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Shandong Aonuo New Material Co,.Ltd

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

Tel:+86-546-6660612

Fax:+86-546-6660279

Ph:+8613287307852

E-mail:info@aonuochina.cn

Chain Extender Factory

Chain Extender Factory

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

Chain Extender DETDA Same As Ethacure-100

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.


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%


3.Uses and applications of the Heat-resisting chain extender

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.

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


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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