Stable dispersions of polyisocyanates containing polysiloxane mo

Details Stable dispersions of polyisocyanates containing polysiloxane mo Stable dispersions of polyisocyanates containing polysiloxane mo

1984-02-21

1985-02-12

Marquis, Melvyn I.

Compositions: coating or plastic

Coating or plastic compositions

Molds and mold coating compositions

264300, 264338, 528 28, 528 29, 524262, 524265, 524267, B28B 736

Patent

active

044989296

ABSTRACT:
The invention is directed to a liquid polyisocyanate dispersions containing an unreacted polysiloxane mold release agent which has isocyanate reactive groups. Specifically, the invention is directed to polyol modified diphenylmethane diisocyanates having dispersed therein a polysiloxane compound having pendant organic chains which contain at least one hydroxyl, amino or carboxyl functional group and a silicone dispersing or inhibiting agent substantially free of isocyanate reactive groups.

REFERENCES:
patent: 3993606 (1976-11-01), Bonin et al.
patent: 4024090 (1977-05-01), Bonin et al.
patent: 4457887 (1984-07-01), Porsche

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