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Special English for polymer science 1.1 Saturated CnH2n+2(alkanes)
a. ) Unbranched
The first four members have semi-trivial names (俗名), Following the members of the series are given systematic names. In these names, the ending “–ane” is combined with the Greek (Latin) numerical term for the number of C-atoms, in the chain. Methane CH4 Ethane C2H6 Propane C3H8 Butane C4H10
CnH2n+1 radicals (alkyls) CH4 methane; CH3—methyl “ane”→“yl”
Butane →butyl; propane →propyl Pentane →pentyl; hexane →hexyl Heptane→heptyl; octane →octyl Nonane→nonyl; decane→decyl CnH2n radicals
(1) “ane”→ “ylidene” (叉，亚基)
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