Copolymer composition for changing the rheological properties of Electrolyte-containing medium, METHOD OF PREPARING THEM (OPTIONS) AND ITS APPLICATION

摘要

A rheology modifying copolymer composition containing a cross-linked copolymer of unsaturated carboxylic acid, a hydrophobic monomer, a hydrophobic chain transfer agent, a cross linking agent, and, optionally, a steric stabilizer, provides increased viscosity in aqueous electrolyte-containing environments.