|
|
 |
| Blocked isocyanate grades |
For one-pack curing. |
|
| Grade |
Solids
(wt%) |
NCO
(wt%) |
Viscosity
(mPa・s, 25℃) |
Solvents
contained |
Special
properties |
Curing
(℃) |
| 17B-60PX |
60 |
9.5 |
300 |
PMA
Xylene |
Adhesion |
130 |
| TPA-B80X |
80 |
12.5 |
4,800 |
Xylene |
Resin compatibility
Weatherability |
130 |
| MF-B60X |
60 |
8.0 |
300 |
PMA
Xylene |
Low-temp. curing
Low coloration |
120 |
| MF-K60X |
60 |
6.5 |
250 |
Xylene
n-Butanol |
Low-temp. curing
Storage stability |
90 |
| E402-B80T |
80 |
6.0 |
2,500 |
Toluene |
Elasticity |
130 |
|
| High MF-K curing rates, as shown by coating gel fraction after 30 min baking |
High MF-K curing rates, as shown by coating gel fraction after 30 min baking
 |
| Curing windows, with polyol OHV = 100 |
TPA-B, MF-B, and MF-K, compared with caprolactum-blocked HDI:
Curing proceeds in regions above respective plotted lines
 |
|
 |
|