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单词 polymethacrylate
释义

polymethacrylaten.

Brit. /ˌpɒlɪmᵻˈθakrᵻleɪt/, U.S. /ˈˌpɑliməˈθækrəˌleɪt/
Origin: Formed within English, by compounding. Etymons: poly- comb. form, methacrylate n.
Etymology: < poly- comb. form + methacrylate n., after polymethacrylic adj. Compare polymethyl n.
= 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).
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n.1935
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