| 摘要 |
<p>A vinyl acetate copolymerizate of monomers being a free-radical polymerized copolymerizate having monomer units consisting essentially of A. FROM 60% TO 80% BY WEIGHT OF VINYL ACETATE UNITS, B. FROM 10% TO 20% BY WEIGHT OF UNITS OF A MALEIC ACID DIESTER WITH A STRAIGHT-CHAINED ALKANOL-1 HAVING FROM ABOUT 8 TO 10 CARBON ATOMS, C. FROM 5% TO 20% BY WEIGHT OF UNITS OF A MONO-OLEFINICALLY UNSATURATED ESTER HAVING FROM 6 TO 8 CARBON ATOMS AND A HYDROPHILIC GROUP, AND D. FROM 3% TO 10%, PARTICULARLY 7%, BY WEIGHT OF CROTONIC ACID; AS WELL AS AN ALCOHOLIC SOLUTION THEREOF AND SALTS THEREOF.</p> |
