| 摘要 |
<p>The invention relates to copolymers made of alkylene oxides and glycidyl ethers of formula (1), wherein R1 represents hydrogen or a C1-C4-alkyl radical, R2 and R4 represent an alkyl or aryl radical having 1 - 30 carbon atoms, R3 represents an alkyl or aryl radical having 1 - 50 carbon atoms and which can also contain heteroatoms, A represents an alkylene-unit having 2 - 6 carbon atoms, x represents a number from 0 - 10, y represents a number from 0 - 10, n represents a number from 0 - 100, k represents a number from 1 - 100, C represents an acidic group or hydrogen, and m represents a number from 1 500, with the proviso that (y+n) is at least equal to 1.</p> |
