发明授权
- 专利标题: Microcellular polyurethane foams
- 专利标题(中): 微孔聚氨酯泡沫
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申请号: US972641申请日: 1978-12-22
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公开(公告)号: US4220732A公开(公告)日: 1980-09-02
- 发明人: Robert L. McBrayer
- 申请人: Robert L. McBrayer
- 申请人地址: MI Wyandotte
- 专利权人: BASF Wyandotte Corporation
- 当前专利权人: BASF Wyandotte Corporation
- 当前专利权人地址: MI Wyandotte
- 主分类号: C08G18/66
- IPC分类号: C08G18/66 ; C08G18/14
摘要:
A method of improving the load-bearing properties of microcellular flexible, urethane foams wherein the processing characteristics for the production thereof are also improved, which comprises utilizing a combination of 1,4-butanediol and phenyldiethanolamine as a chain extender.
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