Polyester-ether resin blends
US10428199B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Aug 4, 2015 |
| Grant date | Oct 1, 2019 |
| Priority date | — |
| Expiry date | Aug 4, 2035 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2367/02
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present disclosure relates to masterbatch compositions used for preparing articles, preforms or containers comprising a base polyester, a transition metal-based oxidation catalyst, an alkali metal compound, and an alkaline earth metal compound. The masterbatch compositions have desirable viscosity characteristics and the prepared articles, preforms or containers using these masterbatch compositions have desirable mechanical, visual and gas barrier properties.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.