The one step method was adopted in this study to synthesize aliphatic polyurethane with 4,4 methylene dicyclohexyl diisocyanate(HMDI), 1,4 butanediol(BDO) and poly (tetrahydrofuran)(PTMG).
采用一步法合成以4 ，4 '-甲烷二环已基二异氰酸酯（HMDI）、扩链剂1，4 -丁二醇（BDO）为硬段，聚四氢呋喃醚（PTMG）为软段的脂肪族聚氨酯。
The effects of organic silicon mass fraction on polymer state, mechanical properties, water resistance and yellowing resistance of siloxane-modified aliphatic polyurethane were investigated.
考察了不同有机硅含量对聚合物状态、力学性能、耐水性和耐黄变性能的影响，以及有机硅改性脂肪族聚氨酯树脂在合成革上的应用性能。
Nonisocyanate polyurethane(NIPU) was synthesized by aliphatic primary diamine and cyclocarbonate prepared from epoxy resin E-44.
以环氧树脂E-44为原料合成了环碳酸酯，再与脂肪族伯胺反应合成了非异氰酸酯聚氨酯。
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