MULTILAYER MICROPOROUS MEMBRANES, METHODS OF MAKING SUCH MEMBRANES AND THE USE OF SUCH MEMBRANES ON BATTERY SEPARATOR FILM

摘要

The invention generally relates to polymeric microporous membranes, and more particularly relates to liquid-permeable multilayer polymeric membranes having one or more filled microlayers, methods for producing these membranes, and the use of these membranes as battery separator film.