Stable dispersions of polyisocyanates containing...

C - Chemistry – Metallurgy – 08 – L

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C08L 83/04 (2006.01) B29C 33/64 (2006.01) C08G 18/28 (2006.01) C08G 18/61 (2006.01) B29C 67/24 (2006.01)

Patent

CA 1216382

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.

451761

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