查询词典 isocyanate

Acrylic resin containing N,N-dimethyl amino group and vinyl group applicable for UV-curable and cathodic electrophoretic paint was synthesized via radical polymerization of acrylic monomers followed by modification with methacrylic oxyethyl isocyanate.

通过自由基共聚合得到丙烯酸树脂，然后用甲基丙烯酸异氰酸乙酯对其改性，合成了既带有N，N-二甲胺基，又带有乙烯基的紫外光固化阴极电泳漆基体树脂。

The alkali lignin-based rigid polyurethane foam was prepared with alkali lignin extracted from black liquor as raw materials to replace 10%~25% amount of polyether polyols and polymethylene polyphenyl isocyanate.

以造纸黑液中提取的碱木质素为原料，代替10~25的聚醚多元醇与多亚甲基多苯基多异氰酸酯合成了碱木质素基硬质聚氨酯泡沫。

Data reveal that the composite polymer network of unsaturated polyesterlpolyesterurethane(r = NCO/OH = 0.4) is superior to its counterparts from polyetherurethane or polymethylene polyphenyl isocyanate, PAPI in mechanical properties.

数据揭示了不饱和聚酯／聚附聚氨酯CPN，当r＝NCO／OH＝0.4时，它的物理力学性能优于不饱和聚酯／聚醚聚氨酯CPN或HUP／PAPICPN组成物。

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

造纸湿强剂；异氰酸酯；合成；纸页强度

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 reaction kinetics of poly urethane formation and that of trimerization of isocyanate in a system of modified by urethane were studied by FTIR.

采用傅里叶快速红外光谱技术研究了氨酯改性聚异氰脲酸酯反应体系中氨酯、聚异氰脲酸酯生成的反应动力学，结果表明，在该反应体系中，氨酯反应和异氰酸酯的三聚反应是同步发生并同步进行的，其中三聚反应是一级反应；氨酯对异氰酸酯是一级反应，对聚醚二元醇为0级反应。

Among the non-phosgene synthesis of isocyanate presented, the most promising one is the thermal decomposition of N-substituted carbamates. Unfortunately, this kind of compound is also mainly produced from phosgene or phosgene derivatives in industry.

中文摘要在目前所报导的非光气合成异氰酸酯路线中，N-取代氨基甲酸酯热裂解法是最具有应用前景的一条途径，然而这类化合物的工业化生产也是以光气法为主。

Chapter 2 Some novel Aza-Wittig regents were synthesized under mild conditions, their reaction performance was studied, and the reaction mechanism of these Aza-Wittig reagents with phenyl isocyanate was speculated.

第二章主要研究了在温和条件下一些新型的Aza-Wittig试剂的合成及其反应性能，并对新型的Aza-Wittig试剂与异氰酸苯酯的反应机理进行了推测。

A series of Bi-Zn composite oxide catalysts were prepared by coprecipitation and used for the synthesis of phenyl isocyanate by catalytic decomposition of methyl N-phenyl carbamate.

采用共沉淀法制备了一系列Bi-Zn复合氧化物催化剂并将其用于催化苯氨基甲酸甲酯分解制备苯基异氰酸酯。

It is found that the monoinsertion product can catalyze excess phenyl isocyanate cyclotrimerization to yield 〓 [24] . Secondly, we synthesized a new series of organolanthanide naphthanyl complexes 〓 and studied the reactions of these complexes with PhNCO.

为了研究配体性质对插入反应的影响，我们还合成了三个新萘基稀土有机化合物-Cp'〓Ln·THF和Cp〓Ln·THF，并研究了这些化合物与异氰酸酯的反应。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。