单词 | bakelite |
释义 | bakeliten. A proprietary name for: any of various thermosetting resins produced as condensation products of formaldehyde with phenol or other phenolic compounds, often combined with inert fillers or fabrics and used to make electrical insulators and (especially in the mid 20th cent.) a wide variety of rigid moulded plastic products. Frequently as modifier.Bakelite was the first successful synthetic plastic, often replacing natural materials such as wood, bone, or horn. Objects made of bakelite are particularly associated with the mid 20th cent., when it was in widespread use before being largely superseded by other plastic materials. ΘΚΠ the world > matter > chemistry > polymer chemistry > industrial polymers (named) > [noun] hexamethylenediamine1894 cellulose acetate1895 bakelite1909 phenol-formaldehyde1911 Paxolin1918 methylcellulose1921 Saran1940 polyester resin1946 polyester fibre1951 Mylar1952 polychlorinated biphenyl1959 1909 N.-Y. Daily Tribune 6 Feb. 2/3 Dr. L. E. Baekeland told the members of the American Chemical Society in the Chemists' Club last night of his new chemical substance, Bakelite... He said it was capable of formation in fancy articles..as well as of playing an important part in the engineering industries. 1913 Jrnl. Soc. Chem. Industry 16 June 563/2 Bakelite varnish has been suggested for use as an antiseptic in hospitals. 1921 T. E. Thorpe Dict. Appl. Chem. I. 501/1 There are..bakelite plants in Germany, France and England, and several factories where bakelite goods, such as buttons, are manufactured under licence. 1940 Motor Age Apr. 119/3 (advt.) Specialists in plastics constantly check the quality of Super Bakelite to produce [distributor] caps and rotors that will permit extra service under the most difficult circumstances. 1964 L. H. Van Vlack Elements Materials Sci. (ed. 2) xiii. 395 Birchwood veneer is impregnated with bakelite to ensure water resistance and to increase strength in the final form of the plywood. 1998 National Trust Mag. Autumn 28/3 The Trust has also installed original 1950s bakelite light fittings and switches. 2008 N. Garcia One Hundred (2010) vi. 19 For fun, look for odd-colored Bakelite from the flea market or cheap Indian bangles. This entry has been updated (OED Third Edition, September 2020; most recently modified version published online December 2021). < n.1909 |
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