Elastomeric copolymers of ethylene with propylene and...

Details Elastomeric copolymers of ethylene with propylene and... Elastomeric copolymers of ethylene with propylene and...

C - Chemistry, Metallurgy

08

F

C08F 210/16 (2006.01) C08F 4/642 (2006.01) C08F 4/659 (2006.01) C08F 4/6592 (2006.01)

Patent

CA 2123336

ABSTRACT OF THE DISCLOSURE Amorphous copolymers of ethylene with propylene, and optionally with minor amounts of polyenes, have the following characteristics: (A) the % content by mole of propylene in the copolymer (%P) and the triads ratio EPE/(EPE+PPE+PPP) satisfy the fol- lowing relationship: 0.01%P + EPE/(EPE+PPE+PPP) ? 1 (B) less than 2% of the CH2 groups in the chain are in sequences (CH2)n, wherein n is an even number. These copolymers are obtainable by operating in the pres- ence of particular metallocene catalysts having two fluorenyl groups joined together through a bridging group.

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