| 单词 | polyurethane foam |
| 释义 | > as lemmaspolyurethane foam Any of a large class of polymers having the units linked by the group —NH·CO·O—, which are made esp. by the reaction of polyisocyanates with polyhydroxy compounds and are important commercially as foams and fibres and as constituents of paints, adhesives, synthetic rubbers, etc.; a plastic, varnish, etc., consisting of or made from such a polymer. Frequently attributive, esp. in polyurethane foam, and in instrumental and parasynthetic compounds. ΘΚΠ the world > matter > chemistry > polymer chemistry > resins and plastics > [noun] > others Parkesine1862 succinite1868 linoxyn1876 polyanhydride1900 polyether1922 casein plastic1925 alkyd resin1928 polyolefin1930 acrylate1934 polymethyl acrylate1936 polyurethane1939 polytetrafluoroethylene1946 society > occupation and work > materials > derived or manufactured material > synthetic resins and plastics > [noun] > foam polyether1922 polyurethane foam1939 Styrofoam1950 syntactic foam1955 society > occupation and work > materials > derived or manufactured material > synthetic resins and plastics > [noun] > synthetic resin > specific synthetic resins coumarone resin1900 novolak1909 glyptal1915 marblette1927 Vinylite1929 polyolefin1930 polysulphone1934 urea resin1937 melamine resin1939 polyurethane1939 polyvinylidene chloride1940 polyvinyl butyral1941 polyimide1945 Teflon1945 Araldite1946 polytetrafluoroethylene1946 epoxy resin1950 urethane1956 Maraglas1962 tartan1964 alkyd1984 1939 Jrnl. Amer. Chem. Soc. 61 3507/2 The preparation of polyurethans of some free sugars and glycosides with phenyl isocyanate has been described. 1945 Chem. & Engin. News 25 Sept. 1615/1 Among the new or less well-known polymers which they [sc. the Germans] have been manufacturing are polyvinyl ethers..and polyurethanes. 1945 Mod. Plastics Oct. 152 f/2 Polyurethane resin was used on a small scale as an adhesive in aircraft construction. 1958 Engineering 7 Feb. 167/2 A lightweight portable shelter suitable for aircraft, vehicles or stored goods, consisting of a tubular light-alloy framework covered with polyurethane-proofed nylon. 1968 W. Warwick Surfriding in N.Z. 16/3 At present surfboards are being constructed from the material polyurethane. 1974 Nature 16 Aug. 526/3 Polyurethane foam is sprayed on to the inside of a lightweight aluminium mould. 1977 J. March Adv. Org. Chem. (ed. 2) xvi. 813 Polyurethans are made by combining compounds with two NCO groups with compounds containing two OH groups. 1991 Construction Weekly 18 Sept. 22/1 Solid tyres..are favoured for limited applications, although polyurethane-filled tyres are becoming increasingly popular. 2001 Sci. News 7 July 9/2 The unrecyclable components, including polyurethane foam insulation, often go into community landfills. 2002 Better Homes & Gardens: Wood June 48/1 With the stain dry, brush on two coats of satin polyurethane. < as lemmas |
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