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Title:
LAMINATE AND METHOD FOR PRODUCING PNEUMATIC TIRE
Document Type and Number:
WIPO Patent Application WO/2018/193941
Kind Code:
A1
Abstract:
Provided is a laminate which comprises a layer of a polyimide resin and a layer of an unvulcanized rubber composition, and wherein the rubber composition contains (A) a rubber component, (B) 20-100 parts by mass of a polyamide polyether elastomer per 100 parts by mass of the rubber component (A), (C) a condensation product of formaldehyde and a compound represented by formula (1) (wherein each of R1, R2, R3, R4 and R5 is independently selected from the group consisting of a hydrogen atom, a hydroxyl group, an alkyl group having 1-8 carbon atoms, a hydroxyalkyl group having 1-8 carbon atoms and an alkoxide group having 1-8 carbon atoms), (D) a methylene donor and (E) a vulcanizing agent. A laminate according to the present invention exhibits improved bonding strength between a layer of a polyimide resin and a layer of a rubber composition.

Inventors:
SHIBATA, Hirokazu (LTD. HIRATSUKA FACTORY 2-1, Oiwake, Hiratsuka-sh, Kanagawa 01, 〒2548601, JP)
TANNO, Atsushi (LTD. HIRATSUKA FACTORY 2-1, Oiwake, Hiratsuka-sh, Kanagawa 01, 〒2548601, JP)
Application Number:
JP2018/015277
Publication Date:
October 25, 2018
Filing Date:
April 11, 2018
Export Citation:
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Assignee:
THE YOKOHAMA RUBBER CO., LTD. (36-11, Shimbashi 5-chome Minato-k, Tokyo 85, 〒1058685, JP)
International Classes:
B32B25/08; B32B25/14; B32B27/34; B60C1/00; C08K5/3495; C08L9/00; C08L61/06; C08L61/28; C08L77/00
Domestic Patent References:
WO2017033956A12017-03-02
WO2013061646A12013-05-02
WO2016143667A12016-09-15
Foreign References:
JP2013521360A2013-06-10
JP2016199689A2016-12-01
JP2010111817A2010-05-20
JP2009291962A2009-12-17
JP2014507319A2014-03-27
JPS6173738A1986-04-15
JP2007138020A2007-06-07
JP2003320618A2003-11-11
JPS5835231B21983-08-01
Attorney, Agent or Firm:
AOKI, Atsushi et al. (SEIWA PATENT & LAW, Toranomon 37 Mori Bldg. 5-1, Toranomon 3-chome, Minato-k, Tokyo 23, 〒1058423, JP)
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