Blends of polyactic acid
US5216050A · kind A · utility
312Cited by
16References
13Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 6, 1990 |
| Grant date | Jun 1, 1993 |
| Priority date | — |
| Expiry date | Sep 6, 2010 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L2666/28
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
An environmentally degradable composition comprising blends of a physical mixture of poly(lactic acid), and a polymer selected from the group consisting of poly(ethylene terephthalate), a polymer or copolymer of styrene, ethylene, propylene, vinyl chloride, vinyl acetate, alkyl methacrylate, alkyl acrylate, and physical mixtures thereof; plasticized with D-lactic acid, L-lactic acid, racemic D,L-lactic acid, D-lactide, L-lactide, meso D,L-lactide, racemic, D,L-lactide, oligomers of lactic acid, oligomers of lactide, derivatives of oligomers of lactic acid, or various mixtures thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.