Diethyl toluene diamine DETDA

Details:

Chinese name: diethyltoluene diamine,curing agent chain extender DETDA

Cas No.: 68479-98-1
English name: Diethyl toluene diamine DETDA
Product appearance: light yellow to amber transparent viscous liquid, slightly soluble in water, soluble in polar organic solvents suchas alcohol, ether, ketone, etc., with good compatibility with polyether and polyester polyol
Molecular weight: 178.28
Molecular formula:C11H18N2
Relative molecular mass:178.3
Boiling point: 301.4°C at 760 mmHg
Steam pressure: 0.00106mmHg at 25°C
Flash point: 161.1°C Density: 1.013g/cm3
Packing: Net weight 200KG / galvanized iron barrel (16 tons in a small cabinet). 1000KG/IB barrel (18 tons in a small cabinet) or 23tons of ISOTANK.

Similar foreign products: American Albemarle company (Ethacure 100 brand), Swiss Lonza Group company (Lonzacure DETDA80), German-Nitroil company (PCAmine ADA 180)

The following are the product indicators produced by foreign factories:
The equivalent of diethyltoluenediamine curing agent chain extender DETDA and il acyanic acid (ie, the ratio of the relativemolecular mass to the average number of reactive groups in each molecule) is about 89.1 ~ 89.5. The equivalent is approximately 44.3.

1.The typical composition quality score of the DETDA product of the American company A1bemarle (brand Ethacure100)is:

Moisture <0.08%
Dialkyl and other compounds 0.5% ~ 3%
3,5-diethyl-2,4diamine 75%~81%
3,5-diethyl-2,6-diamine 18.0%~20.0%
2a Hibthuldiamine is >97 5%. and the mass fraction of each

3.product physical characteristics
Project data
Flash point°C 135
reezing point°C-8
Boiling point°C (lit.) 308
Density g / mL at 25° C (lit.) 1.02
Amine value 615-635
Moisture ≤0.1%
Viscosity (20℃) 280
Viscosity (25℃)155
Other alkylamines 0.5-3.0%
Isocyanate equivalent 89.5
Epoxy equivalent 44.3
3,5-Diethyltoluene-2,4-diamine 75.0-81.0%
3,5-Diethyltoluene-2,6-diamine 18.0-20.0%
3.Product performance comparison
The product is cured in an oven at 120 ℃ for 12h, and left at room temperature for 7 days. According to the German stand
DNI53504, the performance of the product is equivalent to that of the imported product:
Item Produced DETDA Imported DETDA
Tensile strength (MPa) 18.52 16.9
Elongation at break (%) 300 280
Flexural modulus (MPa) 208,5 210.8
Bending strength (MPa) 10.63 10.98