Rubber compositions from modified trans-polybutadiene and rubber for tires.Rubber compositions from modified trans-polybutadiene and rubber for tires U.S. patent: 5,017,636 Issued: May 21, 1991 Inventors: I.H. Ama, N. Shimada, N.O. Suzuka, M. Sakakibara, H. Mouri, T. Fujimaki and T. Hamada Assigned: Japan Synthetic Rubber Co. and Bridgestone Corp. A rubber composition for a tire comprising a butadiene polymer having a trans-1,4 content of 70-90%, and modified at the terminal thereof with a compound selected from the group consisting of (a) isocyanate i·so·cy·a·nate n. Any of a family of nitrogenous chemicals that are used in industry and can cause respiratory disorders, especially asthma, if inhaled. compounds and/or isothiocyanate isothiocyanate see allyl isothiocyanate. compounds, (b) isocyanuric acid derivatives and/or thiocarbonyl containing compounds thereof, (c) urea compounds, (d) amide compounds and/or imide imide /im·ide/ (im´id) any compound containing the bivalent group, dbondNH, to which are attached only acid radicals. im·ide n. compounds, (e) N-alkyl substituted oxazolydinone compounds, etc., and at least one rubber selected from natural rubber, high cis-1,4 polyisoprene rubber and styrene-butadiene copolymer copolymer: see polymer. rubber high cis-1,4 polybutadiene and/or low cis-1,4 polybutadiene, and carbon black, process oil, aliphatic aliphatic /al·i·phat·ic/ (al?i-fat´ik) pertaining to any member of one of the two major groups of organic compounds, those with a straight or branched chain structure. al·i·phat·ic adj. carboxylic acid and sulfur based. |
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