Basell Polyolefine Gmbh

Rita Martelli

Luigi Resconi

Giampaolo Pellegatti

Simona Guidotti

Daniele Bigiavi

Maria Silvia Tonti

A 1-butene/propylene copolymer composition having a content of propylene derived units from 1 to 4% by weight, wherein at least 50% of the crystalline polymer is present in the thermodynamically stable, trigonal Form I (detected by DSC analysis) after 100 hours of the first melting at room temperature comprising:

1-butene propylene copolymer compositions

A 1-butene/propylene copolymer composition having a content of propylene derived units from 4 to 10% by weight, wherein at least 50% of the polymer is present in the thermodynamically stable, trigonal form I after 100 hours at room temperature, said composition comprising:

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Ferrara, Italy

Rita Martelli