DMBA Dimethylolbutanoic Acid | Hydrophilic Chain Extender

Description

DMBA (Dimethylolbutanoic Acid) is a new Amyl carboxylic acid with two active hydroxyl methyl groups, so it can be used as synthesis of water-based polymer system which can be widely served in water based polyurethane, polyester and epoxy resin etc.

Type

2,2-Bis(hydroxymethyl)butyric Acid (DMBA)

Key features

-Environment-friendly

-High reaction activities

-Hydrophilic chain extender

-Dissolves quickly without organic solvents

Typical properties

Appearance：White powder

Active content(%)：≥99

Molecular formula： C6H12O4

Molecular weight： 148.16

CAS No.： 10097-02-6

Melt pont (℃)： ≥108

Hydroxyl value (mgKOH/g)： 728~782

Acid value (mgKOH/g)： 374.3~378.2

Water content (%)： ≤0.3

Residual formaldehyde (%): ≤0.03

Ash content (%): ≤0.03

Acetone-triethylamine dissolution test: Clear transparent

Application

DMBA-99 is used as a hydrophilic chain extender and functional monomer in:
• Waterborne polyurethane dispersions
• Waterborne polyester resins
• Waterborne epoxy resin systems
• Water-based coatings and paints
• Other waterborne polymer formulations

Storage and handling

Available in 25 kg/carton (with inner Al-foil bag)

Store products in tightly closed original containers at 5-35℃

Shelf life: 12 months from delivery date

Transported as non-dangerous goods