Invention Application
- Patent Title: VISCOELASTIC AND RETICULATED POLYURETHANE FOAM AND THE PREPARATION THEREOF
- Patent Title (中): 粘弹性和聚氨酯泡沫及其制备
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Application No.: PCT/EP2016/062989Application Date: 2016-06-08
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Publication No.: WO2016198433A1Publication Date: 2016-12-15
- Inventor: LI, Liqiang , WANG, Qingyun , LIN, Yongxin , CAO, Zhong , XIONG, Kehan
- Applicant: COVESTRO DEUTSCHLAND AG , COVESTRO POLYMERS (CHINA) CO. LTD.
- Applicant Address: Kaiser-Wilhelm-Allee 60 51373 Leverkusen DE
- Assignee: COVESTRO DEUTSCHLAND AG,COVESTRO POLYMERS (CHINA) CO. LTD.
- Current Assignee: COVESTRO DEUTSCHLAND AG,COVESTRO POLYMERS (CHINA) CO. LTD.
- Current Assignee Address: Kaiser-Wilhelm-Allee 60 51373 Leverkusen DE
- Agency: LEVPAT
- Priority: CN201510340126.8 20150611
- Main IPC: C08L71/02
- IPC: C08L71/02 ; C08G18/48 ; C08G18/66 ; C08G18/72 ; C08G18/76 ; C08G18/18 ; C08G18/20 ; C08G18/28 ; C08G18/32
Abstract:
The present invention provides a polyol composition for preparing a viscoelastic and reticulated polyurethane foam, comprising a first polyether polyol bl), a second polyether polyol b2), a third polyether polyol b3), and a surfactant b6). The present invention also provides a viscoelastic and reticulated polyurethane foam prepared from said polyol composition, wherein the polyurethane foam has a ball rebound rate of less than 15% determined according to GB/T6670-2008.
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