Polyester resin composition and method for producing the same
US10179849B2 · kind B2 · utility
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14Claims
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Key dates
| Filing date | Oct 29, 2015 |
| Grant date | Jan 15, 2019 |
| Priority date | — |
| Expiry date | Oct 29, 2035 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K2003/3045
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A polyester resin composition having excellent hydrolysis resistance and excellent transparency and a method of producing the same are provided. There is provided a polyester resin composition comprising a polyester resin that is obtained from a dicarboxylic acid or an ester-forming derivative thereof and a diol as main raw material; and a copper-containing compound and a chelate ligand compound having a nitrogen-containing heterocyclic structure or a tertiary amine structure that are mixed with the polyester resin.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.