NEM(N-ethyl morpholine) and NMM(N-methyl morpholine)
catalysts are clear,
colorless liquid with a strong ammonia-like odor.
◎ Maximizes cell openness
◎ Porvides good latitude
Properties
Specification
NEM
NMM
Specific Gravity(25℃)
0.91
0.91
Flash Point(PMCC, ℃)
29
18
Viscosity(25℃, cps)
1
1
Water Content(wt.%)
0.20 max.
0.30 max
Color(Platinum-Cobalt)
15 max
15 max
Appearance
Clear, colorless liquid
Clear, colorless liquid
Water Solubility
Soluble
Soluble
Cal.OH No(MgKOH/g)
0
0
▶Applications
Dabco NEM and NMM catalysts are extremely
effective in the production of polyester-
based foams. These are due to their particular
mechanism of catalysis which permits the gelling
reaction to occur well beyond the completion
of full rise, thereby maximizing cell openness.
These morpholine derivative also exhibits
good latitude in that the rise/gel ratio varies
very little with changes in catalyst concentration.
Therefore, slight metering errors are less
detrimental to the quality of the foam.
