The present invention provides a resin composition comprising: (A) 100 parts by weight of epoxy resin; (B) from 10 to 80 parts by weight of benzoxazine resin; (C) from 10 to 50 parts by weight of dicyclopentadiene phenol resin; and (D) from 0.5 to 5 parts by weight of amine hardener; wherein the resin composition is free of diallyl bisphenol A (DABPA).

The invention relates to an encapsulation composition for the storage or the confinement of waste which is toxic to health and/or the environment, comprising a resin composition containing at least one epoxy resin, and a hardening composition containing at least one polyamidoamine and at least one aromatic polyamine, said encapsulation composition having an aromaticity rate which is equal to, or higher than, 35%. The invention also relates to the use of said composition for encapsulating said waste.

The invention relates to an encapsulation composition for the storage or the confinement of waste which is toxic to health and/or the environment, comprising a resin composition containing at least one epoxy resin, and a hardening composition containing at least one polyamidoamine and at least one aromatic polyamine, said encapsulation composition having an aromaticity rate which is equal to, or higher than, 35%. The invention also relates to the use of said composition for encapsulating said waste.

The present disclosure provides: an adhesive composition capable of realizing good adhesion even when neither resorcin nor formalin is included therein; and a rubber-organic fiber cord composite and a tire, which are excellent in adhesion between rubber and organic fiber cords and make a low impact on the environment. Specifically, the present invention provides an adhesive composition for an organic fiber cord, comprising therein: an epoxy compound (A); a compound (B) having an amide group and an amino group per molecule; and rubber latex (C). Further, the present disclosure provides a rubber-organic fiber cord composite, comprising a rubber member and an organic fiber cord, wherein at least a portion of the organic fiber cord is coated with the adhesive composition described above.

The present invention relates to an anticorrosive coating composition comprising an epoxy resin (a), a curing agent (b), an amide wax (c), and a liquid acrylic polymer (d) including a structural unit derived from an acrylate having an alkyl group of 4 to 18 carbon atoms. The anticorrosive coating composition of the present invention can form an anticorrosive coating film that is excellent adhesion to a metal substrate, anticorrosive properties and so on.

The present invention relates to an anticorrosive coating composition comprising an epoxy resin (a), a curing agent (b), an amide wax (c), and a liquid acrylic polymer (d) including a structural unit derived from an acrylate having an alkyl group of 4 to 18 carbon atoms. The anticorrosive coating composition of the present invention can form an anticorrosive coating film that is excellent adhesion to a metal substrate, anticorrosive properties and so on.

Disclosed is a polyurethane-modified epoxy resin composition capable of satisfying both high toughness and high elasticity. This epoxy resin composition is an epoxy resin composition, in which (A) a polyurethane-modified epoxy resin having a polycarbonate structure in the molecule and having a urethane modification rate of 20 to 60% by weight, (B) a non-polyurethane-modified epoxy resin that is liquid at 30° C., (C) a solid epoxy resin having a glass transition temperature or melting point of 50° C. or higher and (D) an amine-based curing agent that is dicyandiamide or a derivative thereof are as essential components, and 20.0 to 50.0% by weight of (A), 0.1 to 50.0% by weight of (B) and 0.1 to 50.0% by weight of (C) are contained relative to the total of (A) to (D).

Disclosed is a polyurethane-modified epoxy resin composition capable of satisfying both high toughness and high elasticity. This epoxy resin composition is an epoxy resin composition, in which (A) a polyurethane-modified epoxy resin having a polycarbonate structure in the molecule and having a urethane modification rate of 20 to 60% by weight, (B) a non-polyurethane-modified epoxy resin that is liquid at 30° C., (C) a solid epoxy resin having a glass transition temperature or melting point of 50° C. or higher and (D) an amine-based curing agent that is dicyandiamide or a derivative thereof are as essential components, and 20.0 to 50.0% by weight of (A), 0.1 to 50.0% by weight of (B) and 0.1 to 50.0% by weight of (C) are contained relative to the total of (A) to (D).

A composition including an amidoamine curing agent composition or a polyamide curing agent composition are disclosed. The composition includes the reaction products of (1) an amine component including at least one multifunctional amine of structure (I):

##STR00001##

wherein each R is independently H or CH.sub.2CH.sub.2CH.sub.2NH.sub.2; R.sub.1 is H, CH.sub.3CH.sub.2CH.sub.2N—, C1-C21 alkyl, or C1-C21 alkenyl; n is 2; and m is 1 or 2, with (2) a fatty acid or ester component selected from the group consisting of a dimer fatty acid or ester component, a monofunctional fatty acid or ester component, and combinations thereof. The amidoamine curing agent composition remains as liquid at ambient temperature.

A composition including an amidoamine curing agent composition or a polyamide curing agent composition are disclosed. The composition includes the reaction products of (1) an amine component including at least one multifunctional amine of structure (I):

##STR00001##

wherein each R is independently H or CH.sub.2CH.sub.2CH.sub.2NH.sub.2; R.sub.1 is H, CH.sub.3CH.sub.2CH.sub.2N—, C1-C21 alkyl, or C1-C21 alkenyl; n is 2; and m is 1 or 2, with (2) a fatty acid or ester component selected from the group consisting of a dimer fatty acid or ester component, a monofunctional fatty acid or ester component, and combinations thereof. The amidoamine curing agent composition remains as liquid at ambient temperature.