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- Structure and properties of the special random copolymer of propylene(PPR) for pipe were studied by NMR,XRD,DSC and GPC and compared with imported samples. 采用核磁共振(NMR)、X衍射仪、差示扫描量热法(DSC)、凝胶渗透色谱(GPC)等分析技术对无规共聚聚丙烯(PPR)管材专用料的结构和性能进行研究,并且与国外料进行了对比。
- random copolymer of propylene 无规共聚聚丙烯
- Trace water in the initiator system is an important factor which affects the initiating terminal group structure and the performance of the random copolymer of ethylene oxide and propylene oxide. 引发体系中的微量水分是影响环氧乙烷环氧丙烷无规聚醚起始端基结构,并进一步影响其分子量和使用性能的重要因素。
- The copolymer of propylene with a small amount of butene was prepared by heterogeneous Ziegler?Natta catalyst. 用负载型Ziegler-Nata催化剂合成了丙烯同少量丁烯的共聚物,考察了单体进料比对催化活性的影响,发现此体系存在“共单体效应”。
- The spherical CaCO3 compounds with even size are synthesized in the sodium salt solution of the amphiphilic random copolymer of acrylic acid and styrene. 在苯乙烯-丙烯酸无规共聚物的钠盐水溶液中合成了尺寸均一的球形碳酸钙复合物。
- The experimental results demonstrate that in the impact specimen there exists a multiphase system comprising homopolymer of propylene, diblock copolymer of propylene and ethylene -propylene, ethylene-propylene rubber (EPR) and homopolymer of ethylene. 实验结果表明:抗冲PP是一个含有PP均聚物、丙烯与乙烯-丙烯两嵌段共聚物、乙丙橡胶(EPR)、聚乙烯均聚物等的多相体系。
- INITATING TERMINAL GROUP STRUCTURE CONTROL OF RANDOM COPOLYMER OF ETHYLENE OXIDE AND PROPYLENE OXIDE 环氧乙烷环氧丙烷无规聚醚短碳链起始端基结构控制
- Control of Double-Bond Value of Random Copolymer of Ethylene Oxide and Propylene Oxide 高速纺丝油剂用无规聚醚双键含量研究
- controlled-theological impact copolymer of propylene and ethylene 可控流变抗冲共聚聚丙烯
- A new type of surface sizing agent ,which is the random copolymers of styrene and maleate ester,is synthesized in the medium of ethyl acetate with various ration of the monomers. 根据高分子分子设计原理,以苯乙烯、马来酸单丁酯、顺丁烯二酸酐为原料,在乙酸乙酯中进行共聚,经过蒸除溶剂、中和后制备出苯乙烯马来酸单酯共聚物乳液表面施胶剂。
- A kind of composite material was prepared through filling propylene random copolymer (PPR) with bagasse fiber that was subject to surface treatment by silane. 利用硅烷处理的甘蔗渣纤维填充无规共聚聚丙烯制备了复合材料,研究其力学性能与相态结构。
- Ethylene propylene random copolymer(PP-R)is a thermoplastic with many desirable properties including low cost,good processability and balanced mechanical properties. 乙烯丙烯无规共聚聚丙烯(PP-R)因具有均衡的力学性能及良好的综合性能,成为近年通用聚烯烃材料研究的热点。
- Keywords high melt strength polypropylene;copolymer of propylene;foam material;high foamability;blending; 高熔体强度聚丙烯;共聚聚丙烯;泡沫材料;高发泡倍率;共混;
- Nitrile is a copolymer of butadiene and acrylonitrile. 腈是一种丁二烯与丙烯腈的共聚物。
- Characterization and polymerization of random copolymer of acrylic acid-methyacrylate 丙烯酸-丙烯酸甲酯无规共聚物的聚合及表征
- block copolymer of propylene 嵌段共聚聚丙烯
- copolymer of propylene 共聚聚丙烯
- Ethylene - Propylene Random Copolymer 乙丙共聚物
- Abstract: The random copolymerization of propylene and ethylene with a supported titanium contained Ziegler-Natta catalyst has been studied. 摘要: 以载体型钛系齐格勒-纳塔催化剂进行了丙烯和乙烯无规共聚合的研究。
- 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。