What are the applications of methyl methacrylate (MMA CAS 80-62-6)?

Methyl methacrylate (MMA CAS 80-62-6) is an organic compound with the chemical formula C5H8O2. It is a colorless liquid, slightly soluble in water, and soluble in most organic solvents such as ethanol. It is mainly used as a monomer for plexiglass (acrylic glass), and also in the manufacture of other resins, plastics, coatings, adhesives, lubricants, impregnating agents for wood and cork, and paper varnishes. It has the following properties and uses:

Properties of methyl methacrylate

• Appearance: Phenyl methacrylate is a colorless liquid or white crystals.
• Solubility: Phenyl methacrylate is soluble in organic solvents such as methanol and dichloromethane, but has low solubility in water.
• Reactivity: Phenyl methacrylate is a polymerizable monomer and can be polymerized to prepare polyphenyl methacrylate (PMMA).

Uses: Phenyl methacrylate is widely used in the preparation of high-transparency plastics, plexiglass, coatings, adhesives, and rubber fillers.

Physical Properties of Methyl Methacrylate

• Appearance: Colorless liquid, volatile, with a strong pungent odor
• Density: Approximately 0.943 g/cm³
• Melting point: -48°C
• Boiling point: 100–101°C
• Refractive index: Approximately 1.442
• Autoignition temperature: 421°C
• Solubility: Sparingly soluble in water, but readily soluble in ethanol and most organic solvents

Applications of Methyl Methacrylate (PMMA)

• PMMA is the core monomer in the synthesis of polymethyl methacrylate (PMMA), accounting for over 60%.
• PMMA is used in automotive taillights, transparent building materials, medical devices, and handicrafts, exhibiting high light transmittance and weather resistance.
• Coatings and Adhesives: As a film-forming agent in coatings, it improves scratch resistance and gloss; used in adhesives to enhance adhesion.
• Copolymer Development: Copolymerized with butadiene and styrene to form MBS resin, improving the impact resistance and transparency of PVC.
• Copolymerized with styrene to prepare MS resin, optimizing optical properties and processing flowability.
• Used in synthetic resins, coating modifiers, fiber treatment agents, and deodorizers.
• Other Uses: Manufactured as lubricants, wood impregnators, paper varnishes, and pharmaceutical intermediates.

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