Halar membranes

The invention claims comprising Halar (((polytetrafluoroethylene three fluorophlogopite silica chlorides))Lifting with the related chemical compound's porous membrane filter or the micro crosses the filter membrane and without made of toxic solvent the preparation method thereof. The preferably, solvent coating agent and A Kongji of the lemon thiourethane or three ethanoic acid glycerides. When the film of the form of hollow fibre or plate, and a to improve the film the performance for carrying hydrophilic/hydrophobic is balance comprising a reagents. Can also introduce the leaching agent wherein the film.