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- block copolymer of propylene 嵌段共聚聚丙烯
- 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。
- This paper introduces the development and the means of the synthesis of star block copolymer of styrene/isoprene/butadiene(S/I/B) . 介绍了近年来的苯乙烯/异戊二烯/丁二烯(S/I/B)星型嵌段聚合物的发展与研制方法。
- 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。
- Emphasizing the means of synthesis of star block copolymer of SIB,IB,IBI,SIS, and it is advanced that the anionic polymerization of star block copolymer is promising. 重点评述了星型嵌段聚合物SIB、IB、IBI、SIS的研制方法,提出应用阴离子聚合方法合成星型聚合物的巨大潜力以及目前的任务。
- Graft copolymer of acrylic acid (AA) onto styrene-butadiene-styrene (SBS) block copolymer was synthesized by using benzoyl peroxide (BPO) as initiator , toluene as solvent Its structure of graft reaction were investigated with infrared spectrum . 以过氧化苯甲酰(BPO)为引发剂,甲苯为溶剂,进行了丙烯酸(AA)与SBR的接枝共聚反应,合成了主链为SBS,支链为聚丙烯酸(PAA)的接枝共聚物(SBS-g-AA)。 其结构已被红外光谱分析所证实。
- controlled-theological impact copolymer of propylene and ethylene 可控流变抗冲共聚聚丙烯
- block copolymer of polypropylene and butadiene 丙烯/丁二烯嵌段共聚物
- The block copolymers of PSt-b-PBA and PSt-b-PAA werecharacterized by FTIR, GPC and 1H-NMR. 利用FTIR、GPC、1H-NMR等检测手段对PSt-b-PBA与PSt-b-PAA了进行表征。
- The block copolymers of poly( butylene succinate)(PBS) and poly (ethylene terephthalate)(PET) were synthesized by a melting process at different times. 并将聚丁二酸丁二醇酯（PBS）同聚对苯二甲酸乙二醇酯（PET）在不同温度下熔融共混。
- The block copolymers of poly(butylene succinate)(PBS) and poly(ethylene terephthalate)(PET) were synthesized by a melting process at different times. 并将聚丁二酸丁二醇酯(PBS)同聚对苯二甲酸乙二醇酯(PET)在不同温度下熔融共混。
- 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;
- The SBS block copolymer is one kind. SBS嵌段共聚物就是一种。
- Both AB and ABA types block copolymers of PSt-PEO were characterized by NME, IK, UV, DSC and their bulk properties investigated by X-ray dif-fraction polarization microscopy and DSC. 通过含一个端羟基的AB嵌段共聚物与偶联剂甲苯二异氰酸酯反应制得ABA型嵌段共聚物。 二种共聚物均经纯化,并用NMR、IR、UV、DSC、偏光显微镜及X-射线衍射法表征,且与均聚物的混合物比较。
- Nitrile is a copolymer of butadiene and acrylonitrile. 腈是一种丁二烯与丙烯腈的共聚物。
- It is shown by recent published literature that the so-called BC-8 block PP is not a block copolymer indeed but a polymer alloy which consists of homopolypropylene,EPR and polyethylene with a few propylene segments. 近年结构分析结果发现BC - 8嵌段聚丙烯并非嵌段物 ,而是由均聚聚丙烯、EPR(乙丙橡胶 )以及聚乙烯 (链上有少量丙烯单元但并非嵌段物 )三者组成的高分子合金。
- random copolymer of propylene 无规共聚聚丙烯
- S/B block copolymer was characterized by GPC, 1H NMR, IR, DSC. 透射式电镜能明显地观察到聚合物的微观相分离结构。
- copolymer of propylene 共聚聚丙烯
