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- 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”。
- 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。
- 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。
- controlled-theological impact copolymer of propylene and ethylene 可控流变抗冲共聚聚丙烯
- 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。
- random copolymer of propylene 无规共聚聚丙烯
- block copolymer of propylene 嵌段共聚聚丙烯
- copolymer of propylene 共聚聚丙烯
- 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。
- ACR is a copolymer of methyl methacrylate with acrylate. ACR是一种甲基丙烯酸甲酯与丙烯酸酯类的共聚物。
- This reagent can analyze the mixture of propylene and ethylene efficiently. 这种试剂能够有效分离丙烯和乙烯的混合物。
- 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。
- A new process of Hydration of propylene oxide to glycols was introduced. 采用反应精馏新工艺由环氧丙烷水合制丙二醇。
- Synthetic rubber (SBR) is a copolymer of butadiene (75%) and styrene (25%). 合成橡胶（SBR）是丁二烯（75%25）和苯乙烯（25%25）的共聚物。
- The polymeric shell is a copolymer of a vinylidene chloride and acrylonitrile. 该聚合体外壳是偏二氯乙烯与丙烯腈的共聚物。
- Novel Technology for Synthesis of Propylene Oxide Using Cumene Hydroperoxide as Oxidant(Cont. 用异丙苯过氧化氢作氧化剂合成环氧丙烷的新技术(待续)
- Progress in Production Technology of Propylene Oxide with Molecular Oxygen as Oxidant(Cont. 用分子氧作氧化剂生产环氧丙烷的工艺进展(待续)
- How can I persuade you of my sincerity? 我如何能够让你相信我的诚意？
- There is a vein of melancholy in his character. 他的性格中有少许忧郁的气质。
