翻訳と辞書
Words near each other
・ Cyclone Bijli
・ Cyclone Bingiza
・ Cyclodendron
・ Cycloderma
・ Cyclodes (moth)
・ Cyclodes omma
・ Cyclodextrin
・ Cyclodextrin glycosyltransferase
・ Cyclodiphosphazane
・ Cyclodisparity
・ Cyclodium
・ Cyclodium meniscioides
・ Cyclodius
・ Cyclododecahexaene
・ Cyclododecane
Cyclododecatriene
・ Cyclodomorphus
・ Cyclodomus
・ Cyclodorippoida
・ Cycloes
・ Cycloeucalenol cycloisomerase
・ Cyclofenil
・ Cyclofosfamide/dexamethasone
・ Cyclogenesis
・ Cycloglypha
・ Cyclogomphus
・ Cyclogomphus gynostylus
・ Cyclograph
・ Cyclograpsus
・ Cyclograpsus granulosus


Dictionary Lists
翻訳と辞書 辞書検索 [ 開発暫定版 ]
スポンサード リンク

Cyclododecatriene : ウィキペディア英語版
Cyclododecatriene

|Section3=
}}
Cyclododecatrienes are cyclic trienes with the formula C12H18). Four isomers are known for 1,5,9-cyclododecatriene. The ''trans'',''trans'',''cis''-isomer is a precursor in the production of nylon-12.
:
==Production==
The ''trans'',''trans'',''cis''-isomer is obtained by cyclotrimerization of butadiene catalyzed by a mixture of titanium tetrachloride and an organoaluminium co-catalyst. Production capacity in 1995 was 8000 tons.
:
As aforementioned, titanium catalysts predominately produce the important ''cis'',''trans'',''trans''- isomer. The all-''trans'' isomer is, however, the product from nickel- and chromium-catalyzed routes. In general, the yield of cyclododecatriene through these methods is greater than 80%. The principal side products are the dimers and oligomers of butadiene.

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
ウィキペディアで「Cyclododecatriene」の詳細全文を読む



スポンサード リンク
翻訳と辞書 : 翻訳のためのインターネットリソース

Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.