Isobornyl Acrylate (IBOA)

98%

Isobornyl acrylate (IBOA) is a kind of acrylic ester monomer with a bridged-ring structure. It has excellent adhesion properties, good chemical resistance, and low shrinkage, making it a popular choice for use in UV-curable coatings on various substrates such as plastics, metals, and wood. IBOA is applied as an important monomer product in the printing ink formulation, solvent-based high-solid content transparent coatings, and curing coatings as a thickening agent, base material, reactive diluent, and curing agent.

IBOA can also be used as a viscosity improver in dental resin, reducing the polymerization shrinkage of resin-based dental restorative materials. When used in bone cement, it can reduce adverse biological effects during implant bonding processes.

Substance Identification

Synonyms IBOA
CAS 5888-33-5
EINECS 227-561-6
FEMA N/A
HS.CODE N/A
Molecular Formula C13H20O2
Molecular Weight 208.3

Application & Uses

  • Widely used in the manufacturing of high-performance acrylic resins and acrylic emulsions.
  • Can be used as a co-monomer with other acrylic monomers in the preparation of pressure-sensitive adhesives (PSAs) for optical applications
  • Used as a thickening agent, base material, reactive diluent, and curing agent in printing ink formulations, solvent-based high-solid content transparent coatings, and curing coatings.
  • Suitable for producing decorative protective coatings for PET, PE, and PP soft plastic films, as well as engineering plastic components such as PE, PP, and PC.
  • Used as a plasticizer in the plastics industry.
  • Used as a viscosity improver in dental resin.
  • Used in the development of high-performance and stable polymer gate dielectrics for organic thin-film transistors (OTFTs).
  • Used in the preparation of UV-curable waterborne polyurethane (WPU) by copolymerization.

Features & Benefits

  • Possesses UV resistance, water resistance, and chemical resistance, excellent adhesion properties, low shrinkage.
  • Enhances the glossiness and adhesion of coatings.
  • Improves properties such as flowability, abrasion resistance, aging resistance, and corrosion resistance of inks or coatings.
  • Acts as a reactive diluent with low volatility, low toxicity, and minimal irritability, thus advantageous for improving the production and application environment of coatings.
  • Can reduce adverse biological effects.

Sales Specification

ITEM VALUE TEST METHOD & UNIT
Appearance Colorless transparent to light yellow transparent liquid
Color 20max @APHA
Specific Gravity 0.990 to 0.994 @20/4℃
Free acid 0.05 max %
Moisture 0.02 max %
Content 98 min @GC, %
Camphene 0.05 max @GC, %
Isobornol 0.80 max @GC, %
High Boiling 1.00 max @GC, %
Methanol Soluble Clear @5:45
MEHQ 100±10 PPM

Q&A

A formulator is preparing a UV-curable printing ink for high-speed flexographic application. What advantage does IBOA's lower viscosity bring compared with using IBOMA in the same role?

IBOA's lower viscosity tends to improve flowability and ink transfer on high-speed printing lines, and the faster curing of the acrylate double bond can support quicker setting between printing stations. IBOMA's higher viscosity may require additional diluent or process adjustments to achieve comparable flow, making IBOA the more straightforward choice when print speed and ink rheology are the priority.

A buyer is sourcing IBOA for a UV-curable waterborne polyurethane system. How does IBOA's lower viscosity compared with IBOMA affect the copolymerisation process?

IBOA's lower viscosity tends to facilitate more uniform dispersion during copolymerisation with the aqueous polyurethane phase, as a less viscous monomer can mix more readily into the waterborne system. The faster polymerisation rate of acrylates also means the reaction may reach target conversion more quickly, though the resulting polymer tends to have a lower glass transition temperature than an IBOMA-based equivalent.

Could IBOA serve as a potential alternative to styrene in unsaturated polyester resin systems?

IBOA's low volatility and reactive diluent characteristics have attracted early-stage research interest as a possible pathway for reducing styrene content in unsaturated polyester resin formulations, with the turpentine-derived origin adding a potential bio-based dimension. This direction remains exploratory, and widespread commercial adoption has not yet been observed.

Package

  • PACKED IN 185KG PLASTIC DRUM / 925KG IBC DRUM

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GHS Hazard Statements

Symbol GHS07, GHS09
Signal Word Warning
H-Code H315-H319-H335-H411
P-Code P273-P305 + P351 + P338-P391-P501
Risk Phrases R20/22;R36/37/38
Safety Phrases S26-S36
RIDADR UN 3082 9 / PGIII

Storage

  • Store in a cool place to protect from high temperature

Remark

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