Composite semifinished products, molded parts produced therefrom, and molded parts produced directly based on hydroxy-functionalized (meth)acrylates, which are cross-linked by means of uretdiones in a thermosetting manner

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United States of America Patent

PATENT NO 9878500
SERIAL NO

13978059

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Abstract

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Provided is a prepreg composed of a fibrous substrate impregnated with a reactive or highly reactive polymer composition as a matrix material. The reactive or highly reactive polymer composition contains a (meth)acrylate-based resin comprising at least one of a hydroxyl group, an amine group, a thiol group, an initiator and/or accelerator, and a di- or polyisocyanate which has been internally capped, capped with a capping agent, or a combination thereof. The (meth)acrylate-based resin contains from 20% by weight to 70% by weight of at least one (meth)acrylate monomer and from 1% by weight to 50% by weight of at least one prepolymer.

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Patent Owner(s)

Patent OwnerAddress
EVONIK DEGUSSA GMBHESSEN ESSEN NORTH RHINE-WESTPHALIA

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Gollan, Elke Herne, DE 10 48
Heeb, Heike Erlensee, DE 14 69
Kohlstruk, Stephan Duelmen, DE 59 522
Reemers, Sandra Muenster, DE 14 106
Schmidt, Friedrich Georg Haltern am See, DE 54 740
Schmitt, Guenter Darmstadt, DE 29 333
Spyrou, Emmanouil Schermbeck, DE 115 994

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