✦ LIBER ✦

Impact modification of polypropylene by ethylene propylene copolymer-grafted maleic anhydride

✍ Scribed by M. Mehrabzadeh; K. Hossein Nia

Publisher: John Wiley and Sons
Year: 1999
Tongue: English
Weight: 385 KB
Volume: 72
Category: Article
ISSN: 0021-8995
DOI: 10.1002/(sici)1097-4628(19990606)72:10<1257::aid-app4>3.0.co;2-7

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✦ Synopsis

Blends of polypropylene (PP) and ethylene propylene rubber (EPR) were studied. The effect of the level of rubber addition and the ethylene content is described. The results show that the viscosity of the PP, rubber content, ethylene content, and grafted EPR by maleic anhydride (MA) are important factors in controlling the blend properties. The miscibility and dynamic properties of the blends were studied by DMTA. Impact and tensile properties were also studied. SEM was used for the investigation of the phase morphology and rubber particle size and particle-size distribution.

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