Polypropylene and polylactic acid blends of injection stretch blow molding applications
US8642701B2 · kind B2 · utility
3Cited by
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18Claims
0Family size
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Key dates
| Filing date | Feb 8, 2011 |
| Grant date | Feb 4, 2014 |
| Priority date | — |
| Expiry date | Sep 10, 2031 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/1397
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Injection stretch blow molded (ISBM) articles containing a bio-based polymers and methods of forming the same are described herein. The method generally includes providing a propylene-based polymer; contacting the propylene-based polymer with polylactic acid to form a polymeric blend; injection molding the blend into a preform; and stretch-blowing the preform into an article.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.