Li Wanfen, Wang Chao, Li Hongbin, Zhan Xiaohui, Huang Jing, Jiang Fatang, Zhang Shenghua. Moisture absorption characteristics of konjac glucomannan grafted acrylic acid[J]. Transactions of the Chinese Society of Agricultural Engineering (Transactions of the CSAE), 2006, 22(11): 228-231.
    Citation: Li Wanfen, Wang Chao, Li Hongbin, Zhan Xiaohui, Huang Jing, Jiang Fatang, Zhang Shenghua. Moisture absorption characteristics of konjac glucomannan grafted acrylic acid[J]. Transactions of the Chinese Society of Agricultural Engineering (Transactions of the CSAE), 2006, 22(11): 228-231.
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    Moisture absorption characteristics of konjac glucomannan grafted acrylic acid

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    • The moisture absorption and desorption of konjac glucomannan grafted acrylic acid(KSAP) and common desiccant(silica gel and mentor-rock) were investigated in different humidities. Also the moisture desorption at RH(10±1)%, (25±1)℃ was analyzed. Results indicate that the absorptivity of common desiccant and KSAP is 15% and 12% for 9 d respectively at RH(30±1)%, (25±1)℃. At RH(75±1)%, (25±1)℃ and RH(90±1)%, (25±1)℃, the absorptivity of KSAP reaches 70% and 120% for 9 d respectively. KSAP also has good water retention. IR analysis indicates that hydrophilic group is rich in KSAP. The SEM image shows that KSAP has network structure.
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