abstract |
THE INVENTION RELATES TO COATING COMPOSITIONS. IT CONCERNS A DISPERSION IN THE FORM OF WATER, A POLYMER OF TETRAFLUOROETHYLENE, A POLYHYDROLYSABLE TRIALCOXYSILANE, A SILOXANE, SUCH AS AN ALKYL OR ALKYL-PHENYLSILOXANE, AND A POLYMER OF AN ES ACRYLIC ACID. USE FOR COVERING GLASS FILTERS SERVING SMOKE FILTERS TO IMPROVE THEIR RESISTANCE TO BENDING IN ACIDIC CONDITIONS. |