| 摘要 |
<p>A water-soluble polymer formed from unsatd. monomer(s), and contg. carboxylic, sulphuric or sulphonic acid gps. (or water-sol. salt), terminated by OH, COOH or 1-3C alkyl gps., with polydispersity (PD) below 1.5, and with Mw (on the full Na salt) of 1000-50,000 is claimed.</p> |
