GMA(Glycidyl Methacrylate) CAS NO.:106-91-2

Product name: GMA(Glycidyl Methacrylate)

CAS NO.:106-91-2

Package:drum,IBC

Glycidyl Methacrylate for Reactive Polymers in Coatings, Adhesives, and High-Performance Resins

 Glycidyl Methacrylate (GMA) is widely used in the production of polymers and resins for coatings, adhesives, and sealants, offering exceptional reactivity due to its dual functional groups—an epoxy ring and a methacrylate moiety. This structure allows for versatile chemical bonding, making GMA a key monomer in crosslinkable and functional polymer systems.

Methacrylates, including GMA, are valued for their optical clarity, mechanical durability, and weather resistance, making them indispensable in automotive, construction, medical, and electronics industries.

Glycidyl Methacrylate is commonly used in thermosetting resins, impact-resistant plastics, paints, UV-curable coatings, and composite materials. Its epoxy functionality enhances adhesion, chemical resistance, and surface hardness, especially in applications that require strong substrate bonding or post-curing functionality.

GMA is also ideal for functionalizing polymers, improving dyeability, and creating reactive copolymers for advanced manufacturing, packaging, and biomedical technologies. Its versatility supports a broad range of industrial and specialty chemical applications where performance and reliability are critical.

Application

1. Coatings Industry

As a modified/crosslinking monomer, it participates in the synthesis of acrylic resins, polyester resins and alkyd resins, introducing epoxy groups to realize self-crosslinking of resins (no additional crosslinking agent required), which improves the adhesion, chemical resistance, scrub resistance, hardness and weather resistance of paint films. It is used to produce water-based/solvent-based industrial anti-corrosive paints, plastic paints, automotive paints and wood coatings, and is particularly suitable for coating systems requiring high adhesion to metal/plastic substrates, while enhancing the water and solvent resistance of coatings.

2. Adhesives & Sealants

It is a core modified monomer for acrylic adhesives. After copolymerization with BA, MMA and other monomers, the epoxy groups undergo ring-opening reactions with hydroxyl and carboxyl groups on the surface of adherends, which significantly improves the interfacial bonding strength of adhesive layers to metals, plastics, glass and composite materials. It is applied in the production of pressure-sensitive adhesives, structural adhesives, anaerobic adhesives and hot melt adhesives, enhancing the holding power, temperature resistance, aging resistance and chemical resistance of adhesives, and is suitable for high-end scenarios such as electronic packaging, automobile manufacturing and building material bonding.

3. Plastic Modification

It undergoes copolymerization with PE, PP, PVC, ABS, PMMA, PET and other resins, and the crosslinking effect of epoxy groups improves the mechanical properties (tensile strength, impact resistance), heat resistance and chemical resistance of plastics. Meanwhile, it enhances the surface adhesion of modified plastics, solving the problem of poor coatability and bondability of plastic surfaces. It is used to manufacture injection-molded products such as household appliance casings, auto parts and electronic components, and can also be applied in the preparation of polymer alloys (e.g., PA/PP alloys) to improve compatibility.

4. Textile and Leather Industry

As a crosslinking modified monomer for textile emulsions, it is used to synthesize acrylic coating finishing emulsions/printing binders. Epoxy groups realize crosslinking film-forming of emulsions, improving the wash resistance, wear resistance, water resistance and fastness of fabric coatings. It is applied in the synthesis of leather finishing agents, enhancing the adhesion between the finishing layer and leather, as well as the flexibility, folding resistance and chemical resistance of the finishing layer, while endowing the leather surface with better scrub resistance.

5. Synthetic Resin & Polymer Material Production

It is copolymerized with acrylic ester monomers to prepare epoxy acrylic resins, which are core raw materials for UV-curable coatings and UV-curable inks (the double bonds participate in UV photopolymerization, and epoxy groups improve performance). Epoxy-containing polymers prepared by homopolymerization or copolymerization can serve as crosslinking agents for water-based resins, plastic compatibilizers and ink binders, and can also be used to produce ion exchange resins and chelating resins.

6. Electronics and Composite Materials Field

It is used to prepare electronic-grade packaging materials and resins for copper-clad laminates, improving the adhesion, insulation and heat resistance of materials. As an interface modifier for composite materials, it improves the compatibility between fibers (glass fibers, carbon fibers) and resin matrices, enhancing the overall mechanical strength of composite materials. It can also be applied in the preparation of photoresists and photosensitive resins, improving the developing precision and film performance of photosensitive materials.

7. Other Fields

As a modified monomer for oilfield chemicals, it is used to prepare drilling fluid fluid loss reducers and water shutoff agents, enhancing the temperature and salt resistance as well as adsorptivity of the products. It is applied in the papermaking industry as a sizing agent and paper strength agent, improving the wet strength, water resistance and stiffness of paper. It also serves as a rubber modified monomer, and is copolymerized with styrene-butadiene rubber and acrylic rubber to enhance the crosslinking density, wear resistance and oil resistance of rubber.