Supermolecular structures in blends of polypropylene and ethylene–propylene rubber
✍ Scribed by M. Kryszewski; A. Gałȩski; T. Pakuła; J. Grȩbowicz; P. Milczarek
- Publisher
- John Wiley and Sons
- Year
- 1971
- Tongue
- English
- Weight
- 376 KB
- Volume
- 15
- Category
- Article
- ISSN
- 0021-8995
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The crystallization and morphology of reactor-made blends of isotactic polypropylene ( PP ) with a large content of ethylene -propylene rubber ( EPR ) (i.e., ú 50%) were investigated. In the blends, PP was found to form spherulites during the crystallization process, with the growth rate constant un
## Abstract A study of the dynamic complex and steady shear viscosity of isotactic polypropylene (iPP), ethylene–propylene diene terpolymer rubber (EPDM) and three different blends of both polymers are presented over a range of temperatures and frequencies. Moreover, the processability of these mat