Rubber composition and method for producing the same

Details Rubber composition and method for producing the same Rubber composition and method for producing the same

C - Chemistry, Metallurgy

08

L

C08L 17/00 (2006.01) C08J 11/12 (2006.01) C08L 21/00 (2006.01)

Patent

CA 2260350

The present invention provides a rubber composition containing a reclaimed rubber and a method for producing the same. A rubber molded article having excellent rubber properties can be obtained and the recycling of a used rubber product can be promoted by the present invention. A rubber composition of the present invention is a blend comprising a reclaimed rubber obtained by applying a heat and a shear stress to a vulcanized rubber, a non-vulcanized virgin rubber or/and a thermoplastic resin, wherein the reclaimed rubber contains 40 % by weight or more of a residual toluene-insoluble gel component and the network chain density of the rubber in the gel component is 1/20 to 1/4 based on the network chain density of the rubber of the vulcanized rubber.

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