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Patent Searching and Data


Title:
BUMP CUSHION
Document Type and Number:
WIPO Patent Application WO/2014/057740
Kind Code:
A1
Abstract:
The present invention aims to address the problem of providing a bump cushion having excellent repeat compression durability. The present invention provides a bump cushion characterized in being obtained by using a urethane foam composition including a base material (i) containing a urethane prepolymer (A) obtained by reacting a polyol (a1) and a polyisocyanate (a2) with each other, a curing agent (ii) containing a polyol (B) and water (C), and a refined cellulose (iii) having an average particle diameter equal to or less than 10 μm. The refined cellulose (iii) content is preferably in a range of 0.1 to 5 mass parts in relation to 100 mass parts of the urethane foam composition. The refined cellulose (iii) is preferably obtained by refining a cellulose fine powder having an average particle diameter in the range of 20 to 50 μm in the polyol (a1) and/or polyol (B).

Inventors:
SHINCHI Tomoaki (Sakai Plant 3, Takasago 1-chome, Takaishi-sh, Osaka 01, 〒5920001, JP)
HARADA Tomoaki (Central Research Laboratories 631, Sakado, Sakura-sh, Chiba 68, 〒2858668, JP)
SUZAKI Hiroshi (Sakai Plant 3, Takasago 1-chome, Takaishi-sh, Osaka 01, 〒5920001, JP)
HAMADA Kenichi (Central Research Laboratories 631, Sakado, Sakura-sh, Chiba 68, 〒2858668, JP)
HARADA Tetsuya (Central Research Laboratories 631, Sakado, Sakura-sh, Chiba 68, 〒2858668, JP)
Application Number:
JP2013/073126
Publication Date:
April 17, 2014
Filing Date:
August 29, 2013
Export Citation:
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Assignee:
DIC CORPORATION (35-58, Sakashita 3-chome Itabashi-k, Tokyo 20, 〒1748520, JP)
International Classes:
F16F7/00; C08G18/00; C08L1/00; C08L75/04
Foreign References:
JPH07118549A
JPH05214155A
JPS5594925A
JP2007023063A
JP2004516369A
JPH06271703A
Attorney, Agent or Firm:
KONO Michihiro (WATERRAS TOWER 101, Kanda Awajicho 2-chome, Chiyoda-k, Tokyo 63, 〒1010063, JP)
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