Product Features
Compared with general polyester and polyether diols It exhibits quite excellent mechanical properties, hydrolysis resistance, thermal stability, weather resistance and solvent resistance.
Application
Artificial leather, synthetic leather, TPU, spandex, adhesives, coatings, etc. Among all the above products, PCD will be the best choice if it is particularly necessary to improve durability. The following comparison table:
|
Item |
Asahi KaseiPCDL |
CommonPCDL |
PTMG |
PHA |
||
|
Heat resistance |
Excellent |
Excellent |
Poor |
Good |
||
|
Weather resistance |
Excellent |
Excellent |
Poor |
Good |
||
|
Viscous liquid |
Viscous liquid |
|||||
|
Hydroxyl Value (KOHmg/g) |
45～56 |
100～120 |
51～61 |
100～120 |
130～150 |
51～61 |
|
acid value (KOHmg/g) |
<= 0.05 |
<= 0.05 |
<= 0.05 |
<= 0.05 |
<= 0.05 |
<= 0.05 |
|
Moisture |
<= 0.05 |
<= 0.05 |
<= 0.05 |
<= 0.05 |
<= 0.05 |
<= 0.05 |
<= 0.05
<= 0.05
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