异氰酸

Its melting point is in the range of 40 deg.C-60 deg.C, and is dependent on the molecular weight of PCL and the mole ratio of PCL and EO, and its restorable deformation temperature is room temperature to 60 deg.

一种具有形状记忆功能的以聚为软段的聚氨酯，它用双羟基的聚与二异氰酸酯、小分子二醇反应而成。

The reactions that isocyanate reacted to cellulose, semicellulose, lignin, and water in timber to form the urethane and urea are basic knowledge for the adhesion of isocyanate-terminated polyurethane resins to wood. It has significant meaning to understand that different quantity of urethane and urea affect the strength of adhesive bond.

异氰酸酯基与木材中的纤维素、木素、半纤维素和水在一定条件下生成氨基甲酸酯和取代脲的反应是聚氨酯胶粘剂与木材胶接的基础反应，研究氨基甲酸酯和取代脲的生成量对胶接强度的影响具有积极的理论意义和实践指导价值。

Paper wet-strength agent ; isocyanate ; synthetization ; paper sheet strength

造纸湿强剂；异氰酸酯；合成；纸页强度

In this paper,the toluene -2,4-diisocyanate and trimethylol-propane are usedto synthetize curing agent for polyurethan.

本文用2，4－甲苯二异氰酸酯和三羟甲基丙烷为原料合成聚氨酯固化剂，用该固化剂固化含羟基的树脂。

The invention provides a method for preparing an epoxy sheet-like mold plastic, which comprises the following steps: thickening the mixed epoxide resin system with diisocyanate compound; strengthening the chopped strand; making the tectorial into non-stick hand and shear epoxy sheet-like mold plastic, that is, preparing the epoxide resin paste and the epoxy sheet-like mold plastic; ripening.

本发明提供的制备环氧片状模塑料的方法是：采用二元异氰酸酯化合物对混合环氧树脂体系增稠，短切纤维增强，覆膜制备成不粘手可剪切的环氧片状模塑料；该方法包括环氧树脂糊的制备、环氧片状模塑料的制备和熟化步骤。

A series of modified polyurethane elastomer materials with different amino siloxane content were synthesized,which were based on polyoxypropylene glycol,aminoethyl aminopropyl poly,toluene diisocyanate and the curing agent dimethylsulfide toluylenediamine.

以聚氧化丙烯二醇或聚氧化丙烯三醇、氨乙基氨丙基聚二甲基硅氧烷、甲苯二异氰酸酯为原料在无溶剂条件下制备预聚体，利用二甲基硫甲苯二胺为固化剂合成一系列氨基硅油改性聚氨酯弹性体材料，并对材料的力学性能、耐热性、表面水接触角等性能进行了测试。

To improve water resistance of starch adhesives, tolylene diisocyanate and epichlorohydrin were used as cross linking agents.

以甲苯二异氰酸酯和环氧氯丙烷为交联剂，对氧化淀粉进行两步交联改性，提高了淀粉胶黏剂的耐水性。

Glycerol polyether 3010, tolylene diisocyanate , 1,4-butanediol and catalysts are used as raw materials to preparecasting polyurethane elastomer in one step.

以聚醚多元醇3010，甲苯二异氰酸酯，1，4-丁二醇和催化剂为原料，采用一步法来制备浇注型聚氨酯弹性体。

ATH surface was chemically bonded in sequence by tolylene diisocyanate, alkyl phenolic-formaldehyde resin and acrylonitrile-butadiene rubber.

采用表面原位化学组合改性的方法，在Al3表面顺序经原位化学反应结合上甲苯二异氰酸酯、烷基酚醛树脂、丁腈橡胶等界面改性剂。

Amine terminated polyurethane resin has been synthesized with diethylene triamine and isocyanate terminated polyurethane resin mentioned above.

4利用二乙烯三胺和自制的端异氰酸酯聚氨酯预聚物合成端氨基聚氨酯树脂。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。