Rheological properties of ethylene propylene diene monomer melt by measuring melt flow index Studies on the determination of the rheological parameters and the first normal stress difference of polyethylene fusion by the fusion index instrument

The results show that the type of diene monomer used, molecular weight distribution, and propylene content in EPDM have remarkable effect on the curing speed of the blends, crosslinking degree, and thermal decomposition temperature as well as the service-life of the EPDM/ CIIR vulcanizates.

EPDM的第三单体、分子量分布、丙烯含量等因素会直接影响并用胶料的硫化速度、交联度和热分解温度，进而影响EPDM/CIIR硫化胶的使用寿命等热氧老化性能。

The mechanism of toughening and reinforcing of superfine wollastonite particle and the effect of superfine wollastonite amount on the mechanical properties of polypropylene ( PP)/ ethylene propylene diene monomer ( EPDM) system were studied.

探讨了超细硅灰石增韧、增强的机理，研究了超细硅灰石用量对PP-EPDM体系力学性能的影响。

EPDM ( Ethylene Propylene Diene Monomer) is used as the insulation on chamber wall of SPRM. It is a good protective material of charring type. During being heated it formed the charring and pyrolytic layers.

作为固体火箭发动机燃烧室壁面绝热层的EPDM是一种炭化型热防护材料，受热时形成炭化层和热解层，在燃气和粒子冲蚀下不断减薄并带走热量，有效地保护燃烧室壁。

A novel ultra-fine full-vulcanized styrene butadiene rubber powder ( UFPSBR)/ ethylene propylene diene monomer ( EPDM) blends were prepared. The morphology, dynamic property, curing property and mechanical properties of the blends were discussed in details.

制备了超细全硫化粉末丁苯橡胶（UFPSBR）/三元乙丙橡胶（EPDM）共混物，研究了其硫化特性、相态结构、动态力学性能及物理机械性能。

The graft copolymer of ethylene propylene diene monomer ( EPDM) and methyl methacrylate ( MMA) was prepared by swelling mechanochemical copolymerization in mixer.

采用直接溶胀法，在叶片混合器中以不同条件制备了三元乙丙橡胶-甲基丙烯酸甲酯接枝共聚物。

The results showed that the compatibility between nylon 6 and ethylene-propylene diene monomer rubber ( EPDM) could be improved by adding grafted EPDM. Compared to pure nylon 6, the water-absorption rate of the alloys evidently decreased and their impact strength was higher with less rigidity loss.

结果表明：接枝三元乙丙橡胶明显改善尼龙6与三元乙丙橡胶之间的相容性，合金的吸水率明显降低，在保持较高强度的同时冲击性能远远优于尼龙6，接近或超过韧性尼龙；

Improved tensile strength and elongation of ethylene propylene diene monomer ( EPDM) compounds used for wire and cable.

提高电线电缆用三元乙丙橡胶（EPDM）材料的拉伸强度和伸长率。

Properties of intumescent flame retardant ethylene propylene diene monomer/ polypropylene thermoplastic vulcanizate

膨胀阻燃三元乙丙橡胶/聚丙烯热塑性硫化胶的性能

The effects of radiation environment, radiation dose, monomer concentration and reaction temperature in terms of grafting parameters were investigated systematically.

系统研究了辐射气氛、辐射总剂量、单体浓度以及聚合反应温度对体系接枝参数的影响。

The results show that the reaction rate is in direct proportion to one power of monomer concentration and a half power of initiator concentration;

实验结果表明，在聚合反应初期，聚合反应速率与引发剂的浓度呈半级反应，与单体浓度呈一级反应；

The effects of polymerization conditions, such as initiator concentration, monomer concentration, reaction time and temperature, on grafting parameters were studied.

研究了各种聚合条件如：引发剂浓度、单体浓度、反应时间、温度等对接枝参数的影响。

The relationship between ratio of graft and cerousion concentration, monomer concentration, temperature of reaction were discussed.

讨论了接枝率与铈离子浓度、单体浓度、温度的关系；

The influencing factors such as granularity of raw materials, dosage of initiator and monomer concentration was discussed.

讨论了原料粒度、发剂用量以及单体浓度等因素对反应的影响。

High irradiation dose, monomer concentration, inflated with nitrogen increased chloramphenicol degrading efficieney;

辐照剂量高，单体浓度低和充氮，降率高；

With increasing reaction time, monomer concentration and photoinitiator content, the diameter of particles with polymer brushes increased.

含高分子刷的微球尺寸随着反应时间、单体浓度以及光引发剂用量的增加而增大。

The effects of initiator concentration, monomer concentration, starch concentration and temperature on the percentage of graft were investigated.

考察了引发剂浓度、单体浓度、淀粉浓度和反应温度时接枝率的影响。

Grafting temperature and monomer concentration were investigated.

探讨了预辐照剂量，辐照气氛，接枝反应温度以及单体浓度对接枝共聚反应的影响。

Studies on Preparation of Superabsorbent at a High Monomer Concentration

高单体浓度下自交联型聚丙烯酸盐类超强吸水剂的合成研究

It was found that conversion and molecular weight were decreased with the increase of monomer concentration.

研究发现：随单体浓度的升高，转化率和分子量同时下降。

The graft polymerization processes could be controlled by monomer concentration, UV-irradiation time and photoinitiator concentration.

接枝聚合过程可以通过改变单体浓度、紫外辐照时间以及光引发剂浓度来进行调控。