PP/ROSIN Blends: Isothermal Crystallization
| Autor: | Luis C. Mendes, B. S. Chagas, R. S. Cardoso, G. F. Moraes |
|---|---|
| Rok vydání: | 2000 |
| Předmět: |
Polypropylene
Materials science Polymers and Plastics General Chemical Engineering Rosin Isothermal crystallization Oligomer Isothermal process Analytical Chemistry chemistry.chemical_compound Glycerol ester of wood rosin Radial growth Spherulite chemistry Chemical engineering Polymer chemistry medicine medicine.drug |
| Zdroj: | International Journal of Polymeric Materials and Polymeric Biomaterials. 46:801-808 |
| ISSN: | 1563-535X 0091-4037 |
| DOI: | 10.1080/00914030008033915 |
| Popis: | The isothermal crystallization of polypropylene (PP) melt blended with a glycerpl ester of hydrogenated rosin (ester gum) (PP/ROSIN) were prepared under select conditions using up to 50% of rosin revealed phase separation. The presence of rosin changed the radial growth rate and size of PP spherulites. The rosin-separated domains were noticed in the intraspherulitic and interspherulitic regions and increased in size when the oligomer enriched the blends. Up to 30% of rosin, samples isothermally crystallized at 125°C showed a decrease of spherulite radial growth rate and above that amount an increase was observed. |
| Databáze: | OpenAIRE |
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