Nonisocyanate polyurethane(NIPU) was synthesized by aliphatic primary diamine and cyclocarbonate prepared from epoxyresin 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。
2
The synthesis processes of various kinds of hyperbranched epoxyresin were discussed in detail, including polyester, polyether, polyester-polyether and aliphatic hyperbranched epoxyresin.
综述了各类超支化环氧树脂的合成工艺，主要包括聚酯型、 聚醚型、聚酯聚醚型和聚烷烃超支化环氧树脂。
3
One kind of hydroxyl - terminated aliphatic polycarbonate, i. e. poly(ethylene ether carbonate) diol(PEECD) was synthesized and used to toughen epoxyresin (EP) .