期刊
POLYMER-PLASTICS TECHNOLOGY AND ENGINEERING
卷 47, 期 4, 页码 363-366出版社
TAYLOR & FRANCIS INC
DOI: 10.1080/03602550801897463
关键词
glass transition; liquid-crystalline polymer; thermosets
A novel nanocomposite was prepared by liquid-crystalline epoxy (LCE)/diaminodiphenylsulfone (DDS)/organic montmorillonite (MMT). A novel liquid-crystalline epoxy monomer, diglycidyl ether of 4,4'-bis(4-hydroxylbenzoyloxy)-3,3',5,5'-tetramethylbiphenyl (DGE-BHBTMBP), was chosen as the matrix material. The curing processes and thermal properties of the novel LCETs obtained were investigated by nonisothermal DSC. The peak temperature increased with an increase in the heating rate for the different amount of organic MMT. The exothermal peaks of the samples containing organic MMT shift toward a lower temperature compared with the samples without organic MMT in the same curing condition. The glass transition temperature (T-g) of cured composites increases as the heat rates decrease.
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