 |
Characteristics
- Noncrystalline polymer
- High heat resistance:
Tg = 210 °C
- Low specific gravity:
1.02
- Good electrical properties:
Dielectric constant = 2.45 at 1 MHz,
Dielectric loss = 7  10-4
at 1 MHz
- Completely miscible with polystyrene
- Flame retardant
- Dissolves well in aromatic hydrocarbons (toluene, xylene,
etc.) and halogenated hydrocarbons (chloroform, etc.)
| Asahi Kasei polyphenylene
ether grades |
| |
Grade |
Test
method |
| Standard |
Low
viscosity |
Reduced viscosity,
 sp/c
(dl/g) |
0.53 |
0.41 |
Ubbelohde viscometer tube, 0.5
g/dl chloroform solution, 30°C. |
| Mn |
ca. 19,000 |
ca. 16,000 |
Gel permeation chromatography
(GPC) calibrated with polystyrene. |
| Appearance |
White powder |
White
powder |
- |
|
|
Please note that all data and values are
given as typical results obtained with the indicated test
methods for purposes of basic reference in grade selection
only, and not as any product specification or warranty
of any nature, and are subject to change without notice. |
Applications
Base resin for polymer alloys.
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