D - Textiles – Paper – 06 – M
Patent
D - Textiles, Paper
06
M
D06M 13/262 (2006.01) D01F 1/10 (2006.01) D06M 11/51 (2006.01) D06M 13/252 (2006.01)
Patent
CA 2595418
The invention pertains to a fiber comprising 0.5-30 wt.% based on the weight of the fiber of a composition comprising: a) a Bunte salt (A); b) a polysulfide compound (B) comprising the moiety -[S]n- wherein n = 2-6; and c) sulfur or a sulfur donor (C). Preferably the polysulfide compound has the formula: (I) wherein n = 2-6; R is independently selected from hydrogen, halogen, nitro, hydroxyl, C1-C12 alkyl or alkoxyl or aralkyl; The invention further relates to a vulcanization process for making a fiber- elastomer composition comprising the step of vulcanizing: (a) 100 parts by weight of at least one natural or synthetic rubber; (b) 0.1 to 25 parts by weight of an amount of sulfur and/or a sulfur donor, to provide the equivalent of 0.1 to 25 parts by weight of sulfur; and (c) 0.1 to 20 parts by weight of said fiber.
L~invention porte sur une fibre constituée de 0,5 à 30 partie(s) d~une fibre composée : a) d~un sel de Bunte (A) ; b) d~un composé de polysulfures (B) comprenant le fragment -[S]n- où n = 2-6 ; et c) de soufre ou d~un donateur de soufre (C). Le composé de polysulfures a de préférence la formule suivante : (I) où n = 2-6 ; R est indépendamment sélectionné parmi l~hydrogène, l~halogène, le nitro, l~hydroxyle et l~alkyle, l~alkoxyle ou l~aralkyle C1-C12 ; l'invention porte également sur un processus de vulcanisation en vue de fabriquer un composé de fibre et d~élastomère se décomposant comme suit : (a) 100 parties d~au moins un caoutchouc naturel ou synthétique ; (b) 0,1 à 25 partie(s) de soufre et/ou d~un donateur de soufre, pour obtenir l~équivalent de 0,1 à 25 partie(s) de soufre ; et (c) 0,1 à 20 partie(s) de ladite fibre.
Datta Rabindra Nath
de Lange Pieter Jan
Gowling Lafleur Henderson Llp
Teijin Twaron B.v.
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