Adipic acid dihydrazide [ADH]/CROSSLINKING,WATERBORNE COATING

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Adipic acid dihydrazide [ADH]

ADH is a crosslinker of waterborne acryl emulsions. It is also useful as an epoxy resin hardener and a formaldehyde scavenger.

CAS No :1071-93-8
ENCS :(2)-865
TSCA :1071-93-8
EINECS :213-999-5

Features

ADH reacts very rapidly with ketone groups.
For example, it reacts easily with ketone groups of diacetone acrylamide or aldehyde groups of formaldehyde.
In addition, ADH also reacts with the epoxy group like an amino compound.

Applications

Room temperature crosslinkable waterborne coatings
Acryl emulsion comprising acryl monomers and diacetone acrylamide crosslinks with amino groups of ADH very rapidly.
The coating has excellent water resistance.

Formaldehyde scavenger
ADH reacts with formaldehyde and prevents volatilizing of formaldehyde in the air.

Epoxy resin hardener
ADH reacts with epoxy resin at high temperature and is useful for powder coating.

Reforming of plastic
Fiber processing

Properties

Appearance White crystals
Formula C6H14N4O2
Mol. weight 174.2
Purity Min. 98%
Loss on drying Max. 0.4%
Melting Point 177–184°C
Solubility in Water 9.1 g/100 g water at 20°C
Specific Gravity 1.25 g / cm3

Handling

Packing 20-kg paper bag
Toxicity Oral LD50 (rat) > 10,000 mg/kg
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