Laminated non-woven sheet

Details Laminated non-woven sheet Laminated non-woven sheet

1972-11-06

1978-03-07

Kendell, Lorraine T.

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Separator, retainer or spacer insulating structure

156290, 156291, 156306, 428198, 428288, 428296, 429142, B32B 714, B32B 3100, D04H 100

Patent

active

040781240

ABSTRACT:
A laminated non-woven sheet battery separator is made from non-woven mats of melt-blown thermoplastic polymer fibers. The non-woven sheets may be produced by either point welding or using adhesives to laminate at least one non-woven mat having a high strip tensile strength to at least one non-woven mat having a high tear resistance so that the sheets have both high strip tensile strength and high tear resistance.

REFERENCES:
patent: 2464301 (1949-03-01), Francis
patent: 3097975 (1963-07-01), Horn et al.
patent: 3344013 (1967-09-01), Fahrbach
patent: 3615865 (1971-10-01), Wetherell
patent: 3715251 (1973-02-01), Prentice

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