丙烯共聚物

氟化乙烯丙烯共聚物

Fluorinated ethylene propylene copolymer

X射线衍射分析表明该成核改性使丙烯共聚物的α晶型转变为β晶型。

The α - crystalline form was transformed to β - crystalline form of propylene copolymer by nucleation modification in X - ray diffraction spectra .

本文报导了由双环戊二烯为第三单体的三元乙烯丙烯共聚物（简称EPDM）的辐射交联。

This paper reports the radiation crosslinking reaction of three-compo-nent ethylene-propylene copolymer ( EPDM ) .

利用DSC研究了乙烯含量不同的4种抗冲丙烯共聚物的等温结晶动力学。

The isothermal crystallization kinetics for four impact propylene copolymers with different ethylene contents at different crystallization temperatures were investigated by employing differential scanning calorimetry ( DSC ) .

四氟乙烯&六氟丙烯共聚物（FEP）是一种应用比较广泛的高分子材料，但由于很难找到合适的溶剂，很难得到其分子量及分子量分布。

Tetrafluoroethylene-Hexafluoropropylene Copolymers ( FEP ) is a kind of broadly used polymer materials . Because of hardly soluble in any solvent , it is difficult to obtain its molecular weight and distribution .

乙烯/丙烯共聚物（OCP）作为配制多级汽油机油常用的粘度指数改进剂，具有良好的增稠能力和抗剪切能力。

Ethylene / propylene copolymer ( OCP ) as usual improver of viscosity index ( VI ) to make up multilevel gasoline engine oil , have the well thickening ability and anti-shear property .

使用大庆中性油和国产乙烯-丙烯共聚物粘度指数改进剂研制的水杨酸盐型复合配方经卡特皮勒1G2480h试验后，顶环槽充炭率为70%，加权总评分为295；

The salicylate type compounded package used with Daqing neutral oil and domestic ethylene-propylene copolymer additive was tested on Caterpillar 1G_2 for 480 hours , resulting in a 70 % groove filling and 295 weighted total demerits ;

乙烯丙烯共聚物分子链结构的定量分析

Quantitative analysis about molecular chain structure of ethylene - propylene copolymers

由拉伸引起的聚偏氟乙烯-六氟丙烯共聚物相转变

Phase transition of poly ( vinylidenefluoride-hexaflouropropylene ) copolymer induced by stretching

低氮分散型乙烯-丙烯共聚物粘度指数改进剂的研制

Study on low-nitrogen-content dispersed type ethylene-propylene copolymer ⅵ improver

裂解-气相色谱法研究四氟乙烯-六氟丙烯共聚物热裂解

A Study of the Thermal Degradation of Poly ( tetrafluoroethylene-hexafluoropropylene ) by Pyrolysis-Gas Chromatography

乙烯含量对抗冲丙烯共聚物等温结晶行为的影响

The effect of ethylene content on the isothermal crystallization behavior of impact propylene copolymer

几种乙烯丙烯共聚物粘度指数改进剂的性能考察和比较

Some Performances Comparison on Several Viscosity Index Improvers

熔体中转变对四氟乙烯-六氟丙烯共聚物熔体流变性能的影响

Influence of the transition in the melt on the rheological behavior of fluorinated ethylene-propylene copolymer

异戊二烯和四氟乙烯-丙烯共聚物的光化学接枝反应

The photochemical graft copolymerization of isoprene tetrafluoroethylene-co-propylene

GB/T2546-1988聚丙烯和丙烯共聚物材料命名

Designation of polypropylene and propylene copolymer materials

乙烯-丙烯共聚物磺酸盐离聚物的研究&Ⅰ.乙烯-丙烯共聚物及其氯磺化反应

Study on ionomers of sulfonated ethylene - propylene copolymers I. ethylene-propylene copolymers and their chlorosulfonation

磁场作用下异戊二烯在四氟乙烯-丙烯共聚物表面的光化学接枝反应

The photochemical graft copolymerization of isoprene on the surface of TETRAFLUORO-ETHYLENE-PROPYLENE copolymer under magnetic field

分子结构对高剪切率下乙烯丙烯共聚物粘度指数改进剂流变性能的影响

Influence of Molecular Structure on the Rheological Behaviors of OCP Viscosity Index Improver at High Shear Rate

不同催化体系制备的乙烯丙烯共聚物的~（13）C&NMR研究

The ￣( 13 ) c-nmr studies on the copolymers of ethylene and propylene prepared with different catalytic systems

用差示扫描量热仪与扭辨分析检出了四氟乙烯-六氟丙烯共聚物熔体中的转变。

The transition in the melt of FEP copolymer was detected by differential scanning calorimeter and torsional braid analysis techniques .

采用高温熔融和电晕充电方法制备了由聚四氟乙烯氟代乙烯丙烯共聚物复合而成的空间电荷驻极体压电膜。

The electret hybrid film consisting of porous PTFE and Teflon FEP is prepared through co_melting method at high temperature and with corona charging .

研究了β晶型成核剂母料所用基料的种类、用量和试样制备方式对丙烯共聚物力学性能的影响。

The influences of types and contents of β - crystalline form nucleation concentrates on the mechanical properties of the modified propylene copolymer had been studied .

作为锂离子二次电池的电极粘合剂和聚合物固体（凝胶）电解质材料，聚偏氟乙烯和偏氟乙烯六氟丙烯共聚物成效显著。

PVDF and P ( VDF HFP ) serve as binder for electrodes and polymeric solid electrolyte ( SPE ) material , which play an important part in lithium ion secondary battery .

本文用钛系高效催化剂合成了四种乙烯-丙烯共聚物，测定了共聚物的单体组成、序列结构分布、分子量和结晶度。

The ethylene-propylene copolymers with various monomer ratio have been synthesized by using titanium catalyst . The composition , monomer sequence distribution , molecular weight and crystallinity for the copolymers were determined .

从粘度指数改进剂的结构因素包括分子量及分子量分布、序列分布等微观结构着手，全面分析了润滑油中常用的乙烯丙烯共聚物类粘度指数改进剂的结构对润滑油使用性能的影响。

To counter the structure factors of VII such as molecular weight , distribution of molecular weight and sequence distribution , analysed the effect of the structure of VII ( ethylene propylene copolymer ) on lube oil 's performances .

固定化酶的载体丙烯酸类共聚物的研究

Studies of Polyacrylic Copolymers as Carrier for Immobilization of Enzyme

丙烯丁烯共聚物的组成和等规度分布

Composition and tacticity distribution of propylene butene copolymer

丙烯酰胺/丙烯酸/丙烯磺酸共聚物堵水剂的合成与性能评价

Synthesis and Property Evaluation of AM / AA / ASA Terpolymer as Water-plugging Agent

以氯代钒酸酯-三异丁基铝催化体系合成丁二烯-丙烯交替共聚物的研究

Studies on the alternating copolymerization of butadiene and propylene in the presence of CHLORO-VANADATE-TRIISOBUTYLALUMINIUM catalyst system