C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
C08G 65/28 (2006.01) C10L 1/18 (2006.01) C10L 10/18 (2006.01)
Patent
CA 2282365
Oleophilic polyoxyalkylene monoethers having reduced water affinity are disclosed. The monoethers have a hydrocarbyl residue, a polyoxyalkylene moiety, and a hydroxyl end group. The monoethers contain less than about 6 mole percent of alkoxylated unsaturates, and preferably less than about 5 mole percent of polyoxyalkylene diols. The monoethers offer substantial advantages for fuel compositions, particularly reduced water affinity. By using deposit-control additives based on the monoethers, formulators can offer better fuels for cleaner engines.
L'invention concerne des monoéthers oléophiles de polyoxyalkylène présentant une hydrophilie réduite. Ces monoéthers possèdent un reste hydrocarbyle, une fraction polyoxyalkylène et un groupe terminal hydroxyle et contiennent moins de 6 moles % environ d'insaturés alcoxylés et de préférence moins de 5 moles % environ de polyoxyalkylène-diols. Ces monoéthers présentent des avantages considérables pour des compositions de carburant, notamment une hydrophilie réduite. En utilisant des additifs limitant le dépôt et contenant ces monoéthers, les ingénieurs-concepteurs peuvent offrir de meilleurs carburants à des moteurs qui seront plus propres.
Combs George
Mcdaniel Kenneth G.
Arco Chemical Technology L.p.
Bayer Antwerp N.v.
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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