1) anionic polymer
阴离子聚合物
1.
In this paper,a new microparticle retention system wa s in-troduced,it is consisted of cationi c microparticle and anionic polymer,and it was insensitive to shear stre ss and pH of the system.
本文着重介绍一种新型微粒助留系统———由阳离子微粒与阴离子聚合物进行复配,这一新型体系对剪切力和体系的pH不敏感。
2) anion polymer
阴离子聚合物
1.
If the polymer is replaced by a kind of anion polymer the polymer's mass concentration can be decreased to 2.
5,可提高井口黏度20％～30％,成胶情况明显改善;采用阴离子聚合物作为调剖剂组分来替代复合离子聚合物,聚合物质量浓度可降至2。
3) cationic and anionic polymer
阴阳离子聚合物
5) anionic polymerization
阴离子聚合
1.
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
2.
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
3.
Polar additives in anionic polymerization;
阴离子聚合反应中的极性调节剂
6) anion polymerization
阴离子聚合
1.
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。
2.
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。
3.
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。
补充资料：阴离子聚合
分子式：
CAS号：
性质：催化剂的负离子(如㈠:NH2，R:㈠)直接与单体反应形成碳负离子活性中心，经引发反应产生的负离子活性中心同单体进一步加成，又产生新的碳负离子，使链不断增长的聚合反应。适合阴离子聚合的烯类单体都带吸电子基团，如丙烯腈、丙烯酸甲酯、苯乙烯和丁二烯等都能进行阴离子聚合。阴离子聚合的催化剂是亲核试剂。
CAS号：
性质：催化剂的负离子(如㈠:NH2，R:㈠)直接与单体反应形成碳负离子活性中心，经引发反应产生的负离子活性中心同单体进一步加成，又产生新的碳负离子，使链不断增长的聚合反应。适合阴离子聚合的烯类单体都带吸电子基团，如丙烯腈、丙烯酸甲酯、苯乙烯和丁二烯等都能进行阴离子聚合。阴离子聚合的催化剂是亲核试剂。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条