Cross-linkage surface-modifed micaceous particulates and coating

Details Cross-linkage surface-modifed micaceous particulates and coating Cross-linkage surface-modifed micaceous particulates and coating

1991-02-11

1993-10-26

Michl, Paul R.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

523216, 524437, 524449, 556419, 556420, C08K 906

Patent

active

052567060

ABSTRACT:
Compounds useful for improving the intra-film binding of micaceous particulates in films formed from coating compositions which contain such micaceous particulates comprise urethanes or ureas which are the reaction products of silylalkyl- or silylaryl isocyanates with blocked or unblocked alcohols, aminoalcohols, or polydiol alcohols. The compounds may also be the reaction products of silylalkyl- or silylarylamines with half-blocked diisocyanates which are themselves the reaction products of a diisocyanate with a blocked or unblocked alcohol, aminoalcohol, or polydiol alcohol.
Micaceous particulates which have been surface modified by reaction with these compounds, as well as coating compositions comprising such surface-modified micaceous particulates, and coated substrates are also disclosed.

REFERENCES:
patent: 4591652 (1986-05-01), DePasquale et al.
patent: 4670421 (1987-06-01), DeVries et al.
patent: 4714770 (1987-12-01), Hsu et al.

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