C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
C08L 101/04 (2006.01) C08K 3/24 (2006.01) C08K 5/07 (2006.01) C08K 5/098 (2006.01) C08K 13/02 (2006.01) C08L 27/04 (2006.01) C08L 57/08 (2006.01)
Patent
CA 2057318
This invention involves new compositions of a chlorinated polymer, stabilized by means of zinc stannates and/or zinc hydrozystannate. More specifically, this inventions involves compositions of a chlorinated polymer that are characterized by the fact that they contain: at least one organic derivative of zinc that is either a zinc carboxylate or a zinc phenolate, at least one organic derivative of calcium, barium, magnesium or lanthanides that are either carboxylates or phenolates of these metals, at least one secondary organic stabilizer that is either a beta-ketoaldehyde, a beta-diketone, a momeric or polymeric 1,4-dihydro-pyridine, a beta-keto ester, a beta-aminocrotonic ester, a mercaptocarboxylic ester, an alpha-phenylindole, at least one zinc stannate and/or zinc hydroxystannate.
La présente invention concerne de nouvelles compositions à base de polymère chloré, stabilisées à l'aide de stannates de zinc et/ou d'hydroxystannate de zinc. Plus précisément, la présente invention consiste en des compositions à base de polymère chloré, caractérisées en ce qu'elles contiennent: au moins un dérivé organique du zinc choisi parmi les carboxylates et les phénolates de zinc, au moins un dérivé organique du calcium, du baryum, du magnésium ou des lanthanides choisi parmi les carboxylates et les phénolates de ces métaux, au moins un stabilisant secondaire organique choisi parmi les béta-cétoaldéhydes, les béta-dicétones, les dihydro-1,4 pyridines monomères ou polymériques, les béta-cétoesters, les esters béta-aminocrotoniques, les esters mercaptocarboxyliques, les alpha-phényl-indoles, au moins un stannate de zinc et/ou un hydroxystannate de zinc.
Carette Louis
Pouenat Francois
Rhone-Poulenc Chimie
Robic
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