| 摘要 |
<p>Title cpds. of formula I: CnF2n+1-(CH2)a-CO- -(CH2)p- (CH2)q-COO- (where CnF2n+1 is a perfluoro chain; n is 1-20; a is 2-10; R1 is H or C1-6 alkyl; R2 and R3 are each C1-3 alkyl; p and q are each 0-10), are used as surface active agents in the textile industry, paints and similar products. The compds. I have a good foaming and film-forming activity, and considerably lower the surface tension of water and solvents.</p> |
