| abstract |
The manufacture of ion-exchanging shaped articles, in particular fibers, fabrics and membranes, by polymerization of the polymerizable monomers of a homogeneous mixture of a polyolefin, a vinylaromatic compound, an aromatic divinyl compound and a solvent of low volatility, converting said mixture to a shaped article, removing the said solvent and introducing ion-exchanging groups into the said shaped article. |