Compositions containing slip and antiblock agents

C - Chemistry – Metallurgy – 08 – L

Patent

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Details

C08L 23/04 (2006.01) C08J 5/18 (2006.01) C08K 3/00 (2006.01) C08K 5/20 (2006.01) C08K 13/02 (2006.01) C08L 23/08 (2006.01) C08L 23/10 (2006.01)

Patent

CA 2284604

Disclosed are resin compositions comprising: a homogeneous ethylene/.alpha.- olefin interpolymer; and a saturated fatty acid amide or saturated ethylenebis(amide); and an unsaturated fatty acid amide or unsaturated ethylenebis(amide); and a finely divided inorganic compound. Also disclosed are compositions comprising a saturated fatty acid amide or saturated ethylenebis(amide), an unsaturated fatty acid amide or unsaturated ethylenebis(amide), and a finely divided inorganic compound and a substantially random interpolymer of one or more .alpha.-olefins with one or more vinylidene aromatic monomers and/or one or more hindered aliphatic or cycloaliphatic vinylidene monomers or blend compositions therefrom. Also disclosed are compositions which comprise at least one homogeneous ethylene/.alpha.-olefin interpolymer or substantially random interpolymer of one or more .alpha.-olefins with one or more vinylidene aromatic monomers and/or or more hindered aliphatic or cycloaliphatic vinylidene monomers, at least one slip agent, and at least one modifying agent comprising propylene homopolymers, propylene copolymers, nucleating agents, and mixtures thereof.

L'invention concerne des compositions résiniques qui renferment: un copolymère homogène d'éthylène/d'alpha-oléfine, un amide d'acide gras saturé ou un éthylène-bis(amide) saturé; un amide d'acide gras insaturé ou un éthylène-bis(amide) insaturé; et un composé inorganique finement divisé. L'invention concerne également des compositions renfermant un amide d'acide gras saturé ou un éthylène-bis(amide) saturé, un amide d'acide gras insaturé ou un éthylène-bis(amide) insaturé, un composé inorganique finement divisé, et un copolymère sensiblement aléatoire d'une ou plusieurs alpha-oléfines avec un ou plusieurs monomères de vinylidène aromatiques, et/ou un ou plusieurs monomères de vinylidène aliphatiques ou cycloaliphatiques inhibés, ou des compositions pour mélanges de ces monomères. L'invention concerne enfin des compositions renfermant au moins un copolymère homogène d'éthylène/d'alpha-oléfine ou un copolymère sensiblement aléatoire d'une ou plusieurs alpha-oléfines avec un ou plusieurs monomères de vinylidène aromatiques, et/ou un ou plusieurs monomères de vinylidène aliphatiques ou cycloaliphatiques inhibés, au moins un agent glissant, et au moins un agent de modification, renfermant des homopolymères de propylène, des copolymères de propylène, des agents de nucléation, et des mélanges de ces composants.

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