单词 | polyisocyanate |
释义 | polyisocyanaten. 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). < n.1943 |
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