Polyester composition with improved hydrolytic stability and method for making the same
US6498212B1 · kind B1 · utility
20Cited by
8References
11Claims
0Family size
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Key dates
| Filing date | Mar 14, 2000 |
| Grant date | Dec 24, 2002 |
| Priority date | — |
| Expiry date | Mar 14, 2020 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G81/027
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A polyester composition with improved hydrolytic stability is prepared by heating a molten mixture of: (A) a polyester resin; and (B) 0.05-10 wt %, based on the weight of the polyester resin, of a polymeric end-capping agent having an epoxy or amino functional group.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.