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Patent Searching and Data


Title:
PNEUMATIC TIRE INNER LINER, PNEUMATIC TIRE, AND PNEUMATIC TIRE PRODUCTION METHOD
Document Type and Number:
WIPO Patent Application WO/2017/209207
Kind Code:
A1
Abstract:
The present invention addresses the problem of providing a pneumatic tire inner liner that is highly durable and has high crack resistance at low temperatures. As a solution to said problem, the present invention provides a pneumatic tire inner liner (100) that comprises a film layer (10) and an adhesive layer (20) that is provided on at least one surface of the film layer (10). The pneumatic tire inner liner (100) is characterized in that: the film layer (10) has a gas barrier layer (11) and an elastic layer (12) that is provided on at least one surface of the gas barrier layer (11); the gas barrier layer (11) includes at least a thermoplastic resin; the elastic layer (12) includes at least a polyurethane thermoplastic elastomer; and the adhesive layer (20) includes at least a polystyrene thermoplastic elastomer, the styrene content of the polystyrene thermoplastic elastomer being more than 0 mass% but less than 40 mass%.

Inventors:
KAYASHIMA Kentaro (1-1 Kyobashi 3-chom, Chuo-ku Tokyo 40, 〒1048340, JP)
YOKOKURA Hiroyuki (1-1 Kyobashi 3-chom, Chuo-ku Tokyo 40, 〒1048340, JP)
SUGIMOTO Toshikazu (1-1 Kyobashi 3-chom, Chuo-ku Tokyo 40, 〒1048340, JP)
NONAKA Yasuhiro (7471, Tamashimaotoshim, Kurashiki-shi Okayama 50, 〒7138550, JP)
SUZUKI Makoto (7471, Tamashimaotoshim, Kurashiki-shi Okayama 50, 〒7138550, JP)
HAYASHI Nahoto (7471, Tamashimaotoshim, Kurashiki-shi Okayama 50, 〒7138550, JP)
Application Number:
JP2017/020340
Publication Date:
December 07, 2017
Filing Date:
May 31, 2017
Export Citation:
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Assignee:
BRIDGESTONE CORPORATION (1-1 Kyobashi 3-chome Chuo-ku Tokyo, 40, 40, 〒1048340, JP)
KURARAY CO., LTD. (1621, Sakazu Kurashiki-shi Okayama, 01, 〒7100801, JP)
International Classes:
B60C5/14; B29D30/30
Attorney, Agent or Firm:
SUGIMURA Kenji (36F Kasumigaseki Common Gate West, 3-2-1 Kasumigasek, Chiyoda-ku Tokyo 13, 〒1000013, JP)
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