Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

Evonik i-BMA Isobutyl Methacrylate

Evonik i-BMA Isobutyl Methacrylate is a high-purity reactive monomer from Evonik’s specialty methacrylates portfolio. It offers excellent weather resistance, low viscosity, and superior compatibility with acrylic polymers. Widely used in coatings, adhesives, and impact-modified plastics, i-BMA enhances flexibility, adhesion, and UV stability. Its low volatility and controlled reactivity support efficient free-radical polymerization processes.
  • evonik i bma isobutyl methacrylate_3c011200
  • evonik i bma isobutyl methacrylate_3c011200

Features Of Evonik i-BMA Isobutyl Methacrylate

  1. High reactivity in free-radical polymerization due to low steric hindrance and favorable electron density.

  2. Excellent compatibility with a broad range of monomers and polymers, enabling formulation flexibility.

  3. Low volatility and reduced odor compared to methyl methacrylate (MMA), supporting safer handling and lower VOC emissions.

  4. Delivers superior weather resistance, UV stability, and gloss retention in final polymer films.

  5. Consistent high purity with strict control of inhibitor (MEHQ) content for predictable storage stability and polymerization onset.

Typical Applications Of Evonik i-BMA Isobutyl Methacrylate

  1. High-performance acrylic emulsions for architectural and industrial coatings.

  2. UV-curable inks and coatings requiring rapid cure speed and surface hardness.

  3. Pressure-sensitive adhesives (PSAs) where balanced tack, peel, and shear performance are critical.

  4. Impact-modified thermoplastics and specialty copolymers for automotive and electronics components.

  5. Waterborne and solvent-borne clearcoats for OEM and refinish applications.

Specifications Of Evonik i-BMA Isobutyl Methacrylate

Chemical TypeReactive liquid methacrylate monomer
Product FormClear, colorless liquid
AppearanceTransparent, water-white liquid
Primary ApplicationsAcrylic polymers, coatings, adhesives, inks
Key FeaturesLow volatility, high reactivity, excellent film clarity
BenefitsImproved storage stability, enhanced weatherability, reduced VOC profile
Inhibitor Content50–150 ppm MEHQ (standard stabilized grade)
Density (20 °C)0.895–0.905 g/cm³


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