High infra red reflecting brown rutile pigment compositions

Details High infra red reflecting brown rutile pigment compositions High infra red reflecting brown rutile pigment compositions

C - Chemistry, Metallurgy

08

L

6/195, 400/9401

C08L 27/06 (2006.01) C09C 1/00 (2006.01) C09C 1/36 (2006.01) C09C 1/62 (2006.01) C09D 127/06 (2006.01)

Patent

CA 2035695

Desirable high infra red reflecting brown rutile pigment compositions are described which comprise from about 40 to about 50% by weight of titanium, from about 2.3 to about 4.5% by weight of manganese, from about 7.3 to about 11% by weight of tungsten, from 0.05 to about 5% of lithium and from about 0.1 to about 20% of cerium. The invention also relates to the method of preparing the brown rutile pigment compositions and to the use of such pigments as colorants for polyvinyl halide compositions, and in particular, polyvinyl chloride compositions.

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