Patent · US Expired

Resin composition, molded product from resin composition and method for preparing resin composition

US7645823B2 · kind B2 · utility

6Cited by
0References
27Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 29, 2004
Grant dateJan 12, 2010
Priority date
Expiry dateNov 28, 2025

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08L5/08
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

Disclosed is a biodegradable resin composition containing at least one biodegradable organic high molecular compound, a flame retardant additive containing a phosphorus-containing compound, and a hydrolysis suppressing agent suppressing the hydrolysis of the at least one biodegradable organic high molecular compound. An aliphatic polyester resin is polylactic acid, polycaprolactone, polyhydroxy lactic acid, polyhydroxy valeric acid, polyethylene succinate, polybutylene succinate, polybutylene adipate, polymalic acid, polyesters synthesized by fermentation, or a copolymer containing at least one of them. A polysaccharide is cellulose, starch, chitin, chitosan, dextrane, a derivative of at least one of them, or a copolymer containing at least one of them.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.