Thermosetting coating composition containing a blocked acid as c

Details Thermosetting coating composition containing a blocked acid as c Thermosetting coating composition containing a blocked acid as c

1983-08-08

1984-11-13

Pertilla, Theodore E.

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

Synthetic resins

From aldehyde or derivative thereof as reactant

525157, 525443, 528254, C08G 1232

Patent

active

044826982

ABSTRACT:
A thermosetting coating composition containing an acid-curable amino resin and from 0,1 to 10 percent by weight of a blocked sulphonic acid, calculated on the weight of amino resin. The blocked acid used is an O-sulphonyl hydroxamic ester of the formula [RSO.sub.2 ONHCOO].sub.n A, wherein n represents an integer from 1 to 5 and R and A are organic groups.
The new blocked acids are better soluble in the current solvents used in these coating compositions.
The compositions may be used advantageously for coating a substrate by electrostatic spraying.

REFERENCES:
patent: 4351935 (1982-09-01), Reesink

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