共缩聚

对乙酰氧基苯甲酸与含磺酸基PET离聚物通过熔融共缩聚反应，获得一系列不同离子含量的液晶离聚物。

A series of polyester based liquid crystalline ionomers ( LCI ) with various sulfonate group content were prepared from p acetoxybenzoic acid and sulfonated PET ionomers through melt copolycondensation .

PEN-PET共缩聚动力学研究

Study on copolycondensation kinetics of PEN-PET

NMR分析可判定共缩聚物的嵌段程度。

NMR analysis could decide for the block degree of copolycondensate .

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。

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

焦油酚-苯酚甲醛（PCF）共缩聚树脂的合成

The Synthesis of Co-Polymerization Resin of Tar-Phenol-Phenol-Formaldehyde

采用DMT与BD、EG共缩聚的方法制取的共聚酯是无规共聚酯。

The copolymer manufactured by DMT Copolymerized with BD and EGis belonged to the random copolyester .

合成方法对共缩聚PPTA比浓对数粘度的影响

Effect of synthesis process on reduced inherent viscosity of PPTA

PPTA共缩聚改性研究现状

Status of research on modification of PPTA by copolycondensation

PUF共缩聚树脂的合成及其性能研究

Study on Synthesis and Properties of Co-condensated PUF Resin

该共缩聚型聚酰亚胺在非质子强极性溶剂中均具有良好的溶解性，玻璃化温度（Tg）大于250℃，10%的热分解温度（Td）为5197℃。

The copolyimide was very soluble in strong polar aprotic solvents . Its glass transition temperature was above 250 ℃ and 10 % thermal decomposition temperature was 519.7 ℃ .

本文采用PET（PEB60）和低分子量的PET熔融共缩聚，制备PET&PET（PHB60）共缩聚物。

In this paper , the block PET-PET ( PHB60 ) copolycondensate was prepared by using melt condensation from PET ( PHB60 ) copolyester and low molecular weight PET .

改善对位芳纶（PPTA）性能的有效方法是在聚合体系中加入第三第四单体进行共缩聚改性。

Copolycondensation by adding third or fourth monomer into the polymerization system is an efficient way to improve the properties of PPTA .

结果表明PET和PET（PHB60）在熔融时可发生分子链间酯交换，得到有一定嵌段性的共缩聚物；

The results show that the block PET-PET ( PHB60 ) copolycondensate was obtained duto in melt blending exists transesterification reaction between molecular chains of PET and PET ( PHB60 ) .

采用热重分析法（TG）对MUF共缩聚树脂的耐热性能进行评价，重点比较了固化剂、贮存时间、样品状态等条件对MUF树脂耐热性能的影响。

Use TG to investigate heat-resistant quality of MUF resin , and the effect of curing agent , storage time , sample state on that was mainly studied .

借助NMR、DSC、热台偏光显微镜对PET&PET（PHB60）共缩聚物的嵌段性、聚集态进行了研究。

The block property and aggregative state of PET-PET ( PHB60 ) copolycondensate have been investigated by means of various techniques , such as NMR , DSC , polarizing microscope , etc.

本文采用正交试验法，主要探讨了焦油酚－苯酚－甲醛共缩聚树脂的原料配比及合成工艺，并借助凝胶色谱（GPC）仪测定了焦油酚的平均分子量。

In this paper , the formation and synthesis process of tar-phenol s-phenol-formaldehyde co-polymerization resin was investigated by orthogonal method , and average molecular weight of tar-phenol was determined by means of gel penetration chromatograph ( GPC ) .

对苯二甲酸二甲酯（DMT）.3.5－间苯二甲酸二甲酯苯磺酸钠（SIPM）通过与乙二醇的酯交换及熔融共缩聚反应，得到了一组不同离于含量的离聚物。

A class of polyester ionomers with various contents of sulfonate group were prepared from dimethyl terephalate ( DMT ) and dimthyl ( sodiosulfo ) phathalate ( SIPM ) by ester-exchange reaction and then melt co-polycondensation .

研究结果表明，甲基硅树脂、硅胶、铝胶通过共缩聚反应在PC板表面形成带有机基团的无机交联网络结构，基本骨架由Si-O-Si，Si-O-Al，Al-O-Al组成；

The results show that the cross-linked inorganic structure endcapped with organic groups on the PC forms by the co-condensation reaction between methylsilicone , boehmite and silica sols , whose base backbone is Si-O-Si , Si-O-AI , AI-O-AI network structure .

染料单体的活性基团对溶液共缩聚反应的影响

Effects of Active Groups of Monomeric Dyes on Solution Copolycondensation Reaction

PHB/PET/VA三元共缩聚反应机理探讨

Studies on PHB / PET / VA Copolycondensation Reaction Mechanisms

尿素-三聚氰胺-甲醛共缩聚树脂应用进展

The Review of Urea-Melamine - Formaldehyde Co - condensed Resin

共缩聚型聚酰亚胺模塑粉的合成与性能研究

Study on synthesis and properties of copolycondensation polyimide molding powder

共缩聚物序列结构的~1H-NMR研究

Study on sequence structure of copolycondensation polymer by ~ 1H & NMR

淀粉-乳酸直接共缩聚产物的表征

Characterization of the products of direct co-polycondensation of starch with lactic acid

苯乙酮-环己酮-甲醛共缩聚树脂的合成研究

Study on Synthesis of Acetophenone - Cyclohexanone - Formaldehyde Resin

啤酒瓶用共缩聚PET/PEN的研究

Study of Copolycondensate PET / PEN for Beer Bottle

苯酚焦油酚甲醛共缩聚树脂反应机理的研究

Study on the Reaction Mechanism of Phenol-Crue Cresols-Formaldehyde ( PCF ) Co-Condensation Resins

提出了一种多元共缩聚树脂胶粘剂。

This paper introduces a polybasic polycondensated resin adhesive .

不饱和聚酯-环氧树脂嵌段共缩聚型光敏预聚物的合成

Studies on the synthesis of unsaturated polyester-epoxy resin block copolymer type photosensitive prepolymers

对位芳香族聚酰胺共缩聚工艺研究

Study on the Copolymerization Process of Para-Aromatic Polyamide