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Publikováno v:
Journal of Polymer Science Part A: Polymer Chemistry. 53:863-874
For a long time ethylene-propylene rubber (EPR) copolymers with high comonomer contents were believed to be amorphous materials with a random copolymer composition. This is not completely correct as has been shown by temperature rising elution fracti
Autor:
Anita Dimeska, Paul J. Phillips
Publikováno v:
Polymer. 47:5445-5456
Two random propylene copolymers with low ethylene content synthesized by Ziegler–Natta catalysts were used is this study to investigate the formation of γ-crystal phase during isothermal crystallization at high pressures. At atmospheric pressure t