Butene-1 (co)polymers and process for their preparation

Details Butene-1 (co)polymers and process for their preparation Butene-1 (co)polymers and process for their preparation

C - Chemistry, Metallurgy

08

F

C08F 10/08 (2006.01) F16L 9/00 (2006.01) C08F 110/08 (2006.01) C08F 210/08 (2006.01)

Patent

CA 2452034

The present invention relates to butene-1 homopolymers, or copolymers containing up to 20 % by weight of alpha olefins having from 2 to 10 carbon atoms other than butene-1, characterized by the following properties: (i) a Molecular Weight Distribution (MWD) in terms of Mw/Mn, measured by GPC analysis according to the method specified, of lower than 6; and (ii) a melt strength (measured according to the method specified below) higher than 2.8.

L'invention concerne des homopolymères ou des copolymères de butène-1 contenant jusqu'à 20 % en poids d'alpha oléfines qui comprennent 2 à 10 atomes de carbone autres que butène-1, caractérisé par les propriétés suivantes: i) distribution de poids moléculaire (MWD) en terme de Mw/Mn mesurée par analyse GPC selon le procédé spécifié, inférieure à 6; et ii) résistance à la fusion (mesurée selon le procédé spécifié) supérieure à 2,8.

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