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淀粉基弹性体的制备及性能研究 被引量:1

Preparation and property of starch-based elastomers
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摘要 利用丙烯酰氯与淀粉反应制备酯化淀粉,再以丙烯酸乙酯(EA)为单体与酯化淀粉聚合制备酯化淀粉-g-丙烯酸乙酯(S-g-EA)接枝共聚物。红外光谱证明了酯化淀粉制备成功;通过用差示扫描量热仪、热重分析仪、万能试验机对该淀粉接枝物的熔点、热分解以及力学性能进行表征。结果表明,通过对淀粉的酯化和接枝,改善了淀粉基材料难塑化和耐水性差的缺点,在不加增塑剂的情况下成功制备了淀粉基弹性体,其力学性能优异。 In this paper,the acryloyl chloride was used to react with starch to prepare esterified starch.Then the graft copolymers (S-g-EA) were prepared with ethyl acrylate (EA) as grafting monomer.Infrared spectroscopy results showed that the esterified starch was successfully prepared. The melting point, thermal decomposition and mechanical properties of the grafting monomer were investigated by DSC,TGA and Universal testing machine, etc. The results showed that the processing and water resistance of starch were improved through esterifying and grafting of starch.Starch-based elastomers with excellent mechanical properties were successfully prepared without adding plasticizer.
作者 钱江涛 李婷 汪洋 东为富 QIAN Jiangtao LI Ting WANG Yang DONG Weifu(School of Chemical and Material Engineering , Jiangnan University , Wuxi 214122 ,China)
出处 《弹性体》 CAS 2017年第1期1-4,共4页 China Elastomerics
基金 国家自然科学基金项目(51373070)
关键词 淀粉 酰氯 丙烯酸乙酯 弹性体 力学性能 starch acryloylchloride ethyl acrylate elastomer mechanical property
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