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Help CenterMethyl Methacrylate (MMA) Monomer
Product Spotlights
. Applications include:
Optical materials: lenses, screens, and light covers
Medical devices: dental prosthetics, bone cements, and surgical instruments
Construction and automotive: windows, panels, and decorative elements
Industrial products: adhesives, coatings, inks, and paints
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Methyl methacrylate (MMA) is a colorless, volatile liquid monomer used primarily to produce polymethyl methacrylate (PMMA), a transparent thermoplastic widely known as acrylic or plexiglass.
Chemical Properties
MMA has the chemical formula C₅H₈O₂ and contains a vinyl group (CH₂=) attached to an ester group (–C(O)OCH₃) with a methyl side chain
. It is a highly reactive monomer that undergoes free radical polymerization to form PMMA, a high-molecular-weight polymer
. MMA is soluble in organic solvents such as tetrahydrofuran, toluene, cyclohexanone, ethyl acetate, and chloroform, but insoluble in water and alcohols
. It is flammable and should be kept away from strong oxidizing agents
Synthesis and Polymerization
MMA is typically synthesized through chemical processes that produce the monomer in high purity. It polymerizes via free radical mechanisms, often initiated by compounds like azobisisobutyronitrile (AIBN) or benzoyl peroxide, forming PMMA
. PMMA can be produced in various forms, including bulk, solution, emulsion, or suspension polymerization, depending on the desired application
Applications
MMA is primarily used to manufacture PMMA, which is valued for its high transparency, lightweight, and ease of machining
. Applications include:
Optical materials: lenses, screens, and light covers
Medical devices: dental prosthetics, bone cements, and surgical instruments
Construction and automotive: windows, panels, and decorative elements
Industrial products: adhesives, coatings, inks, and paints
PMMA derived from MMA is also used in electronics, aerospace, and consumer goods due to its chemical resistance and dimensional stability
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