INTRODUCTION
Moca is used as PU ( Polyurethane Resin ) curing agant. The chlorine atoms on benzene ring can slow down the Activity of “NH2” group,so as to extend the pot life while casting.
FÓRMULA ESTRUCTURAL
| PHYSICAL PROPERTIES OF MOCA CURATIVE | |
|---|---|
| Molecular Weight | 267.16 |
| Equivalent Weight | 133.575 |
| Appearance | light yellow granule (100% through 1/2 mesh serene) |
| Order | Slight |
| Amine | 7.4-7.6(mmol/g) |
| Specific gravity at 24oC | 1.44 |
| Specific gravity at 107oC | 1.26 |
| Melting point range | 110-120ºC |
| Storage stability | Slightly hygroscopic |
| Solubility | Soluble in MEK,DMF. Toluene, Acetone, Ethanol, |
| Usage | Curing agent for polyurethane and epoxy |
| Pachage | 25kg or 50kg per fiber drum |
| Toxicity | The oral LD90 is 5,000 mg/hg |
Moca Pellet
