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丙三醇改性对电流变液性能的影响

Release Time:2019-03-10  Hits:

Indexed by: Journal Article

Date of Publication: 2013-03-13

Journal: 功能材料

Included Journals: Scopus、CSCD、ISTIC、PKU、EI

Volume: 44

Issue: 9

Page Number: 1265-1268

ISSN: 1001-9731

Key Words: 电流变液;丙三醇;剪切屈服强度

Abstract: 以丙三醇和钛酸四丁酯为原料,采用沉淀法制备丙三醇改性氧钛系(gly-O-Ti)电流变液颗粒,通过实验研究丙三醇加入量对颗粒形态及电流变性能的影响.颗粒结构及形态测试结果表明,gly-O-Ti颗粒呈无定形态,其粒径随丙三醇量增加而增大.电流变性能采用MCR301旋转流变仪测得,结果表明,当丙三醇与钛酸四丁酯摩尔比为2.5时,所制备的gly-O-Ti颗粒具有最佳的电流变效应;以此颗粒为分散相制备颗粒质量浓度为70%的电流变液,其在2.5kV/mm的电场强度下,剪切屈服强度达150kPa,呈低场高强特性.

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