Abstract: A multi-layer microporous battery separator which comprises: a high molecular weight polypropylene layer having a melt flow index of ?1.2 measured at layer; a polyethylene layer; and a high molecular weight polypropylene layer having a melt flow index of ?1.2 measured at layer. The resulting microporous battery separator which is formed by a dry stretch process produces the microporous battery separator which has a porosity of ?37% while maintaining a gurley from 13-25 seconds and a thickness of ?25 microns.

Abstract: A battery separator comprises a co-extruded, microporous membrane having at least two layers made of extrudable polymers and having: a uniform thickness defined by a standard deviation of <0.80 microns (?m); or an interply adhesion as defined by a peel strength >60 grams.

Abstract: A multi-layer microporous battery separator which comprises: a high molecular weight polypropylene layer having a melt flow index of ?1.2 measured at layer; a polyethylene layer; and a high molecular weight polypropylene layer having a melt flow index of ?1.2 measured at layer. The resulting microporous battery separator which is formed by a dry stretch process produces the microporous battery separator which has a porosity of ?37% while maintaining a gurley from 13-25 seconds and a thickness of ?25 microns.

Abstract: The battery separator for a lithium battery is made from a nonwoven flat sheet material having high temperature melt integrity, a microporous membrane having low temperature shutdown properties, and an adhesive bonding the nonwoven flat sheet to the microporous membrane and being adapted for swelling when contacted by an electrolyte.

Abstract: A method for selectively blocking flow of manganese ions from manganese dioxide electrode to a lithium electrode in lithium-manganese dioxide cell comprising the steps of: providing a lithium electrode adapted to providing lithium ions; providing a manganese dioxide electrode adapted to providing manganese ions; and blocking flow of manganese ions from the manganese dioxide electrode to the lithium electrode but allow lithium ions to flow freely between the lithium electrode to the manganese dioxide electrode and back by; providing a battery separator between the manganese dioxide electrode and the lithium electrode where the separator selectively allow transport of lithium ions between the lithium electrode to the manganese dioxide electrode, but blocks flow of manganese ions from the manganese dioxide electrode to the lithium electrode.

Abstract: The present invention provides for a method and a reactor for generating hydrogen from a metal hydride. The method includes the steps of: providing a fuel containing a metal hydride and water; catalyzing a reaction of the hydride and water by using a functional membrane system; and thereby generating hydrogen. The reactor for generating hydrogen includes a vessel, and a functional membrane system disposed within the vessel. The functional membrane system compartmentalizes the vessel into two chambers. One of the two chambers is a fuel chamber, and the other chamber is a hydrogen chamber. Fuel, containing a metal hydride and water, is introduced to the fuel chamber, where it undergoes a catalytic reaction to generate hydrogen. The generated hydrogen then passes through the functional membrane system into the hydrogen chamber, and exits the reactor via the hydrogen outlets. The functional membrane system includes a membrane and a catalyst.

Abstract: The battery separator for a lithium battery is made from a nonwoven flat sheet material having high temperature melt integrity, a microporous membrane having low temperature shutdown properties, and an adhesive bonding the nonwoven flat sheet to the microporous membrane and being adapted for swelling when contacted by an electrolyte.

Abstract: A cut resistant fabric is made from woven or knitted yarn; the yarn includes a cut resistant fiber having a tenacity of less than about 10 grams/denier. A cut resistant fabric is made from woven or knitted yarn. The yarn includes a polyethylene fiber having a tenacity of less than about 10 grams/denier and a molecular weight of about 100,000. The yarn may be in the form of a composite yarn having a core and a wrap. The polyethylene fiber is in the wrap.

Abstract: A tent fabric constructed substantially of woven polyethylenenaphthalatebibenzoate (PENBB) yarns. The PENBB yarns of the fabric exhibit very low tenacity loss resulting from UV degradation, and exhibit very good dimensional stability, very low hot air shrinkage and very low creep. A flame retardant polymer may be added to the PENBB polymer before extrusion to provide flame resistance.