Polyurethane resin composition

Details Polyurethane resin composition Polyurethane resin composition

1994-12-15

1996-08-27

Clark, W. Robinson H.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525123, 525131, C08L 7502, C08G 1850

Patent

active

055501982

ABSTRACT:
A polyurea resin composition for RIM or coating use Comprises (a) a polyoxyalkylenepolyamine, (b) an aromatic polyamine and/or a xylylenediamine and (c) a polyisocyanate compound with either one or both of components (a) and (b) having been modified by a Michael reaction with a vinyl monomer having an electron attracting group to convert the primary amino group thereof to a secondary amino group. The composition also contains as an internal mold release a polyoxyalkylene glycol mono-C.sub.4 -C.sub.1, alkyl ether and/or as a polyamine component a reaction product between a primary aromatic polyamine and a polyglycidyl ether.

REFERENCES:
patent: 4098772 (1978-07-01), Bonk et al.
patent: 5331051 (1994-07-01), Ishibashi et al.

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