The block copolymerization of caprolactam by anionic initiator with polymeric activators is studied. 研究了阴离子引发己内酰胺与聚合物活性剂的嵌段共聚合。
Block copolymerization polypropylene ( PP1340) was chosed to produce storage battery shell and cover by injection molding through product designing, mould designing, forming techniques etc. 采用国内批量生产的嵌段共聚聚丙烯(PP1340),通过制品设计、模具设计和工艺设计,采用注射成型工艺研制出PP蓄电池壳盖。
Recent Progress in the Studies of Ceric Ion Redox Initiation Systems and Graft or Block Copolymerization Initiated with Ceric Ion 铈离子氧化还原引发体系与铈离子引发接枝或嵌段共聚合研究的新进展
The influence of t butyl and n butyl lithium initiator, butadiene and styrene ratio, coupler, butylenes oxide, mixed protective agent and fine treat on synthesis of star type block butadiene styrene copolymerization resin with transparent and impact ( abbreviation as ITPS) were discussed. 研究了以丁基锂为引发剂,在环己烷溶剂中合成抗冲及透明性颇佳的星型丁二烯-苯乙烯共聚嵌段树脂(简称为ITPS)主要的影响因素。
In the first chapter, on the one hand, the development and the present research situation of Ni(ⅳ)、 Cu(ⅲ)、 as well as the block copolymerization of PPAG 、 PEG were cited and elaborated; 第一章,对Cu(Ⅲ)、Ni(Ⅳ)的发展及研究现状,对聚酯类、聚醚类及其嵌段共聚合反应的发展及研究现状进行了论述;
The block copolymerization and structure of the copolymer of polyethylene oxide)( PEO) with sodium methacrylic acid ( NaMAA) were studied respectively. 本文研究了在超声波辐照下聚氧化乙烯与甲基丙烯酸钠在水溶液中的嵌段共聚反应和共聚物结构。共聚反应按自由基聚合机理进行。
Synthesis of a star type block butadiene styrene copolymerization resin with impact and transparent behavior by n-butyl lithium initiator 星型嵌段共聚丁苯抗冲透明树脂的合成
Studies on degradation and block copolymerization of poly ( ethylene oxide)/ polyacrylamide by high-speed stirring 聚氧化乙烯和聚丙烯酰胺在高速搅拌下降解和嵌段共聚的研究
Recent Development in Free Radical Block Copolymerization 自由基嵌段共聚合新进展
Controlled Radical Homopolymerization and Block Copolymerization of Methyl Methacrylate Based on RAFT Process 基于RAFT过程的MMA可控自由基聚合及嵌段共聚物的合成
The catalytic systems for polyether-polyester block copolymerization 聚醚聚酯嵌段共聚合催化体系的研究
The effects of initiator concentration, mass ratio of MA to PPA, reaction temperature, and reaction time on the parameters of the block copolymerization were examined. 考察了引发剂浓度、MA与PPA的质量比、反应温度和时间对嵌段参数的影响。
Study on anionic block copolymerization of α-methylstyrene α&甲基苯乙烯阴离子嵌段共聚合反应研究
Block Copolymerization of Propylene and Ethylene by Bulk Process 本体法丙烯-乙烯嵌段共聚合研究
Studies on ultrasonic degradation and block ( graft) copolymerization of polymers 在超声辐射作用下聚合物的降解和接枝(嵌段)共聚
The block copolymerization reaction has been studied, and the reaction product thus obtained was a thermoplastic elastomer with excellent properties. 探讨了其嵌段共聚合反应过程。所合成的嵌段共聚物是性能优良的热塑弹性体。
The mechanism of photo-induced polymerization and the effect of the stability of sulfur radical on block copolymerization are also discussed. 对于光引发聚合的原理及硫自由基的稳定性对聚合反应的影响也进行了讨论。
A number of model networks were prepared by anionic block copolymerization of divinylbenzene with various living polystyrene precursors having different chain length distribution. 用链长分布不同的活性聚苯乙烯子聚物与二乙烯基苯进行阴离子嵌段共聚,合成了一系列两相模型交联网络。
The block copolymers PE b sPS and sPS b Poly ( S co E) were first obtained by extraction fractionation from the block copolymerization products. 通过萃取分离可得到嵌段共聚物PE-b-sPS和sPS-b-poly(S-co-E)。
The ultrasonic degradation of polybutadiene ( PB) and block copolymerization of PB with acrylic acid ( AA) in cyclohexane solution were studied. 研究了在超声波辐照作用下聚丁二烯(PB)在环已烷溶液中的降解及与丙烯酸(AA)的共疑反应。
The activity of the complex as catalyst in ATRP was confirmed by polymerization of MMA and block copolymerization of styrene. 将该配合物作为催化剂成功地进行了MMA的ATRP反应,和苯乙烯的嵌段聚合,证实该化合物作为ATRP催化剂具有催化活性。
By using the phosphorus compounds as flame retardant, the regular block flame-retardant polyester was formed through copolymerization. 以磷系化合物为阻燃剂,采用共聚的方法形成规整的嵌段阻燃聚酯。
Study on the synthesis of the symmetrical two-end tapered block copolymer of isoprene-styrene ⅰ Study on the kinetic behaviours of the copolymerization 对称型双端过渡态异戊二烯-苯乙烯嵌段共聚物的研究&Ⅰ共聚合反应动力学研究
Study on block copolymerization of cast nylon 6 for its modification 铸型尼龙6嵌段共聚合改性的研究
Counter-Ion Effect in the Block Copolymerization of α-α-Dimethyl-β propiolactone and Polyester with Dicarboxy End Groups 双羧戊酰端基聚酯与α,α-二甲基-β-丙内酯嵌段共聚的反离子效应
Block copolymerization was carried out via sequential monomer addition, which was monitored by in situ IR, generating block copolymers containing different peptides in a polymer chain. 接下来进行了嵌段聚合的实验,运用原位红外监测技术通过分批加入单体的方法得到了一条聚合物链中含有不同肽链结构的嵌段共聚物。