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Methyl methacrylate (MMA) is an organic compound with the formula CH 2 =C(CH 3)COOCH 3. This colorless liquid, the methyl ester of methacrylic acid (MAA), is a ...
Methacrylate ion. Methacrylates are derivatives of methacrylic acid. ... Monomers Methyl methacrylate; Ethyl methacrylate; Butyl methacrylate; Hydroxyethyl methacrylate;
Poly(methyl methacrylate) (PMMA) is a synthetic polymer derived from methyl methacrylate. It is a transparent thermoplastic , used as an engineering plastic . 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 ( see below ).
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.
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.
Polymethyl methacrylate is the clear break-resistant sheeting sold as acrylic glass (or simply acrylic sheet) or under the trade name Plexiglas, Perspex, etc. Polyacrylates are used in cosmetic products as rheology modifiers and film formers, and these are typically polymers of acrylic acid fluids.
1998: Facilities in Singapore for the manufacture of acrylic acid and its derivatives, including methyl methacrylate resins, under a project which Sumitomo Chemical was promoting with other Japanese companies, are completed in October. 2000: Sumitomo Chemical establishes Genomic Science Laboratories, operated jointly with Sumitomo Pharmaceuticals.
Use of methyl methacrylate can cause skin reactions and damages to the natural nails, sometimes even permanently. Some signs that a nail salon is still using MMA might be prices that are significantly lower than most other nail salons. [29] There will be an unusually strong and fruity odor.