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US 2022/0177774 A1Published application
Stabilized friction reducer emulsions
AssigneeRhodia Operations
InventorsHelène MARTIN, Patrick MOREAU, Arnaud CADIX
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Abstract
The instant invention friction reducer formulation comprising friction reducer polymers such as PAM within the dispersed phase of an inverse emulsion containing a composition C which comprises a mixture of: —at least an alkanolamide emulsifier; and —a block copolymer comprising: —a hydrophilic block A comprising units deriving from a mono-alpha-ethylenically-unsaturated monomers; and —a hydrophobic block B.
Claims15
A friction reducer formulation comprising friction reducer polymers within the dispersed phase of an inverse emulsion, wherein said inverse emulsion contains composition C comprising a mixture of:
- at least an alkanolamide emulsifier;
- and
- a block copolymer comprising:
- a block A which is a hydrophilic block comprising units derived from mono-alpha-ethylenically-unsaturated monomers;
- and
- a block B which is a hydrophobic block.
3 more elements
Dependencies are inferred from the claim text.