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氯化聚乙烯溶胀悬浮接枝甲基丙烯酸-β-羟乙酯 被引量:1

Graft Copolymerization of Hydroxyethyl Methacrylate onto Chlorinated Polyethylene Using the Suspension Grafting Technique
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摘要 研究了氯化聚乙烯(CPE)溶胀悬浮法接枝甲基丙烯酸-β-羟乙酯(HEMA),考察了反应温度、反应时间、膨胀剂乙酸乙酯(EA)的用量、分散介质水的用量、单体HEMA的用量、引发剂过氧化苯甲酰(BPO)的用量对接枝率和接枝效率的影响。同时,用红外光谱对接枝物进行了定性表征。研究结果表明,采用水作分散介质,乙酸乙酯作膨胀剂的溶胀悬浮接枝体系,在回流温度和一定搅拌速度下,可实现CPE接枝水溶性单体HEMA,且接枝(效)率较高,可获得最高接枝(效)率的投料比为CPE/HEMA/BPO/EA/H_2O=2/2/0.1/7/50(g/g/g/mL/mL),反应温度90℃,反应时间为3 h。 Graft copolymerization of hydroxyethyl methacrylate (HEMA) onto chlorinated polyethylene (CPE) by the oil-swellable suspension graft copolyrnerization technique was studied, benzoyl peroxide (BPO) was used as the free radical initiator and ethyl acetate (EA) as the sweller. Optimum reaction conditions to obtain maximum grafting were evaluated. The variable factors were temperature, initiator amount, volume of sweller, monomer amount, etc. The graft copolymer was characterized by infrared spectroscopy (IR). The results show that the oil-swellable suspension graft copolymerization technique, in which EA as sweller, can improve the degree of grafting and grafting efficiency.
作者 熊琼 何培新
出处 《高分子材料科学与工程》 EI CAS CSCD 北大核心 2010年第1期36-39,共4页 Polymer Materials Science & Engineering
基金 湖北省自然科学基金资助项目(2009CDB019) 湖北省科技厅攻关引导项目(2007AA101C29) 武汉市科技攻关计划(200710421120)
关键词 氯化聚乙烯 甲基丙烯酸-Β-羟乙酯 悬浮接枝 chlorinated polyethylene hydroxyethyl methacrylate suspension grafting
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参考文献7

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共引文献20

同被引文献15

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