Powder varnish compositions containing carboxy curing agents

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...

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524602, 525438, 528114, 528117, 528289, 560 35, C08G 5914, C08G 5916, C08L 6300

Patent

active

046956131

ABSTRACT:
Curing agents which contain carboxy groups, obtained by partial neutralization of an oligoester having an acid number in the range from 245 to 265 with a cyclic amidine, for epoxy-group-containing powder coating compositions to produce matte coatings.

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patent: 4411955 (1983-10-01), Mondt et al.
patent: 4424313 (1984-01-01), Meyer et al.
patent: 4459392 (1984-07-01), Arai et al.
patent: 4496710 (1985-01-01), Gude et al.
patent: 4510288 (1985-04-01), Meyer et al.

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