One of applications of rosin in PU paint is rosin ester resin modified polyisocyanate prepolymer.
松香酯树脂改性多异氰酸酯预聚物是松香在PU涂料中应用的一个途径。
Polymethylene polyphenyl polyamine is an intermediate product of polymethylene polyphenyl polyisocyanate (MDI).
多亚甲基多苯基多胺是多苯基甲烷多异氰酸脂(MDI)的中间体。
It is made of organic diisocyanate or polyisocyanate with two hydroxyl groups or polyhydroxy compounds together with.
它是由有机二异氰酸酯或多异氰酸酯与二羟基或多羟基化合物加聚而成。
The invention is mainly prepared by crop straw, polyisocyanate or isocyanate prepolymer, water, foam kicker, foam stabilizer and foaming agent.
本发明主要由作物秸秆、多异氰酸酯或异氰酸酯预聚体、水、发泡催化剂、泡沫稳定剂和发泡剂制成。
Experimental results show that properties of PU foams made of polyether polyols and polyisocyanate(PAPI) with six functional groups are the best.
结果表明：以六官能团的聚醚多元醇和有机多异氰酸酯（PAPI）制得的PU结构泡沫力学性能最优；
Two-component polyurethane synthetic-rubber track resin slurry was prepared by polyether, chain extender, MDI-based polyisocyanate, plasticizer, filler.
以聚醚多元醇、扩链剂、异氰酸酯、增塑剂、填料等为原材料，制备了MDI型双组分聚氨酯塑胶跑道用浆料。
A polyisocyanate curing agent, which is mainly composed of toluene diisocyanate (TDI) trimer, was prepared in the presence of the base metal carboxylate K-1000.
以一种碱金属羧酸盐k - 1000作为甲苯二异氰酸酯(TDI)三聚反应的催化剂合成了以TDI三聚体为主要成分的多异氰酸酯固化剂。
The application and action mechanism of blocked polyisocyanate in fluorocarbon resin paint are intro-duced. The influence factors to bloc king agents are discussed.
介绍了封闭多异氰酸酯在氟碳涂料中的应用，以及封闭多异氰酸酯的作用机理和影响封闭剂的主要因素。
From how carry out the dispersion of polyisocyanate into polyols, the paper describes the mixing technology including force-dispersion, phase inversion, self-dispersion.
本文从如何实现多异氰酸酯在聚合物多元醇中分散的角度，综述了多异氰酸酯在聚合物多元醇中的分散技术。
The decrease in strength of sand cores can be reduced by adding an anti-moisture agent or increasing proportion of polyisocyanate in the mixture when the cores is stored up …
为减少砂芯在湿度较大环境中存放时的强度下降，可在混砂时加入抗湿剂或增加粘结剂中聚异氰酸酯的比例。
At room temperature, polyether-polybasic alcohol, polyisocyanate and so on were used as mainly materials to synthesize a series of high-hardness polyether urethane elastomers.
在室温下，选用聚醚多元醇，多异氰酸酯等材料，合成了一系列高硬度聚氨酯弹性体。
A polyisocyanate curing agent, which is mainly composed of toluene diisocyanate (TDI) trimer, was prepared in the presence of the base metal carboxylate K-1000. The reaction conditions were studied.
以一种碱金属羧酸盐k- 1000作为甲苯二异氰酸酯(TDI)三聚反应的催化剂合成了以TDI三聚体为主要成分的多异氰酸酯固化剂。对合成工艺条件进行了探讨。
A polyisocyanate curing agent, which is mainly composed of toluene diisocyanate (TDI) trimer, was prepared in the presence of the base metal carboxylate K-1000. The reaction conditions were studied.
以一种碱金属羧酸盐k- 1000作为甲苯二异氰酸酯(TDI)三聚反应的催化剂合成了以TDI三聚体为主要成分的多异氰酸酯固化剂。对合成工艺条件进行了探讨。
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