Journal
POLYMER-PLASTICS TECHNOLOGY AND ENGINEERING
Volume 57, Issue 3, Pages 229-241Publisher
TAYLOR & FRANCIS INC
DOI: 10.1080/03602559.2017.1320720
Keywords
Blends; interfaces; morphology; structure-property relationships
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Funding
- Ministry of Science, Education and Sports of the Republic of Croatia
- Ministry of Higher Education, Science and Technology of the Republic of Slovenia
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The effects of different contents of two metallocene propylene-based m-EPR elastomers on structure, morphology, thermal, and dynamic mechanical properties of the isotactic polypropylene/m-EPR blends were investigated. The both m-EPR copolymers have been built in isotactic polypropylene matrix as amorphous phase. However, the nucleation effect at lowest addition (2.5vol%) and the solidification effect along with increased m-EPR's additions have caused changes of the crystallinity degree and the size of spherulites in the isotactic polypropylene matrix. Higher degree of miscibility/compatibility of the isotactic polypropylene/m-EPR2, with lower viscosity has been observed. Homogeneous dispersion of m-EPR particles as well as their radial distribution has been observed. [GRAPHICS] .
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