Polylactide resin, method of preparing the same, and polylactide resin composition comprising the same
US8779083B2 · kind B2 · utility
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15Claims
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Key dates
| Filing date | Sep 2, 2010 |
| Grant date | Jul 15, 2014 |
| Priority date | — |
| Expiry date | Apr 26, 2031 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L79/00
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Disclosed are polylactide resin that may exhibit and maintain excellent mechanical properties, exhibit excellent heat resistance, and thus can be used for a semi-permanent use, a method for preparing the same, and a polylactide resin composition comprising the same.The polylactide resin has a low hydrolysis rate constant of 0.1 day−1 or less and a weight average molecular weight of 100,000˜1,000,000, under specific conditions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.