Glycidyl Methacrylate with CAS 106-91-2
What is Glycidyl Methacrylate?
Glycidyl Methacrylate (GMA), also known as 2,3-Epoxypropyl Methacrylate, is a bifunctional reactive monomer that combines an epoxide group and a methacrylate group within a single molecule. This unique dual-functionality makes GMA an exceptionally versatile building block in polymer chemistry.
The methacrylate double bond enables free-radical or UV-initiated polymerization, while the epoxy group participates in ring-opening reactions with nucleophiles such as amines, carboxylic acids, and hydroxyl compounds. This allows formulators to design polymers with precisely engineered crosslink density, adhesion, and chemical resistance.
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Product Advantages
- Dual Reactive Functionality: Both methacrylate and epoxy groups in one molecule allow simultaneous or sequential crosslinking, enabling complex polymer architectures that single-functional monomers cannot achieve.
- Enhanced Adhesion: The epoxide ring reacts with surface hydroxyl and amine groups, creating covalent bonds to metal, glass, and composite substrates—dramatically improving adhesion and delamination resistance.
- Superior Chemical Resistance: GMA-based copolymers exhibit excellent resistance to solvents, acids, and alkaline environments, extending the service life of coatings and sealants in demanding industrial conditions.
- UV / Free-Radical Curable: The reactive methacrylate double bond participates readily in UV-initiated and peroxide-initiated polymerization, supporting high-speed, low-VOC curing processes for sustainable manufacturing.
Glycidyl Methacrylate Quick details
- Chemical Name: Glycidyl methacrylate
- CAS No.: 106-91-2
- EINECS: 203-441-9
- Molecular Formula: C7H10O3
- Molecular weight: 142.15
- Appearance:Colorless Transparent Liquid
- Purity:99.7%
- Synonyms:GlycidylMethacrylate,stabilized,97%100GR;GlycidylMethacrylate,stabilized,97%500GR;2-Methyl-2-oxiranyl-2-propenoicacChemicalbookidMethylester;GlycidylMethacrylateORMethacrylicacid2,3-epoxypropylester;blemmergma;CP105;cp105;Glycidolmethacrylate
Glycidyl Methacrylate Typical Properties
| Item | Specification | Results |
| Appearance | Colorless Transparent Liquid | Conforms |
| Purity | ≥99.7% | 99.8% |
| Chroma(APHA) | ≤15 | 7 |
| Polymerization inhibitor | ≤100PPM | 22 |
| Moisture | ≤0.05% | 0.02% |
| Conclusion | The results conforms with enterprise standards | |
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Glycidyl Methacrylate Applications
- Powder Coatings: GMA-functional acrylic resins are the standard crosslinker in TGIC-free powder coating systems, providing excellent flow, gloss, weatherability, and mechanical properties for architectural and automotive finishes.
- UV-Curable Coatings & Inks: Used as a reactive diluent and functional monomer in UV/EB curable formulations, reducing viscosity while contributing to film hardness, scratch resistance, and substrate adhesion.
- Adhesives & Sealants: GMA improves peel strength and lap-shear performance in structural and semi-structural adhesives used in automotive assembly, electronics bonding, and construction.
- Textile & Fiber Finishing: Applied as a surface-grafting agent on natural and synthetic fibers to enhance dye uptake, anti-wrinkle properties, and bonding to matrix materials in fiber-reinforced composites.
- Electronics & PCB Coatings: Used in conformal coatings and encapsulants for printed circuit boards, offering moisture resistance, low ionic contamination, and strong adhesion to copper and solder mask surfaces.
Glycidyl Methacrylate Package & Storage
- Package:200kg/drum;1000kg/IBC drum
- Storage: Store in a cool place and keep it sealed to avoid direct sunlight.
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