Polylactic acid preparation method, polylactic acid resin prepared using the method, resin composition comprising the polylactic acid resin, and catalyst system for preparing polylactic acid
US9234075B2 · kind B2 · utility
1Cited by
11References
35Claims
0Family size
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Key dates
| Filing date | Oct 6, 2014 |
| Grant date | Jan 12, 2016 |
| Priority date | — |
| Expiry date | Oct 6, 2034 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G63/823
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A method of preparing polylactic acid by combining lactide with a main catalyst and cocatalyst, wherein the main catalyst includes an organometallic compound and a cocatalyst includes a nanoparticle; as well as a composition are provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.