Poly (N-vinylpyrrolidone) with carboxylic end groups and amino end groups (PNVP-NH2) were prepared by the chain transfer reaction in free radical polymerization.
利用普通自由基聚合中的链转移反应，分别制备了以羧基为端基的聚和以胺基为端基的聚(PNVP - NH2)。
Poly (ether imide) (PEI) is a modification kind of high performance polymer, which adds a ether bond to macromolecular chain of polyimide (PI).
聚醚酰亚胺(PEI)是在聚酰亚胺(PI)链上引入醚键形成的一类高聚物。
This paper studies the average molecular weight of branched chain of poly ( acrylic acid) by viscosity method. The structure of graft copolymer is also measured by IR method.
利用粘度法测定聚丙烯酸支链的平均分子量，红外光谱法分析接枝共聚物的结构。
Three new types of side chain polyviologen, using poly 4-vinyl pyridine as main chain, were synthesized and their electroredox and photoreduction behaviors were investigated.
合成了三种新型的主链为聚4-乙烯基吡啶的侧链型紫精聚合物和相应的小分子紫精，研究了它们的电还原及光还原行为。
Based on the latest literatures, the synthetic methods and the molecular chain structure of poly (o-phenylenediamine) were systematically reviewed and compared in details in this paper.
根据国内外最新文献，系统论述了聚邻苯二胺的合成方法和分子链结构。
Poly (ether imide) (PEI) is a modification kind of high performance polymer, which adds a ether bond to macromolecular chain of polyimide (PI).
聚醚酰亚胺(PEI)是在聚酰亚胺链上引入醚键而形成的一类高聚物。
UV and PL spectra showed that the adamantane modified polyfluorenes exhibited less chain aggregation in comparison with the homo-polymer poly(9,9-dihexylfluorene)(PF6).
紫外和光致发光（PL）光谱表明，改性后的聚芴比均聚物聚（9，9-二己基芴）（PF6）具有抑制的链簇集行为。
We have characterized the chain structure and their sequence distribution of poly(r-HAPD), and relative reactivity of copolymerization with a common monomer by GPC and NMR combination.
研究了r-HAPD光聚合体系共聚产物的链段结构序列分布与控制以及共聚相对反应活性等。
The radiation effect on poly (methyl methacrylate) with different tacticities was studied. It was proposed that chain scission process was in a kinetic equilibrium between scission and recombination.
本文研究了三种不同空间立构聚甲基丙烯酸甲酯的辐射效应，提出裂解过程是一种裂解与重合的动态平衡过程。
The invention discloses a star poly-(methyl)acrylate long-chain ester polymer and a preparation method thereof.
本发明公开了一种星型聚（甲基）丙烯酸长链酯聚合物及其制备方法。
The invention discloses a star poly-(methyl)acrylate long-chain ester polymer and a preparation method thereof.
本发明公开了一种星型聚（甲基）丙烯酸长链酯聚合物及其制备方法。
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