Titanium dioxide pigments

Details Titanium dioxide pigments Titanium dioxide pigments

1987-01-27

1988-06-21

Lieberman, Paul

Compositions: coating or plastic

Materials or ingredients

Miscellaneous

106308R, 106308N, C09C 136

Patent

active

047523409

ABSTRACT:
There are provided titanium dioxide pigments characterized by improved gloss developing and dispersibility properties in surface coating vehicles and reduced tendencies to adsorb moisture. Said titanium dioxide pigments comprise pigmentary titanium dioxide particles having deposited thereon a treating agent comprising at least one amine salt of a polyprotic acid having pK.sub.a1 value greater than about 2.5 and a water solubility at 20.degree. C. of at least 2.0 weight percent and an alkanolamine having a pK.sub.b1 greater than about 4.4.

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