| abstract |
WATER-SOLUBLE, HYDROPHOBICALLY ASSOCIATING COPOLYMERS WHICH COMPRISE NEW TYPES OF HYDROPHOBICALLY ASSOCIATING MONOMERS. THE MONOMERS COMPRISE AN ETHYLENICALLY UNSATURATED GROUP AND A POLYETHER GROUP WITH BLOCK STRUCTURE COMPRISING A HYDROPHILIC POLYALKYLENE OXIDE BLOCK WHICH CONSISTS ESSENTIALLY OF ETHYLENE OXIDE GROUPS, AND A TERMINAL, HYDROPHOBIC POLYALKYLENE OXIDE BLOCK WHICH CONSISTS OF ALKYLENE OXIDES WITH AT LEAST 4, PREFERABLY AT LEAST 5 CARBON ATOMS. |