The basic properties of poly(lactic acid) produced by the direct condensation polymerization of lactic acid |
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| Authors: | M Ajioka K Enomoto K Suzuki A Yamaguchi |
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| Institution: | (1) Central Research Institute, Mitsui Toatsu Chemicals, Inc., Yokohama, Japan;(2) Central Research Institute, 1190 Kasama-cho Sakae-ku, Yokohama-shi, Japan |
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| Abstract: | Poly(lactic acids) with high molecular weights have been synthesized by direct condensation polymerization of lactic acid. These polymers have good mechanical properties and can be processed into products such as cups, film, and fiber, which can be used as compostable materials. This polymerization method can be applied to the synthesis of copolymers of lactic acid and other hydroxyacids. The properties of poly(lactic acid) and copolymers synthesized by the direct process are different from those of polymers obtained by the conventional lactide process. |
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| Keywords: | Poly(lactic acid) condensation polymerization properties lactic acid copolymers |
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