Poly(glycidyl methacrylate) (PGMA) Product Advantages

PGMA Core Advantages

1. Dense reactive epoxy side chains support diversified chemical grafting and crosslinking

2. Rigid polymethacrylate backbone with high thermal stability and mechanical hardness

3. High miscibility with acrylic, epoxy and PU resin systems

4. Tunable molecular structure via copolymerization, scalable low-cost industrial synthesis

5. Soluble in common organic solvents for easy coating and liquid formulation processing

6. Strong interfacial adhesion to metal, glass and inorganic fillers

7. Biocompatible modified grades for bioseparation, medical carrier and environmental adsorption use

1. Abundant Reactive Epoxy Groups for Versatile Modification

Each repeating unit carries a strained oxirane ring, offering high reactivity for mild ring-opening reactions with amines, carboxylic acids, thiols and hydroxyl compounds. No complex pre-treatment is required to graft functional molecules, enabling one-step surface modification, crosslinking and chemical grafting. It acts as a universal reactive scaffold for customized functional materials.

2. Balanced Mechanical & Thermal Stability

The methyl-substituted polymethacrylate backbone delivers a high glass transition temperature (Tg = 80–120°C). PGMA features excellent rigidity, dimensional stability and thermal resistance, with no obvious decomposition below 200°C. Finished films maintain high hardness, scratch resistance and long-term aging stability for coatings and composite binders.

3. Excellent Resin Compatibility

Thanks to polar ester linkages in its side chains, PGMA exhibits outstanding miscibility with mainstream resin systems, including ordinary acrylics, epoxy resins, polyurethanes and vinyl polymers. It can be blended directly without phase separation to enhance substrate adhesion and crosslink density.

4. Adjustable Molecular Design & Easy Industrial Production

• Homopolymer PGMA delivers maximum epoxy functionality; copolymerization with MMA, styrene or crosslinkers allows flexible tuning of epoxy value, solubility, hardness and hydrophilicity.

• Mass production via mature free-radical polymerization (suspension/emulsion/bulk process) supports low-cost large-scale manufacturing for industrial bulk orders. Controlled radical polymerization (ATRP/RAFT) supplies narrow-MWD grades for high-end biomedical and analytical applications.

5. Good Solubility & Convenient Processing

Linear uncrosslinked PGMA dissolves easily in common organic solvents (acetone, THF, chloroform, ethyl acetate). It can be formulated into solvent-based coatings, surface treatment liquids and resin additives, with simple spraying, dipping and curing processing procedures. Crosslinked PGMA microspheres are insoluble, ideal as solid adsorption and separation carriers.

6. Wide Application Compatibility & Low Toxicity

After mild functional modification, PGMA shows favorable biocompatibility, suitable for enzyme immobilization, bioseparation media and drug delivery carriers. It contains no free harmful epoxy monomer residues in finished powder products, meeting standard requirements for coating auxiliary, environmental adsorption and electronic material manufacturing.

7. Superior Adhesion Promotion

Epoxy groups form strong chemical bonds with polar substrates such as metal, glass, ceramic and polar plastic surfaces. As an adhesion promoter, PGMA effectively improves interfacial bonding between polymer matrices and inorganic fillers (silica, titanium dioxide, glass fiber).