| 摘要 |
<p>A compound having the formula: R1OOC-(CH2)n-CH(CH2CH2SO3X)-(CH2)m-COOR2 where n is an integer from 1 to 10, m is an integer from 1 to 10, X is an alkali metal selected from the group consisting of lithium, sodium and potassium, and R1 and R2 are independently selected from hydrogen and alkyl groups having one to four carbon atoms is disclosed, and use thereof as a cationic dyeability modifier, e.g., for incorporation into polyesters and polyamides to increase their affinity for basic dyes.</p> |
