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1.
公开(公告)号:US5064875A
公开(公告)日:1991-11-12
申请号:US620986
申请日:1990-11-30
申请人: Gerhard Grogler , Urs Thiery , Andreas Ruckes , Richard Kopp , Heinrich Hess
发明人: Gerhard Grogler , Urs Thiery , Andreas Ruckes , Richard Kopp , Heinrich Hess
CPC分类号: C08G18/6529 , C08G18/10 , C08G18/3243 , C08G2101/0008 , C08G2101/0016 , C08G2101/0033 , C08G2120/00
摘要: This invention relates to a process for preparing polyurethane urea elastomers by reacting (a) compounds containing at least two isocyanate-reactive groups and having a molecular weight in the range from about 400 to about 10,000; (b) polyisocyanates; and (c) aromatic diamines corresponding to the formula ##STR1## wherein R.sup.1 and R.sup.2 are independently hydrogen or alkyl.
摘要翻译: 本发明涉及通过使(a)含有至少两个异氰酸酯反应性基团并且分子量在约400至约10,000范围内的化合物反应来制备聚氨酯脲弹性体的方法; (b)多异氰酸酯; 和(c)对应于式
+ TR 的芳族二胺,其中R 1和R 2独立地是氢或烷基。 -
2.
公开(公告)号:US5196584A
公开(公告)日:1993-03-23
申请号:US727713
申请日:1991-07-10
申请人: Urs Thiery
发明人: Urs Thiery
IPC分类号: C07C217/84 , C08G18/50 , C08G65/32 , C08G65/322 , C08G65/333
CPC分类号: C08G65/322 , C08G18/5027 , C08G65/33379
摘要: Disclosed herein is a process for the production of aminophenoxy-terminated polyethers containing recurring structural units corresponding to the following formula--CH.sub.2 --CH.sub.2 --CH.sub.2 --CH.sub.2 --O--comprising reacting:a) a polyether component consisting essentially of a polyether diol containing the afore-stated recurring structural units, withb) a nitrobenzene containing hydroxyl-reactive substituent.
摘要翻译: 本文公开了一种制备含有对应于下列通式-CH 2 -CH 2 -CH 2 -O-O-的重复结构单元的氨基苯氧基封端的聚醚的方法,其包括:a)基本上由含有上述 具有重复结构单元,b)含有羟基反应性取代基的硝基苯。
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