Particles treated with a functionalised polyorganosiloxane

Details Particles treated with a functionalised polyorganosiloxane Particles treated with a functionalised polyorganosiloxane

C - Chemistry, Metallurgy

09

C

C09C 3/12 (2006.01) C08K 9/06 (2006.01) C08K 9/08 (2006.01) C09C 1/36 (2006.01) C09D 7/12 (2006.01)

Patent

CA 2245247

Inorganic particles, except for silica particles, including at least one functionalised polyorganosiloxane grafted onto all or part of the surface thereof, said polyorganosiloxane being functionalised by at least one alkoxy group and at least one organic group selected from alkyls, alkenyls, mercaptoalkyls, sulphoxides, epoxies, (meth)acryloxy groups, amino groups, hydroxyl groups, siloxy groups, ethers, ketones, esters, phosphorus groups, and parts of polymers that include recurrent aromatic vinyl, ether, amide or sulphuric units, are disclosed. A method for preparing such particles is also disclosed. Furthermore, compositions containing said particles and at least one thermoplastic polymer are disclosed.

La présente invention concerne des particules minérales, à l'exception de la silice, comprenant au moins un polyorganosiloxane fonctionnalisé greffé sur tout ou partie de leur surface, ledit polyorganosiloxane étant fonctionnalisé par au moins un groupe alcoxy et au moins un groupe organique choisi parmi les alkyles, les alkényles, les mercaptoalkyles, les sulfoxydes, les époxy, les groupes (meth)acryloxy, les groupes amino, les groupes hydroxyle, les groupes siloxy, les éthers, les cétones, les esters, les phosphorés, des parties de polymères comprenant des unités récurrentes aromatiques vinyliques, éthers, amides ou sulfuriques. L'invention concerne également le procédé de préparation de ces particules. Elle concerne aussi des compositions comprenant lesdites particules et au moins un polymère thermoplastique.

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