| abstract |
ThenThe present invention relates to a polymer blend of at leastna comb copolymer I containing blocks of specialnStructural units according to claim 1 and at leastna copolymer II comprising polymerized optionally substitutednStyrene and maleic anhydride units whose carboxyl groups at leastnpartially as alkali metal, alkaline earth metal or ammonium saltsnas well as the use of these polymer blends asnand dispersants. |