The reaction mechanism of cyanate ester monomer synthesized by a " cyanogen halide - phenol method " is discussed.
分析了 “ 卤化氰 - 酚法 ” 合成氰酸酯单体的化学原理.
The cyanate Resin is modificated by styrene and divinyl benzene , which are called active diluent.
以苯乙烯和二乙烯基苯作为氰酸酯树脂的活性稀释剂,得到粘度低、贮存稳定性好的改性树脂体系.
Polyurethane demulsifier for crude oil were prepared from polypropylene glycol, xylene, toluenediiso - cyanate in xylene solvent.
用聚丙二醇和甲苯二异氰酸酯为原料, 二甲苯为溶剂合成了聚氨酯型原油破乳剂(PPG).