Biodegradable Polyester Resin Composition
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United States of America Patent
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Issued Date -
Apr 17, 2008
app pub date -
Jan 18, 2005
filing date -
Jan 18, 2005
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Abstract
[Object] To provide a biodegradable polyester resin composition that can achieve excellent antistatic properties and surface lubricity while maintaining the molecular weight without deteriorating the appearance of the resin, even if a kneading method is employed. [Solving Means] A biodegradable polyester resin composition containing 0.05 to 10.0% by weight of a borate ester surfactant (a reactant of boric acid and a compound given by esterifying a polyol with a higher fatty acid, a salt of the reactant, a reactant obtained by reacting a higher fatty acid to a compound given by esterifying a polyol with boric acid, or the like) having one or more hydrophobic groups having 8 to 24 carbon atoms.
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