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单词 polycarbonate
释义

polycarbonaten.

Brit. /ˌpɒlɪˈkɑːbəneɪt/, /ˌpɒlɪˈkɑːbənət/, U.S. /ˌpɑliˈkɑrbənət/
Origin: Formed within English, by compounding. Etymons: poly- comb. form, carbonate n.
Etymology: < poly- comb. form + carbonate n. Compare earlier monocarbonate n., bicarbonate (see bi- comb. form 3).
Chemistry.
1. A carbonate containing several cations per carbonate anion. Obsolete.
ΘΚΠ
the world > matter > chemistry > organic chemistry > organic salts > [noun] > carbonates
anatron1706
carbonate1788
marine alkali1791
black ash1803
semi-carbonate1808
oxycarbonate1819
potash1823
hydrocarbonate1843
magnesium carbonate1871
thiocarbonate1883
polycarbonate1886
1886 T. S. Hunt Mineral Physiol. & Physiogr. viii. 289 It was further declared that the carbon-spars must be represented as polycarbonates, having not less than from ‘twelve to eighteen equivalents of base replaceable so as to give rise to a great number of species’.
1891 Chem. News 23 Oct. 212/2 (heading) Contamination of alkaline polycarbonates by heavy metals.
2. Any of a class of polymers in which the units are linked by the carbonate group —O·CO·O—, many of which are thermoplastic resins widely used esp. as moulding materials and films. Frequently attributive.
ΘΚΠ
society > occupation and work > materials > derived or manufactured material > synthetic resins and plastics > [noun] > other polymers
polyethylene alcohol1862
polyethylene glycol1886
polyglycol1889
polyanhydride1900
latex1912
polyether1922
polyvinyl alcohol1927
polyamide1929
polycarbonate1930
polyethylene oxide1930
polyacrylonitrile1935
bouncing putty1944
polyvinyl pyrrolidone1945
povidone1955
fibrid1960
the world > matter > chemistry > polymer chemistry > resins and plastics > [noun] > thermoplastic resins > other miscellaneous
polyphenylene oxide1921
polyamide1929
polycarbonate1930
polyacetal1931
polypropylene1935
polymethyl methacrylate1936
polyethylene terephthalate1946
Dacron1951
polyacrylic1959
polyallomer1962
ionomer1964
parylene1965
1930 Jrnl. Amer. Chem. Soc. 52 315 It seems quite certain, therefore, that these polycarbonates are also open chains.
1959 Mod. Plastics 36 39 Farben fabriken-Bayer..has been manufacturing polycarbonates on a commercial scale in Germany for nearly a year.
1978 Skatcat's Quiz Bk. (Royal Soc. Prevention of Accidents) 2/1 Also O.K. are polycarbonate laminates of glass or carbon-fibre reinforced resins with plywood cores.
2002 Amer. Woodworker June 12 Buy a pair of prescription safety glasses with polycarbonate lenses and permanent side shields.
This entry has been updated (OED Third Edition, September 2006; most recently modified version published online March 2022).
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n.1886
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