单词 | polymethacrylate |
释义 | polymethacrylaten. = polymethyl methacrylate n. at polymethyl n. 2. Also: a salt or ester of polymethacrylic acid; a polymer of an ester of methacrylic acid.Cf. Perspex n. and adj., Plexiglas n., Lucite n. ΘΚΠ the world > matter > chemistry > organic chemistry > salts, esters or anions of organic acids > [noun] hydrochloride1823 isethionates1838 citraconate1840 adipate1841 anthranilate1841 stearate1841 itaconic acid1842 salicylate1842 oenanthate1845 ammelide1846 pelargonate1848 pelargyl1851 melanuric acid1852 methylate1852 opianyl1852 abietate1853 maleate1853 fulminuric1856 glyoxylate1856 urethane1856 indican1859 oxalyl1859 malonate1862 methacrylate1865 amylate1866 acetoacetate1873 isobutyrate1873 glutamate1876 hydrobromide1877 nicotinate1879 isovalerate1882 calcium gluconate1884 methoxide1885 isophthalate1886 homogentisate1891 naphthenate1899 peracetate1901 iodoacetate1902 glucuronate1904 hydnocarpate1905 thiomalate1905 azide1907 phytate1908 linolenate1909 isocitrate1925 phenylpyruvate1926 monosodium glutamate1929 perester1933 phosphonate1934 polymethacrylate1935 pantothenate1938 phosphoenolpyruvate1941 nylon salt1945 pantoate1945 penicilloate1946 thymidylate1959 chorismate1965 nonanoate1965 neuraminate1970 1935 C. Ellis Chem. Synthetic Resins II. liii. 1078 The metallic..polymethacrylates are said to possess useful thermoplastic and film-forming properties. 1946 Nature 17 Aug. 224/1 The most notable exceptions are polyacrylates and polymethacrylates, and polyvinyl acetate. The X-ray diffraction patterns produced by these amorphous polymers yield practically no information regarding their constitution. 1973 Sci. Amer. Aug. 111/3 Lenses, mirrors and fiber optics of plastics, usually polymethacrylate and polystyrene, are often made by glass-working techniques. 1991 Mech. Engin. Sept. 56/2 The resin is deprived of oxygen and cures as it reacts with metal ions in the joint to form a solid polymethacrylate. 1992 Sci. News 25 Jan. 55/2 Lithium polymethacrylate molecules suspended in silicon oil. 2003 New Scientist 9 Aug. 23/2 Each glue molecule is made up of three blocks—a styrene molecule flanked by two polymethacrylate groups. This entry has been updated (OED Third Edition, September 2006; most recently modified version published online March 2022). < n.1935 |
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