Aromatic polyester composition
US6590044B2 · kind B2 · utility
16Cited by
2References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 15, 2002 |
| Grant date | Jul 8, 2003 |
| Priority date | — |
| Expiry date | Aug 15, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31786
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
An aromatic polyester composition includes 5 to 95 wt % of an ethylene naphthalenedicarboxylate copolymer and 95 to 5 wt % of an ethylene terephthalate (co)polymer, has a compatibility between these polymers of 0.15 to 0.5, and has a melting point which lowers depending on the content of ethylene naphthalenedicarboxylate. This composition has excellent compatibility, transparency, barrier properties and heat resistance and is an excellent raw material for forming various molded products, particularly bottles. A bottle and its production process are also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.