Bacterial cellulose was used as the framework material to adsorb the phase change material n-octadecane,and the BC/n-octadecane composite phase change materials were prepared using a vacuum impregnation method.Compounding BC/n-octadecane film with moisture absorbtion and heat-generating fabric to prepare composite fabric.The structure and properties of the BC/octadecane composite film were characterized by the scanning electron microscope(SEM),Fourier transform infrared spectrometer (FT-IR)and differential thermal scanning calorimeter(DSC).The properties of moisture absorbtion and heat generating,temperature-rise of the composite fabric were tested.The results shown that the melting peak temperature of the composite film was 31.6℃,the melting enthalpy was 107.6J/g,and the adsorption rate of the phase change material can reach 49.6%.Moisture absorbtion and heat-generating,temperature-rise and other tests results shown that the maximum temperature-rise value of the composite fabric can reach 7.6℃ within 1 hour and the average temperature-rise value reached 2.4℃,representing a good self-heating effect.
Han Mengchen, Li Dawei, Wei Qufu
. Preparation and characterization of BC/n-octadecane composite fabric with moisture absorbtion and heat-generating[J]. New Chemical Materials, 2021
, 49(9)
: 117
-121
.
DOI: 10.19817/j.cnki.issn 1006-3536.2021.09.025
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