| 摘要 |
The invention relates to coating formulations containing A) a silicon colloidal dispersion whose pH ranges from 2 to 12 and a solid material content ranges from 1 to 60 percent by weight with respect to the dispersion and which contains silicon oxide or aluminium modified silicon dioxide particles whose mean particle size ranges from 0.5 to 90nm; B) a fluorosilane of formula (1), wherein R<f> is a C4- à C16-perfluoroalkyl residue or the mixture thereof and X is a chlorine or bromine atom or a hydroxy, methoxy, ethoxy, propoxy, butoxy, pentoxy, methoxyethoxy, methoxy diethoxy, butoxyethoxy, butoxy diethoxy, methoxy propoxy, methoxy dipropoxy, butoxy propoxy or butoxy dipropoxy group; C) one or several catalysts of Brönstedt acid or Brönstedt bases group; and D) one or several organic solvents and/or water. |
