• Adhesive for Lithium ion battery pouch which can be laminated at low temperature.

    HARDLEN®

Features

  • ● Low temperature lamination. (around 80℃)
  • ● Excellent intial peeling strength
  • ● Excellent electrolyte solution resistance
  • ● Short curing
  • ● Long pot life

Specification・Performance

  • ● Recommended formulation
Process Recommended conditions Remarks
Composition ①PMA-KE solution　100g
(NV＝20wt％.CH/MEK＝90/10)
②CH　39g
③MEK　51g
④LAE-004　1.7g
(NV=65wt％)		 ・Recommended to follow the exact composition ratio to get the right performance.
・Please charge in order from ①　to ④ while stirring.
・Good compatibility can be given by dilution. (MEK, CH)
CH:Cyclohexane MEK: Methyl Ethyl Ketone
Coating Coating amount=2g/m2（Dry）
Cr3+treated aluminum
Drying 100℃×1min
Laminating 80℃×1m/min×0.3MPa Lamination temperature over 80 ℃ is recommended to get the right performance
Curing 40℃×5D 40℃×５Days curing is recommended to get the right adhesion strength.
  • ● Test result
Main Agent PMA-KE Solution　(wt.) 100
Dilute solvent Cyclohexane　(wt.) 39
MEK　(wt.) 51
Hardner LAE-0041）　(wt.) 1.7
LAE-004 compositon ratio against PMA-KE 5.5phr
Formulation NV 11wt%
Solvent ratio CH/MEK=65/35wt.
Peeling strength Initial　(N/15mm) ＞10*
Electrolyte solution　　　 　85℃×1D(N/15mm)
After dipping　　　 　　　　 　　　　　　		 ＞10*
(1000ppm hydrogenation)　　　 　(N/15mm) ＞10*
  • 1）N.V.=65wt% MEK solution
    *CPP substrate failure(CPP)
  • 〇Electrolyte solution dipping test
  • Composition：EC(Ethylene carbonate)/DEC(Diethyl carbonate) / DMC (Dimethyl carbonate)=1/1/1(wt)
  • +LiPF6(=1mol/L)
  • Water added amount：1000ppm

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