condensation polymerization

Small Molecular Motivation to Condensation Polymerization and Its Thermodynamic Significance

缩聚反应的小分子驱动及其热力学意义

In condensation polymerization , each monomer unit must have at least two functional groups .

在缩聚反应中，每个单体至少要有两个官能团；

Development and trends of pet solid phase condensation polymerization process

聚酯固相缩聚技术进展

A Study of the Catalytic Condensation Polymerization Process of Unsaturated Polyester

不饱和聚酯催化缩聚工艺研究

Rotary inertia of the reactor tank for solid state condensation polymerization

固相缩聚反应釜的转动惯量及其功率分析

Influence of initial functional group concentration on average degree of polymerization in equilibrium condensation polymerization

平衡缩聚反应中起始官能团浓度对平均聚合度Xn的影响

Direct Synthesis of Polyurethane Cross-Linking Network Material by Condensation Polymerization From Lactic Acid

由乳酸直接缩聚合成聚氨酯交联网络材料

Study on the thermal behavior of solid state condensation polymerization of pet and PET bottle

固相聚合PET及饮料瓶的热性能研究

Investigation on the synthesis of low molecule weight polylactic acid by direct condensation polymerization

直接缩合法合成低分子量聚乳酸的研究

Synthesis of poly ( dl lactic acid ) by direct condensation polymerization

直接缩合法合成聚乳酸

Production of nylon 66 in continuous condensation polymerization

用连续缩聚法生产尼龙66

The methods of producing biodegradable materials ? PLA by the direct condensation polymerization was studied .

本文研究了典型的逐步聚合反应即缩聚反应制备可生物降解材料聚乳酸的方法：聚合单体乳酸具有羧基和羟基双官能团，属2官能度体系，符合线型缩聚原料的首要条件。

Study on solid-state condensation polymerization of pbt / pet

聚对苯二甲酸丁二酯/聚对苯二甲酸乙二酯固态缩聚的研究

The mechanism is a kind of positive ion condensation polymerization reaction which is catalyzed by proton .

沥青树脂的反应机理为质子引发下的阳离子型缩聚反应。

Synthesis of Polylactides by Direct Condensation Polymerization Catalyzed by Rare-earth Oxide

稀土氧化物直接法催化合成聚乳酸

The formulation . process flow and conditions in the production of nylon 66 with continuous condensation polymerization are introduced .

介绍用连续缩聚法生产尼龙66的配方，工艺流程及条件。

Condensation Polymerization of 2,4,6-Tribromophenol in an Aqueous Solution System

2，4，6－三溴苯酚在水溶液体系中的缩聚反应

The PET-PEG copolymers with different PEG molecular weight were synthesized through condensation polymerization .

通过共缩聚反应合成了不同PEG分子量的PET－PEG共聚脂，采用DSC法测定了共聚物的结晶性能、结晶速度。

Influence of the reaction conditions on the condensation polymerization at the presence of DBTL was discussed .

讨论了二月桂酸二丁基锡催化剂存在下反应条件对缩聚反应的影响。

A sort of special polyester resin which can be used for weather-resistance powder coating is synthesized by means of condensation polymerization method .

采用缩聚法研制出耐候性粉末涂料专用聚酯树脂。

Microcapsules of Phthalocyanine Green G with urea-formaldehyde resin wall were prepared by in-situ condensation polymerization reaction with acid catalyzer .

用原位聚合法制备以脲醛树脂为壁材的酞菁绿G颜料微胶囊，采用了酸催化下的缩聚反应工艺。

In condensation polymerization process of PCF resin , it was non-linear relations between rising rate of molecular weight and rising rate of viscocity .

PCF树脂在缩聚过程中，分子量增长速度与粘度增长速度不呈线性关系。

There are two main methods to synthetizing PLA , ring-opening polymerization of lactide and condensation polymerization of lactic acid .

聚乳酸的合成主要有两种方法：丙交酯的开环聚合和乳酸直接缩聚。

A polymer-forming reaction involving elimination of a small molecule such as water or alcohol between monomer units is described as condensation polymerization .

一个涉及在两个单体单元之间消除一个小分子（例如水或醇）形成聚合物的反应被称为缩聚反应。

The results show that high-molecular weight PLA can be prepared by the direct melt condensation polymerization at suitable technological condition and the product has good biodegradability .

结果表明：采用适当的工艺能通过熔融缩聚法制备出高分子质量的聚乳酸，且具有良好的生物降解性能。

Chitosan-poly ( lactic acid ) copolymer ( CS-LA , CL ) was synthesized by thermal condensation polymerization .

本文通过热缩聚法合成了壳聚糖（CS）-聚乳酸（PLA）的接枝共聚物（CL）。

Transparent polyester varnish is prepared through alcoholysis , esterification , condensation polymerization and et al with waste polyester drink bottles as materials .

叙述了以废聚酯饮料瓶为原料，经过醇解、酯化以及缩聚等工艺过程，制成透明聚酯清漆。

It also shows that methylamide can restrain the hydrolysis of alcohol salt , increase the rate of condensation polymerization and keep the film from dry crack .

甲酰胺可以抑制醇盐水解，提高缩聚速率并避免薄膜干燥开裂。

The results showed that UPC & 1 was the optimal catalyst for condensation polymerization , Its adding amount was 0.30 % ~ 0.3 % of the reaction mass .

研究结果表明：UPC&1为缩聚反应的最佳催化剂，其用量为总投料量的0.30～0.35%。

Degradability of Poly (ε - caprolactone ) Bearing Pendant Carboxyl Groups In condensation polymerization , each monomer unit must have at least two functional groups .

含侧羧基官能团的聚（ε-己内酯）降解性能的研究在缩聚反应中，每个单体至少要有两个官能团；