Polylactic acid film
US8748543B2 · kind B2 · utility
4Cited by
1References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 29, 2009 |
| Grant date | Jun 10, 2014 |
| Priority date | — |
| Expiry date | Mar 15, 2030 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/13363
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The polylactic acid film is obtained by melt extruding polylactic acid (A) prepared by melt kneading together polylactic acid (B) which comprises an L-lactic acid unit as the main ingredient and polylactic acid (C) which comprises a D-lactic acid unit as the main ingredient in a specific weight ratio, wherein the polylactic acid film has:
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.