Title:
SOFT POLYURETHANE FOAM AND SEAT PAD
Document Type and Number:
WIPO Patent Application WO/2017/104600
Kind Code:
A1
Abstract:
The present invention provides a soft polyurethane foam obtained by foam molding a foaming stock solution comprising a polyol, a polyisocyanate, a foaming agent, and a catalyst. The polyol includes: a polyether polyol A wherein the weight-average molecular weight Mw is from 3000 to 8000 and the number of functional groups is from 3 to 4; and a polyether polyol B wherein the weight-average molecular weight Mw is from 1000 to 4000 and the number of functional groups is 2. The polyisocyanate includes diphenylmethane diisocyanate.
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Inventors:
YOSHITOMI KOSUKE (JP)
SEGUCHI HIDEHARU (JP)
SEGUCHI HIDEHARU (JP)
Application Number:
PCT/JP2016/086871
Publication Date:
June 22, 2017
Filing Date:
December 12, 2016
Export Citation:
Assignee:
BRIDGESTONE CORP (JP)
International Classes:
C08G18/48; A47C27/14; B60N2/90; C08G18/00; C08G18/76; C08G101/00
Domestic Patent References:
| WO2015026567A1 | 2015-02-26 |
Foreign References:
| JPH09302066A | 1997-11-25 | |||
| JP2004523632A | 2004-08-05 | |||
| JP2010527400A | 2010-08-12 | |||
| US20130150476A1 | 2013-06-13 | |||
| JPH08239445A | 1996-09-17 |
Other References:
See also references of EP 3392282A4
Attorney, Agent or Firm:
SHIGA Masatake et al. (JP)
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