Polymethyl acrylate

Polymethyl acrylate (CAS 9003-21-8) is an acrylic homopolymer produced by free-radical polymerization of methyl acrylate monomer.

Where is Polymethyl acrylate used?

• Coatings: binder or co-binder for soft, extensible films
• Adhesives and sealants: flexibility and tack in pressure-sensitive systems, supporting crosslinking with curing agents
• Textile finishing: softness and fiber cohesion without stiffening the hand
• Leather finishing and paper coatings: crack resistance under flexing
• Printing and packaging: component in water-based inks and lamination adhesives
• It functions as a film-forming binder, rheology modifier, and plasticizing component.

Good to know: Food-contact or regulated-use grades should be confirmed against applicable regional compliance documentation before implementation.

Commercial specifications

• Aqueous emulsion or latex dispersion; solid polymer forms for specialized compounding
• Molecular weight grades vary to suit end-use viscosity and film-formation requirements