本文研究了聚氧化乙烯(peo)和丙烯腈(AN)在水溶液中的超声共聚。
PEO-AN block copolymers were synthesized in aqueous solution by using ultrasonic technique.
以聚氧化乙烯为胶凝剂,20%盐酸为溶剂,以及其他助剂,制得胶凝酸体系。
A gelled acid system was prepared with polyethylene oxide as gelling agent, 20% HCl as solvent, and other additives.
对聚氧化乙烯(peo)为粘合剂硝酸酯增塑的高能推进剂配方力学性能进行了研究。
The mechanical properties of propellants formulation, which contains PEO binder and is plasticized by nitrate ester were studied.
随着聚氧化乙烯溶液零剪切粘度的增加,制备的纳米纤维直径逐渐变细而且表面也较平滑。
The differences and the reasons of nanofibers prepared by polyethylene glycol oxide solutions with different shear viscosity were also discussed.
带有更长聚氧化乙烯(PEO)支链的聚合物,主链聚合水平更低及更高磺酸基物的组显现出更高的扩散才能。
Polymers with longer PEO side chains, lower degrees of backbone polymerization, and higher contents of sulfonic groups showed higher dispersing power.
综述了近年来干态聚合物电解质的研究进展,包括:(1)以改性聚氧化乙烯-锂盐复合体系为代表的耦合体系;
There are three kinds of solvent-free polymer electrolytes: (1) coupled systems represented by the complex of modified polyethylene oxide and lithium salt;
研究应用电子束照射聚氧化乙烯(PEO)所形成的水凝胶膜的制备,并对这些可作为伤口敷料的水凝胶膜的理化特性进行了评价。
Poly(ethylene oxide)(PEO) hydrogel films formed by electron beam (EB) irradiation were prepared as wound dressing. The physiochemical properties of the PEO hydrogel films were evaluated.
主要剖析的特性为:聚氧化乙烯(PEO)支链的长度,主链聚合的水平,各功用组如羧基组和磺酸基组的成分以及聚合物的纯真度。
Analyzed characteristics were the PEO side chain length, the degree of backbone polymerization, the composition of functional groups such as carboxylic and sulfonic groups, and the purity of polymers.
通过碱金属离子与聚氧化乙烯(PEO)的络合配位制备了不同比例的PEO聚电解质,将PEO聚电解质与尼龙6熔融共混挤出,制备抗静电尼龙6复合材料;
Nylon 6/Polyethylene oxide (PEO) polyelectrolyte composites with different molar ratio of alkali metal ion and PEO polymer unit were prepared by means of complexation reaction.
非离子型表面活性剂有聚氧乙烯缩合物糖酯和烷基胺氧化物。
Nonionics include polyoxyethylene condensates, sucrose esters and alkyl amine oxides.
通过以含醚键的聚(氧化丙烯-氧化乙烯)为主体,与二氧化锡溶胶复合,制备了一类可用于尼龙的抗静电剂。
Poly (propylene oxide-ethylene oxide) containing ether linkage was used to make complexes with stannic oxide sol, thus producing a kind of anti-static agent for nylon resins.
目的:研究脂肪醇聚氧乙烯醚(AEO)对过氧化氢稳定性的影响。
Objective To study the effect of the AEO to hydrogen peroxide stability.
采用由乙酸钯、2 ,2’ 联吡啶与强酸组成的催化体系,催化一氧化碳和苯乙烯的共聚反应合成聚酮(STCO)。
Polyketone (STCO) was prepared by the copolymerization of carbon monoxide and styrene catalyzed by a composite catalyst system- palladium acetate, 2,2' bipyrodine associated with a strong acid.
聚氧乙烯蓖麻油是相与乙烯反映地摩尔比为1:35氧化蓖麻油。
Cremophor EL is obtained by reacting castor oil with ethylene oxide in a molar ratio of 1:35.
介绍了以一氧化碳和乙烯为主要原料经过催化共聚合,合成聚酮共聚物的方法以及聚酮共聚物的主要物理、化学性能。
Using carbon monoxide and ethylene as raw materials, the synthesis methods and the physical and chemical properties of polyketones (PK) were introduced in this paper.
该聚 乙烯管氧化皮刮削器,包括刀具;其特征在于,还包括底架、固定架;
The peeler for eliminating the polyethylene pipe oxidizing layer comprises a knife tool, which is characterized in that the peeler also comprises an underframe and a fixed bracket;
提高反应温度和增加催化剂浓度都能改变口-甲基苯乙烯的聚过氧化物的稳定性,使其开裂并最终转化为苯甲酸。
The yield of benzoic acid could be improved by increasing operational temperature and catalyst dosage which could accelerate cleavage of polyperoxide to form benzoic acid.
提高反应温度和增加催化剂浓度都能改变口-甲基苯乙烯的聚过氧化物的稳定性,使其开裂并最终转化为苯甲酸。
The yield of benzoic acid could be improved by increasing operational temperature and catalyst dosage which could accelerate cleavage of polyperoxide to form benzoic acid.
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