Patent ID: 11927069
Assignee: BAKER HUGHES HOLDINGS LLC
Field: Materials, metallurgy (Chemistry)
Classification: CPC E  C  Y | IPC C  E

Claim 5:
6. The downhole tool of claim 1, wherein the ionomer comprises a polymer backbone formed from one or more of the following monomers: an acid anhydride based monomer; an ethylenically unsaturated sulfonic acid; an ethylenically unsaturated phosphoric acid; an ethylenically unsaturated carboxylic acid; a monoester of an ethylenically unsaturated dicarboxylic acid; ethylene; propylene; butylene; butadiene; styrene; vinyl acetate; or (meth)acrylate; and wherein the ionomer comprises one or more of the following functional groups: a sulfonate group, a phosphonate group, a carboxylate group, a carboxyl group, a sulfonic acid group, or a phosphonic acid group.