C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
C08F 210/16 (2006.01) C08F 4/24 (2006.01) C08L 23/08 (2006.01)
Patent
CA 2269896
The invention concerns a copolymer of ethylene and of at least one alpha-olefin obtained by means of a catalytic solid with chromium oxide base deposited on an inorganic support, said copolymer having an index of fluidity HLMI measured in g/10 min, an amount Q of alpha-olefin, expressed in g of alpha-olefin per kg of copolymer, a standard volume mass MVS measured in kg/m<3>, at least equal to (952.75 + 5.40 x log HLMI - 0.79 x Q), and a relatively large molar mass distribution, characterised by a dynamic viscosity ratio mu 0/ mu 2 at least equal to (23.67 - 6.67 x log HLMI).
Copolymère de l'éthylène et d'au moins une alpha-oléphine obtenu au moyen d'un solide catalytique à base d'oxyde de chrome déposé sur un support inorganique, ledit copolymère possédant un indice de fluidité HLMI mesuré en g/10 min, une quantité d'alpha-oléfine Q, exprimée en g d'alpha-oléfine par kg de copolymère, une masse volumique standard MVS mesurée en kg/m3, au moins égale à (952,75 +.5,40 x log HLMI - 0,79 x Q), et une distribution de masse moléculaire relativement large, caractérisée par un rapport des viscosités dynamiques µ0/µ2 au moins égal à (23,67 - 6,67 x log HLMI).
Ineos Manufacturing Belgium Nv
Robic
Solvay Polyolefins Europe - Belgium (societe Anonyme)
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