单词 | polyallomer |
释义 | > as lemmaspolyallomer polyallomer n. Brit. , U.S. [ < poly- comb. form + -allomer (in allomerism n.), after polymer n.] any of a class of crystalline thermoplastics which are copolymers of two or more different alkenes, esp. ethylene and propylene.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 1962 New Scientist 22 Mar. 697/2 They are described as stereoregular crystalline plastics and have been given the name polyallomers because their highly crystalline structure differs in chemical composition from other crystalline plastics. 2000 Limnol. & Oceanogr. 45 1699/2 Aliquots..of each final concentrate were transferred to polyallomer microcentrifuge tubes. < as lemmas |
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