C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
C08L 33/04 (2006.01) C08F 290/06 (2006.01) C08L 23/02 (2006.01) C10M 157/00 (2006.01)
Patent
CA 2189915
The invention relates to polymer emulsions of poly(meth)acrylic acid esters and olefin copolymers suitable for improvement of the viscosity index, for use as oil additives. The polymer emulsion is formed of a continuous phase of ply(meth)acrylic acid esters and d-oligomers where the esters and oligomers have a bimodal molecular-weight distribution, a stabilizing agent (a graft or block polymerizate of an olefin copolymerizate and methacrylic acid esters), and a disperse phase of olefin copolymerizates distributed in the continuous phase.
Auschra Clemens
Beyer Claudia
Jelitte Ruediger
Omeis Juergen
Pennewiss Horst
Evonik Roehm Gmbh
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
Roehm Gmbh Chemische Fabrik
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