Processes for producing a fluorinated ether compound are provided by which fluorinated ether compound capable of imparting excellent water/oil repellency, to a substrate surface or a hard coat layer can be easily produced in high yield. A process comprising reacting Rf(CF2)a-CF2OC(=O)Rf4 or Rf(CF2)a-C(=O)X1 with HN(-R1CH=CH2)2 to obtain Rf(CF2)a-C(=)N(-R1CH2=CH2)2 and a process comprising obtaining the above product and reacting the product with OHSiR2nL3-n to obtain Rf(CF2)a-C(=O)N(-R1CH2CH2SiR2nL3-n)2 wherein Rf is a linear polyfluoroalkyl group having at least two carbon atoms and at least one etheric oxygen atom between carbon atoms, Rf4 is a C1-30 perfluoroalkyl group or the like, X1 is a halogen atom, R1 is an alkylene group, a is an integer of from 1 to 5, R2 is a monovalent hydrocarbon group, L is a hydrolyzable group, and n is an integer of from 0 to 2.
本发明提供了一种生产
氟化醚化合物的工艺,通过该工艺可以轻松地生产出能赋予基材表面或硬涂层极佳拒
水/拒油性的
氟化醚化合物,且产量高。一种工艺,包括使 Rf(
CF2)a-
CF2OC(=O)Rf4 或 Rf(
CF2)a-C(=O)X1 与 HN(-R1CH=
CH2)2 反应,得到 Rf(
CF2)a-C(=)N(-R1 = )2 以及一种工艺,包括得到上述产物并使该产物与 OHSiR2nL3-n反应,得到Rf(
CF2)a-C(=O)N(-R1 SiR2nL3-n)2 其中Rf是线型多氟烷基,在碳原子之间具有至少两个碳原子和至少一个醚氧原子、Rf4 是 C1-30
全氟烷基或类似基团,X1 是卤素原子,R1 是亚烷基,a 是 1 至 5 的整数,R2 是单价烃基,L 是可
水解基团,n 是 0 至 2 的整数。