COPONYL™

Optical Touch Panels

There are acrylic solvent thermosetting and hybrid UV curable types (solvent type / solvent-free type) used for smart phones and tablets with excellent permittivity control and optical properties.

For Optical Films

Grade

Technical data

Suitable for optical films with fine resistance, transmittance and other optical properties.

Grade Resin Properties Adhesion Properties Characteristics
Resin Content
(%)
Viscosity
(mPa・s/25℃)
Solvent Curing Agent Adhesive Thickness
(μm)
Adhesion(N/25mm)
*Glass substrate
Holding Power Ball Tack
(no.)
Type Amount Before Autocreve After Autocreve 80℃
N-2147 35.0±1.5 7000±1000 Ethyl acetate /
Toluene
L-55E 1.9 18 13.8 17.6 4 Strong adhesion
N-6593
(Development grade)
30.0±1.5 4500±1000 Ethyl acetate L-55E 1.6 18 3.5 4.2 9 Medium adhesion
N-6594
(Development grade)
35.0±1.5 3500±1000 Ethyl acetate L-55E 1.6 18 1.5 2.0 10 Weak adhesion
N-6941M 21.5±1.5 6500±1500 Ethyl acetate /
MEK
N-2128 1.6 25 27.9 - - High molecular weight, Strong adhesion, Good resistance, Blister resistance
N-9297
(Development grade)
22.0±1.0 9000±1000 Ethyl acetate /
Acetone
L-55E 1.0 25 - 3.0 - High molecular weight, Good resistance

*Autocreve: 50℃・0.5MPa×20min

OCA

Grade

Technical data

Designed for touch panel materials, having excellent optical properties.

Grade Resin Properties Adhesion Properties Characteristics
Resin Content
(%)
Viscosity
(mPa・s/25℃)
Solvent Curing Agent Adhesive Thickness
(μm)
Adhesion
(N/25mm)
Optical Properties
Type Amount Glass PC PMMA Haze
(%)
Total Light Transmittance
(%)
N-7136 32.0±1.5 8000±1500 Ethyl acetate /
Acetone /
MEK
L-55E 0.2 25 13.1 18.4 12.1 0.27 92.7 Thin layer application, Hard type, Corrosion resistance
50 13.9 23.5 18.0 0.30 92.7
N-6803 37.0±1.5 8000±1000 Ethyl acetate L-55E 0.2 25 8.8 11.9 8.7 0.27 93.1 Thin layer application, Standard type, Corrosion resistance
50 16.7 23.2 17.1 0.26 93.1
N-7520 35.0±1.5 6000±1500 Ethyl acetate L-55E 0.2 25 12.8 6.6 10.0 0.26 93.1 Thin layer application, Soft type, Corrosion resistance, Superior whitening resistance
50 21.5 14.2 20.5 0.27 93.1
N-7612 65.0±1.5 3000±1500 MEK /
Toluene /
Ethyl acetate
L-55E 1.0 50 18.7 16.3 23.6 0.27 93.1 Thick layer application, Soft type, Corrosion resistance, Superior whitening resistance
175 22.9 22.4 25.7 0.26 93.1
N-9369 55.0±1.5 7000±1000 MEK /
Toluene /
Ethyl acetate
L-55E 0.9 100 32.7 - - 0.30 93.2 Thick layer application, Corrosion resistance, Superior whitening resistance

*Adhesion : Tested on PET substrate (100μm)

Permittivity Control Type

Grade

Technical data

Wide range of permittivity to enhance sensitivity, or to reduce noises.

Grade Resin Properties Adhesion Properties Characteristics
Resin Content
(%)
Viscosity
(mPa・s/25℃)
Solvent Curing Agent Adhesive Thickness
(μm)
Adhesion
(N/25mm)
Optical Properties Relative Permitivity
Type Amount Glass Haze
(%)
Total Light Transmittance
(%)
1MHz
N-7000 38.5±1.5 3500±1500 MEK /
Tert-butyl alcohol
L-55E 0.3 50 15.0 0.27 93.1 9.5 High permittivity type, Acid-free
N-9260 50.0±1.5 8000±2000 Ethyl acetate /
Acetone /
MEK
L-55E 0.25 50 19.0 0.40 92.6 3.0 Low permittivity, Acid-free

*Adhesion : Tested on PET(100μm) substrate

Hybrid OCA

Designed as Optical Clear Adhesive (OCA). Thick layer is available with unique UV curing system

Grade Resin Properties Adhesion Properties Characteristics
Resin Content
(%)
Viscosity
(mPa・s/25℃)
Solvent Photo Initiator Adhesive Thickness
(μm)
Adhesion
(N/25mm)
Optical Properties
Type Amount Glass PC PMMA Haze
(%)
Total Light Transmittance
(%)
AN-023 65.0±1.5 2500±1000 Ethyl acetate I-500 0.3 175 30.0 29.0 28.0 0.25 93.0 Thick layer application, UV curable type, whitening resistance
250 31.0 37.0 30.0 - -
MN-013LA >99.0 13000±2000 I-500 0.8 80 32.0 25.0 29.0 0.30 93.2 Thick layer application, UV curable type, solvent-free, acid-free, whitening resistant, level difference conformable
180 34.0 31.0 30.0 0.40 93.2

*UV irradiation : 1000mJ/cm2 (High-pressure marcury lamp) *Adhesion: Tested on PET(100μm) substrate

Grade Resin Properties Adhesion Properties Characteristics
Resin Content
(%)
Viscosity
(mPa・s/25℃)
Solvent Curing Agent Photo Initiator Adhesive Thickness
(μm)
Adhesion
(N/25mm)
Optical Properties
Type Amount Type Amount Before UV Irradiation After UV Irradiation Haze
(%)
Total Light Transmittance(%)
NNS-020 50.0±
1.5
6000±
2000
Acetone /
MEK /
Ethyl acetate
L-55E 0.15 I-500 0.3 175 15.4 31.8 0.4 93.0 UV curable type, acid-free, whitening resistant, level difference conformable, blister resistant

*UV irradiation : 1000mJ/cm2 (High-pressure marcury lamp) *Adhesion: Tested on PET(100μm) substrate

Testing Methods (COPONYL)

NOTE: COPONYL is a trademark of The Nippon Synthetic Chemical Industry Co., Ltd. (NIPPON GOHSEI).

Inquiries

Feel free to contact NIPPON GOHSEI for technical inquires and ordering or to request catalogs, pricing estimates, etc.

03-6436-2815

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