请输入您要查询的英文单词:

 

单词 tetrafluoroethylene
释义

tetrafluoroethylenen.

/ˌtɛtrəflʊərəʊˈɛθᵻliːn//ˌtɛtrəflɔːrəʊˈɛθᵻliːn/
Forms: Also tetrafluorethylene.
Etymology: < tetra- comb. form + fluoro- comb. form + ethylene n.
Chemistry.
A dense, colourless gas, F2C:CF2, which is polymerized to make plastics. Cf. polytetrafluoroethylene n.
ΘΚΠ
the world > matter > chemistry > organic chemistry > hydrocarbons > [noun] > halogenated hydrocarbons > specific
tetrachlorethane1871
pentachloroethane1872
trichloroethylene1889
Freon1932
tetrafluoroethylene1933
fluorocarbon1937
perfluorocarbon1947
heptachlor1949
tetrachlorodibenzodioxin1959
TCDD1971
CFC1976
1933 Jrnl. Amer. Chem. Soc. 55 3177 There is good evidence that tetrafluoroethylene is produced in small quantities.
1946 Sci. News 4 63 Polymerisation of tetrafluorethylene..yields heat-resistant, chemically inert solids, which can be moulded into any desired shape.
1958 Times Rev. Industry Feb. 81/2 A rather typical example of what can be achieved with fluorocarbons is the polymerization of tetrafluoroethylene to yield a commercial plastic.
1973 Materials & Technol. VI. 544 The monomer tetrafluoroethylene is obtained by pyrolysis from CHFCl2 (..that is, the refrigerants Freon-22 and Genetron-141).
This entry has not yet been fully updated (first published 1986; most recently modified version published online December 2020).
<
n.1933
随便看

 

英语词典包含1132095条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。

 

Copyright © 2004-2022 Newdu.com All Rights Reserved
更新时间:2024/9/21 8:24:05