常見(jiàn)例句The solubility and viscocity of prepolymer have been investigated. 探討了預(yù)聚體與烯類單體的相溶性及相應(yīng)溶液的粘度;FT-IR was employed to characterize oligomers and prepolymer. 采用了紅外光譜(IR)對(duì)低聚物和預(yù)聚體進(jìn)行了表征;The structure and dual bond content of prepolymer have been analysed by IR. 用紅外光譜法解析了預(yù)聚體的結(jié)構(gòu)特征及雙鍵的含量;No plugging in evaporator happens during distillation of TDI from prepolymer. 合成的預(yù)聚物在分離過(guò)程中未見(jiàn)堵塞設(shè)備現(xiàn)象。In this paper, we adopt prepolymer method to synthesize casting PU elastomer. 本文采用預(yù)聚物法合成澆注型聚氨酯彈性體。An emulsive adhesive for wood edge splice was made of a grafted copolyemer PVAc and an isocyanate prepolymer. 本文采用接枝共聚改性聚醋酸乙烯乳液和制備異氰酸酯預(yù)聚體生產(chǎn)出集成材工業(yè)用拼接膠粘劑。 返回 Prepolymerize