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中文摘要：
采用减压熔融法合成了马来酸双聚乙二醇单甲醚酯，并对其合成工艺进行了探讨。实验以原料醇酸摩尔比、催化剂用量、阻聚剂用量、反应温度和反应时间为五因素，设计成五因素四水平的正交实验，由实验确定出最佳酯化反应条件：醇酸摩尔比2.1：1、催化剂用量4％、阻聚剂用量3％、反应温度120℃，反应时间为6 h，酯化率达到96.46％。并进一步由大单体与烯丙基磺酸钠共聚制备出聚羧酸分散剂，所得分散剂在掺量为0.6％时，可使锂离子电池浆料的用水量减少至27.0％，浆料初始粘度为1786.6 mPa＆#183; s，静置90 min后浆料粘度为2680.3 mPa＆#183; s。减少溶剂用量同时满足涂布工艺要求。
英文摘要：
Dipolyethylene glycol maleate was synthesized by decompression melting method , and the synthetic process was discussed.Five factors were optimized , including alcohol acid mole ratio , amount of catalyst , inhibitor dosage, reaction temperature and reaction time , designing L16 （45 ） for orthogonal experiment.The best condition was determined：alcohol acid mole ratiowas 2.1：1 , the amount of catalyst was 4%, the inhibitor dosage was 3%, the reaction temperature was 120 ℃ and the reaction time was 6 h, the esterification rate reached 96.46%.The macromonomer copolymerized with sodium allylsulfonate to produce polycarboxylate superplasticizer .The water consumption of Lithium ion battery slurry reduced 27%when the superplasticizer dosage was 0.6%.Slurry viscosity was 1 786.6 mPa＆#183; s and 2 680.3 mPa＆#183; s after 90 min which met requirements for coating technology .
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