C - Chemistry – Metallurgy – 08 – K
Patent
C - Chemistry, Metallurgy
08
K
C08K 3/00 (2006.01) C08K 5/00 (2006.01) C08K 5/37 (2006.01) C08L 21/00 (2006.01)
Patent
CA 2740170
A sulfur-containing cycloaliphatic compound, useful as a crosslinker for filled sulfur-vulcanizable elastomer compositions, is represented by the general formula: G[-C a H2a -S-S(=O)b-R]n wherein G is a saturated, monocyclic aliphatic group of valence n containing from 5 to 12 carbon atoms and optionally containing at least one halogen or a saturated monocyclic silicone [RSiO-]n[R2SiO-]p group of valence n; each R independently is a monovalent hydrocarbon of up to 20 carbon atoms; each occurrence of subscripts a and b independently is an integer wherein a is 2 to 6 and b is 1 or 2; n is an integer of from 3 to 6; and p is an integer of from 0 to 3.
L'invention porte sur un composé cycloaliphatique contenant du soufre, utile comme réticulant pour des compositions à élastomères vulcanisables par le soufre, chargées. Ce composé est représenté par la formule générale : G[-CaH2a-S-S(=O)b-R]n, dans laquelle G est un groupe aliphatique monocyclique, saturé, de valence n contenant de 5 à 12 atomes de carbone et contenant facultativement au moins un halogène ou un groupe silicone monocyclique saturé [RSiO-]n[R2SiO-]p de valence n ; chaque R représente indépendamment un hydrocarbure monovalent allant jusqu'à 20 atomes de carbone ; chaque occurrence des indices a et b est indépendamment un entier où a vaut 2 à 6 et b vaut 1 ou 2 ; n est un entier de 3 à 6 ; et p est un entier de 0 à 3.
Cruse Richard W.
Herzog Katharina
Kramer Thomas
O'brien Michael Joseph
Perry Robert James
Gowling Lafleur Henderson Llp
Momentive Performance Materials Inc.
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