Novel phenol-formaldehyde resins, 2 - Resols prepared using reactive solvents

被引:7
|
作者
Lubczak, R [1 ]
机构
[1] Rzeszow Univ Technol, Fac Chem, PL-35959 Rzeszow, Poland
关键词
formaldehyde; ketones; liquefaction; phenol; resols;
D O I
10.1002/mame.200290035
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
New results on the method of preparation of phenol formaldehyde resins from phenol and multihydroxymethyl derivatives of some ketones are presented. The latter, known as the reactive solvents of melamine, were prepared by reacting acetone and methyl ethyl ketone with excess of formaldehydes. A novel group of resins of resol type has been obtained. The structure of products is discussed and compared to that of classical resols. The fragments of ketones have been found incorporated into the structure of resins.
引用
收藏
页码:66 / 70
页数:5
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