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单词 taxogen
释义

taxogenn.

Brit. /ˈtaksədʒ(ə)n/, U.S. /ˈtæksədʒən/
Origin: Apparently a borrowing from Greek, combined with English elements. Etymons: Greek τάξις , -o- connective, -gen comb. form.
Etymology: Apparently < ancient Greek τάξις arrangement, order (see taxis n.) + -o- connective + -gen comb. form. Compare taxo- comb. form, taxonomy n.
Chemistry.
The molecule which provides the monomer units in a telomerization reaction. Cf. telogen n. 2.
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taxogen1945
1945 J. Harmon U.S. Patent 2,390,099 1/1 ‘Telomerization’ is defined as the process of reacting, under polymerization conditions, a molecule YZ, which is called a ‘telogen’ with more than one unit of a polymerizable compound having ethylenic unsaturation called a ‘taxogen’.
1974 C. M. Starks Free Radical Polymerization i. 2 The term monomer is normally employed instead of taxogen, except in the patent literature.
1980 U.S. Patent 4,183,901 2 The maleic acid telomers are lower molecular weight polymers formed by reacting a chain transfer agent, or telogen with an olefinic monomer of taxogen.
2010 Rev. Environmental Contamination & Toxicol. 208 115 The telomerization process involves free radical addition of a starting telogen..with an unsaturated taxogen.
This entry has been updated (OED Third Edition, March 2013; most recently modified version published online March 2022).
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n.1945
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