Title:
FOAMED RUBBER COMPOSITION FOR SHOE SOLE AND OUTERSOLE
Document Type and Number:
WIPO Patent Application WO/2010/050628
Kind Code:
A2
Abstract:
Provided is a foamed rubber composition for a shoe sole that is lightweight, has suitable hardness, and has excellent tensile strength, tearing strength, and impact absorbance, and an outersole that uses the same. The foamed rubber composition for a shoe sole uses (A) a vulcanizable rubber, (B) a vinyl cis-butadiene rubber (VCR) that is not (A) and that has a boiling n-hexane-insoluble content of 1 to 25 wt% and a boiling n-hexane-soluble content of 99 to 75 wt%, and (C) a thermoplastic resin, in combination with a foaming agent composed of (D1) a thermal expanding foaming agent and (D2) a pyrolyzing foaming agent such that there are 0.5 to 3.0 parts by weight of (D1) and 0.5 to 7.0 parts by weight of (D2) per 100 parts by weight of the total rubber components consisting of (A) + (B) + (C).
Inventors:
NAKAJIMA, Takeshi (8-1, Goi-Minamikaigan, Ichihara-sh, Chiba 45, 〒2900045, JP)
仲島 毅 (〒45 千葉県市原市五井南海岸８－１ 宇部興産株式会社内 Chiba, 〒2900045, JP)
TANAKA, Tsuneo (8-1, Goi-Minamikaigan, Ichihara-sh, Chiba 45, 〒2900045, JP)
仲島 毅 (〒45 千葉県市原市五井南海岸８－１ 宇部興産株式会社内 Chiba, 〒2900045, JP)
TANAKA, Tsuneo (8-1, Goi-Minamikaigan, Ichihara-sh, Chiba 45, 〒2900045, JP)
Application Number:
JP2010/051833
Publication Date:
May 06, 2010
Filing Date:
February 08, 2010
Export Citation:
Assignee:
UBE INDUSTRIES, LTD. (1978-96, Oaza Kogushi Ube-sh, Yamaguchi 33, 〒7558633, JP)
宇部興産株式会社 (〒33 山口県宇部市大字小串１９７８番地の９６ Yamaguchi, 〒7558633, JP)
NAKAJIMA, Takeshi (8-1, Goi-Minamikaigan, Ichihara-sh, Chiba 45, 〒2900045, JP)
仲島 毅 (〒45 千葉県市原市五井南海岸８－１ 宇部興産株式会社内 Chiba, 〒2900045, JP)
宇部興産株式会社 (〒33 山口県宇部市大字小串１９７８番地の９６ Yamaguchi, 〒7558633, JP)
NAKAJIMA, Takeshi (8-1, Goi-Minamikaigan, Ichihara-sh, Chiba 45, 〒2900045, JP)
仲島 毅 (〒45 千葉県市原市五井南海岸８－１ 宇部興産株式会社内 Chiba, 〒2900045, JP)
International Classes:
C08J9/04; A43B13/04; C08K5/23; C08K7/22; C08L7/00; C08L9/00; C08L21/00; C08L101/00
Attorney, Agent or Firm:
ITAMI, Masaru et al. (Murata Bldg, Suite 4A 2-5, Kanda-Surugadai, Chiyoda-k, Tokyo 62, 〒1010062, JP)
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