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US 5,852,107 AGranted
Internal mold release compositions
AssigneeImperial Chemical Industries PLC
InventorsHerbert Russell Gillis, Paul William Mackey
Life of this patent
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Abstract
An internal mold release system is provided which comprises (a) a polysiloxane compound; and (b) an amine salt of a carboxylic acid.
Claims25
A reaction system comprising:
- (1) an organic polyisocyanate;
- (2) at least one compound containing a plurality of isocyanate-reactive groups;
- and
- (3) an internal mold release system which is added to component (2), said internal mold release system comprising (a) a polysiloxane compound and (b) an amine salt of carboxylic acid.
1 more element
A reaction system comprising:
- (1) an organic polyisocyanate;
- (2) at least one compound containing a plurality of isocyanate-reactive groups;
- and
- (3) an internal mold release system which is added to component (2), said internal mold release system comprising (a) a polysiloxane compound and (b) a fatty acid ester compound.
1 more element
A process for producing molded articles comprising reacting a reaction mixture comprising:
- (1) an organic polyisocyanate;
- (2) at least one compound containing a plurality of isocyanate-reactive groups;
- and
- (3) an internal mold release system which is added to component (2), comprising (a) a polysiloxane compound and (b) an amine salt of a carboxylic acid.
1 more element
Dependencies are inferred from the claim text.