FILM OF ALIPHATIC POLYESTER RESIN COMPOSITION AND ITS APPLICATION

PROBLEM TO BE SOLVED: To provide an aliphatic polyester film that has biodegradability and physical properties for practical use and has both improved modulus of elasticity and improved impact resistance. SOLUTION: The film of an aliphatic polyester resin composition is formed from an aliphatic poly...

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Bibliographische Detailangaben
Hauptverfasser: ITO HISAYOSHI, YANO NORIYASU
Format: Patent
Sprache:eng
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Zusammenfassung:PROBLEM TO BE SOLVED: To provide an aliphatic polyester film that has biodegradability and physical properties for practical use and has both improved modulus of elasticity and improved impact resistance. SOLUTION: The film of an aliphatic polyester resin composition is formed from an aliphatic polyester resin composition comprising a specific amount of (a) a specific aliphatic polyester copolymer based on an aliphatic dicarboxylic acid residue, an aliphatic diol residue and an aliphatic hydroxycarboxylic acid residue added if needed and a specific amount of (b) a specific aliphatic polyester based on an aliphatic hydroxycarboxylic acid residue and has biodegradability and in particular an improved impact test value. The application of the film of the aliphatic polyester resin composition is provided. COPYRIGHT: (C)2006,JPO&NCIPI