Aminoplast curable coating compositions containing sulfonic acid

Details Aminoplast curable coating compositions containing sulfonic acid Aminoplast curable coating compositions containing sulfonic acid

1982-09-29

1984-10-16

Michl, Paul R.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524158, 525351, 525353, C08F 836

Patent

active

044776187

ABSTRACT:
A high solids, organic solvent based, sprayable coating composition which is capable of acid catalyzed crosslinking is composed of an active hydrogen-containing resin, a curing agent present externally and/or internally as a part of the active hydrogen-containing resin, and a catalytic amount of a non-ionic ester of a sulfonic acid. The sulfonic acid ester is represented by the following structural formula: ##STR1## wherein: Z is a radical selected from the group consisting of amino and an organic radical, said organic radical being connected to the sulfur atom by a carbon atom; ##STR2## C.sub.3 -C.sub.20 cycloalkyl; and R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5 are independently hydrogen or an organic radical. These groups can be particularly described as follows:

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