NIPPON GOMU KYOKAISHI
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Volume 63, Issue 4
Displaying 1-8 of 8 articles from this issue
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  • [title in Japanese]
    [in Japanese]
    1990 Volume 63 Issue 4 Pages 179-194
    Published: 1990
    Released on J-STAGE: July 09, 2007
    DOIhttps://doi.org/10.2324/gomu.63.179
    JOURNAL FREE ACCESS
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  • [title in Japanese]
    [in Japanese], [in Japanese]
    1990 Volume 63 Issue 4 Pages 195-203
    Published: 1990
    Released on J-STAGE: July 09, 2007
    DOIhttps://doi.org/10.2324/gomu.63.195
    JOURNAL FREE ACCESS
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  • [title in Japanese]
    [in Japanese]
    1990 Volume 63 Issue 4 Pages 204-208
    Published: 1990
    Released on J-STAGE: July 09, 2007
    DOIhttps://doi.org/10.2324/gomu.63.204
    JOURNAL FREE ACCESS
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  • IMPROVEMENT OF THE ADHESION OF PET TIRE CORD TO RUBBER BY LOW-TEMPERATURE PLASMA TREATMENT
    Tadahiko TAKATA, Masashi FURUKAWA
    1990 Volume 63 Issue 4 Pages 209-216
    Published: 1990
    Released on J-STAGE: July 09, 2007
    DOIhttps://doi.org/10.2324/gomu.63.209
    JOURNAL FREE ACCESS
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    The surface of polyethylene terephthalate (PET) fiber for tire reinforcement was activated by low-temperature plasma treatment with an intention to improve adhesion to rubber. It is well known that PET fiber deteriorates due to amine decomposition or hydrolysis induced by amine or moisture contained in rubber at high temperature, accelerating deterioration at the interface between adhesive and fiber resulting in lowered adhesion (degradation of overcured adhesion). Therefore, investigation was in particular made on overcured adhesion from the relation of plasma treatment conditions. Low-temperature plasma treatment nearly reproduced conventional knowledge on chemical and physical (etching) changes and initial adhesion to rubber of the PET fiber surface, and low-temperature plasma treatment using oxidizing gas produced the highest adhesion. However, this scarcely caused improvement in overcured adhesion. The investigation revealed that development of adhesive that is capable for catching amine and moisture or preventing their permeation or that defuse in the PET fiber is needed to improve overcured adhesion.
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  • IMPROVEMENT OF ADHESION OF PET FIBER MODIFIED BY NYLON THIN FILM PRODUCED BY RF ION-PLATING TECHNIQUE
    Tadahiko TAKATA, Masashi FURUKAWA
    1990 Volume 63 Issue 4 Pages 217-223
    Published: 1990
    Released on J-STAGE: July 09, 2007
    DOIhttps://doi.org/10.2324/gomu.63.217
    JOURNAL FREE ACCESS
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    Investigation was carride out whether initial and overcured adhesion between PET fiber and rubber were improved by forming nylon thin film with good adhering characteristics on the PET fiber surface using radio-frequency ion-plating technique (RFIP) and treating with RFL (resolcinol-formaldehyde-latex) for nylon. The investigation results showed that the RFIP technique could form a thin of good adhering qualities different from that produced by simple vacuum evaporation technique and verified that the RFIP technique produced far better initial and overcured adhesion than that obtained from the surface improvement of PET fiber achieved by a simple low-temperature plasma technique. It is surmised that improved overcured adhesion is attributed to the nylon film formed on the PET fiber surface which works as a barrier to amine or moisture that deteriorates the PET fiber at high temperature.
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  • ANALYSIS OF DEFORMATION OF RUBBER COMPOSITE MATERIAL
    Mamoru OCHI, Takeji ABE
    1990 Volume 63 Issue 4 Pages 224-232
    Published: 1990
    Released on J-STAGE: July 09, 2007
    DOIhttps://doi.org/10.2324/gomu.63.224
    JOURNAL FREE ACCESS
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    Nonuniform distribution of stress and strain is produced during deformation of rubber composite material. Hence, it is important to study on the fundamental deformation behaviour, especially the distribution of stress and strain in the rubber composite material. In the present paper, the deformation of rubber composite material is analysed numerically with the Mooney-Rivlin type strain energy function. The finite element method is used for the numerical simulation.
    Plane model of inhomogeneous material is adopted as a model of rubber composite material. Rectangular inhomogeneous regions are assumed to be placed regularly in the model. The applied stress is assumed to be uniaxial tension. It is found that the mode of deformation comes close to that of constant strain as the shape of the inhomogeneous region becomes slender in the stress direction. The mutual constraint between the inhomogeneous regions is weaker for the material with Mooney-Rivlin type stress-strain relation than that with the linear elastic stress-strain relation.
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  • Testing Methods for Dynamic Properties of Rubber Vibration Isolators for Automobile
    1990 Volume 63 Issue 4 Pages 233-238
    Published: 1990
    Released on J-STAGE: July 09, 2007
    DOIhttps://doi.org/10.2324/gomu.63.233
    JOURNAL FREE ACCESS
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  • [title in Japanese]
    [in Japanese]
    1990 Volume 63 Issue 4 Pages 239-240
    Published: 1990
    Released on J-STAGE: July 09, 2007
    DOIhttps://doi.org/10.2324/gomu.63.239
    JOURNAL RESTRICTED ACCESS
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