Use of comb polymers for reducing fuel consumption

Use of comb polymers for reducing fuel consumption

  • CN 101,687,963 A
  • Filed: 04/10/2008
  • Published: 03/31/2010
  • Est. Priority Date: 07/09/2007
  • Status: Active Application
First Claim
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1. comb shaped polymer is used to reduce the purposes of fuel consumption in vehicles;

  • this comb shaped polymer comprises on main chain derived from the repeating unit based on polyolefinic macromonomer;

    with derived from being selected from styrene monomer with 8 to 17 carbon atoms;

    (methyl) alkyl acrylate that has 1 to 10 carbon atom on the alcohol radical;

    the vinyl ester that on acyl group, has 1 to 11 carbon atom;

    the vinyl ether that has 1 to 10 carbon atom on the alcohol radical;

    (2) alkyl fumarate that has 1 to 10 carbon atom on the alcohol radical;

    the repeating unit that has the low molecular weight monomers of (two) alkyl maleic acid ester of 1 to 10 carbon atom and these monomer mixtures on the alcohol radical;

    wherein the mole degree of branching arrives within the 10mol% scope 0.1; and

    comb shaped polymer based on the weight of repeating unit comprise at least 80 weight % altogether derived from based on the repeating unit of polyolefinic macromonomer with derived from being selected from styrene monomer with 8 to 17 carbon atoms;

    (methyl) alkyl acrylate that has 1 to 10 carbon atom on the alcohol radical;

    the vinyl ester that on acyl group, has 1 to 11 carbon atom;

    the vinyl ether that has 1 to 10 carbon atom on the alcohol radical;

    (2) alkyl fumarate that has 1 to 10 carbon atom on the alcohol radical;

    the repeating unit that has the low molecular weight monomers of (two) alkyl maleic acid ester of 1 to 10 carbon atom and these monomer mixtures on the alcohol radical.

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