Polyethylene molding compositions

Details Polyethylene molding compositions Polyethylene molding compositions

C - Chemistry, Metallurgy

08

L

C08L 23/04 (2006.01) C08K 3/04 (2006.01)

Patent

CA 2152239

Polyethylene molding compositions for producing moldings having a surface resistance of at most 109.OMEGA., comprising a) from 0.1 to 80% by weight of a polyethylene or an ethylene copolymer having an intrinsic viscosity of from lO0 to 700 ml/g, b) from 99.9 to 20% by weight of a polyethylene having an intrinsic viscosity of at least 1600 ml/g, where the sum of the components a and b is always 100% by weight and the intrinsic viscosity of the polymer mixture of a and b is at least 1600 ml/g, c) from 1.0 to 10.0% by weight (based on 100% by weight of the polymer mixture of a and b) of carbon black and d) from 0 to 5.0% by weight (based on the mixture of c and the polymer mixture of a and b) of customary additives.

Compositions de polyéthylène à mouler pour produire des moulages ayant une résistance superficielle n'excédant pas 109 ohms comprenant a) de 0,1 à 80 % en poids d'un copolymère de polyéthylène ou d'éthylène ayant un indice limite de viscosité de 100 à 700 ml/g, b) de 99,9 à 20 % en poids d'un polyéthylène ayant un indice limite de viscosité d'au moins 1 600 ml/g, la somme des constituants a et b étant toujours égale à 100 % en poids et l'indice limite de viscosité du mélange de polymères a et b étant au moins 1 600 ml/g, c) de 1,0 à 10,0 % en poids (par rapport à 100 % en poids du mélange des polymères a et b) de noir de carbone et d) de 0 à 5,0 % en poids (par rapport au mélange de c et au mélange des polymères a et b) des additifs usuels.

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