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Skin/core morphology and tensile impact strength of injection-molded polypropylene

✍ Scribed by Mitsuyoshi Fujiyama; Keiichi Azuma

Publisher
John Wiley and Sons
Year
1979
Tongue
English
Weight
429 KB
Volume
23
Category
Article
ISSN
0021-8995

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In this study the instrumented tensile (ITI) and falling weight impact (IFWI) behavior of injection-molded ␣and ␀-phase polypropylene (PP) homopolymers were compared at ambient temperature in a broad melt flow index (MFI ϭ 0.7-13 dg/min) range. It was found that the toughness of ␀-PP is superior to