Patent ID: 7179853
Filing Date: 2007-02-20
Classification: C09D

Abstract:
1. A pigment paste composition comprising: about 15–30% by weight of pigment grinding vehicle, wherein said pigment grinding vehicle is obtainable from about 25–35% by weight of polyglycidyl ether of bisphenol A having an epoxy equivalence in a range of about 900–1200, about 5–12% by weight of propyleneglycol monomethyl ether acetate, about 8–15% by weight of partically blocked isocyanate cross-linking agent, about 25–40% by weight of ethylene glycol monobutyl ether, about 10–20% by weight of organic tertiary amino acid salt and about 0–5% by weight of deionized water; about 2–6% by weight of an anticorrosive pigment; and about 0.7–2.3% by weight of dibutyl tin oxide, a ratio of solid content of said pigment/pigment grinding vehicle being about 1/0.2–1/0.45.