Sinomer® IBOMA / Isobornyl methacrylate CAS 7534-94-3

Product Name: Sinomer® IBOMA

Chemical Name: Isobornyl methacrylate (IBOMA)

Synonym: Ageflex IBOMA; Eternal EM 90;IBXMA;Light Ester IB-X;Sartomer SR 423;Sipomer IBOMA; 1,7,7-trimethylbicyclo[2.2.1]hept-2-yl methacrylate;2-methyl-,1,7,7-trimethylbicyclo(2.2.1)hept-2-ylester,exo-2-propenoicaci

CAS No.: 7534-94-3

Molecular Formula: C14H22O2

Molecular Weight: 222.32

Molecular Structure:

Appearance: Colorless to light yellow liquid

Assay: 99%min


Isobornyl methacrylate / IBOMA monomer CAS 7534-94-3



Melting point

-60 °C


0.983 g/mL at 25 °C(lit.)

Boiling point

127-129 °C



flash point

225 °F




What is IBOMA monomer?

IBOMA monomer, molecular formula is C14H22O2, molecular weight is 222.32, CAS: 7534-94-3. According to different purity, isobornyl methacrylate can be divided into <85%, 85%-90%, 95%, ≥98%, etc. Isobornyl methacrylate has a unique bridge ring structure, and its physical and chemical properties are: low viscosity, high boiling point, low surface tension (low shrinkage), high glass transition temperature, low chroma, high refractive index, and good hydrophobicity. Good compatibility with various resins, solvents, pigments and fillers, low toxicity, non-flammable, etc.


Isobornyl methacrylate (IBOMA) monomer Usage

1. Isobornyl methacrylate (IBOMA) contains a huge rigid side group-isobornyl group, which has a strong inhibitory effect on the movement of the polymer segment, making the polymer heat resistance, abrasion resistance, water absorption resistance, shrinkage resistance and strong Resilience has been greatly improved.

2. Isobornyl methacrylate (IBOMA) is mainly used in the manufacture of various resins, coatings, powder coatings, cleaning coatings, high-solid and low-viscosity coatings, inks, adhesives, etc., and then used in coatings, automobiles, computers, mobile phones, home appliances, and instruments Instruments, CDs, optical fibers, furniture, flooring, engineering plastics, flexible plastic films, pressure-sensitive adhesives, sealants, heat-resistant organic plates, adhesives, screen printing ink carriers, modified powder coatings, clean coatings, high solids and low Viscosity coatings and other aspects.

3. Isobornyl methacrylate (IBOMA) can also be used as reactive diluent, resin toughness modifier monomer to improve the dispersion of resin to pigments.

4. In the acrylic resin formulation, adding methacrylic acid cyclic ester monomer (such as IBOMA) can effectively reduce the viscosity of the polymer solution while keeping the glass transition temperature, molecular weight, and amount of functional groups of the polymer unchanged. Among various cyclic monomers, the viscosity reduction effect of IBOMA is more obvious. Figure 1 is the curve of viscosity and IBOMA dosage %.

5. IBOMA is a monomer that unifies hardness and flexibility. Due to its molecular structure, its polymer has excellent high gloss, sharp image, scratch resistance, medium resistance and weather resistance. , and its hygroscopicity is significantly lower than that of MMA (methyl methacrylate). In addition, IBOMA-added acrylic resin has good compatibility with polyester, alkyd and many volatile paint film-forming substances.

6. When IBOMA is used in powder coatings, its copolymer can improve the agglomeration of powder, improve the stability of powder coatings and reduce the initial melt viscosity, thereby improving the leveling of the coating, improving the appearance and appearance of the coating film. luster.

7. IBOMA is suitable for the manufacture of high Tg thermoplastic acrylic resins. Its products have high hardness, high alcohol resistance and heat resistance, as well as good flexibility, adhesion, moisture resistance and weather resistance. It is a kind of special structure. A new type of acrylate polymerization monomer, suitable for the manufacture of soft plastic film coatings such as PET, PE, PP, and decorative protective coatings for engineering plastics such as PE, PP, and PC.

Isobornyl methacrylate (IBOMA) Package

Packing: 25kg/drum or 200kg/drum

Capability: 300-500Mt per month


Isobornyl methacrylate (IBOMA) Storage

Store in a cool, dry, well – ventilated warehouse. Stay away from fire and heat. Prevent direct sunlight. Packing seal.

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