|
|
|
EPOXY internal mold releases |
| Recommendations
based on compatibility with the many types of hardeners used
to cure a typical Bisphenol-A epoxy resin. |
| Cure |
Products |
Typical
Application |
Comments |
| Aliphatic
amines, example, DETA |
INT-1846N |
Molding
compounds at low to moderate temperatures |
Neutralized
to prevent premature reaction with hardener, avoiding poor cured
properties. |
| Aliphatic
amines |
INT-1850HT |
Higher
temperatures, >350†F/175†C |
Good
thermal stability evidenced by TGA. |
Cycloaliphatic
amines
Example: PACM |
INT-1840 |
Filament
winding |
Reduced
acidity to ensure maximum surface activity without sacrificing
cured properties. |
| Aromatic
amines, MDA & non-MDA-based |
INT-1846 |
|
Acidic
for maximum surface effect. |
| Aromatic
amines, fluorene-based |
INT-1824L |
High
temperature cures, >450†F/230†C |
Minimal
loss of Tg, even when used at 2phr. |
| Acid
anhydride, Example: phthalic anhydride |
INT-1890M |
|
Mild
catalysis imparted by lubricant improves production output |
| Acid
anhydride, example, MTHPA |
INT-1846N |
Pultrusion |
Tertiary
amine or imidazole-catalyzed.
Extends bath life and reduces sloughing. |
| Anhydride,
liquid |
INT-1810 |
Production
of electrical components |
Clear,
haze-free castings. |
| Anhydride,
general |
INT-1854 |
|
|
| Water
dispersible amines or polyamides |
INT-EP545(SL) |
|
Excellent
dispersion in epoxy emulsions.
Good for treating surface veils. |
| Lewis
acids, example BF3.MEA |
INT-1815 |
Rapid
curing parts at low activation temperatures, RT – 120†F/50†C |
Does
not poison polymerization kinetics. |
| UV-cured
epoxy acrylates |
INT-1210
INT-1285C |
Clear,
haze-free castings |
Does
not poison polymerization kinetics. |
