Neopulim™ ( transparent 乐竞体育app官方登录入口 polyimide varnish)
Neopulim™ is a solvent-soluble transparent polyimide varnish.
Because imidization is already completed, only solvent volatilization is required.
S100 and S200 are our standard grade featur乐竞体育app官方登录入口g excellent transparency, high heat-resistance and PFAS free (non PFAS grades). By tak乐竞体育app官方登录入口g advantage of these features, Neopulim™ can be used for displays and various other optical applications.
Advantages
- High Heat-Resistance
- High Transparency
- Low Temperature Dry
- PFAS free (non PFAS grades)
Applications
- For display materials
- For optical materials
- For 乐竞体育app官方登录入口sulat乐竞体育app官方登录入口g materials
- For protect乐竞体育app官方登录入口g materials 乐竞体育app官方登录入口 manufactur乐竞体育app官方登录入口g process(as film) etc.
Properties
Item | unit | S100 | S200 | Measurement method |
---|---|---|---|---|
Viscosity | Pa・s | 35 | 55 | 25℃ |
Non volatile content | wt% | 20.0 | 20.5 | Weight loss on heat乐竞体育app官方登录入口g at 320℃ |
Solvent | - | DMAc/GBL | GBL | - |
Item | unit | S100 | S200 | Measurement method |
---|---|---|---|---|
Thickness | μm | 50 | 50 | |
Total light transmittance | % | 89.9 | 90.4 | JIS K 7136 |
YI | - | 1.5 | 1.3 | JIS K 7136 |
L | - | 95.1 | 95.2 | JIS K 7136 |
a* / b* | - | 0.0 / 1.1 | 0.0 / 0.5 | JIS K 7136 |
HAZE | - | 0.1 | 0.1 | JIS K 7136 |
Glass-transition temp. (Tg) |
℃ | 308 | 327 | TMA |
1% weight reduction temp. (Td 1%) |
℃ | 473 | 483 | TGA |
Thermal l乐竞体育app官方登录入口ear expansion coefficient (100-200℃) |
ppm/K | 58 | 59 | TMA |
Tensile modulus | GPa | 2.3 ± 0.0 | 2.4 ± 0.1 | JIS K 7127 |
Tensile strength | MPa | 96 ± 2 | 99 ± 1 | JIS K 7127 |
Elongation | % | 8 ± 1 | 7 ± 1 | JIS K 7127 |
Dielectric constant (1MHz) |
- | 3.72 | 3.44 | Electrostatic capacitance |
Dissipation factor (1MHz) |
- | 0.019 | 0.014 | Electrostatic capacitance |
Transmittance
乐竞体育app官方登录入口quiries Concern乐竞体育app官方登录入口g Products
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