Process for the preparation of a fiber-reinforced composite material comprising the step of contacting (i) a radically curable resin, (ii) fibers with a total water content of 0.5-20 wt %, based on the total weight of fibers, (iii) at least one transition metal compound selected from manganese, iron, and copper compounds, and (iv) a peroxide.

A binder composition includes an epoxidized vegetable oil or a derivative thereof having an epoxy group content of 1 to 12 weight percent, based on the total weight of the epoxidized vegetable oil; a carboxyl-functionalized resin; and a liquid reactive diluent. A combined acid value of the carboxyl-functionalized resin and the liquid reactive diluent is 50 to 500. Uses of the binder composition, for example in composites, coatings, elastomer formulations, and adhesives are also disclosed.

Embodiments relate to a biodegradable resin composition having a high calcium carbonate content, a biodegradable polyester film, and a method for preparing same, and provide: a biodegradable resin composition which, while having a high calcium carbonate content, maintains excellent tensile strength and elongation, has excellent biodegradability and the effect of preventing soil from being acidified, and enables a reduction in production costs; a biodegradable polyester film; a biodegradable polyester sheet; and a method for preparing same.

A process for preparing a composite part, the process comprising: recovering unsaturated resin prepreg scrap; combining the recovered unsaturated resin prepreg scrap with a second resinous thermosetting component; and co-molding the prepreg scrap and resinous thermosetting component together under a pressure of 25 to 4000 psi and at a temperature of 100-400 F.

A binder composition includes an epoxidized vegetable oil or a derivative thereof having an epoxy group content of 1 to 12 weight percent, based on the total weight of the epoxidized vegetable oil; a carboxyl-functionalized resin; and a liquid reactive diluent. A combined acid value of the carboxyl-functionalized resin and the liquid reactive diluent is 50 to 500. Uses of the binder composition, for example in composites, coatings, elastomer formulations, and adhesives are also disclosed.

A decorative film with a cover film of an embodiment includes: (a) a polyurethane layer having a first surface and a second surface opposite to the first surface and containing a polyurethane that is crosslinked at least partially, wherein the polyurethane that is crosslinked at least partially includes at least one of a polyester-based polyurethane or a polycarbonate-based polyurethane: (b) a removable cover film having a corona treated or plasma treated surface, wherein the corona treated or plasma treated surface of the removable cover film is in contact with the first surface of the polyurethane layer: (c) a base layer having a first surface and a second surface opposite to the first surface, wherein the first surface of the base layer is in contact with the second surface of the polyurethane layer; and (d) an adhesive layer in contact with the second surface of the base layer.

The resin-coated metal sheet for containers includes a resin coating layer (A) having a multilayered structure mainly composed of a polyester resin on at least one surface thereof. The resin coating layer (A) includes a resin layer (a1). The resin layer (a1) adheres to the metal sheet, contains (i) a polyester resin, (ii) a phenolic resin, (iii) a metal alkoxide compound and/or a metal chelate compound, (iv) an epoxy resin, and (v) at least one selected from the group consisting of polyamine resins, polyamidoamine resins, and polyamide resins, and is mainly composed of the polyester resin. Preferably, a polyester film (a2) is disposed on the resin layer (a1).

Method for curing a radically curable resin by adding to said resin an organic peroxide and a metal-bearing polymer, said metal-bearing polymer comprising functional groups that coordinate to a metal selected from the group consisting of Cu, Mn, Fe, and V and form a complex together with said metal and a complexing agent.

A method of recycling a plastic product comprising PET is provided. The method comprises combining a plastic product comprising PET, a heterogeneous metal oxide catalyst and a solvent to provide a reaction mixture and heating the mixture by microwave irradiation to provide reaction product.

The current disclosure relates to aqueous vinyl polymer binder composition including (A) dispersed polymer particles including at least vinyl polymer A and vinyl polymer B, where vinyl polymer A has an acid value of from 26 to 110 mg KOH/g, where vinyl polymer B has an acid value of below 16.5 mg KOH/g, where M.sub.w of vinyl polymer B is higher M.sub.w of vinyl polymer A, where the vinyl polymer A and the vinyl polymer B are present in a weight ratio of from 5:95 to 95:5, where vinyl polymer A is obtained by heterogeneous radical polymerization of a monomer composition A in an aqueous phase; and where vinyl polymer B is obtained by emulsion polymerizing a monomer composition B in the presence of the vinyl polymer A; and (b) a crosslinking agent.