- 专利标题： SOFT POLYURETHANE FOAM AND SEAT PAD
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申请号： EP16875577.5申请日： 2016-12-12
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公开(公告)号： EP3392282A1公开(公告)日： 2018-10-24
- 发明人: YOSHITOMI Kosuke , SEGUCHI Hideharu
- 申请人： Bridgestone Corporation
- 申请人地址： 1-1, Kyobashi 3-chome Chuo-ku Tokyo 104-8340 JP
- 专利权人： Bridgestone Corporation
- 当前专利权人： Bridgestone Corporation
- 当前专利权人地址： 1-1, Kyobashi 3-chome Chuo-ku Tokyo 104-8340 JP
- 代理机构： Oxley, Robin John George
- 优先权： JP2015245707 20151216
- 国际公布： WO2017104600 20170622
- 主分类号： C08G18/48
- IPC分类号： C08G18/48 ; A47C27/14 ; C08G18/00 ; C08G18/76 ; C08G101/00 ; C08G18/63 ; C08G18/66 ; C08G18/32 ; C08G18/40
摘要：
The present invention provides a soft polyurethane foam obtained by foam molding a foaming stock solution containing a polyol, a polyisocyanate, a foaming agent, and a catalyst. The polyol includes a polyether polyol A having a weight average molecular weight (Mw) of 3,000 to 8,000 and 3 to 4 functional groups and a polyether polyol B having a weight average molecular weight (Mw) of 1,000 to 4,000 and 2 functional groups. The polyisocyanate includes diphenylmethane diisocyanate.
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