| 摘要 |
<p>What is described herein is a terpolymer of maleic acid (MAA)/maleic anhydride (MAN)/alkylvinylether (AVE), made by partial cyclization, e.g. 1-99 %, of a maleic acid/alkylvinylether copolymer, preferably comprising, in mole %, 1-49 % MAA/1-49 % MAN/50 % AVE, and derivatized terpolymers thereof.</p> |
