Titanium dioxide pigment treated to suppress yellowing in polyme

Details Titanium dioxide pigment treated to suppress yellowing in polyme Titanium dioxide pigment treated to suppress yellowing in polyme

1981-12-10

1983-03-22

Poer, James

Compositions: coating or plastic

Materials or ingredients

Miscellaneous

106308N, 524497, C09C 136

Patent

active

043774172

ABSTRACT:
A titanium dioxide pigment is provided for use in polymeric compositions comprising a pyrogenic titanium dioxide pigment which has been treated with a composition comprising an organophosphate/alkanolamine addition product.
This invention provides for a novel method for treating a pyrogenic titanium dioxide pigment in order to reduce yellowing when such pigment is incorporated into a polymeric composition comprising adding to such pigment a composition which comprises an organophosphate/alkanolamine addition product.

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patent: 3498946 (1970-03-01), Calkins
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patent: 4001034 (1977-01-01), Simkin
patent: 4050951 (1977-09-01), Piccolo et al.
patent: 4054552 (1977-10-01), Hoogeboom

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