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Shandong Aonuo New Material Co,.Ltd

Add: Guangrao County, Dongying City, Shandong, P.R.China

Tel:+86-546-6660612

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Chain Extender DETDA As Curing Agent

Chain Extender DETDA As Curing Agent

Effective polyurethane elastomer chain expansion agent DETDA especially for RIM and spray polyurea 1. Chemicals Technical Data Sheet of the effective polyurethane elastomer chain expansion agent English name:Diethyltoluenediamine(DETDA) Nick name:Diethyl Methyl Benzene Diamine CAS NO:68479-98-1...

Product Details


DA chain extender DETDA chainChain Extender DETDA As Curing Agent

Light yellow to amber transparent liquid, slightly soluble in water, soluble in alcohol, ether, ketone and other polar organic solvents, with polyether, polyester polyol compatibility is good.

Chain Extender DETDA

Property

Result

Molecular formula

C11H18N2

Structural formula

a.png 

Molecular weight

178.28

Melting point/ freezing point °C

-9

Initial boiling point °C

308 (1013 hPa)

Self-ignition temperature °C

420 (1013 hPa)

Relative density g/cm3 at 25 °C

1.02

Flash point °C

135

Vapour pressure

0.000971 Pa (25°C)
0.00391 Pa (35°C)

Isocyanate equivalent

89.5

Ethoxyline resin equivalent

44.3


2.Standard value of the high reaction rate DETDA

Property

Result

Viscosity(20°C)

280

Viscosity(25°C)

155

Diethyltoluenediamine

≥ 98% (Q/370781YXHG001-2015)

2,4-isomer

75.0 - 81.0%

2,6-isomer

18.0 - 20.0%

Other alkyl amine

0.5 - 3.0%

Amine value (mg KOH/g)

615 - 635

TDA Assay

≤ 0.1%

Water content

≤ 0.1%


DETDA 100

3.Uses and applications 

DETDA with heat-resisting chain extender is a very effective polyurethane elastomer chain expansion agent, especially for the RIM (reaction injection molding) and SPUA (spray polyurea elastomer); also can be used as polyurethane elastomer and epoxy resin aromatic diamine curing agent, used for casting, coating, RIM and adhesive, but also is a polyurethane and polyurea elastomer chain extension agent.


DETDA is a type of aromatic diamine, ethyl and methyl groups, which makes the activity of is much lower than that of TDA. The reaction rate with polyurethane prepolymer several times faster than DMTDA, about 30 times faster than MOCA. Mainly used in RIM polyurethane system and spray polyurethane (polyurea) elastomer coating system, with a fast reaction rate, short release time, high initial strength, product resistance to hydrolysis, heat and so on. In addition to the product can also be used as elastomer, lubricants and industrial oil antioxidant, and chemical intermediates.

DETDA1

4.Packaging and transport

Packaging for 1000KG/IBC barrels, 200kg drums or ISOTANK, the special packaging in accordance with the requirements of customers.

包装.jpg

The product yield: 180 tons / month

Shipping Port: Qingdao/Shanghai China

Price offer is valid: 15 days

Lead time: 15-20 days

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5.Storage

Stacked in a cool/ dry/ ventilated place, keep away from heat/ fire, to prevent the direct sunlight, to avoid high temperature, do not sharp object collision damage.


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