Polymeric compositions comprising polylactic acid and methods of making and using same
US8545971B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 30, 2008 |
| Grant date | Oct 1, 2013 |
| Priority date | — |
| Expiry date | Dec 23, 2030 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2931
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A multi-component article comprising a first component comprising a biodegradable polymer, and a second component comprising a polyolefin and a reactive modifier. A method of preparing a multi-layer film comprising coextruding first and second film layers, wherein the first layer comprises a polylactic acid and the second layer comprises a polyolefin and an epoxy-functionalized polyolefin. A method of preparing a multi-component fiber comprising coextruding a core component and a sheath component, wherein the core component comprises a polyolefin and an epoxy-functionalized polyolefin and the sheath component comprises a polylactic acid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.