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

Arkema SR-420 Stearyl Methacrylate Monomer

Arkema SR-420 Stearyl Methacrylate Monomer is a high-purity, low-viscosity reactive diluent from Arkema’s SR series. It imparts excellent hydrophobicity, flexibility, and UV stability to UV-curable coatings, inks, and adhesives. Featuring a C18 alkyl chain, it enhances surface slip, scratch resistance, and monomer conversion efficiency while reducing shrinkage and odor. Widely used in industrial and graphic arts applications.
  • arkema sr 420 stearyl methacrylate monomer_81ae96d0
  • arkema sr 420 stearyl methacrylate monomer_81ae96d0

Features Of Arkema SR-420 Stearyl Methacrylate Monomer

  1. High molecular weight methacrylate monomer offering excellent hydrophobicity and low volatility.

  2. Provides superior film-forming capability and enhanced scratch resistance in polymer coatings.

  3. Enables controlled rheology and improved melt stability in thermoplastic formulations.

  4. Compatible with free-radical, UV, and thermal curing systems for versatile processing.

  5. Low odor and high purity profile suitable for demanding industrial and specialty applications.

Typical Applications Of Arkema SR-420 Stearyl Methacrylate Monomer

  1. High-performance automotive clearcoats and protective topcoats.

  2. UV-curable inks and overprint varnishes for packaging and graphic arts.

  3. Thermoplastic elastomer modifiers for improved surface hardness and weatherability.

  4. Functional additives in hot-melt adhesives to enhance cohesion and heat resistance.

  5. Hydrophobic modifier in waterborne acrylic dispersions for architectural and industrial paints.

Specifications Of Arkema SR-420 Stearyl Methacrylate Monomer

Chemical TypeLong-chain alkyl methacrylate monomer
Product FormLiquid at room temperature
AppearanceClear, pale yellow liquid
Primary ApplicationsCoatings, inks, adhesives, thermoplastic modifiers
Key FeaturesHydrophobicity, low volatility, high compatibility, thermal/UV curability
Storage ConditionsStore under inert atmosphere (N₂) at 15–25°C; protect from light
StabilizerContains polymerization inhibitor (MEHQ)
Molecular Weight (theoretical)338.5 g/mol


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