resin component (A) having a weight average molecular weight of 30,000 or more and 150,000 or less, a resin component (B) having an epoxy group in a molecule, a resin component (C) having an amino group at a molecular end, and a solvent (S), in which a content of the resin component (B) is 1 part by mass or more and 30 parts by mass or less based on 100 parts by mass of the acid-modified polyolefin resin component (A), and a content of the resin component (C) is 0.5 parts by mass or more and 15 parts by mass or less based on 100 parts by mass of the acid-modified polyolefin resin component (A).

Provided are an adhesive resin composition having high adhesiveness and high strength in acid resistance, and a laminate including the same. Provided is an adhesive resin composition including an acid-modified polyolefin resin component (A) having a weight average molecular weight of 30,000 or more and 150,000 or less, a resin component (B) having an epoxy group in a molecule, a resin component (C) having an amino group at a molecular end, and a solvent (S), in which a content of the resin component (B) is 1 part by mass or more and 30 parts by mass or less based on 100 parts by mass of the acid-modified polyolefin resin component (A), and a content of the resin component (C) is 0.5 parts by mass or more and 15 parts by mass or less based on 100 parts by mass of the acid-modified polyolefin resin component (A).

A method for bonding a fabric to a polyolefin elastomer. The method comprises applying to the fabric: (a) from 10 to 90 wt % of an aqueous dispersion of a thermoplastic polymer; and (b) from 90 to 10 wt % of an aqueous dispersion of a rosin, wherein percentages are based on total dry weight of thermoplastic polymer and rosin.

A method for bonding a fabric to a polyolefin elastomer. The method comprises applying to the fabric: (a) from 10 to 90 wt % of an aqueous dispersion of a thermoplastic polymer; and (b) from 90 to 10 wt % of an aqueous dispersion of a rosin, wherein percentages are based on total dry weight of thermoplastic polymer and rosin.

A modified ethylene polymer having high fuel barrier property and excellent adhesion and mechanical strength, and also uses thereof are provided. The modified ethylene polymer, in which at least part of the ethylene polymer is graft-modified with an unsaturated carboxylic acid or a derivative thereof, has a graft modification of 0.15% by weight to 0.40% by weight, and has an elution amount at 80° C. or lower as determined by cross-fractionation chromatography that is not more than 10% by weight.

The present invention provides a self-emulsification type emulsion exhibiting excellent adhesion to olefin-based base materials such as polyethylene and polypropylene without using an emulsifier. The self-emulsification type emulsion of the present invention comprises a tackifier and a modified polypropylene resin having an anionic functional group, and satisfies (1) and (2) given below:

(1) the modified polypropylene resin having an anionic functional group is dispersed in water in the absence of an emulsifier, and
(2) a dispersion particle comprising the modified polypropylene resin having an anionic functional group surrounds the tackifier.

The present invention provides a self-emulsification type emulsion exhibiting excellent adhesion to olefin-based base materials such as polyethylene and polypropylene without using an emulsifier. The self-emulsification type emulsion of the present invention comprises a tackifier and a modified polypropylene resin having an anionic functional group, and satisfies (1) and (2) given below:

(1) the modified polypropylene resin having an anionic functional group is dispersed in water in the absence of an emulsifier, and
(2) a dispersion particle comprising the modified polypropylene resin having an anionic functional group surrounds the tackifier.