Applications of shaped nano alumina hydrate as barrier property enhancer in polymers
US8575255B2 · kind B2 · utility
2Cited by
44References
18Claims
0Family size
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Key dates
| Filing date | Oct 17, 2008 |
| Grant date | Nov 5, 2013 |
| Priority date | — |
| Expiry date | Oct 17, 2028 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2993
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A polymer composition having enhanced barrier properties includes a polymer base and alumina particulates dispersed within the polymer base. The alumina particulates have a secondary aspect ratio at least about 3:1. The polymer composition has an Oxygen Transfer Index of at least about 150.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.