IONISING RADIATION GRAFTING METHOD USING A REACTIVE SURFACTANT MOLECULE AND RESULTING TEXTILE SUBSTRATE AND BATTERY SEPARATOR

摘要

The invention relates to a method for grafting functional chemical groups to a textile substrate, wherein the substrate is impregnated with a solution of a functional molecule, containing the functional chemical group and a group that is reactive to ionising radiation, as well as a surfactant molecule that can improve the wettability of the textile substrate by the solution. The surfactant molecule contains at least two types of groups that are reactive to ionising radiation. Subsequently, ionising radiation is applied to the impregnated textile substrate and the reaction of the reactive groups bridge-grafts the functional molecules to the surfactant molecules. The invention also relates to a textile substrate and a battery separator grafted using the above method.