Usage detail
Colorless polyimide (poly (amic acid) ) varnish
Characteristic
- Basic Information
- Details of Characteristics
- Details of Applications
Overview
Especial clear resin innovative original solution
Characteristic of ECRIOS series
- Excellent optical properties
- Strong mechanical toughness
- Excellent chemical-resistance
- High dimensional stability
- Halogen free
Grade
- VICT-Bnp Strong mechanical toughness, low retardation
- VICT-C, Cz High dimensional stability
We can supply poly(amic acid) varnish.
Details of properties
Characteristic of varnish
Grade | Solvent*1 | Solid content [wt%] | E-type viscosity [mPa・s@25℃] |
---|---|---|---|
VICT-Bnp | NMP | 10~15 | 5,000~50,000 |
VICT-C | NMP/DMI | 10~15 | 5,000~50,000 |
VICT-Cz | NMP | 10~15 | 5,000~50,000 |
※1NMP:N-methyl-2-pyrrolidone, DMI: 1,3-dimethyl-2-imidazolidinone
Heat resistance
High heat-resistance clear resin
Properties of the film obtained from ECRIOS™ varnishes
Grade Film:20μmt |
Thermal properties | Mechanical properties | |||
---|---|---|---|---|---|
TMA | Tensile test | Folding endurance | |||
Tg [℃] |
CTE*2 [10-6/K] |
TM [GPa] |
EL [%] |
MIT test *3 @4.9N [times] |
|
VICT-Bnp | 265 | 42 | 2.8 | 18 | >2 million |
VICT-C | 280 | 17 | 4.5 | 15 | >0.1 million |
VICT-Cz | 315 | ≦10 | 5.1 | 8 | >1 million |
Grade | Optical properties | |||
---|---|---|---|---|
Reflective index | Total light transmittance (%) |
Lab color space b* | Retardation (Film 10μmt) |
|
VICT-Bnp | 1.64 | 90 | 0.7 | 50nm |
VICT-C | 1.67 | 88 | 2.1 | 1500nm |
VICT-Cz | 1.67 | 88 | 1.5 | 1600nm |
※2100-200℃,
※3The MIT bending test was performed at a folding angle of 270˚, a curvature radius of 0.38 mm, and a load of 4.9 N.
Transmittance
High transmission from visible light to near-infrared range
Chemical-resistance
24hr immersion test at room temperature.
Film:20μmt
〇:No change in appearance
Grade | Acetone | NMP | Acid aqueous solution*4 | Alkali aqueous solution*5 |
---|---|---|---|---|
VICT-Bnp | ○ | ○ | ○ | ○ |
VICT-C | ○ | ○ | ○ | ○ |
VICT-Cz | ○ | ○ | ※ | ※ |
※ To be measured
※4Acid (3.4% Oxalis acid)
※5Alkali (25% TMAH aq, 5% KOH aq)
Applications


- Coating resin
- Binders
Contact Us
ICT Materials Business Division