| abstract |
The present invention, which provides, a kind of to be capable of forming with water-repellancy, dials novel silane compound containing perfluor (poly-) ether shown in oiliness, soil resistance and layer with high surface slipperiness and the durability that rubs, formula (1) and containing the surface treating composition of the compound.[in formula, Rf expression can replace the C for having fluorine atom 1‑16 Alkyl, PFPE indicate perfluor (poly-) ether, X indicate 3~10 valences organic group, Y expression hydrogen atom, hydroxyl, the group or alkyl that can be hydrolyzed, Q expression-Z-SiR 1 p R 2 3‑p , the organic group of Z expression divalent, R 1 The group that indicates hydroxyl or can hydrolyze, R 2 Indicate C 1‑22 Alkyl or Q', Q' is identical as the meaning of Q, p is 0~3 integer in each Q and Q', and in formula (1), the summation of p is in 1 or more, Q, 5 are up to via Z group with the Si that straight-chain connects, the integer that the integer that k is 1~3, α and β are 1~9, the sum of α and β are the value of the valence mumber of X.](Rf-PFPE) α ‑X‑(SiQ k Y 3‑k ) β …(1)。 |