A chemical compound made by grouping molecules to form natural or synthetic resins. Acrylic resins are polymers in a thermoplastic or thermosetting form of either acrylic acid, methacrylic acid, esters of these acids, or acrylonitrile, and are used to produce paints, and such lightweight plastics and synthetic rubbers as nylon. Polymer clay, polyurethane, and other materials are made of polymers. (Artlex.com)

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