Sinocure Chemical Group Co.,Ltd.

Monofunctional Monomer

Sinomer® IBOMA

Sinomer® IBOMA is suitable for manufacturing high Tg thermoplastic acrylic resin. Its products have high hardness, high alcohol resistance and heat resistance, and have good flexibility, adhesion, moisture resistance and weatherability. It is a new type of acrylate monomer with special structure. It is suitable for manufacturing soft plastic film coatings such as PET, PE, PP, etc. And decorative protective coatings for PE, PP, PC and other engineering plastics.

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Cas No.:7534-94-3

Chemical name:Isobornyl methacrylate

Synonym:Ageflex IBOMA; IBOMA Monomer;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

Molecular structure


Characteristic IBOMA
Appearance Clear transparent
Formula Weight 222
Density g/ml 0.985
Refractive Index( 25℃ ) 1.4750
Viscosity()mPa.s 10~15
Closed Flash Point℃ 119
Glass Transition Temperature(Tg) ℃ 170



Application of SINOMER® IBOMA in High Solid Acrylic Resin.

In the formulation of acrylic resin, adding ring ester monomer of methacrylic acid (IBOMA, for example) can effectively reduce the viscosity of polymer solution while keeping the glass transition temperature, molecular weight and functional group constant. In all kinds of ring monomers, the viscosity reduction effect of IBOMA is more obvious.

IBOMA is a kind of monomer which combines hardness and flexibility. Because of its molecular structure, IBOMA polymer has excellent light, fresh reflection, abrasion resistance, medium resistance and weather resistance, and its hygroscopicity is lower than MMA (methyl methacrylate). In addition, the acrylic resin with IBOMA has good compatibility with polyester, alkyd and many volatile paint film-forming substances.

When IBOMA is used in powder coatings, its copolymer can improve the agglomeration of powder, improve the stability of powder coatings and reduce the melting viscosity, thus improving the leveling of coatings and improving the appearance and luster of coatings.

Packaging and Shipping:

Packing:25kg/drum or 200 kg/drum 

Delivery:with in 5-7 working days.


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.



Chemical name:

Isobornyl methacrylate






25 or 200 kg/ drum




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