The present invention relates to mono- or bi-functional (per)fluoropolyethers comprising a linear (per)fluoropolyether chain having two ends, wherein one or two ends contain —CF(CF
3
)COF groups, to a process for preparing them and to their use as precursors in the preparation of further functionalised (per)fluoropolyethers. The invention also relates to these further functionalised (per)fluoropolyethers.
本发明涉及具有线性(per)
氟聚醚链的单功能或双功能(per)
氟聚醚,其具有两个末端,其中一个或两个末端含有—CF(
CF3)COF基团,以及其制备过程和作为前体物在制备进一步功能化(per)
氟聚醚中的应用。本发明还涉及这些进一步功能化的(per)
氟聚醚。