Coating grade polylactide and coated paper, preparation and uses thereof, and articles prepared therefrom
US6183814A · kind A · utility
79Cited by
23References
45Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 23, 1997 |
| Grant date | Feb 6, 2001 |
| Priority date | — |
| Expiry date | May 23, 2017 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/3179
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A coated paper product including a paper layer and a polymer layer, wherein the polymer layer includes a polylactide polymer composition having a ratio of Mz to Mn of greater than about 6. The polymer composition, when melted, exhibits a die swell of greater than about 1.25 for a melt flow index of greater than about 2. Polymer lactide compositions, methods of manufacturing the polymer composition and the coated paper product, and articles produced therefrom are also described.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.