polycondensation的例句大全

Novel poly ( imino ketone)( PIK) was synthesized via palladium catalyzed polycondensation reaction. The structures of PIK were confirmed by 1H NMR, IR and elemental analysis.

以二溴化芳香酮和芳香二胺为单体，通过钯催化的胺化缩聚反应合成了新型聚合物&聚亚胺酮，其结构经1H NMR，IR和元素分析确认。

at ( 25 ± 2)℃, main products of liquid-phase polycondensation of acetone catalyzed by nta were diacetone alcohol ( daa) and mesityl oxide ( mo).

实验结果表明，NTA催化丙酮液相缩聚反应的主要产物在反应温度为（25±2）℃时，为双丙酮醇（DAA）和异亚丙基丙酮（MO）；

Model for Final Polycondensation Stage of Poly ( ethylene terephthalate) and Its Industrial Application

聚对苯二甲酸乙二醇酯生产中终缩聚反应过程模型及其工业应用

The dispersing agent MF was prepared by methylnaphthalene separated from C 10 heavy aromatic hydrocarbons, the byproduct of Tianjin Petrochemical Corporation, with sulfonation, polycondensation, neutralization and drying, and applied for dye.

以天津石化公司副产C10重芳烃（C10A）中提取的甲基萘为原料，经磺化、缩聚、中和、干燥，制得扩散剂MF，用作染料扩散剂。

Benzimidazole compounds containing flexible group-O-,-SO2-,-CO-,-CH3 were prepared successfully by solution polycondensation.

采用溶液缩聚反应，成功合成了6种苯并咪唑化合物，合成化合物引入了柔性集团-O-、-SO-2-、-CO-、-CH3等。

Also the abnormal circumstances in the production such as the abnormal DCS display, the lower liquid level control of final polycondensation autoclave, the abnormal liquid level show were judged and treated.

同时对生产中的异常情况如DCS显示异常，生产终聚釜液控制较低，液位显示异常进行了判断和处理。

The results showed that the catalyst concentration was increased and the PET polycondensation time was shortened while increasing Si content in nano-Ti/ Si composite catalyst.

结果表明：随着纳米Ti/Si复合催化剂中Si含量的增加，催化剂浓度增大，PET缩聚反应时间缩短。

It is pointed out that their technology and equipment can produce the bottle grade PET chip which is up to the certification requirement of CoCo Cola Company and have the ability of modifying the original PET production line to produce solide state polycondensation PET material.

指出，他们的技术和设备都能生产出符合可口可乐认证要求的瓶级聚酯切片，均具有对原聚酯生产线进行改造生产固相缩聚聚酯原料的能力。

Direct Synthesis of Biodegradable Material PLEG via Melt Polycondensation

熔融聚合法直接合成生物降解材料PLEG

1H NMR monitor of the polycondensation showed that TEA acted as not only acid-acceptor but also catalyst to activate BPS for nucleophilic substitution. And condensation between HCCP and BPS followed a bimolecular nucleophilic substitution ( S_N2) pattern.

核磁跟踪测试表明，HCCP和BPS进行的是双分子亲核取代反应（SN2），三乙胺（TEA）在反应中不仅作为缚酸剂，而且还起着活化BPS、促进亲核进攻的作用。

The solving methods of the blockage of EG spray pipeline in PET final polycondensation system were introduced.

介绍聚酯终缩聚反应系统的EG喷淋管线出现堵塞的处理办法。

Application of Sb family catalyst on polyester polycondensation process

锑系催化剂在聚酯缩聚工艺中的应用评价

degree of branching and molecular configuration of the hyperbranched polymers formed from abg type polycondensation

ABg型缩聚形成的超支化聚合物的支化度与分子形态

kinetic analysis for polycondensation of abg type monomers

ABg型单体缩聚反应的动力学分析

preparation of poly ( lactic acid) by direct polycondensation in azeotropic solution

溶液共沸法直接合成较高分子量的聚乳酸

curing polycondensation kinetics of multi-silanol

多元硅醇固化缩聚动力学

poly ( lactic acid)( pla) was prepared by means of direct polycondensation in azeotropic ( solution.)

采用溶液共沸法直接缩聚制备聚乳酸。

by using the direct esterification polycondensation method synthesized polytrimethylene terephthalate with higher characteristic viscosity and nucleating agent.

采用直接酯化缩聚路线合成了具有较高特性黏度、含成核剂的聚对苯二甲酸丙二醇酯（PTT）材料。

base on the increase of melt temperature as xn increases, increasing temperature step by step will be a good strategy to enhance solid polycondensation efficiency.

由于熔融温度会随着分子量的增加而增大，所以，采用逐步升温策略能够加快固相缩聚效率，其中，最佳反应温度为不造成晶相熔融的最高温度。

engineering analysis of viscosity increasing process of polyester melt polycondensation

聚酯熔融缩聚增黏过程的工程分析