High barrier polymer blend and articles prepared therefrom
US4578295A · kind A · utility
133Cited by
5References
15Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 16, 1984 |
| Grant date | Mar 25, 1986 |
| Priority date | — |
| Expiry date | Jul 16, 2004 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/1397
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A polyester based intimate fusion blended composition comprising an admixture of a poly(ethylene terephthalate) and a copolyester of isophthalic and terephthalic acid, ethylene glycol and 1,3 bis(2-hydroxyethoxy)benzene is disclosed. The novel material disclosed is suitable for fabrication into container parison, hollow containers, sheet stock and film. Such articles exhibit excellent gas barrier properties, mechanical strength and processability.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.