Inorganic Chemicals

Microsphere Shape 4 4 Diamino 3 3 Dichlorodiphenylmethane MOCA Hardner For PU Chemical name: 4,4& acute;-Diamino-3,3& acute;-dichlorodiphenylmethane
CAS No.: 101-14-4
Molecular formula: C13H12N2CL2
Molecular weight: 267.16 Heat-resisting MOCA powder: During dissolution, its solution& acute;s color of MOCA keeps light yellow and clear even in 150℃ or dissolved in several times, Because of excellent Heat-resisting capacity, it is suitable for PU products cast by casting machine.. Uses
As crosslinking agent or curing agent, MOCA can be used in the production of machines, buildings, automobiles, airplane, mining and sport equipment, or used in the curing of epoxy resin.
Including:
1. Suitable for PU products cast by casting machine such as :
wheel of sliding way, rubber rollers, lining of mold, swirler, driving belt,
coupling, screen cloth, and sealing products, etc;
2. Curing of epoxy resin.
Packing
1． Black plastic lined waterproof composite paper bag; 25kg.250kg
2． Plastic bag lined cardboard drum;; 50kg. PHYSICAL PROPERTIES ?
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Bulk density (24℃),g.cm-3 | 1.44 |
Liquid density(107℃),g.mL-1 | 1.26 |
Amine value,mmol.g-1 | 7.4 - 7.6 |
Free aniline,% | < 1.00 |
Color (Gardner) | < 4 |
Powder content: | <0.2% |
Acetone insoluble matter,% | < 0.04 |
Water absorption tendency | None |
Storage stability | Stable, decomposes above 200° C |
Solubility | Very soluble in Acetone, DMF, DMSO, MEK and THF; Soluble in Ethanol, Toluene and Benzene. Insoluble in water. |
Toxicity | LD50 (rats) ＞5000 mg/kg. Wear mask, gloves and goggles when handling. |
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? APPLICATIONS Curing agent for polyurethane elastomers and cast polyurethanes. Curing agent for epoxy or epoxy urethane resin. ? PACKAGING Net 50-kg carton drum with polyethylene liner. ? STORAGE MOCA-HR(N) should be stored in a dry location. ?
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