| 单词 | methyl methacrylate |
| 释义 | > as lemmasmethyl methacrylate methyl methacrylate n. the methyl ester of methacrylic acid, CH2=C(CH3)COOCH3, which is a volatile liquid that readily polymerizes to form a transparent plastic used as a glass substitute, sold under names such as Lucite, Perspex, and Plexiglas; (also) polymerized methyl methacrylate. ΘΚΠ the world > matter > chemistry > organic chemistry > esters > [noun] > named oxalic ether1788 margarate1819 acrylate1843 urethane1856 tropeine1880 malonic ester1881 heavy oil of wine1882 phosphatide1884 ethanoate1892 imino-ester1897 acetylcholine1906 phaeophytin1907 phytic acid1908 propiolactone1917 silicon ester1923 methyl methacrylate1933 Tylose1934 testosterone propionate1937 filicin1941 trichothecin1948 siphonein1949 acetyl coenzyme A1950 acetyl CoA1951 society > occupation and work > materials > derived or manufactured material > synthetic resins and plastics > [noun] > plastic > capable of hardening after heating or (re)shaping > solid transparent methyl methacrylate1933 Perspex1935 Plexiglas1935 Lucite1937 1933 Chem. Abstr. 27 4363 Thermoplastic products are obtained by polymerizing methyl methacrylate..by exposure to light or heat. 1936 Industr. & Engin. Chem. Oct. 1161/2 These properties make methyl methacrylate an outstanding plastic. 1964 N. G. Clark Mod. Org. Chem. x. 194 Acetone cyanohydrin..is an important intermediate in the manufacture of methyl methacrylate, the material used for making the polymer ‘Perspex’. 1987 E. W. Burr Compan. Bird Med. xxiv. 161/1 Methyl methacrylate has been used to stabilize avian fractures. 1993 ICI Ann. Rep. 1992 14/2 ICI Acrylics commissioned a large new methyl methacrylate (MMA) plant in the UK. < as lemmas |
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