Poly(lactic acid) composition having improved physical properties
US5498650A · kind A · utility
21Cited by
6References
8Claims
0Family size
Assignee
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Key dates
| Filing date | Feb 24, 1995 |
| Grant date | Mar 12, 1996 |
| Priority date | — |
| Expiry date | Feb 24, 2015 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K5/1515
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A poly(lactic acid) composition having improved physical properties comprises a homogeneous solid solution of (a) a polymer having a number average molecular weight of 3,000-200,000 and selected from the group consisting of (1) poly(lactic acid), (2) copolymers of lactic acid containing at least 50 mole % lactic acid units, and (3) mixtures thereof; and (b) a plasticizer comprising an epoxidized oil selected from the group consisting of (1) epoxidized soybean oil; and (2) epoxidized linseed oil.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.