Thiocarbamoyldisulfanyl-functional cycloaliphatic compound,...

Details Thiocarbamoyldisulfanyl-functional cycloaliphatic compound,... Thiocarbamoyldisulfanyl-functional cycloaliphatic compound,...

C - Chemistry, Metallurgy

07

C

C07C 333/32 (2006.01) C08K 5/39 (2006.01)

Patent

CA 2740173

A thiocarbamoyldisulfanyl-functional cycloaliphatic compound, useful as a crosslinker for filled sulfur-vulcanizable elastomer compositions, is represented by the general formula: G[-C a H2a-S-S- C(=S)NR2]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 hydrogen or a monovalent hydrocarbon of up to 20 carbon atoms; each occurrence of subscripts a independently is an integer wherein a is 2 to 6; n is an integer of from 3 to 6; and, p is an integer of from 0 to 3.

Un composé cycloaliphatique à fonction thiocarbamoyldisulfanyle, pouvant être employé en tant qu'agent de réticulation pour des compositions d'élastomère vulcanisables sulfurées chargées, est représenté par la formule générale : G[-CaH2a-S-S-C(=S)NR2]n où G représente un groupement aliphatique monocyclique saturé de valence n comportant entre 5 et 12 atomes de carbone et incluant éventuellement au moins un atome d'halogène ou un groupement silicone monocyclique saturé [RSiO-]n [R2SiO-]p de valence n ; chaque groupement R représente indépendamment un atome d'hydrogène ou un hydrocarbure monovalent comportant jusqu'à 20 atomes de carbone ; chaque exemplaire dindice a représente indépendamment un entier tel que a est compris entre 2 et 6 ; n est un entier compris entre 3 et 6 ; et p est un entier compris entre 0 et 3.

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