The present invention is directed to a two component (2K) composition comprising: (A) a first component comprising: a) at least one elastomer modified epoxy resin; b) at least one internally flexibilized epoxy resin which is characterized by a Shore D hardness, as measured with a durometer in accordance with ASTM D2240, of ≤45 when cured with diethylene triamine; c) at least one chelate modified epoxy resin; and d) optionally at least one epoxy resin different from said resins a) to c); and, (B) a second component comprising: e) a curative which consists of at least one compound possessing at least two epoxide reactive groups per molecule, said curative being characterized by comprising at least one Mannich base.

The present invention is directed to a two component (2K) composition comprising: (A) a first component comprising: a) at least one elastomer modified epoxy resin; b) at least one internally flexibilized epoxy resin which is characterized by a Shore D hardness, as measured with a durometer in accordance with ASTM D2240, of ≤45 when cured with diethylene triamine; c) at least one chelate modified epoxy resin; and d) optionally at least one epoxy resin different from said resins a) to c); and, (B) a second component comprising: e) a curative which consists of at least one compound possessing at least two epoxide reactive groups per molecule, said curative being characterized by comprising at least one Mannich base.

There is provided herein thermoset porous polymer composites a methods for producing such composites. The method comprises: preparing a mixture comprising a resin, optionally a curing agent, and dry ice; optionally casting the mixture; curing the mixture to obtain the porous composite; and optionally controlling at least one of a reaction rate and an expansion rate of the mixture during the curing.

There is provided herein thermoset porous polymer composites a methods for producing such composites. The method comprises: preparing a mixture comprising a resin, optionally a curing agent, and dry ice; optionally casting the mixture; curing the mixture to obtain the porous composite; and optionally controlling at least one of a reaction rate and an expansion rate of the mixture during the curing.

A flame retardant epoxy resin composition for preparing a flame retardant fiber composite including: (a) at least one epoxy resin; (b) at least one flame retardant agent for improving the flammability performance of carbon fiber-reinforced epoxy composites; (c) at least one mold release agent; (d) at least one curing agent; and (e) at least one catalyst; a prepreg prepared using the above epoxy resin composition; and a flame retardant fiber composite prepared using the above prepreg.

A flame retardant epoxy resin composition for preparing a flame retardant fiber composite including: (a) at least one epoxy resin; (b) at least one flame retardant agent for improving the flammability performance of carbon fiber-reinforced epoxy composites; (c) at least one mold release agent; (d) at least one curing agent; and (e) at least one catalyst; a prepreg prepared using the above epoxy resin composition; and a flame retardant fiber composite prepared using the above prepreg.

Provided is a liner for a pressure vessel, the liner being constituted from a fiber-reinforced composite material containing a cured product of a thermosetting resin or a thermosetting resin composition, and continuous reinforcing fibers. Also provided is a high-pressure gas storage tank provided with the liner.

Provided is a liner for a pressure vessel, the liner being constituted from a fiber-reinforced composite material containing a cured product of a thermosetting resin or a thermosetting resin composition, and continuous reinforcing fibers. Also provided is a high-pressure gas storage tank provided with the liner.

An adhesive composition comprising an epoxy compound and a compound comprising at least one aminimide functional group is disclosed. The compound comprising the at least one aminimide functional group is present in an amount from 2-8% by weight based on total weight of the adhesive composition and reacts with the epoxy compound upon activation by an external energy source. The adhesive composition also may comprise an amidine salt.

An adhesive composition comprising an epoxy compound and a compound comprising at least one aminimide functional group is disclosed. The compound comprising the at least one aminimide functional group is present in an amount from 2-8% by weight based on total weight of the adhesive composition and reacts with the epoxy compound upon activation by an external energy source. The adhesive composition also may comprise an amidine salt.