Effect of Hexamethyi Phosphoric Acid Triamide on the Polymerization of Epichlorohydrin-Methyl Methacryiate Initiated with Alkylaluminum |
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| Authors: | Alora Akimoto |
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| Affiliation: | Central Research Laboratory Toyo Soda Manufacturing Co., Ltd. , Shinnanyo-shi Yamaguchi-ken, 4560, Tonda, Japan |
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| Abstract: | Abstract The effect of hexamethyi phosphoric acid triamide on the rate of polymerization of AlEt3-initiated polymerization of epichloro-hydrin and methyl methacryiate was examined. Benzene was used as solvent and the experiments covered AlEt3 /hexamethyi phosphoric acid triamide ratios from 1:0 to 1:2. Rate of polymerization increased to a maximum at AlEt3/ hexamethyi phosphoric acid triamide ratio of 1:0.2 and then decreased. The reaction of hexamethyi phosphoric acid triamide with AlEt, appears to modify the catalytic nature and copolymeriza-tion of epichlorohydrin with methyl methacryiate as demonstrated by enhanced methyl methacryiate reactivity in the presence of hexamethyi phosphoric acid triamide. |
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