Ethylene latex copolymer compositions

C - Chemistry – Metallurgy – 08 – F

Patent

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C08F 210/00 (2006.01) C08F 2/44 (2006.01) C08F 218/02 (2006.01) C08F 255/02 (2006.01) C08F 257/02 (2006.01) C08F 265/04 (2006.01) C08F 291/00 (2006.01) C08F 292/00 (2006.01) C08L 51/00 (2006.01) C08L 51/10 (2006.01)

Patent

CA 2298006

Latex copolymer compositions copolymerized from alkenes, e.g., ethylene, are disclosed. Typical copolymer compositions comprise ethylene, vinyl acetate and optionally other monomers, such as, for example, higher branched vinyl esters, e.g., vinyl neodecanoate. Processes for producing the copolymer compositions are disclosed which can provide enhanced incorporation of the alkene monomer into the copolymer compositions. As a result, the processes can be operated at substantially lower pressures than commonly used for manufacturing alkene- containing latex copolymers.

L'invention concerne des compositions copolymères de latex copolymérisées à partir d'alcènes, par exemple, d'éthylène. Les compositions copolymères d'éthylène typiques comprennent de l'éthylène, de l'acétate de vinyle et éventuellement d'autres monomères, tels que, par exemple, des esters vinyliques supérieurs ramifiés, comme par exemple le néodécanoate vinylique. L'invention porte aussi sur des procédés de production de compositions copolymères, qui peuvent faciliter l'incorporation du monomère d'alcène dans les compositions copolymères. Ainsi, lesdits procédés peuvent être mis en oeuvre à des pressions sensiblement inférieures à celles utilisées pour la fabrication de copolymères de latex contenant de l'alcène.

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