condensation polymerization

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.

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The preparing means of poly-lactic acid chiefly have immediate-condensation polymerization and the ring-open polymerization.

聚乳酸的制备方法主要有:直接缩聚法和开环聚合法.

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Cardanol-aldehyde ferric polymers were prepared by condensation polymerization with formaldehyde, n-butyl aldehyde, furfural and iron trichloride.

以溶液缩聚法,由腰果酚分别与甲醛 、 正丁醛 、 糠醛和三氯化铁制备了腰果酚醛铁聚合物.

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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

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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；

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Microcapsules of pendimethalin with a urea-formaldehyde resin wall were prepared by anon-situ condensation polymerization aqueous medium.

研究了分散、乳化条件及成囊工艺对以脲醛树脂为壁材采用原位聚合法制备二甲戊灵微胶囊状态的影响.

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Uese: Coating for the assembly line of condensation polymerization.

用途: 用于流水线涂装的漆雾凝聚.

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With SnCl 2 · 2H 2O as catalyst, low molecule weight poly ( DL lactic acid) was synthesized using the coupling apparatus of azeotropic dehydration and condensation polymerization.

DL乳酸在催化作用下，采用共沸精馏聚合耦合装置，直接缩合聚合制得低分子量聚DL乳酸。

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And that of Invent-Fischer is in the capability of producing both high quality PA-6 civil chip, and high viscosity of PA-6 chip through the solid condensation polymerization process in se-ries.

Invent-Fischer公司技术优势在于既可生产高质量的民用丝级PA-6切片，又可通过串联固相后缩聚工序生产高黏度PA-6切片。

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Coacervation paint : Can condensation polymerization quickly for the paint when construction not sediment, salvage easy.

性能: 对施工时喷出漆雾缩聚迅速,不沉底易打捞.

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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%。

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DCPD type unsaturated polyester resin prepared by using semi condensation polymerization method is proposed.

本文用半缩聚法合成双环戊二烯型不饱和聚酯树脂.

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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

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The definition, classification, mechanism and application of electrochemical polymerization are introduced in this paper. The essential difference between electrochemical condensation polymerization and electrochemical addition polymerization has been elucidated especially. In addition, a new concept of electrochemical cyano addition polymerization has been put forward.

介绍了电化学聚合反应的定义、分类、机理和应用，阐述了电化学缩合反应和电化学加成聚合反应这两大类电化学聚合反应的本质差别，另外还提出了电化学氰基加成聚合反应的概念。

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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。

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Tin powder ( Sn) was the effective catalyst on the direct condensation polymerization of lactic acid, and the molecule weight of polylactic acid could be increased by putting zeolite in the polymerization system directly.

结果表明，锡（Sn）是理想的乳酸缩合聚合催化剂，而直接将分子筛加入到聚合反应体系中可有效地提高聚合物分子量。

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Cashew shell oil-phenol-formaldehyde resin, synthesized with condensation polymerization of industrial cashew nut shell liquid ( CNSL) and formaldehyde possesses good property-price ratio for paint application.

采用工业腰果壳液（CNSL）和甲醛缩聚反应合成具有良好性价比的腰果酚甲醛树脂，并以此配制了腰果树脂漆。

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At the acid reaction stage the polycondensation reaction was primary and formed the macro-molecule system with the methylene or the ether linkage, and the polymerization formaldehyde decomposed completely, and as the form of methylene glycol participated in condensation reaction.

酸性反应阶段以缩聚反应为主，形成以亚甲基键或醚键联接大分子体系，聚合状态的甲醛已全部分解，并以甲二醇的形式参与缩聚反应；

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