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US5981684A Highly functionalized polyurethanes 失效
高功能化聚氨酯

Highly functionalized polyurethanes
摘要:
The invention relates to highly functionalized polyurethanes which are synthesized from molecules containing the functional groups A(B).sub.n, where A is an NCO group or a group reactive with an NCO group, B is an NCO group or a group reactive with an NCO group, A is reactive with B and n is a positive number and is at least equal to 2.
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