Particulate material

Details Particulate material Particulate material

C - Chemistry, Metallurgy

08

K

400/7055, 117/48

C08K 3/22 (2006.01) C08K 3/36 (2006.01) C08K 9/02 (2006.01) C09C 1/36 (2006.01) C09C 3/06 (2006.01)

Patent

CA 2013224

ABSTRACT OF THE DISCLOSURE PARTICULATE MATERIAL There is provided a particulate titanium dioxide having a coating of dense amorphous silica on the particles which have an average size of from 0.01 to 0.15 micron. The particles can be spherical or acicular and are absorbant to UV light and transparent to visible light. The particulate material is of value when incorporated in plastics compositions which then have a reduced tendency to degrade as compared to compositions containing uncoated titanium dioxide of similar size. Films of the plastics compositions are of use as food wrapping.

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