High gloss polyethylene articles
US7195806B2 · kind B2 · utility
4Cited by
61References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 20, 2004 |
| Grant date | Mar 27, 2007 |
| Priority date | — |
| Expiry date | Jan 17, 2025 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/1352
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
The present invention includes an end use article (i.e., an article of manufacture) and a process for making the same, wherein the end use article has a relatively high gloss and exhibits excellent processability over a wide range of processing conditions. The end use article can be formed with glossy polyethylene having an “a” parameter less than or equal to about 0.40, and the glossy polyethylene can be a Metallocene polyethylene. The end use article can have a 60° specular gloss of at least about 40%, or from about 40% to about 80%, or from about 60% to about 80%. The end use article may be pigmented or unpigmented.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.