Method for the preparation of a heterophasic copolymer and uses thereof
US9416238B2 · kind B2 · utility
3Cited by
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23Claims
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Key dates
| Filing date | Jun 3, 2015 |
| Grant date | Aug 16, 2016 |
| Priority date | — |
| Expiry date | Jun 3, 2035 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L2314/02
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Methods for preparing an impact copolymer by selecting a continuous phase polymer having a first melt flow rate and selecting a rubber phase polymeric material such that the final melt flow rate of the impact copolymer is within 2 g/10 min of the first melt flow rate. Impact copolymers made from such methods and films and molded articles produced from such impact copolymers are also included.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.