Multimodal heterophasic copolymer and thermoformed articles from same
US8809461B2 · kind B2 · utility
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13Claims
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Key dates
| Filing date | Apr 28, 2011 |
| Grant date | Aug 19, 2014 |
| Priority date | — |
| Expiry date | Apr 28, 2031 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/1352
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Disclosed is a multimodal propylene impact copolymer composition with improved stiffness while maintaining good impact strength. The continuous phase has a broad PI and provides the multimodal propylene impact copolymer composition with excellent processability. Thermoformed articles made from the multimodal propylene impact copolymer exhibit improved rigidity and good impact strength.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.