【Key words】 polyurethane； polyurethaneurea； mixed solvent； hydrogen bonding； chemical structure； adhesion
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polyurethane-urea 聚氨酯脲
A solvent resistant adhesive obtained by the crosslinking of a hydroxyl or urea or hydrocarbon terminated unsaturated polyurethane or polyurethane-urea polymer with a peroxide or a silicone hydride.
耐溶剂粘合剂，其通过使用过氧化物或硅烷来交联羟基或脲或烃封端的不饱和聚氨酯或聚氨酯-脲聚合物而获得。
The hydrogen bonds and their property of the polyether polyurethane-urea have been systematically studied. The results indicate that the NH groups are almost completely hydrogen-bonded.
本文用红外光谱法较系统地研究了聚醚型聚脲氨酯内的氢键及其性质，表明材料内的NH基团是几乎完全氢键化的。
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