Journal
POLYMER-PLASTICS TECHNOLOGY AND ENGINEERING
Volume 49, Issue 11, Pages 1108-1113Publisher
TAYLOR & FRANCIS INC
DOI: 10.1080/03602559.2010.496391
Keywords
Gas-cooling; Morphology; Poly(propylene) (PP); Roll pressing
Categories
Funding
- National Nature Science Foundation of China [50903033, 10872071]
- Science & Technology Project of Guangzhou City [2007Z2-D9151]
- Fundamental Research Funds for the Central Universities [2009ZM0317]
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By using a processing of gas-cooling and roll pressing (GCRP), the temperature, strain and stress of isotactic polypropylene (iPP) sheets can be controlled and both -modification and -modification can be found in the sheets. The tensile strength of sheet in longitudinal direction increased by 14.1% at most, tensile modulus 14.2%, flexural strength 50.3% and impact strength 22.2%. Therefore, the strength and toughness of iPP can be increased simultaneously by GCRP.
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