C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
400/5514
C08L 27/06 (2006.01) C08G 18/70 (2006.01) C08G 18/80 (2006.01) C08K 9/04 (2006.01) C09D 7/12 (2006.01) C09D 127/06 (2006.01) D06N 3/06 (2006.01) C08L 75/00 (2006.01)
Patent
CA 1255042
STORAGE STABLE COMPOSITIONS BASED ON POLYVINYL CHLORIDE PLASTISOLS AND STABILIZED ISOCYANATES ABSTRACT OF THE DISCLOSURE The invention relates to novel compositions for coating purposes comprising (A) polyvinyl plastisols, (B) surface modified, finely divided, stabilized polyisocyanates with retarded reactivity, in which 0.1 to 25 equivalents-% of the isocyanate groups of the unstabilized polyisocyanate have been deactivated on the surface, preferably by a reaction with polyamines, hydrazine, alkylhydrazines, polyhydrazide compounds and/or selected amidine and/or guanidine compounds; and (C) plasticizers and/or lightly branched, relatively high molecular weight polyhydroxyl compounds having melting points below 60°C and compatible with PVC plastisol. The invention also relates to the use of these storage stable but heat curable mixtures as primer for PVC coatings on plastics, foils, textile sheet products or filaments and as primer coats for flocking.
472920
Aktiengesellschaft Bayer
Grogler Gerhard
Hess Heinrich
Kopp Richard
Aktiengesellschaft Bayer
Grogler Gerhard
Hess Heinrich
Kopp Richard
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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