C - Chemistry – Metallurgy – 08 – K
Patent
C - Chemistry, Metallurgy
08
K
C08K 9/04 (2006.01) C08K 13/04 (2006.01) C09C 1/30 (2006.01)
Patent
CA 2573367
The present invention relates to SiOZ flakes, especially porous SiOz flakes, wherein 0.70 <= z <= 2.0, especially 0.95 <= z <= 2.0, comprising a polymer additive in the pores, which provides enhanced (long term) efficacy. Further aspects of the invention are a process for their preparation and a polymer composition containing such SiOz flakes.
L'invention se rapporte à des éclats de SiO<SB>Z</SB>, notamment des éclats poreux de SiOz, 0.70 = z = 2.0, plus précisément 0.95 = z = 2.0, contenant un additif polymérique dans les pores, qui fournit une efficace (sur le long terme) améliorée. D'autres aspects de l'invention concernent leur procédé de préparation et une composition polymérique contenant ces éclats de SiOz.
Brand Fabien Jean
Bujard Patrice
Hoppe Holger
Mueller Martin
Tinkl Michael
Ciba Specialty Chemicals Holding Inc.
Fetherstonhaugh & Co.
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