In the fast-evolving landscape of high-performance coatings, electronic adhesives, and energy-curable systems, formulators face a continuous challenge: balancing lower viscosity with superior film performance. To bridge this technical gap, Sinocure Chemical Group is proud to introduce our latest newly developed specialty monomer: SINOMER® EFM-10MA (Methacrylic Acid Adduct of Glycidyl Neodecanoate).
Engineered for cutting-edge applications, this unique methacrylic monomer provides an elite architectural matrix that solves adhesion, weathering, and viscosity limitations in traditional resin synthesis.
The exceptional performance of SINOMER® EFM-10MA stems directly from its sophisticated molecular engineering. Structurally, it combines the powerful benefits of three distinct chemical functionalities:
The Bulky Tertiary Carbon (Neodecanoate) Shield: The highly branched R₁ and R₂ tertiary alkyl groups create immense steric hindrance around the ester bonds, acting as a molecular umbrella that shields the polymer backbone from water, acids, and alkalis.
The Polymerizable Methacrylate Double Bond: Ensuring exceptional compatibility and ultra-low volume shrinkage during free-radical or UV-curing processing.
The Pendant Secondary Hydroxyl Group (-OH): Provides an active site for post-crosslinking with isocyanates (PU) or melamine resins, unlocking multi-curing mechanisms.
By integrating SINOMER® EFM-10MA into your formulations, you can achieve critical technical milestones:
Extreme Hydrophobicity & Chemical Resistance: The rich tertiary carbon structure blocks moisture absorption, providing unmatched water, acid, alkali, and chemical resistance for marine and industrial coatings.
The Ultimate "High-Solid, Low-Viscosity" Tool: Delivering an exceptionally low viscosity (60–100 cps), it dramatically cuts down the need for volatile organic solvents, allowing formulators to design eco-friendly, ultra-low VOC or 100% solid systems without sacrificing mechanical properties.
Unrivaled Adhesion to Hard-to-Wet Plastics: Its strong lipophilic nature significantly enhances substrate wetting. It offers excellent, durable adhesion to difficult low-surface-energy plastics, including PP, PE, PET, and ABS.
Reduced Volume Shrinkage: Thanks to the specific methacrylic acid adduct design, it demonstrates noticeably lower curing shrinkage, preventing internal stress cracking, warping, and film lifting.
SINOMER® EFM-10MA is a versatile building block engineered for high-end markets:
UV/EB Energy Curable Systems: Acts as an advanced single-functional reactive diluent for electronic adhesives, UV inks, and high-performance plastic coatings.
Optical Fiber Coatings: Provides excellent flexible buffering and absolute moisture insulation.
Automotive OEM & Refinish Coatings: Used as a modifying monomer in acrylic polyol resins to improve outdoor weatherability and distinctness of image (DOI).
High-End Emulsion Polymerization: Significantly elevates the scrub resistance and water resistance of waterborne acrylic emulsions.
Q1: What is the exact chemical nature of SINOMER® EFM-10MA?
A: SINOMER® EFM-10MA is a specialty methacrylic acid adduct of glycidyl neodecanoate. It is a highly pure, colorless transparent liquid monomer featuring a bulky branched structure, a polymerizable double bond, and a secondary hydroxyl group.
Q2: What are the main benefits of the methacrylate functionality in SINOMER® EFM-10MA?
A: The methacrylate structure delivers key mechanical advantages. The additional methyl group on the double bond gives EFM-10MA lower volume shrinkage, higher glass transition temperature (Tg), and greater cured film hardness, making it ideal for rigid industrial applications and precision electronic coatings where internal stress must be minimized.
Q3: Can this monomer be used in waterborne systems?
A: Yes. While the monomer itself is highly hydrophobic, it can be easily incorporated into acrylic emulsions during emulsion polymerization as a functional co-monomer. It drastically improves the waterborne resin‘s overall water-scrub resistance and chemical defense.
Q4: How does the hydroxyl group contribute to formulation flexibility?
A: The pendant secondary hydroxyl (-OH) group provides dual-cure capability. Beyond free-radical or UV curing through the double bond, the hydroxyl group can react with crosslinkers like polyisocyanates, amino resins, or melamine to create highly dense, chemically bound polyurethane-acrylic hybrids.
Q5: What are the packaging options and storage requirements?
A: We supply SINOMER® EFM-10MA in standard 25kg pails and 200kg drums. It must be stored in a cool, dry, well-ventilated warehouse. Because it contains polymerizable double bonds, it must be strictly protected from direct sunlight, UV exposure, and high temperatures to ensure shelf stability.
As a premier developer of specialty monomers, Sinocure Chemical Group provides complete technical support and consistent global logistics.
Contact our R&D specialists at Info@sinocurechem.com or call +86 15668330235 to request your TDS, MSDS, or a commercial sample of SINOMER® EFM-10MA.
