Method for producing a polyisocyanurate composite material

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United States of America Patent

PATENT NO 11530290
APP PUB NO 20190144593A1
SERIAL NO

16098006

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Abstract

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The invention relates to a process for producing a composite polyisocyanurate material, comprising the following steps: a) providing a polyisocyanate composition A) which comprises oligomeric polyisocyanates and is low in monomeric diisocyanates, “low in monomeric diisocyanates” meaning that the polyisocyanate composition A) has a content of monomeric diisocyanates of not more than 20% by weight, and b) catalytically trimerizing the polyisocyanate composition A) in the presence of at least one fibrous filler B) and of a trimerization catalyst C) to give the composite polyisocyanurate material, where the trimerization catalyst C) comprises at least one metal salt and/or quaternary ammonium salt. The invention further relates to composite polyisocyanurate materials obtainable by the process according to the invention and to the use thereof for production of a component, and to components consisting of or comprising a composite polyisocyanurate material according to the invention.

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Patent Owner(s)

Patent OwnerAddress
COVESTRO DEUTSCHLAND AGLEVERKUSEN GERMANY LEVERKUSEN NORTH RHINE-WESTPHALIA

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Achten, Dirk Leverkusen, DE 129 293
Heinz, Paul Leverkusen, DE 26 33
Hocke, Heiko Shanghai, CN 25 130
Matner, Mathias Neuss, DE 41 151

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