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Neopulim L (heat resistant transparent polyimide film)

  • Transparent colorless film

  • High glass transition temperature (≧300℃)
    • 　
  • Excellent dimensional stability with small heat
    　shrinkage
    • 　

    Property

      unit L-3430 L-1000 L-9000 Measuring method
    Glass Transition Temp. ℃ 303 260 315 DSC
    Transmittance ％ 90
    （100 μm）    		 89
    (100 μm)    		 89
    (50 μm)    		 JIS K7105
    CTE※ ppm/℃ 58 54 45 TMA
    100～150℃
    thickness μm 200,100,50,30 100,50,30 -
    width mm 500 -
    remarks - High Transmittance

    High Heat Resistance    		 Low Water Absorption

    Good adhesion with metal    		 High Heat Resistance -
      unit LH-1000 LH-4000
    developing    		 Measuring method
    Glass Transition Temp. ℃ 260 298 DSC
    Transmittance ％ 89
    (50 μm)    		 88
    (25 μm)    		 JIS K7105
    CTE※ ppm/℃ 40 28 TMA
    100～150℃
    thickness μm 50,25 (50),25 -
    width mm 500 - -
    remarks - Low Water Absorption

    Low CTE

    Low CTE

    		 -
    ※Coefficient of linear thermal expansion

    Thermal Property

      unit L-3430 L-1000 L-9000 Measuring method
    Glass Transition Temp. ℃ 303 260 315 DSC
    CTE※ ppm/℃ 58 54 45 TMA
    100～150℃

    Heat Shrinkage

    		 ％ 0.020 0.019 - JIS K7133
    200℃
    Specific Heat Jkg-1K-1 1750 1530 - DSC200℃
    Heat Conductivity Wm-1K-1 0.198 - - Laser flash
    200℃
      unit LH-1000 LH-4000
    developing    		 Measuring method
    Glass Transition Temp. ℃ 260 298 DSC
    CTE※ ppm/℃ 40 28 TMA
    100～150℃

    Heat Shrinkage

    		 ％ - - JIS K7133
    200℃
    Specific Heat Jkg-1K-1 - - DSC200℃
    Heat Conductivity Wm-1K-1 - - Laser flash
    200℃
    ※Coefficient of linear thermal expansion

    Optical Property

      unit L-3430 L-1000 L-9000 Measuring method
    Transmittance ％ 90
    (100μm)    		 89
    (100μm)    		 89
    (100μm)    		 JIS K7105
    Haze - 0.3
    (100μm)    		 0.4
    (100μm)    		 0.5
    (50μm)    		 -
    Refractive Index - 1.602 1.610 1.610 589.3nm
    Abbe Number - 30 27 - -
    Retardation nm 10～20
    (100μm)    		 10～20
    (100μm)    		 50～60
    (50μm)    		 In-plane direction
    Coeffcient of Photoelasticity 10-12㎡/N 55 58 - -
      unit LH-1000 LH-4000
    developing    		 Measuring method
    Transmittance ％ 89
    (50μm)    		 88
    (25μm)    		 JIS K7105
    Haze - 0.8
    (50μm)    		 1.18
    (25μm)    		 -
    Refractive Index - - - 589.3nm
    Abbe Number - - - -
    Retardation nm ～140
    (25μm)    		 150～300
    (25μm)    		 In-plane direction
    Coeffcient of Photoelasticity 10-12㎡/N - - -

    Mechanical Property

      unit L-3430 L-1000 L-9000 Measuring method
    Tensile Strength MPa 112 103 108 JIS K7127
    Tensile Modulus GPa 2.2 2.1 3.1 JIS K7127
    Tensile Elongation ％ 12 9 26 JIS K7127
    Flexural Modulus GPa 2.4 - - -
    Surface Roughness　Ra nm 0.2 0.2 - AFM
    200μm thick
    Surface Roughness　Rz nm 2.1 3.5 - AFM
    200μm thick
    Surface Hardness - H HB - -
      unit LH-1000 LH-4000
    developing    		 Measuring method
    Tensile Strength MPa 131 181 JIS K7127
    Tensile Modulus GPa 2.2 2.7 JIS K7127
    Tensile Elongation ％ 34 36 JIS K7127
    Flexural Modulus GPa - - -
    Surface Roughness　Ra nm - - AFM
    200μm thick
    Surface Roughness　Rz nm - - AFM
    200μm thick
    Surface Hardness - - - -

    Resistance to Chemical Substances

      L-3430 L-1000 L-9000 Measuring method
    Dichloromethane × × × JIS K7174

    23℃,50%RH

    7days dipped
    Methanol △ △ ○
    Isopropanol ○ ○ ○
    Acetone × × △
    Methyl ethyl ketone × × △
    Methyl isobutyl ketone ○ ○ ○
    Acetonitrile × △ ×
    Toluene △ ○ ○
    Propylene carbonate × × ×
      LH-1000 LH-4000
    developing    		 Measuring method
    Dichloromethane - - JIS K7174

    23℃,50%RH

    7days dipped
    Methanol - -
    Isopropanol - -
    Acetone - -
    Methyl ethyl ketone - -
    Methyl isobutyl ketone - -
    Acetonitrile - -
    Toluene - -
    Propylene carbonate - -
    • ○… no apperance change
      △… curl
      ×… solved or swelling or whitening


    Transmittance

    Measurement standard: JIS K5400



    Electrical Property

      unit L-3430 L-1000 L-9000 Measuring method
    Dielectric Constant - 2.9 3.2 - 1MHz
    Dissipation Constant - 0.006 0.005 - 1MHz
    Surface Resistivity Ω/□ 4.4E+16 4.8E+16 - 500V
    Volume Resistivity Ω・cm 7.3E+16 1.5E+17 - 500V
      unit LH-1000 LH-4000
    developing    		 Measuring method
    Dielectric Constant - - - 1MHz
    Dissipation Constant - - - 1MHz
    Surface Resistivity Ω/□ - - 500V
    Volume Resistivity Ω・cm - - 500V

    Others

      unit L-3430 L-1000 L-9000 Measuring method
    Water Absorption ％ 2.1 1.6 6.0 24hours
    dipped
    CHE※1 ppm/％RH 74 57 166 25℃20％
    RH，80％RH
    WVTR※2 g・mm /
    ㎡・day    		 22 17 50 JIS K7129A
    40℃90％RH
    Density kg/m3 1230 1260 - -
      unit LH-1000 LH-4000
    developing    		 Measuring method
    Water Absorption ％ - - JIS K7127
    CHE※1 ppm/％RH 38 - JIS K7127
    WVTR※2 g・mm /
    ㎡・day    		 12 2.8 JIS K7127
    Density kg/m3 - - -

    ※1Coefficient of linear humidity expansion
    ※2Water vapor transmission rate

    ※The data mentioned above is not guarantee value but representative one.

    Inquiries

    Aromatic Chemicals Company
    Planning & Development Division
    TEL: +81-3-3283-4816
    FAX: +81-3-3214-0938

    Inquiries Form