Pigment-containing premixture of titanium dioxide with olefin po

Details Pigment-containing premixture of titanium dioxide with olefin po Pigment-containing premixture of titanium dioxide with olefin po

1989-11-22

1993-10-12

Henderson, Christopher

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524528, 524570, C08K 322

Patent

active

052526585

ABSTRACT:
A premixture composition for the production of water-resistant photographic support material coated with polyolefin resin for light-sensitive materials of polyolefin resin and light-reflecting white pigment comprises a polyolefin resin formed as a copolymer of ethylene and an .alpha.-olefin. A light-reflecting white pigment is intimately mixed with the said polyolefin resin. Hydrocarbon side chains derived of an .alpha.-olefin in the copolymer comprise C.sub.1 to C.sub.16 carbon atoms. The contents of the copolymer of ethylene and .alpha.-olefin in the premixture composition amounts to from about 10 weight-percent to 100 weight-percent of the complete premixture composition. The light-reflecting white pigment is titanium dioxide. The titanium dioxide employed in the mixture has been subjected to a chemical after-treatment.

REFERENCES:
patent: 3523810 (1970-08-01), Swank
patent: 3577253 (1971-05-01), Foss
patent: 4124562 (1978-11-01), Yui
patent: 4209430 (1980-06-01), Weber
patent: 4650747 (1987-03-01), Uno

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