HYDROXYCARBOXYLIC ACID POLYMER
PROBLEM TO BE SOLVED: To provide a new and useful polymer using as the raw material monomer a hydroxycarboxylic acid such as glyceric acid which is a new bio-based material exhibiting biodegradability and can contribute also to resources recycling. SOLUTION: By copolymerizing a hydroxycarboxylic aci...
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Zusammenfassung: | PROBLEM TO BE SOLVED: To provide a new and useful polymer using as the raw material monomer a hydroxycarboxylic acid such as glyceric acid which is a new bio-based material exhibiting biodegradability and can contribute also to resources recycling. SOLUTION: By copolymerizing a hydroxycarboxylic acid with a monomer constituting a linear polyester, a branched type polyester copolymer, having the linear polyester component as a branched chain while making the hydroxycarboxylic acid component as a branching point, is obtained. Flexibility and plasticity of the copolymer can be controlled by the feed amount of the hydroxycarboxylic acid or the like, hence the copolymer can be used for various applications. COPYRIGHT: (C)2011,JPO&INPIT |
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