| 摘要 |
<p>The invention relates to a thickener containing i) at least one polymer which can be obtained by the polymerisation of a) at least one water-soluble ethylenically unsaturated monomer comprising at least one anionic monomer and/or at least one non-ionic monomer, b) at least one ethylenically unsaturated associative monomer, c) optionally at least one cross-linking agent, d) optionally at least one chain transfer agent, ii) at least one activator, the ratio between the activator and the polymer being > 10 -100 [wt.-% / wt.-%].</p> |
