PRIMER LAYER COMPOSITION, SECONDARY BATTERY POUCH FILM USING THE SAME, AND METHOD OF MANUFACTURING THE SAME

Number of patents in Portfolio can not be more than 2000

United States of America

APP PUB NO 20220077439A1
SERIAL NO

17083637

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Abstract

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Disclosed are a method for manufacturing a secondary battery pouch film having at least an outer layer, a metal layer, a primer layer, and a sealant layer, or at least an outer layer, a metal layer, a primer layer, a melt-extrusion resin layer, and a sealant layer in this order, the method including: a drying process of applying and heating a primer layer composition on the metal layer so as to dry the primer layer composition and cure at least a part of the primer layer composition. The organic solvent-based emulsion composition contains acid-modified polypropylene and a curing agent and has a curing start temperature of 150° C. or lower, preferably 135° C. to 150° C., and a drying process temperature of 150° C. or lower, preferably 135° C. to 150° C. The method is not subjected to a thermal lamination process when laminating sealant layer.

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Patent Owner(s)

Patent OwnerAddress
YOULCHON CHEMICAL CO LTD112 YEOUIDAEBANG-RO DONGJAK-GU SEOUL 07057 07057

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Han, Hee Sik Gyeonggi-do, KR 22 60
Lee, Ji Min Gyeonggi-do, KR 94 860
Park, Han Chul Seoul, KR 9 13
Song, Nok Jung Seoul, KR 16 1

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