polycondensation的例句大全

Polycondensation catalyst may has bad effect on polyester afterprocessing properties.

缩聚催化剂会对聚酯后加工性能产生不良影响.

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Novel controlled releasing polythiourea microcapsules were prepared from terephthaloyl diisothiocyanate and o-phenylenediamine by interfacial polycondensation.

以对苯二甲酰异硫氰酸酯和邻 苯二胺 为原料通过界面缩聚法合成了聚硫脲缓释微胶囊.

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Organic silicate is prepared by Quaternizing, Hydrosilylation addition and Balanced or Polycondensation reaction.

有机硅季铵盐是通过季铵化, 硅氢化加成和平衡或缩聚等反应制得.

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It is mainly synthesized by two chemical ways: ring-opening polymerization and direct polycondensation.

合成聚苹果酸的化学方法主要有开环聚合法与直接聚合法.

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The N-methyl-2-pyrrolidone is chosen as polycondensation media and toluene as carrier of water.

选择N - 甲基 -2- 吡咯烷酮为反应介质,甲苯为带水剂.

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Staring from D , Llactic acid , poly ( DLlactic acid ) ( PDLLA ) was directly synthesized through melt polycondensation.

以DL- 乳酸为原料, 通过熔融聚合法直接合成外消旋 聚乳酸 (PDLLA).

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The shaft seal leakage, judgement and emergency measures of the final polycondensation reactor was introduced.

介绍了终缩聚反应器轴封泄漏的现象 、 判断和应急措施.

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The esterification, polyesterification , polycondensation and the formation of diethylene glycol ( DEG ) reaction kinetic parameters were obtained.

获得了酯化反应 、 酯化缩合反应 、 缩聚反应以及二甘醇生成反应的动力学参数.

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The key equipment in polycondensation phase of non-phosgene process was emphatically introduced.

同时,介绍了 非 光气法缩聚阶段的关键设备.

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This paper introduces the application of domestic potassium-iodide in the continuous polycondensation of nylon 66.

介绍了国产碘化钾添加剂在尼龙66连续缩聚反应中的应用.

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The kinetics of nylon-1010 polycondensation at earlier stage in an open system was studied.

研究了尼龙1010盐敞开系统熔融缩聚的前期动力学.

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A novel furan resin was synthesized by polycondensation between furfuralcohol and furfural.

用糠醇和糠醛缩聚制备了新型呋喃树脂.

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The amelioration of the traditional method of the PLA melt polycondensation is also discussed.

综述了催化剂对聚乳酸熔融缩聚的影响,以及对乳酸熔融缩聚传统方法的改进.

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Ester bond can be formed through the polycondensation of hard segment monomer with uniform segment length containing amide bond and dihydric alcohol, which is a better way to prepare polyesteramide.

先制备具有均一链长的含有酰胺键的硬段单体，然后与二元醇进行缩聚反应生成酯键是制备性能良好的聚酰胺酯的较好途径。

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2, 2-Dimethylolpropionic acid is an intermediate for dyes and pesticides. It can be used to synthesize a series of esters and metal salts of DMPA and also be used to synthesize hindered phenolic antioxidants. DMPA can join polycondensation reaction as a dihydric alcohol.

2,2-二羟甲基丙酸（DMPA）是染料及农药的中间体，还可以制成一系列的DMPA的酯类和金属盐类，也可用来合成受阻酚类抗氧剂，DMPA作为一种二元醇可以参加缩聚反应。

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The Effect of Monofunctional Molecule on Molecular Weight and Its Distribution in Polycondensation Reaction

单官能团分子在缩聚反应中对分子量及其分布的影响

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The catalytic activity of the composite catalysts was evaluated based on DSC method. The results showed that the catalyst with the amorphous structure exhibited higher activity for BHET polycondensation.

采用DSC方法对所制备的催化剂的活性进行研究，结果表明，具有无定形结构的凹凸棒土复合铝、钛化合物催化剂其活性较高。

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With the consideration of all the reactions involved in the polyesterification of BHET ( bis-β-hydroxyethyl terepliathalate) such as the primary forward polycondensation reaction, its reverse reaction and the cracking reaction, a kinetic equation was derived.

考虑了对苯二甲酸乙二酯（BHET）缩聚过程的主反应、逆反应及热裂解反应，得到一个动力学方程式。

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The short axle bearing of final polycondensation reactor was damaged, the bolt was breaken, the inner wall was scratched.

终缩聚反应器短轴轴承损坏，螺栓断裂，划伤内壁。

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The PBO polymer solution was synthesized by means of polycondensation of 4,6-diaminoresorcinol ( DAR) and terephthalic acid ( TPA). At 180~ 200 ℃, the polymer starts to form liquid crystal state, and the fiber can be synthesized by using the dry-jet wet-spinning method.

采用4,6-二氨基间苯二酚（DAR）与对苯二甲酸（TPA）缩聚的方法制备PBO聚合物溶液，在180~200℃使聚合物形成液晶态，利用干喷湿纺制法制备纤维。

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