请输入您要查询的英文单词:

 

单词 methylol
释义 methylol Chem.|ˈmɛθɪlɒl|
[f. methyl + -ol.]
= hydroxymethyl s.v. hydroxy- 3.
1898Jrnl. Chem. Soc. LXXIV. i. 506 Nitrobutylic alcohol..readily condenses with formaldehyde (1 mol.) to form a glycol (2-methylol-2-nitro-1-butanol).1937F. C. Whitmore Org. Chem. 521 Formaldehyde condenses with urea to give methylol ureas, NH2CONHCH2OH etc. The methylol groups can combine with more urea to form more and more complex molecules until a resin is formed.1962J. T. Marsh Self-Smoothing Fabrics i. 3 The fundamental basis of the process remains unchanged and depends on the application of methylol compounds within the fibre of the fabric followed by their further condensation.
随便看

 

英语词典包含277258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:2024/12/22 13:28:28