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Title:
RESIN COMPOSITION FOR FOAM-MOLDED ARTICLES, FOAM-MOLDED ARTICLES CONFIGURED FROM THE RESIN COMPOSITION, AND CONTAINER STOPPER CONFIGURED TEHREFROM
Document Type and Number:
WIPO Patent Application WO/2010/134554
Kind Code:
A1
Abstract:
Provided are: a resin composition for foam-molded articles which contains a thermoplastic elastomer composition having excellent gas barrier properties (oxygen barrier properties); foam-molded articles configured from the resin composition; and a container stopper configured therefrom. A resin composition for foam-molded articles which exhibits an expansion ratio of 1.1 to 2.5, containing a thermoplastic elastomer composition that comprises (I) 100 parts by mass of a block copolymer comprising (A) an aromatic vinyl polymer block and (B) a conjugated diene polymer block or a product of hydrogenation of the block copolymer and (II) 10 to 150 parts by mass of a tackifier resin and that exhibits an oxygen permeability constant of less than 25000cc ∙20μm/m2∙day∙atm as determined using a 300-μm-thick, film-shaped specimen and according to JIS K 7126-1 (differential-pressure method); foam-molded articles configured from the resin composition; and a container stopper configured therefrom.

Inventors:
SASAKI, Hiromitsu (36, Towada, Kamisu-sh, Ibaraki 97, 〒3140197, JP)
Application Number:
JP2010/058468
Publication Date:
November 25, 2010
Filing Date:
May 19, 2010
Export Citation:
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Assignee:
KURARAY CO., LTD. (1621, Sakazu Kurashiki-sh, Okayama 01, 〒7100801, JP)
株式会社クラレ (〒01 岡山県倉敷市酒津1621 Okayama, 〒7100801, JP)
International Classes:
C08J9/04; B65D39/04; C08L23/00; C08L53/02; C08L101/12
Attorney, Agent or Firm:
OHTANI, Tamotsu et al. (OHTANI PATENT OFFICE, Bridgestone Toranomon Bldg. 6F. 25-2, Toranomon 3-chome, Minato-k, Tokyo 01, 〒1050001, JP)
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Claims: