Thermal,physical and flame-retardant properties of phosphorus-containing epoxy cured with cyanate ester |
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| Authors: | Tsung-Han Ho Hann-Jang Hwang Jeng-Yueh Shieh Ming-Chin Chung |
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| Affiliation: | 1. Department of Chemical and Material Engineering, National Kaohsiung University of Applied Science, Kaohsiung 807, Taiwan, ROC;2. Department of Cosmetic Science, Chung Hwa University of Medical Technology, Tainan 717, Taiwan, ROC;3. Department of Industrial Safety and Hygiene, Chung Hwa University of Medical Technology, Tainan 717, Taiwan, ROC |
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| Abstract: | Two phosphorus-containing advanced epoxy resins were obtained by chain-extension of diglycidyl ether of bisphenol-A epoxy (DGEBA) resin with 2-(6-oxido-6H-dibenz(c,e)(1,2)-oxaphosphorin-6-yl)-1,4-benzenediol (DOPOBQ), at different stoichiometric ratios. The phosphorus-containing advanced epoxy was separately cured with various dicyanate esters to form flame-retardant epoxy/cyanate ester systems. The effects of phosphorus content and dicyanate ester structure were studied, and compared with those of the control (advanced bisphenol-A epoxy) system. The DOPOBQ-containing epoxy/cyanate ester systems exhibited higher glass transition temperatures, better dimensional stability and better thermal stability. |
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