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单词 polyimide
释义

polyimiden.

Brit. /ˌpɒlɪˈɪmʌɪd/, U.S. /ˌpɑliˈɪˌmaɪd/
Origin: Formed within English, by compounding. Etymons: poly- comb. form, imide n.
Etymology: < poly- comb. form + imide n. Compare polyamide n.
Chemistry.
Any polymer in which the repeating units contain imide groups, usually in the form —CO·N·CO—; esp. any of a class of thermosetting resins widely used for heat-resistant films and coatings.
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the world > matter > chemistry > polymer chemistry > resins and plastics > [noun] > thermosetting resins
polyester1922
polysulphone1934
polyimide1945
epoxy resin1950
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
1945 Brit. Patent 570,858 2/1 The products are referred to as polyamide-imides. When a tetracarboxylic acid of the above mentioned kind is used each pair of carboxyl groups reacts with an amino group of the diprimary diamine through imide-formation so that the polymer is a polyimide rather than a polyamide-imide.
1955 U.S. Patent 2,710,853 1 This invention relates to a novel group of linear polymeric polyimides,..said polyimides differing from previously known polyimides in properties which are important in injection molding applications.
1965 New Scientist 19 Aug. 443/1 Du Pont's polyimide known as H-film, or Kapton, a plastic film that finds its chief use as a high-temperature electrical insulation.
1975 Wen-Hsuan Chang et al. in M. Lewin et al. Flame-Retardant Polymeric Materials x. 442 Decorative coatings for cookware are possible with polyimide coatings because of their ability to withstand direct contact with flame.
2001 R. W. Cahn Coming of Materials Sci. vii. 264 In multilayer metallisation structures, polymer films, temperature-resistant polyimides in particular, are increasingly replacing ceramics.
This entry has been updated (OED Third Edition, September 2006; most recently modified version published online March 2022).
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n.1945
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