Title:
ISOPRENE OLIGOMER, POLYISOPRENE, PROCESSES FOR PRODUCING THESE MATERIALS, RUBBER COMPOSITION, AND PNEUMATIC TIRE
Document Type and Number:
WIPO Patent Application WO/2012/008298
Kind Code:
A1
Abstract:
The present invention relates to: an isoprene oligomer composed of a trans structural moiety represented by formula (1) and a cis structural moiety, wherein at least one of atoms or groups of atoms contained in the trans structural moiety is substituted by another atom or another group of atoms; and a polyisoprene which is biosynthesized from the isoprene oligomer and an isopentenyl diphosphate. The present invention also provides: a rubber composition containing the isoprene oligomer and/or the polyisoprene; and a pneumatic tire in which the rubber composition is used in a part (e.g., a tread, a side wall) of the tire.
(In formula (1), n represents an integer of 1-10; m represents an integer of 1-30; Y represents a hydroxy group, a formyl group, a carboxy group, an ester group, a carbonyl group or a group represented by formula (2).)
Inventors:
MIYAGI Yukino (6-9, Wakinohama-cho 3-chome, Chuo-ku, Kobe-sh, Hyogo 72, 〒6510072, JP)
宮城 ゆき乃 (〒72 兵庫県神戸市中央区脇浜町３丁目６番９号 住友ゴム工業株式会社内 Hyogo, 〒6510072, JP)
ICHIKAWA Naoya (6-9, Wakinohama-cho 3-chome, Chuo-ku, Kobe-sh, Hyogo 72, 〒6510072, JP)
宮城 ゆき乃 (〒72 兵庫県神戸市中央区脇浜町３丁目６番９号 住友ゴム工業株式会社内 Hyogo, 〒6510072, JP)
ICHIKAWA Naoya (6-9, Wakinohama-cho 3-chome, Chuo-ku, Kobe-sh, Hyogo 72, 〒6510072, JP)
Application Number:
JP2011/064774
Publication Date:
January 19, 2012
Filing Date:
June 28, 2011
Export Citation:
Assignee:
SUMITOMO RUBBER INDUSTRIES, LTD. (6-9 Wakinohama-cho 3-chome, Chuo-ku Kobe-sh, Hyogo 72, 〒6510072, JP)
住友ゴム工業株式会社 (〒72 兵庫県神戸市中央区脇浜町３丁目６番９号 Hyogo, 〒6510072, JP)
YAMAGATA UNIVERSITY (4-12, Kojirakawamachi 1-chome Yamagata-sh, Yamagata 60, 〒9908560, JP)
国立大学法人山形大学 (〒60 山形県山形市小白川町１丁目４－１２ Yamagata, 〒9908560, JP)
MIYAGI Yukino (6-9, Wakinohama-cho 3-chome, Chuo-ku, Kobe-sh, Hyogo 72, 〒6510072, JP)
住友ゴム工業株式会社 (〒72 兵庫県神戸市中央区脇浜町３丁目６番９号 Hyogo, 〒6510072, JP)
YAMAGATA UNIVERSITY (4-12, Kojirakawamachi 1-chome Yamagata-sh, Yamagata 60, 〒9908560, JP)
国立大学法人山形大学 (〒60 山形県山形市小白川町１丁目４－１２ Yamagata, 〒9908560, JP)
MIYAGI Yukino (6-9, Wakinohama-cho 3-chome, Chuo-ku, Kobe-sh, Hyogo 72, 〒6510072, JP)
International Classes:
C08G61/04; B60C1/00; C07F9/09; C08F36/08; C12N9/10; C12N15/00; C12P7/04; C12P7/24; C12P7/40; C12P9/00
Attorney, Agent or Firm:
YASUTOMI & Associates (5-36, Miyahara 3-chome Yodogawa-ku, Osaka-sh, Osaka 03, 〒5320003, JP)
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Claims: