SEDL / STP / STP781-EB / STP33760S

Prediction of the Influence of Titanium Dioxide on Polymer Weathering

Irick, G
Senior research associate and senior research chemists, Research Laboratories, Tennessee Eastman Co., Eastman Chemicals Division, Eastman Kodak Co., Kingsport, Tenn.

Strickland, TH
Senior research associate and senior research chemists, Research Laboratories, Tennessee Eastman Co., Eastman Chemicals Division, Eastman Kodak Co., Kingsport, Tenn.

Zannucci, JS
Senior research associate and senior research chemists, Research Laboratories, Tennessee Eastman Co., Eastman Chemicals Division, Eastman Kodak Co., Kingsport, Tenn.

Pages: 8    Published: Jan 1982

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Abstract

Titanium dioxide strongly influences the weatherability of polymers in which it is incorporated. Because of the long time spans involved in artificial and outdoor weathering tests, it is highly desirable to estimate the effect of a particular titanium dioxide pigment before the initiation of weathering. A variety of pigment activity tests have been reported. This paper describes a test method that involves the photooxidation of isopropyl alcohol.