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with metallocene
相关语句
  茂金属
     The synthesis of oligomer from 1-decene with metallocene catalyst(n-Bu)Cp2ZrCl2/MAO was studied.
     用均相茂金属催化剂(n-Bu)Cp2ZrCl2/MAO对1-癸烯的齐聚合进行了研究。
短句来源
     AN ORGANOMETALLIC TCNQ CHARGE-TRANSFER SALT WITH METALLOCENE
     含茂金属的金属有机TCNQ电荷转移盐
短句来源
     Ethylene/Hexene Copolymerization with Metallocene/ZieglerNatta Combined Catalyst
     茂金属/Ziegler-Natta复合催化剂催化乙烯/己烯共聚合
短句来源
     The developmentof the new hydrogenation process with metallocene catalyst under low pressure was presentedand the research and development of SIS in China were also discussed.
     综述了SIS在胶黏剂应用上的特点以及以茂金属为催化剂的SIS新低压加氢工艺的进展和国内SIS发展现状, 提出了大力开发 C5 资源促进我国SIS产业发展的建议。
短句来源
     Thermal degradation of two linear low density polyethylenes (PE-LLD) prepared with metallocene and Ziegler-Natta catalyst,respectively,containing a photosensitizer was investigated.
     研究了光敏剂钴化合物存在时茂金属催化剂和Ziegler Natta催化剂生产的线形低密度聚乙烯 (m PE LLD和PE LLD)的热降解行为 ,测定了降解后产品的熔体流动速率、红外光谱和氧化诱导温度。
短句来源
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  “with metallocene”译为未确定词的双语例句
     Study on Polymerization of ethylene with metallocene Homogeneous Catalysts
     金属茂均相催化剂用于乙烯聚合的研究
短句来源
     Preparation of sPS/Montmorillonite Nanocomposites via Styrene Syndiotactic Polymerization with Metallocene
     茂钛催化剂苯乙烯原位间规聚合制备sPS/蒙脱土纳米复合材料
短句来源
     Polymerization of Ethylene with Metallocene Supported on Montmorillonite
     蒙脱土为载体的茂金属催化剂催化乙烯聚合
短句来源
     Advances in copolymerization of ethylene/propylene with metallocene catalysts
     茂金属催化乙丙共聚进展
短句来源
  相似匹配句对
     METALLOCENE POLYOLEFIN
     茂金属聚烯烃
短句来源
     Fibers of Metallocene Polyolefines
     茂金属催化聚烯烃纤维
短句来源
     Polymerization of ethylene with metallocene-Z/N catalyst
     茂金属—Z/N催化体系乙烯聚合研究
短句来源
     Development of Metallocene Polyolefin with Metallocene Catalyst
     茂金属聚烯烃的进展
短句来源
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  with metallocene
It compensates the MAO losses occurring both by the incomplete decantation of MAO solution and by the reaction with metallocene complex or impurities.
      
A novel in vitro, anticalcification process based on treatment of porcine and human heart valves with metallocene dichlorides, as well as with amino acids (phenylalanine, aspartic acid, glutamic acid), has been developed.
      
LLDPE's grown with Metallocene and Ziegler-Natta catalysts: events in the melt and FTIR analysis
      
A series of high density polyethylenes (HDPE) were synthesized via homogeneous polymerization with metallocene catalyst in two different reactors (glass and stainless steel).
      
Thermal and Mechanical Properties of Polyethylenes Synthesized with Metallocene Catalysts
      
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This article discusses the difference between metallocene catalyst and traditional Ziegler-Natta catalyst,addresses the characteristics and industrial development status of metallocene catalyst.In addition,it introduces in details the recent trends of polyolefin production with metallocene catalyst in foreign countries.Finally some important suggestions on how to develop metallocene catalyst in our country are put forward.

讨论了茂金属催化剂和传统Ziegler-Natta催化剂的差别,论述了茂金属催化剂的特点和工业发展现状,详细介绍了国外应用茂金属催化剂生产聚烯烃的新动向,最后对我国发展茂金属催化剂提出了重要建议。

Syndiotactic polystyrene was synthesised with metallocene catalysts activated bymethylaluminoxane(MAO) and trimethylaluminum (TMA ). The catalytic efficlency (C. E. )for syndiospecific styrene polymerization was compared with different η5-cyclopentadi-enyltrialkoxy titanium [CpTi (OR)3]. η5-Cyclopentadienyltripropoxy titanium [CpTi (O-n-Pr)3]/MAO/TMA catalyst has a exceedingly high value of C. E. = 4 × 104 g PS. (g Ti)-1.The catalytic efficiency of the catalyst and the molecular weight and syndiospecificity...

Syndiotactic polystyrene was synthesised with metallocene catalysts activated bymethylaluminoxane(MAO) and trimethylaluminum (TMA ). The catalytic efficlency (C. E. )for syndiospecific styrene polymerization was compared with different η5-cyclopentadi-enyltrialkoxy titanium [CpTi (OR)3]. η5-Cyclopentadienyltripropoxy titanium [CpTi (O-n-Pr)3]/MAO/TMA catalyst has a exceedingly high value of C. E. = 4 × 104 g PS. (g Ti)-1.The catalytic efficiency of the catalyst and the molecular weight and syndiospecificity ofpolystyrene were affected by catalyst composition and concentration, monomer concentra-tion, polymerization temperature and time. The optlum conditions of polymerization ofstyrene for [CpTi(O-n-Pr)3]/MAO/TMA catalyst are Al/Ti (molar ratio) = 1000, tempera-ture about 60 C, high styrene concentration (>2. 4 mol/L) and c(Ti) = 0. 14 mmol/L formaximum activity or c(Ti) = O. 18 mmol/L for maximum yield- The sPS was separated frompolymerization product by extraction with boiling butanone for 8 h, the yield of sPS over95 %.

比较了几种庞钛化合物/甲基铝氧烷/三甲基铝均相催化剂的苯乙烯间规聚合,认为茂基三正丙氧基钛[CpTi(O-n-Pr)3]是苯乙烯间规聚合的良好催化剂[催化效率:ωPs·ωTi-1=4×104g·g-1].探索了催化剂浓度、单体浓度、聚合温度和时间对苯乙烯聚合的影响.聚合反应产物用佛丁酮萃取,沸丁酮不可溶级分大于95%,经13CNMR分析该级分为间规聚苯乙烯.

Syndiotactic polystyrene ( sPS) produced with metallocene catalyst is a novel crystalline polymer that possesses excellent electronic/electric properties and good abilities to resist heat and chemicals. Having a reasonable performance/price ratio, sPS is very competitive in the market compared with other engineering plastics. The features and application prospect of sPS have been introduced in present paper in details.

用茂金属催化剂制得间规聚苯乙烯(sPS)是一类新型结晶聚合物,具有优良的耐热性、耐化学性和电气性能。综合考虑价格/性能因素,sPS在工程塑料的应用市场上具有很强的竞争力。本文对sPS的特性及应用景景作一简要介绍。

 
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