Reaction order of TiCl 4 in cationic polymerization of isobutylene in the presence of the reagents containing nitrogen;
含氮试剂调节异丁烯阳离子聚合中TiCl_4的反应级数
Study on mechanism of third component in cationic polymerization system of isobutylene;
第三组分在异丁烯阳离子聚合体系中的作用机理研究
Then using this polymer as grafting agent,a novel branched polymer that each arm of star-shaped PS-b-PI contained several polyisobutylene was prepared via cationic polymerization.
然后以此星形大分子作为接枝剂,通过阳离子聚合,合成了一种在每个星形大分子的臂上接枝几个聚异丁烯的新型支化聚合物,并对其进行了GPC、1H-NMR、FT-IR等分析表征,讨论了不同的加料顺序对其的影响,1H-NMR结果表明其接枝效率达80%左右。
Numerical simulation of reactive extrusion processes for anionic polymerization of styrene;
苯乙烯阴离子聚合反应挤出过程的数值模拟
Chemical calorific effect during reactive extrusion process for anionic polymerization;
阴离子聚合反应挤出过程的化学热效应
Polar additives in anionic polymerization;
阴离子聚合反应中的极性调节剂
Octamethylcyclotetrasiloxane(D4)and N-(β-aminoethyl)-γ-aminopropylmethyldimethoxysilane(KH-792) were chosen to synthesize aminopolysiloxane by bulk anion polymerization,with KOH as catalyst,hexamethyldisiloxane(MM)used as end capping agent,and dimethyl sulfoxide(DMSO) utilized as accelerating agent.
以八甲基环四硅氧烷(D4)和N-β-氨乙基-γ氨丙基甲基二甲氧硅烷(KH-792)为原料,用KOH作为催化剂,六甲基二硅氧烷(MM)为封端剂,二甲基亚砜(DMSO)为促进剂,采用本体阴离子聚合法合成了氨基封端的聚硅氧烷,对其结构用红外光谱进行了表征。
We synthesized (SI)_4Si star-type block copolymer with styrene,isoprene and silicon tetrachloride as raw materials,tetrahydrofuran as molecular weight regulator,cyclohexane as solvent,and n-BuLi or naphthalene lithium as initiating agent by anion polymerization method with three steps.
采用阴离子聚合法,以苯乙烯、异戊二烯、四氯化硅为原料,以四氢呋喃(THF)为分子量调节剂,正丁基锂或萘锂为引发剂,环己烷为溶剂,分3步加料,合成(SI)4Si星型嵌段共聚物。
Synthesis methods of PFPE are mainly anion polymerization of perfluoro-epoxide and photo-initiated oxidation of perfluoro-olefine.
其合成方法主要有全氟环氧化物的阴离子聚合法和全氟烯烃直接光氧化法2种。
Synthesis and electrospinning of poly(ethylene covinyl alcohol)end-capped with potassium sulfonate ionomer;
EVOH-SO_3K离子聚合物的合成及其高压静电纺丝
The formula and processing technology of intermittent foaming of ethylene-acrylic acid zinc ionomer, Iotek 7020, were studied.
研究了乙烯/丙烯酸锌离子聚合物Iotek7020熔体间歇发泡配方和工艺过程。
Blends of polypropylene and nylon-1010 in 50 : 50 ratio were prepared using a polyethylene-based ionomer as a compatibilizer.
离子聚合物在Nylon-1010/PP共混物中的增容作用曲桂杰,刘景江(中国科学院长春应用化学研究所长春130022)关键词聚丙烯,Nylon-1010,离子聚合物,增容选择离子聚合物作为高聚物共混的增容剂,通过离子间的相互作用可达到。
Advance in application of potassium alkoxides and potassium phenoxides as promoter in anionic polymerization;
醇钾和酚钾助引发剂在负离子聚合中的应用研究进展
Mechanism of anionic polymerization of isoprene in cyclohexane- dioxane;
异戊二烯在环己烷-二氧六环中的负离子聚合机理
Microstructure of product obtained from anionic polymerization of isoprene using Et2O as polar additive;
异戊二烯-环己烷-乙醚体系负离子聚合产物的微观结构