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Fluoropolyimides

Key Benefits
High thermal stability (~ 500
°C)
High glass transition temperature
Excellent optical transparency
Low moisture absorption
Good electrical insulation
Low dielectric constant
Resistance to photo-degradation
Solubility in polar solvents
Good flexibility
Good chemical resistance
Excellent creasable film forming properties
B

Fluoropolyimides (FPI) exhibit exceptional high thermo-oxidative properties usually associated with conventional aromatic polyimides. Attractive features like high optical transparency, excellent dielectric characteristics, and solubility in common polar solvents make these fluoropolyimides unique class of polymers.

Propert

FDA-DABTF

FDA-TFDB

Name of Polymer

Polyimide of 4,4'-(hexafluoroisopropylidene)-bis-(phthalic anhydride) and 3,5-diaminobenzotrifluoride

Polyimide of 4,4'-(hexafluoroisopropylidene)-bis-(phthalic anhydride) and 2,2'bis(trifluoromethyl)-4,4'diaminibiphenyl

Glass transition temperature°C

297

335

Stable upto°C

485

560

Dielectric constan

2.58 at 10GHz

2.8 at 1MHz

Refractive index

--

1.556

Coefficient of thermal expansion,°C-1

--

4.8 x 10-5

Water absorption

Negligible

0.2% (after 3 days)

Solubility in

DMAC, m-creso

DMAC, acetone, tetrahydrofuran

Applications:
Aerospace
Electronic
Solar cell
Opto-electronics optical wave guide


If you don't find what you're looking for, Contact Us. We may have a suitable product that's not listed, or we may be able to develop a material to fit your specific needs. Tel : (02)2217-3442 / Fax : (02)2704-4070
 

 

 

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