Evonik Operations Gmbh

Blue Cube IP LLC

Qiubai Peng

Wei Du

Yanli Feng

Liyin Zhou

Zhidong Sheng

The present disclosure relates to a curing composition comprising: a) a condensation product of at least one carboxylic acid having 20-60 carbon atoms and at least two carboxyl groups and/or at least one ester derived from a carboxylic acid having 20-60 carbon atoms and at least two carboxyl groups; and at least one polyoxyalkyleneamine, wherein the polyoxyalkyleneamine includes: I) at least two oxyalkylene moieties; and II) at least two primary amino groups; and b) at least one amine having at least one amino group. Also provided are an adhesive composition comprising the curing composition, usage of the adhesive, a turbine blade for wind energy comprising the adhesive composition, and a method for manufacturing the curing composition.

Curing composition

A vinyl ester resin composition comprising a reaction product of: (a) a polyepoxide resin; (b) an unsaturated carboxylic acid; and (c) a reactive carboxyl group terminated amphiphilic block copolymer, a reactive epoxy group terminated amphiphilic block copolymer, or a mixture thereof; and a cured thermoset composite product produced from the above vinyl ester resin composition.

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Shanghai, China

Qiubai Peng