以羧甲基纤维素钠(CMC)为基质材料,并添加无机盐、致孔剂制备调湿材料,考察了无机盐种类与用量、致孔剂碳酸氢铵(NH4HCO3)用量对调湿材料性能的影响,并用傅里叶红外变换光谱(FT-IR)、扫描电镜(SEM)对样品的化学结构和表面形态进行表征.结果表明,m(CMC):m(无机盐LiCl):m(NH4HCO3)=6:3:4时,所制备的调湿材料在不同湿度环境下(80％、60％和40％RH)吸湿量达132％、55％和30％,并具有较高的湿容量.
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