Flame-retardant properties of epoxide and unsaturated polyester resins modified with tertiary phosphine oxides containing chlorinated phenoxy groups |
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| Affiliation: | 1. School of Pharmaceutical Sciences, Qilu University of Technology (Shandong Academy of Sciences), Jinan, 250353, China;2. School of Chemistry and Chemical Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan, 250353, China;1. School of Software, Northwestern Polytechnical University, Shaanxi 710072, China;2. School of Medicine, Zhejiang University, Hangzhou, China;3. Department of Electrical Engineering, National Sun Yat-sen University, Kaohsiung 80424, Taiwan;4. School of Computer Science and Engineering, Xi’an Technological University, Shaanxi 710021, China |
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| Abstract: | The flame-retardant properties of the epoxide resin “Epoxa AP-2” and the unsaturated polyester resin “Vinalkid 550P” modified with dimethyl(2,4,6-trichlorophenoxymethyl)phosphine oxide (DMPO), methyl-bis(pentachlorophenoxymethyl)phosphine oxide (MBPO) and tris(2,4,6-trichlorophenoxymethyl)phosphine oxide are examined. It is established that all three products are effective fire-retardants for epoxide as well as for unsaturated polyester resins. The effect is notable at about 10–15% presence. The oxygen indexes, determined by the ASTM-D-2863 method, show an increase of several units in comparison with the unmodified resins. The fire-retardant action of DMPO, MBPO and TTPO is significantly enhanced by the addition of Sb2O3. |
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