White polyolefin compositions having reduced die drool

Details White polyolefin compositions having reduced die drool White polyolefin compositions having reduced die drool

C - Chemistry, Metallurgy

08

K

C08K 5/37 (2006.01) C08K 5/378 (2006.01) C08L 23/04 (2006.01) C08L 23/10 (2006.01)

Patent

CA 2564361

Filled polyolefin compositions suitable for use in extrusion/coextrusion processes which reduce die drool are provided. More particularly, the compositions are white or opaque compositions comprising a polyolefin, whitening or opacifying inorganic filler and a mercaptobenzimidazole compound.

L'invention porte sur des compositions chargées en polyoléfines et appropriées pour être utilisées dans des processus d'extrusion/coextrusion qui permettent de réduire la coulure de la filière. Les compositions sont plus particulièrement des compositions blanches ou opaques comprenant une polyoléfine, une charge inorganique blanchissante ou opacifiante et un composé mercaptobenzimidazole.

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