发明申请
US20070117951A1 Spandex from high molecular weight poly (tetramethylene-co-ethyleneether) glycols
有权
来自高分子量聚（四亚甲基 - 共 - 乙烯醚）二醇的氨纶
- 专利标题： Spandex from high molecular weight poly (tetramethylene-co-ethyleneether) glycols
- 专利标题（中）： 来自高分子量聚（四亚甲基 - 共 - 乙烯醚）二醇的氨纶
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申请号： US11429850申请日： 2006-05-08
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公开(公告)号： US20070117951A1公开(公告)日： 2007-05-24
- 发明人: Charles Palmer , James Lambert
- 申请人： Charles Palmer , James Lambert
- 主分类号： C08G71/02
- IPC分类号： C08G71/02 ; C08G71/04
摘要：
The invention provides polyurethaneurea compositions comprising poly(tetramethylene-co-ethyleneether) glycol having high number average molecular weight, from about 1900 to about 4000 Dalton. The invention further relates to the use of high number average molecular weight poly(tetramethylene-co-ethyleneether) glycol as the soft segment base material in spandex compositions. The invention also relates to new polyurethane compositions comprising poly(tetramethylene-co-ethyleneether) glycols with such high number average molecular weight, from about 1900 to about 4000 Dalton, and their use in spandex.
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