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Effects of the addition of a graft copolymer of propylene with styrene on thermal behavior, crystallization, and morphology of isotactic polypropylene

✍ Scribed by L. D'orazio; R. Guarino; C. Mancarella; E. Martuscelli; G. Cecchin

Publisher
John Wiley and Sons
Year
2000
Tongue
English
Volume
75
Category
Article
ISSN
0021-8995

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✦ Synopsis

A novel graft copolymer of unsaturated propylene with styrene (uPP-g-PS) was added to isotactic polypropylene (iPP) to investigate the state of mixing between uPP-g-PS and iPP phase and effects of the uPP-g-PS addition on iPP intrinsic phase structure, i.e., on iPP spherulitic texture and inner structure of the spherulites fibrillae. Thin films of iPP/uPP-g-PS blends containing 2, 5, and 10% (wt/wt) of graft copolymer were prepared by o-dichlorobenzene casting, according to the method we used previously to obtain samples of iPP/atactic polystyrene/uPP-g-PS ternary blends (D'Orazio et al.

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