| 摘要 |
<p>Polyesters according to the following formula (I) are described wherein R1 and R2 independently of one another are H3C—(OC2H4)n—(OC3H6)m wherein the—(OC2H4) groups and the—(OC3H6) groups are arranged blockwise and the block consisting of the—(OC3H6) groups is bound to a COO group or are HO—(C3H6) or HO—(C4H8), n is based on a molar average a number of from 40 to 50, m is based on a molar average a number of from 1 to 7, and a+b is based on a molar average a number of from 4 to 9. The polyesters have an advantageous stability in alkaline environment, possess a beneficial solubility and advantageously are clearly soluble in alkaline compositions such as alkaline heavy duty washing liquids and also possess advantageous soil release properties.</p> |
