NIPPON GOMU KYOKAISHI
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Volume 51, Issue 8
Displaying 1-8 of 8 articles from this issue
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  • [title in Japanese]
    [in Japanese], [in Japanese], [in Japanese]
    1978 Volume 51 Issue 8 Pages 601-619
    Published: August 15, 1978
    Released on J-STAGE: March 05, 2013
    DOIhttps://doi.org/10.2324/gomu.51.8_601
    JOURNAL FREE ACCESS
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  • [title in Japanese]
    [in Japanese]
    1978 Volume 51 Issue 8 Pages 620-621
    Published: August 15, 1978
    Released on J-STAGE: March 05, 2013
    DOIhttps://doi.org/10.2324/gomu.51.8_620
    JOURNAL FREE ACCESS
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  • [title in Japanese]
    [in Japanese]
    1978 Volume 51 Issue 8 Pages 622-631
    Published: August 15, 1978
    Released on J-STAGE: March 05, 2013
    DOIhttps://doi.org/10.2324/gomu.51.8_622
    JOURNAL FREE ACCESS
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  • [title in Japanese]
    [in Japanese]
    1978 Volume 51 Issue 8 Pages 632-640
    Published: August 15, 1978
    Released on J-STAGE: March 05, 2013
    DOIhttps://doi.org/10.2324/gomu.51.8_632
    JOURNAL FREE ACCESS
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  • [title in Japanese]
    [in Japanese], [in Japanese]
    1978 Volume 51 Issue 8 Pages 641-642
    Published: August 15, 1978
    Released on J-STAGE: March 05, 2013
    DOIhttps://doi.org/10.2324/gomu.51.8_641
    JOURNAL FREE ACCESS
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  • STADY ON THE REINFORCEMENT OF POLYURETNANE ELASTOMERS BASED ON HYDROXYL-TERMINATED POLYBUTADIEN (VIII)
    REINFORCING EFFECTS OF ORGANIC FILLERS ON LIQUID BUTADIENE RUBBER.
    Shinzo YAMASHITA, Hiroshi OKAMOTO, Yuji MINOURA, Jiro CHOSOKABE, Yutak ...
    1978 Volume 51 Issue 8 Pages 643-654
    Published: August 15, 1978
    Released on J-STAGE: March 05, 2013
    DOIhttps://doi.org/10.2324/gomu.51.8_643
    JOURNAL FREE ACCESS
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    Hydroxyl terminated liquid polybutadiene (HT-PB) was compounded with various organic fillers i. e., Nylon 11, Polyvinyl butylacetal, Polyacryl amide, Polvinyl alcohol, Polyester resin, Polyvinyl chloride copolymer, Polyphenylene sulfide, Microcrystalline cellulose, Rice starch, Chlorinated polypropylene, Polytrifluoro ethylene, Polymethyl methacrylate, Polystylene, and Polyacrylonitrile and cured with 4, 4-diisocyanate-diphenyl methane. The viscosity of the compound and the tensile strength of the vulcanizate remarkably depended on the average particle size of the fillers used. Below 1μ in the particle size, the viscosities of the compounds increased to show good storage stabilities and the tensile strength indicated high values. The viscosity and the tensile strength increased with a decreasing particle size, some discussions being made on the tensile strength in connection with the viscosity of compound. Polymethyl methacrylate-2-hydroxy ethyl methacrylate (PMMA-2HEMA) obtained by emulsion polymerization was studied for its reinforcing effect on HT-PB. The tensile strength of the vulcanizate composed of PMMA-2HEMA copolymer showed such a reinforcing effect as that of active inorganic fillers.
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  • IMPROVEMENT ON PHYSICAL PROPERTIES OF LIQUID RUBBER VULCANIZATES BY METAL THIOGLYCOLATES
    Shinzo YAMASHITA, Hiroshi OKAMOTO, Yuji MINOURA, Jiro CHYOSOKABE, Yuta ...
    1978 Volume 51 Issue 8 Pages 655-659
    Published: August 15, 1978
    Released on J-STAGE: March 05, 2013
    DOIhttps://doi.org/10.2324/gomu.51.8_655
    JOURNAL FREE ACCESS
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    Aluminum and barium thioglycolaters were found to improve remarkably the tensile strength and modulus of the vulcanizates of hydroxyl terminated liquid butadiene rubber cured with 4, 4-diisocyanate diphenyl-methane. These phenomena were observed not only for gum stock, but also for the stocks with such fillers as hydrated sillica and poly (vinyl cicohol) power. Only 2 to 6 weight-parts of those thioglycolates increased by 40 to 60 percent in the tensile strength or modulus of the vulcanizates, but decreased in the gel contents in benzene of swelling. Some discussions were made about those phenomena.
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  • [title in Japanese]
    1978 Volume 51 Issue 8 Pages 660-661
    Published: August 15, 1978
    Released on J-STAGE: March 05, 2013
    DOIhttps://doi.org/10.2324/gomu.51.8_660
    JOURNAL RESTRICTED ACCESS
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