Name:TMMP
 
TMMP 
Trimethylolpropane Tri(3-Mercaptopropionate)
TMMP is a tri-functions polythiol. TMMP can be usable in many systems.
Characteristic:
1.       low odor 
2.       non-halogen
3.       low viscosity,100% reactive
4.       clear, colorless liquid, high refractive index
5.       low shrinking and low oxygen inhibition (Thiol-Ene system)
6.       chemical variability: react with epoxy, isocyanate, unsaturated compound and UV(EB)
7.       varying hardness and flexibility
Application:
1.       coating and print
2.       adhesive and sealant
3.       UV and EB curing system
4.       optical lens
Specification:
| Appearance  | Clear, colorless liquid | 
| Content (%w/w) | 95 min | 
| Color (APHA) | 50 max | 
| SH functionality | 3 | 
| MW | 398.6 | 
| Viscosity (Brookfield cps@25℃)  | 124 | 
| Mercapto Sulfur (SH %) | 23.6-24.9 | 
| AHEW (g/eq) | 132 | 
| Acid number mg KOH/g | 1.0 max | 
| Refractive index | 1.52 | 
| Specific Gravity | 1.072-1.082 | 

 
    
  