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单词 polyisocyanate
释义

polyisocyanaten.

Brit. /ˌpɒlɪˌʌɪsə(ʊ)ˈsʌɪəneɪt/, U.S. /ˈˌpɑliˌaɪsoʊˈsaɪəˌneɪt/
Origin: Formed within English, by compounding. Etymons: poly- comb. form, isocyanate n. at iso- comb. form 2b.
Etymology: < poly- comb. form + isocyanate n. at iso- comb. form 2b.
Chemistry.
Any organic compound containing two or more isocyanate groups; a polymer prepared from such a compound, esp. a polyurethane.
ΘΚΠ
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
1943 H. L. Foster U.S. Patent 2,333,922 1/1 The above objects are accomplished through the production of electrically insulated conductors in which the insulation is a polyester-amide which has been treated with polyisocyanate.
1958 Times Rev. Industry June 37/3 Suprasec K is a 50 per cent. solution in ethyl acetate of a newly developed polyisocyanate designed for use in high-quality lacquers for wood, rubber, and other materials.
1968 E. R. Wells in C. R. Martens Technol. Paints, Varnishes & Lacquers xiii. 205 Urethane is now the accepted description for a group of polymers that are sometimes called polyurethanes, isocyanates or polyisocyanates.
1991 Progress Polymer Sci. 16 73 Experiments on systems consisting of rodlike molecules (polyisocyanate), random coils (polystyrene) and a solvent have also been reported.
1995 Science 30 June 1825/1 Polyisocyanates are stiff polymers that adopt a helical geometry.
This entry has been updated (OED Third Edition, September 2006; most recently modified version published online March 2022).
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n.1943
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