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Product Description
Product Name:
4,4 Methylenedianiline; p,p Diaminodiphenylmethane
4,4 Diaminodiphenylmethane (DDM)
Cas No.:101-77-9
It is a high viscosity liquid aromatic amine curing agent that under the promotion of salicylic acid, can be used to crosslink and cure with liquid epoxy resin at room temperature to produce high-performance epoxy cured products.
Physical & Chemical Properties
| Test Item | Specification |
| Appearance | Yellowish liquid |
| Color (G) | ≤8 |
| Viscosity@40℃ (mPa.s) | 2000-3000 |
| MDA content (%) | 40-60 |
| Water content (%) | ≤0.5 |
| Isomer content (%) | 30-35 |
| Free amine content (%) | 9-15 |
| Impurity content (%) | ≤0.1 |
Application
Dye raw materials for producing azo dyes;
Sulfiding agents and sulfiding promoters for polyurethane rubber and other synthetic rubbers;
Curing agents for epoxy resins, with performance similar to m-phenylenediamine;
Monomers for heat-resistant polymers and polyisocyanates;
Organic synthesis intermediates for producing corrosion inhibitors and polyamides.
Sulfiding agents and sulfiding promoters for polyurethane rubber and other synthetic rubbers;
Curing agents for epoxy resins, with performance similar to m-phenylenediamine;
Monomers for heat-resistant polymers and polyisocyanates;
Organic synthesis intermediates for producing corrosion inhibitors and polyamides.
Storage & Packaging
Stored in a cool and dry place with ventilation and can be preserved for 12 months.
Avoid direct contact with water or strong acid and alkali.
Packaging:200kg/ iron drum or 1000kg/IBC tote.
