US2019115569A1PendingUtilityA1

Aqueous sealant composition for nonaqueous electrolyte battery

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Assignee: ZEON CORPPriority: Apr 15, 2016Filed: Apr 14, 2017Published: Apr 18, 2019
Est. expiryApr 15, 2036(~9.7 yrs left)· nominal 20-yr term from priority
Inventors:Kouichirou Maeda
C09D 123/12C08L 2201/54C09D 123/06H01M 10/0525C09D 5/022H01M 50/198H01M 50/193C09J 123/0876C08L 23/26C08L 23/12C08L 23/06H01M 50/183H01M 2300/0025Y02E60/10H01M 2/08
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Claims

Abstract

Disclosed is an aqueous sealant composition for a nonaqueous electrolyte battery by which a sealant layer having excellent properties can be obtained. An aqueous sealant composition for a nonaqueous electrolyte battery of the present disclosure comprises an aqueous dispersion in an amount of 70 mass % or more and 97 mass % or less by mass of solid content, wherein the aqueous dispersion comprises an olefinic polymer as a main component.

Claims

exact text as granted — not AI-modified
1 . An aqueous sealant composition for a nonaqueous electrolyte battery, comprising an aqueous dispersion in an amount of 70 mass % or more and 97 mass % or less by mass of solid content, wherein the aqueous dispersion comprises an olefinic polymer as a main component. 
     
     
         2 . The aqueous sealant composition for a nonaqueous electrolyte battery according to  claim 1 , further comprising:
 a water-soluble polymer in an amount of 3 mass % or more and 30 mass % or less by mass of solid content; and   a total solid content concentration of 5 mass % or more and 70 mass % or less.   
     
     
         3 . The aqueous sealant composition for a nonaqueous electrolyte battery according to  claim 2 , wherein the water-soluble polymer has a 4 mass % aqueous solution viscosity of 4 mPa×s or more and 500 mPa×s or less. 
     
     
         4 . The aqueous sealant composition for a nonaqueous electrolyte battery according to  claim 1 , wherein the aqueous dispersion is a dispersion of polyethylene or polypropylene in water, or a self-emulsified modified olefinic polymer. 
     
     
         5 . The aqueous sealant composition for a nonaqueous electrolyte battery according to  claim 2 , wherein the aqueous dispersion is a dispersion of polyethylene or polypropylene in water, or a self-emulsified modified olefinic polymer. 
     
     
         6 . The aqueous sealant composition for a nonaqueous electrolyte battery according to  claim 3 , wherein the aqueous dispersion is a dispersion of polyethylene or polypropylene in water, or a self-emulsified modified olefinic polymer.

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