Tripropylene Glycol Diacrylate

IUPAC NAME
2-Propenoic acid, tripropylene glycol ester

CHEMICAL FORMULA
CH2=CHCOO[CH2CH(CH3)O]3COCH=CH2

CONCENTRATION
≥98%

CAS No
42978-66-5

PRODUCT DESCRIPTION

Tripropylene Glycol Diacrylate (TPGDA) is a low-viscosity, difunctional acrylate monomer used extensively in UV/EB-curable coatings, inks, and adhesives. It combines excellent reactivity and flexibility, making it a preferred reactive diluent for improving the performance of cured systems.

PROPERTIES

  • Excellent adhesion and flexibility.
  • Enhances chemical resistance and toughness of cured materials.
  • Low volatility and high reactivity in polymerization.

APPLIATION AREAS

  • UV/EB-curable coatings and adhesives.
  • Printing inks and overprint varnishes.
  • Electronics encapsulation and specialty polymers.
  • Industrial coatings and composites.

IT IS APPLIED IN THE PRODUCTION OF

  • High-performance adhesives and coatings.
  • UV-curable inks and varnishes.
  • Flexible plastics and films.
  • Encapsulation resins for electronics.

Chemical Properties

• Purity ≥98%
• Acid Content ≤0.02%.
• Moisture Amount ≤0.2%.
• Colour (APHA) ≤30

Physical Properties

• Appearance Clear, colorless liquid.
• Physical State Liquid.
• Odor Slight acrylic odor.
• Molecular Weight: 298.33 g/mol.
• Density 1.08 g/cm³ at 25°C.
• Boiling Point >250°C
• Freezing Point -15°C
• Flash Point 110°C
• Viscosity 25–50 mPa·s at 25°C.

Synonymous

TPGDA
Tripropylene glycol diester of acrylic acid
Acrylic acid, tripropylene glycol ester
Reactive diluent TPGDA
Diacrylate monomer