| 摘要 |
PURPOSE: A humidity sensor having a polymer film is provided to reduce humidity efficiently, and to improve water resistance of the humidity sensor by manufacturing the dehumidifying film through cross-linking with quaternary chlorination reaction. CONSTITUTION: A humidity sensor includes a dehumidifying film, an electrode electrically contacted to the dehumidifying film, an electrode snap fixing the electrode, and a terminal connecting the electrode to the outer unit. The dehumidifying film is formed by mixing vinyl monomer including a tertiary amine group, primary copolymer by copolymerization of 1 or more than two vinyl comonomers, vinyl monomer including an alkyl halide group and secondary copolymer by copolymerization of 1 or more than two vinyl comonomers. The dehumidifying film is used for the humidity sensor by cross-linking with quaternary chlorination reaction.
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