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Methyl methacrylate (MMA) is an organic compound with the formula CH 2 =C(CH 3)COOCH 3. ... free from water, MeP and formaldehyde, is produced. Unreacted MeP and ...
Poly(methyl methacrylate) (PMMA) is the synthetic polymer derived from methyl methacrylate. It is used as an engineering plastic , and it is a transparent thermoplastic . PMMA is also known as acrylic , acrylic glass , as well as by the trade names and brands Crylux , Hesalite , Plexiglas , Acrylite , Lucite , and Perspex , among several others ...
This derivative in turn is hydrolyzed to methacrylic acid, or esterified to methyl methacrylate in one step. Another route to methacrylic acid starts with isobutylene, which obtainable by dehydration of tert-butanol. Isobutylene is oxidized sequentially to methacrolein and then methacrylic acid.
Methyl acrylate can be prepared by debromination of methyl 2,3-dibromopropanoate with zinc. [10] Methyl acrylate is formed in good yield on pyrolysis of methyl lactate in the presence of ethenone (ketene). [11] Methyl lactate is a renewable "green chemical". Another patent [12] describes the dehydration of methyl lactate over zeolites.
Methacrylate ion. Methacrylates are derivatives of methacrylic acid. ... Monomers Methyl methacrylate; Ethyl methacrylate; Butyl methacrylate; Hydroxyethyl methacrylate;
Solubility in water. 202 g/L (20 °C) [1] Hazards Autoignition temperature. 510 °C (950 °F; 783 K) [1] ... Methacrylamide is also a precursor of methyl methacrylate.
Methacrylic anhydride is a liquid which reacts with water exothermically. [1] It can also react with hydroxyl and amino groups present in some organic compounds leading to covalent attachment of methacryloyl moieties. These functional groups could be successfully used either in subsequent polymerisation or reactions with thiols.
The final product is a dispersion of polymer particles in water. It can also be known as a polymer colloid, a latex, or commonly and inaccurately as an 'emulsion'. Smith-Ewart theory does not predict the specific polymerization behavior when the monomer is somewhat water-soluble, like methyl methacrylate or vinyl acetate.