Effect of thermal treatment on solution grown crystals of isotactic propylene/butene-1 copolymers
β Scribed by Paolo Cavallo; Ezio Martuscelli; Mariano Pracella
- Publisher
- Elsevier Science
- Year
- 1977
- Tongue
- English
- Weight
- 428 KB
- Volume
- 18
- Category
- Article
- ISSN
- 0032-3861
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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 stru
Optical microscopy, differential scanning calorimetry, and small-angle X-ray scattering techniques were used to study the influence of crystallization conditions on the morphology and thermal behavior of samples of ternary blends constituted by isotactic polypropylene (iPP), atactic polystyrene (aPS
Blends of isotactic polypropene (i-PP) with random ethene/1-butene (EB) copolymers containing 10, 24, 48, 58, 62, 82, and 90 wt % 1-butene were prepared in order to examine the influence of the EB molecular architecture on the morphology development as well as on the thermal and mechanical propertie