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(Chain extender) curing agent DETDA (E-100)

Name:

(Chain extender) curing agent DETDA (E-100)

Simi lar products:U.S Albemarle(Ethacure 100), Swiss Lonza group (DETDA 80). Germany Nitroi,(ADA L80 PCAmine)
Detail

  English name:Diethy to uenediamine(DETDA)

  Nick name:Diethy Methy Benzene Diamine

  Transport hazard class(es):

  Packing group, if applicable:III

  Simi lar products:U.S Albemarle(Ethacure 100), Swiss Lonza group (DETDA 80). Germany Nitroi,(ADA L80 PCAmine)

1. Physical and chemical properties:

  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

Moleceular formula

C11H18N2

Structural formula

Molecular weight

178.28

Melting point/freezing point℃

-9

Initial bolling point℃

308(1013Pa)

Self-ignition temperature℃

420(1013Pa)

Relative densityg/cm³ at 25℃

1.02

Flash point℃

135

Vapour pressure

0.000971 Pa(25℃)
0.00391 Pa(35℃)

Isocyanate equivalent

89.5

Ethoxyline resin equivalent

44.3

2.Quality Standard:

Property

Result

Viscosity(20℃)

280 mPa.s

Viscosity(25℃)

155 mPa.s

Diethyltoluenediamine

=98%(Q/3707081YXHG001-2015)

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:

  DETDA 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 industr ial oil antioxidant, and chemical intermediates.

4. Packaging and transport:

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

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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