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AssigneesKabushiki Kaisha Toyota Chuo Kenkyusho, Toyota Jidosha Kabushiki Kaisha, Toyoda Gosei Co., Ltd.
InventorsMitsumasa Matsushita, Makoto Mouri, Hirotaka Okamoto, Norio Sato, Yasuyuki Suzuki, Masao Owaki, Noriyuki Suzuki, Katsumi Nakashima, Hidenobu Honda, Toru Yoshida, Katsumasa Takeuchi
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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 claimed 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.
A rubber composition comprising (1) a reclaimed rubber obtained by applying a heat and a shear stress to a vulcanized rubber, and (2) a non-vulcanized virgin rubber or/and a thermoplastic resin,
A method for producing a rubber composition comprising the steps of:
Dependencies are inferred from the claim text.