polysulphidepolysulfiden.
/ˌpɒlɪˈsʌlfʌɪd/, U.S. /ˌpɑliˈsəlˌfaɪd/ 1. A salt or other compound which contains two or more sulphur atoms bonded together as an anion or group; (also) such an anion or group.
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the world > matter > chemistry > polymer chemistry > polymers (named others) > [noun] > others miscellaneous
polysulphide1849
indoline1884
polyacetylene1885
polymethylene1892
polysaccharide1892
polysaccharose1894
polyose1895
polymethacrylic acid1897
hydrol1900
polyphosphate1908
polyphenylene1921
polyacrylate1932
polyacrylonitrile1935
polyisocyanate1943
polyacrylamide1944
polysiloxane1944
polyglycolic acid1956
polynosic1959
anomalous water1966
polywater1969
the world > matter > chemistry > elements and compounds > metals > specific elements > sulphur > [noun] > compounds > sulphides > miscellaneous others
Canton's phosphorus1787
subsulphide1846
hydrogen sulphide1849
polysulphide1849
trisulphide1866
1849 H. Watts tr. L. Gmelin Hand-bk. Chem. III. ii. 98 The aqueous solution of the polysulphide of sodium [Ger. Mehrfach-Schwefelnatrium] is yellow.
1882 Rep. Precious Metals (U.S. Bureau of Mint) 615 Some sulphurets from Nevada County were digested in a solution of sodium polysulphide, with the addition of free sulphur.
1965 C. S. G. Phillips & R. J. P. Williams Inorg. Chem. I. xvi. 578 The sulphides redissolving in excess sulphide mostly give rise to polysulphide anions, e.g. [SnS3]2−.
1999 D. Ingram & N. Robertson Plant Dis. viii. 174 It comprised a concentrated mixture of calcium polysulphides which broke down on dilution with water and exposure to the air.
2. A polymer in which the units are linked through such groups; esp. any of a class of synthetic rubbers with this structure, used esp. as sealants and adhesives.
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society > occupation and work > materials > derived or manufactured material > synthetic resins and plastics > [noun] > synthetic rubber > specific
methyl rubber1919
Thiokol1930
polychloroprene1931
polyisobutylene1931
polybutadiene1935
polyisoprene1935
polysulphide1935
Buna1936
neoprene1937
Perbunan1938
butyl rubber1940
camel-back1942
polyesteramide1943
polydiene1946
nitrile rubber1947
cold rubber1948
SBR1956
Spandex1959
nitrile1983
1935 C. Ellis Chem. Synthetic Resins II. lviii. 1170 As some of the commercial sulphur resins are polysulphides, Thomas and Riding's work on the alkyl polysulphides should be considered.
1959 J. S. Jorczak in M. Morton Introd. Rubber Technol. xv. 363 Polysulfide polymers were first introduced in 1930.
1988 F. Welsh Building Trireme vii. 157 The seams [were] sealed with an entirely modern two-part polysulphide elastomer.
2003 Boating World May 56/3 Goop everything with polysulfide sealant..before you draw the nuts tight on the bolts.
This entry has been updated (OED Third Edition, September 2006; most recently modified version published online March 2022).
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n.1849- to give audience to
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