Copolymers of (meth) acrylic acid esters as flow improvers...

Details Copolymers of (meth) acrylic acid esters as flow improvers... Copolymers of (meth) acrylic acid esters as flow improvers...

C - Chemistry, Metallurgy

10

L

44/19, 196/68

C10L 1/18 (2006.01) C10L 1/196 (2006.01)

Patent

CA 1327538

ABSTRACT OF THE DISCLOSURE Method of reducing the pour-point and improving the flowability of petroleum oil or a fraction thereof by adding thereto a flowability-improving quantity of at least one copolymer of (a) an acrylic acid ester, a methacrylic acid ester, or a mix- ture of an acrylic acid ester and a methacrylic acid ester, and (b) not more than 20 % by weight, based on the weight of the copolymer, of acrylic acid, methacrylic acid, or a mixture of acrylic acid and methacrylic acid, and wherein said esters in com- ponent (a) are esters of a C16 or higher alcohol or an alcohol mixture wherein at least 75% by weight thereof is one or more alcohols containing at least 16 carbon atoms; and the compositions resulting therefrom.

592935

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