Structural characterization of reactor blends of polypropylene and ethylene-propylene rubber
✍ Scribed by Márcia Pires; Raquel S. Mauler; Susana A. Liberman
- Publisher
- John Wiley and Sons
- Year
- 2004
- Tongue
- English
- Weight
- 128 KB
- Volume
- 92
- 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
The crystalline structure and physico-mechanical properties of polypropylene (PP) blended with ethylene-propylene copolymer (EPM) were investigated. WAXS diffractograms showed that the addition of EPM did not affect the crystalline structure of PP. DSC curves revealed the presence of two T g peaks i
## 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