Sinomer® IBOA Monomer / Isobornyl acrylate CAS 5888-33-5

Product Name: SINOMER® IBOA

Cas No.:5888-33-5

Chemical name:Isobornyl acrylate

Other Name:Ageflex IBOA; Eternal EM70C;IBXA;Sartomer sr506;EBECRYL 8413; 1,7,7-trimethylbicyclo(2.2.1)hept-2-ylester,exo-2-propenoicaci


IBOA Monomer / Isobornyl acrylate CAS 5888-33-5

Characteristic IBOA
Appearance Clear transparent
Formula Weight 208
Density g/ml 0.984
Refractive Index( 25℃ ) 1.5040
Viscosity()mPa.s 7.5
Closed Flash Point℃ 93
Glass Transition Temperature(Tg) ℃ 90~100
Surface Tension mN/m 30
Color (Pt-Co) ≤30
Ester content % ≥98
Moisture Content % ≤0.2
Polymer Content % /
Inhibitor Content ppm 100


1. Sinomer® IBOA/IBXA has relatively high reactivity, weather resistance, low shrinkage, water resistance, chemical resistance; used in UV coatings (inks), adhesives, screen inks, photosensitive resins, photoresists.

2. Used in radiate curing coating (printing ink) as active diluents, it may effectively reduce the viscosity of the coating (printing ink), improve the performance of construction, and enhance leveling properties.

3. Usded as the active diluents of the epoxy-acrylic oligomer, it may reduce internal stress and volume shrinkage of the coating, thus improving the character index of radiation curing coating such as adhesion, volume shrinkage, anti-impact, mar resistance, weather resistance, and it won’t lose hardness and flexibility in its coating.

4. Used in protective coating of discs, it will attach extremely close with the surface of the texture on the disc. Moreover, has extremely enhances mar resistance and coating performance, and very distinctly improves the gloss of film.

5. Because IBOA has all sorts of merits (as listed above), it has been widely used in domains as active diluents of radiation curing coating, such as gloss varnish for metal, glass flexibility plastic film, engineering plastics as well as optical fiber coating, and has been simultaneously used in some special printing inks like outdoors spurt ink & news printing ink on thin-film of polyethylene.

1. Isobornyl acrylate is used in adhesives and special coatings, with high activity, high hardness and low shrinkage. Using Isobornyl acrylate as a reactive diluent for radiation curable coatings (inks) can effectively reduce the viscosity of the coatings (inks), improve construction performance, and improve the leveling of the coating.

2. Using Isobornyl acrylate as the reactive diluent of epoxy acrylic oligomer can significantly reduce the internal stress of the coating and reduce the volume shrinkage of the coating, thereby significantly improving the adhesion, shrinkage and impact resistance of the radiation cured coating Performance indicators such as resistance, scratch resistance and weather resistance, without reducing its hardness and flexibility.

3. If Isobornyl acrylate is used on the protective coating of optical discs, it has excellent adhesion and scratch resistance to the surface of fine lines, and has excellent coating properties and significantly improves the gloss of the coating film. Therefore, Isobornyl acrylate as a reactive diluent for radiation curing coatings has been widely used in metal finishing, glass flexible plastic film, engineering plastics and optical fiber coatings and other fields. At the same time, it is used in some special printing inks such as outdoor inkjet, polyethylene film and other materials. Used in the printing ink on the above.

4. Isobornyl acrylate is suitable for the manufacture of high Tg thermoplastic acrylic resin. Its products have high hardness, high alcohol resistance and heat resistance. And has good flexibility. Adhesion, moisture resistance, and weather resistance. It is a new type of acrylate polymer monomer with very characteristic structure. It is suitable for manufacturing soft plastic film coatings such as PET, PE, PP, and engineering plastic parts such as PE, PP, PC, etc. Decorative protective coating.

The table is the data table of the relative stress and volume shrinkage of the photocurable coating and the substrate when using different reactive diluents

reactive diluent functionality Relative internal stress n Volume shrinkage n%
TMPTA 3 1.42 16.06
HDDA 2 1.11 13.33
NPGDA 2 13.86
CHA 1 1.07
IBOA 1 0.88 8.24

IBOA Packaging and Shipping:

Packing: 25kg/drum or 200 kg/drum

Delivery: with in 5-7 working days.


IBOA Storage:

Being kept in dry, clean warehouse with well ventilation.

Avoid exposing to light and heating.

Protecting the product from leakage, rain and insolation during transportation.


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Sinomer® HDDA Hexamethylene diacrylate 13048-33-4
Sinomer® HEMA 2-hydroxyethyl methacrylate 868-77-9
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Sinomer® IBOA Isobornyl acrylate 5888-33-5
Sinomer® IBOMA Isobornyl methacrylate 7534-94-3
Sinomer® IDA Isodecyl acrylate 1330-61-6
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Sinomer® NP-4EA (4) ethoxylated nonylphenol 2156-97-0
Sinomer® NPGDA Neopentyl glycol diacrylate 2223-82-7
Sinomer® PDDA Phthalate diethylene glycol diacrylate
Sinomer® PEGDA Polyethylene Glycol Diacrylate 26570-48-9
Sinomer® PEGDMA Poly(ethylene glycol) dimethacrylate 25852-47-5
Sinomer® PETA PETA Monomer 3524-68-3
Sinomer® TEGDMA Triethylene glycol dimethacrylate 109-16-0
Sinomer® THFA Tetrahydrofurfuryl acrylate 2399-48-6
Sinomer® THFMA Tetrahydrofurfuryl methacrylate 2455-24-5
Sinomer® TMPTA Trimethylolpropane triacrylate 15625-89-5
Sinomer® TMPTMA Trimethylolpropane trimethacrylate 3290-92-4
Sinomer® TPGDA Tripropylene glycol diacrylate 42978-66-5

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