syndiotactic是什么意思   syndiotactic怎么读

英式:[sɪndɪəʊ'tæktɪk]    美式:[sɪndɪəʊ'tæktɪk]

syndiotactic单词基本解析:

adj.间同(立构)的,间规(立构)的
adj. [化]间同(立构)的, 间规(立构)的
adj.间同(立构)的,间规(立构)的;

syndiotactic变化用词:



syndiotactic英英释义:

syndiotactic中文词源:

syndiotactic用法和例句:

syndiotactic


SsPS-H and zinc salt of sulfonated syndiotactic polystyrene (SsPS-Zn) are shown to be effective compatibilizers for blends of sPS and polycarbonate (PC).

sPS/PC二元共混物的SEM分析表明,sPS/PC二元共混物为明显的两相结构,分散相PC的尺寸较大,DSC和DMA结果表明两组分的T_g略有靠近,表明sPS和PC有一定的相容性。


Polymorphic behavior of syndiotactic polypropylene with different heat histories

不同热历史间规聚丙烯的多晶型现象


Keywords polypropylene;syndiotactic polymer;thermal stability;melting point;heat treatment;

丙烯;间同立构聚合物;热稳定性;熔点;热处理;


The PP catalyst, the development of process technology, and features and application examples in syndiotactic PP production of mctalloccnc catalyst during the last ten-odd-year were introduced.

介绍了聚丙烯(PP)催化剂、工艺技术的进展及近十几年世界新开发的金属茂催化剂的结构、特点及用于生产间规聚丙烯的实例。


di syndiotactic polymer

双间规聚合物


High syndiotactic stereoregularity was observed and the ester size showed little influence on the microtacticity of the chains.

发现酯基的长短对规整性影响甚小, 聚合物以间规占多数。


Keywords substituted aromatic titanate complexes;polystyrene;syndiotactic polymerization;

取代芳基钛酸酯化合物;聚苯乙烯;间规聚合;


, of the syndiotactic polymerization of styrene with titanocene/methylaluminoxane(MAO)/tri(iso-butyl) aluminum(TIBA) catalyst system, were studied in detail.

实验研究表明,五甲基环戊二烯基配体的单茂钛催化体系是苯乙烯间规聚合的高效催化剂,活性可达1.26gsPS/(gTi·hr);


Conformation Transformation of Syndiotactic Polypropylene Induced by Stretching and Annealing

拉伸和退火诱导间同立构聚丙烯的构象转变


Keywords atactic polyvinyl alcohol;syndiotactic polyvinyl alcohol;blending;thermal behavior.;

无规聚乙烯醇;间规聚乙烯醇;共混;热行为;


The catalysts,cocatalysts and polymerization mechanism of syndiotactic polymerization of styrene will be discussed in this review.

本文将综述用于苯乙烯间规聚合的催化剂、助催化剂以及聚合机理。


The recent research and development in metallocene-based syndiotactic polypropylene and catalyst are described,including the structures and the catalytic properties of syndiospecific metallocene;

概述了间规聚丙烯金属茂催化剂及其树脂的研究开发进展。包括间规聚丙烯金属茂催化剂的结构及其催化性能;


Keywords media of water;olefin monomer;transitional metal complex catalyst;syndiotactic 1;2-polybutadiene;review;

水介质;烯烃单体;过渡金属络合催化剂;间同1;2-聚丁二烯;综述;


Non- isothermal crystal dynamics of syndiotactic polystyrene based on solution polymerization

溶液聚合间规聚苯乙烯非等温结晶动力学


The structure and morphology of syndiotactic polystyrene (sPS) melt crystallized in high vacuum electrostatic fields has been respectively investigated by using WAXD, DSC and SEM.

用WAXD、DSC和SEM研究了高真空强静电场下熔融结晶的间规聚苯乙烯晶体结构和形态。


The 13C-NMR characterization of polystyrene which is soluble in 2-butanone shows that some syndiotactic polystyrene segment exists in the product.

由13C-NMR表征结果表明:在以ETCA为活性剂的催化体系催化苯乙烯聚合,得到聚合产物的丁酮可溶部分中含有间规立构聚苯乙烯链段。


STUDIES ON THE ELECTRIC-INDUCED STRUCTURE AND MORPHOLOGY OF SYNDIOTACTIC POLYSTYRENE CRYSTALS

电场诱导下的间规聚苯乙烯晶体结构和形态研究


The Phase Transition of Syndiotactic Polystyrene Induced by Electrostatic Field

电场诱导间规聚苯乙烯相转变研究


The effects of polymerizing temperature and solvents on syndiotactic grade of sPP were studied.

研究了聚合温度及所用溶剂对聚丙烯间规度的影响;


Row rubber and vulcanizate properties of blends of Nickelcatalyzed high cis1,4polybutadiene and Cobaltcatalyzed high syndiotactic 1,2polybutadiene were studied.

研究了镍系高顺式 1,4 聚丁二烯与钴系高间同 1,2 聚丁二烯二元共混物的生胶性能和硫化胶性能。


Among the new fibers, new cellulosic fiber, syndiotactic PP fiber synthesized by metallocene catalyst and PTT filler will become the big competitors against the conventional fibers.

笔者认为在众多的纤维新品种中,新型纤维素纤维、茂系催化剂间规聚丙烯纤维、新型聚酯PTT纤维将成为老品种的强有力的竞争对手。


The article discussed the effects of four factors to qualities of their catalytic activities.The preliminary results indicated that the polystyrenes otained are syndiotactic polymers.

结果表明:二胍基钛二氯化物和MMAO组成的催化体系可以催化苯乙烯的立体规整聚合,得到高间同含量的聚苯乙烯。


The complex polymorphism and the structural characteristic of various crystal forms are reviewed in syndiotactic polypropylene.

综述间规聚丙烯复杂的多晶型现象以及各晶型的结构特点。


Keywords polyoctodecyl acrylate;pour point depressor;crystallinity;isotactic polymer;syndiotactic polymer;atactic polymer;

聚丙烯酸十八酯;降凝剂;结晶度;全同立构聚合物;间同立构聚合物;无规立构聚合物;


Polyacetaldehyde may exist in atactic, syndiotactic and isotactic forms.

聚乙醛可以以无规,间同和全同形式存在。


Polyacetadehyde may exist in atactic, syndiotactic and isotactic forms.

聚乙醛可以以无规,间同和全同形式存在。


Keywords polystyrene;syndiotactic polymer;single-site catalyst;metallocene catalyst;

聚苯乙烯;间同立构聚合物;单中心催化剂;茂金属催化剂;


Keywords Syndiotactic polystyrene;Catalysts;Metallocene|titanium;Review;

苯乙烯间规聚合;催化剂;茂钛;综述;


In recent ten years,great progress has been made in the field of syndiotactic polymerization of styrene.

苯乙烯间规聚合在近10年来得到迅速的发展。


Keywords metallocene catalyst;silica;load carrying ability;polymerization;syndiotactic polymer;polypropylene;

茂金属;硅胶;负载能力;聚合;间规聚合物;聚丙烯;


Keywords metallocene catalyst;syndiotactic;polypropylene;polymerization process;

茂金属催化剂;间规聚丙烯;聚合工艺;


Keywords metallocene catalyst;syndiotactic polystyrene;power consumpation of agitation;crystallization;

茂金属催化剂;间规聚苯乙烯;搅拌功耗;结晶;


Keywords m etallocene catalyst;syndiotactic polystyrene;bulk polym erization;

茂金属催化剂;间规聚苯乙烯;本体聚合;


Keywords titanocene catalyst;syndiospecific polymerization of styrene;styrene;syndiotactic polystyrene;

茂金属催化剂;间规聚苯乙烯;间规聚合;苯乙烯;


Particle morphology of syndiotactic polystyrene prepared with homogeneous metallocene catalyst

茂金属催化苯乙烯间规聚合物的颗粒形态


Metallocene Catalyst for Syndiotactic Polystyrene

茂金属间规聚苯乙烯


The cyclohexene carbonate content and the syndiotactic structure of the terpolymer increases with the increase of CHO content.

该催化剂对二氧化碳与环氧环己烷共聚的催化活性比对二氧化碳与环氧丙烷共聚的高。


The oxidation state of Ti which is catalytically active to styrene syndiotactic polymerization is trivalent state.No termination reaction occurs within the active growing cha...

配位聚合时,苯乙烯分子是按二级插入方式进入分子链的,间规序列的形成是活性链末端苯基与前来配位的苯乙烯苯基相互排斥作用的结果。


The synthesis and the crystalline structure of i|PS and s|PS had been introduced,the four polymorphic forms of syndiotactic polystyrene was reviewed in detail.

重点对高间规度聚苯乙烯的各晶型及其相互转化进行了综述。


Keywords syndiotactic polypropylene;manufacture process;application;progress;

问规聚丙烯;生产工艺;应用;进展;


syndiotactic 1

间同1


syndiotactic addition

间同加成


syndiotactic sequence

间同序列


syndiotactic configuration

间同构型


syndiotactic triad

间同立构三(单)元组


syndiotactic unit

间同立构单元


syndiotactic propagation

间同立构增殖


syndiotactic index

间同立构指数


syndiotactic polymer

间同立构聚合物


syndiotactic macromolecule

间同立构高分子


syndiotactic polyvinyl alcohol

间同聚乙烯醇


syndiotactic polymerization

间同聚合


syndiotactic placement

间同键接


syndiotactic structure

间规结构


syndiotactic polypropylene

间规聚丙烯


Keywords syndiotactic polypropylene;peroxide crosslinking;polyfunctional monomer;kinetics;

间规聚丙烯;过氧化物交联;多官能团单体;交联动力学;


Crystallization Behavior of Blends of Syndiotactic and Isotactic Polypropylene

间规聚丙烯与等规聚丙烯共混物的结晶行为


syndiotactic polystyrene

间规聚苯乙烯


Keywords syndiotactic polystyrene;modification;blending;polymer alloy;

间规聚苯乙烯;共混;改性;聚合物合金;


Keywords Syndiotactic polystyrene;Blend;Crystal form;

间规聚苯乙烯;共混物;晶型;


Keywords Syndiotactic polystyrene;Atom transfer radical polymerization (ATRP);Graft;Macroinitiator;Graft copolymer;Photo chemical reaction;

间规聚苯乙烯;原子转移自由基聚合;接枝;大分子引发剂;接枝共聚物;光化学;


Keywords syndiotactic polystyrene;polymorphic crystals;crystallized behavior;multiple melting endotherms.;

间规聚苯乙烯;多晶型;结晶行为;多重熔融峰;


Keywords Syndiotactic polystyrene;Polymorphism;Crystalline structure;Melting behavior;

间规聚苯乙烯;晶型;晶体结构;熔融行为;


Keywords syndiotactic polystyrene;sulfonation;degree of sulfonation;water uptake;proton conductivity;

间规聚苯乙烯;磺化;磺化度;吸水性;质子导电;


Keywords syndiotactic polystyrene;zinc salt of sulfonated polystyrene ionomer;blending;crystallization;

间规聚苯乙烯;磺化聚苯乙烯锌盐离聚体;共混;结晶;


Keywords Syndiotactic polystyrene;Spherulite morphology;Isothermal crystallization;

间规聚苯乙烯;等温结晶;球晶形态;


Keywords Syndiotactic Polystyrene;Metallocene Catalyst;Nascent Crystalline;Gelation;Crystallization during Polymerization;Polymerization Kinetics;Reactor Scaling-up;

间规聚苯乙烯;茂金属催化剂;原生晶;凝胶化;聚合过程结晶;聚合动力学;反应器放大;


Keywords syndiotactic polystyrene;nonisothermal crystallization;kinetics;DSC;

间规聚苯乙烯;非等温结晶;动力学;DSC;


Syndiotactic polystyrene is a newly developing crystal engineering plastic and useful for the fields of au-tomatization and electron.

间规聚苯乙烯是近年来发展起来的一种新型工程塑料,在自动化和电子工业中具有广阔的应用前景。


Development in Chemical Modification of Syndiotactic Polystyrene

间规聚苯乙烯的化学改性


Summarization on Polymorphism and Crystallized Behaviors of Syndiotactic Polystyrene

间规聚苯乙烯的多晶型和结晶行为概述


RESEARCH ADVANCE IN CRYSTALLINE PROPERTIES OF SYNDIOTACTIC POLYSTYRENE

间规聚苯乙烯结晶性能的研究进展


Among them, syndiotactic polystyrene (sPS),first reported in 1986 by Ishihara and co?workers has attracted much interest for its properties and potential applications.

随后,Ishihara 和他的研究组成员于1986年首次报道了间规聚苯乙烯,由于它优良的性能和潜在的应用价值,从而使得人们对这一领域充满了极大的兴趣。


7.Isotactic diad decreases with the increase of radiation dose.Meanwhile, atactic and syndiotactic diad increases.

随着辐照剂量的增加,全同立构含量逐渐减少,而无规立构含量和间同立构含量却逐渐增加。


Keywords non-isothermal crystallization kinetics;syndiotactic 1;2-polybutadiene;iron catalyst;differential scanning calorimetry(DSC);activation energy of crystallization;

非等温结晶动力学;间同1;2-聚丁二烯;铁系催化剂;差热扫描;结晶活化能;


Mechanical properties of blends of high cis1,4-PB and high syndiotactic 1,2PB

高顺式1,4-聚丁二烯/高间同1,2-聚丁二烯共混物的力学性能