Polysiloxane modified titanium dioxide

Details Polysiloxane modified titanium dioxide Polysiloxane modified titanium dioxide

C - Chemistry, Metallurgy

09

C

C09C 3/12 (2006.01) C08K 3/22 (2006.01) C08K 9/06 (2006.01) C09C 1/36 (2006.01) C08L 23/06 (2006.01)

Patent

CA 2672623

A particle of titanium dioxide treated with a polysiloxane is dislcosed. One or more silicon atoms of the polysiloxane are substituted with an alkylene group that is terminated with a silyl group containing three substituents selected from the group consisting of hydroxy, halo, alkoxy, acetoxy, and mixtures thereof. These treated particles are blended with organic polymers.

L'invention concerne une particule de dioxyde de titane traitée avec un poly(siloxane). Un ou plusieurs atomes de silicium du poly(siloxane) sont substitués par un groupe alkylène se terminant par un groupe silyle contenant trois substituants sélectionnés dans le groupe constitué par les groupes hydroxy, halogéno, alcoxy, acétoxy et des mélanges de ceux-ci. Ces particules traitées sont mélangées à des polymères organiques.

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