Clear, high-barrier polymer-platelet composite multilayer structures
US6395386B2 · kind B2 · utility
18Cited by
48References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 11, 1998 |
| Grant date | May 28, 2002 |
| Priority date | — |
| Expiry date | Dec 11, 2018 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31938
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
This invention relates to novel multilayer formed articles including, but not limited to containers such as bottles, tubes, pipes, preforms and films (including oriented films such as biaxially oriented) comprising a melt processible resin having dispersed therein a platelet filler. The multilayer formed articles have improved barrier while maintaining excellent clarity. More particularly, the multilayer structures of the present invention display haze values of less than about 2% and carrier resins which are substantially free from platelet particles having a diameter greater than about 15 microns.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.