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    • 4. 发明公开
    • 자동차 내장 습도센서용 고분자 막
    • 汽车内部的湿度传感器膜
    • KR1020080105507A
    • 2008-12-04
    • KR1020070053197
    • 2007-05-31
    • 현대자동차주식회사
    • 홍채환
    • C08J5/22C08F293/00C08F222/00C08F222/22
    • A polymer membrane for an automobile interior humidity sensor, and an automobile interior humidity sensor using the polymer membrane are provided to improve durability and to allow all range of humidity of both high and low humidity to be sensed. A polymer membrane for an automobile interior humidity sensor comprises a copolymer which is prepared by radical polymerizing N,N-dimethyl-2-methacryloxyethyl-3-bromopropylammonium bromide, 2-ethylhexyl acrylate and 2-hydroxyethyl methacrylate and is represented by the formula 1. Preferably the ratio of 2-ethylhexyl acrylate to N,N-dimethyl-2-methacryloxyethyl-3-bromopropylammonium bromide is 0.5-0.6 by mol.
    • 提供了一种用于汽车内部湿度传感器的聚合物膜,以及使用该聚合物膜的汽车内部湿度传感器,以提高耐久性并且可以感测高低湿度的所有湿度范围。 用于汽车内部湿度传感器的聚合物膜包括通过自由基聚合N,N-二甲基-2-甲基丙烯酰氧基乙基-3-溴丙基溴化铵,丙烯酸2-乙基己酯和甲基丙烯酸2-羟乙酯制备的共聚物,并由式1表示。 丙烯酸2-乙基己酯与N,N-二甲基-2-甲基丙烯酰氧基乙基-3-溴丙基溴化铵的比例优选为0.5-0.6摩尔%。