单词 | ionomer |
释义 | ionomern. Any of a class of synthetic polymers that contain a significant proportion of ionic groups, used to make films, coatings, and moulded products.The physical properties of ionomers are influenced by ionic interactions between polymer chains. ΘΚΠ the world > matter > chemistry > polymer chemistry > resins and plastics > [noun] > thermoplastic resins > other miscellaneous polyphenylene oxide1921 polyamide1929 polycarbonate1930 polyacetal1931 polypropylene1935 polymethyl methacrylate1936 polyethylene terephthalate1946 Dacron1951 polyacrylic1959 polyallomer1962 ionomer1964 parylene1965 society > occupation and work > materials > derived or manufactured material > synthetic resins and plastics > [noun] > plastic > capable of hardening after heating or (re)shaping > types of polystyrol1873 polyoxymethylene1908 polystyrene1927 polyvinyl chloride1930 polyacetal1931 polyformal1935 polypropylene1935 PVC1941 polyacrylic1959 phenoxy1962 polyallomer1962 ionomer1964 parylene1965 polypro1986 1964 Washington Sci. Trends 7 Sept. 313 A new family of plastics with ‘toughness and glass-like transparency’ has been developed by Du Pont—technical name ‘ionomer’, trade name ‘Surlyn A’. 1986 J. P. Candlin in C. A. Heaton Chem. Industry i. 43 Many ionic polymers (ionomers, e.g. Nafion) are plasticized by H2O through interaction with the ionic groups. 2000 ANTEC 2000 (Society of Plastics Engineers) III. 2786/1 A novel ionomer is being developed to modify nylon for blow-molding applications. 2010 Nature 11 Mar. 139/1 The material is perfluorosulphonic acid (PFSA or Nafion), a commercial ionomer that has been extensively studied due to its application as a fuel-cell proton exchange membrane. This entry has been updated (OED Third Edition, March 2012; most recently modified version published online March 2022). < n.1964 |
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