Investigation of the stability of the modified urea-formaldehyde resin

被引：5
|
作者：
Kurta, SA [1 ]
Fedorchenko, SV [1 ]
Chaber, MV [1 ]
机构：
[1] PreCarpathian Univ, Dept Chem, UA-77300 Kalush, Ukraine
来源：
POLIMERY | 2004年 / 49卷 / 01期
关键词：
urea-formaldehyde resins; modification; aliphatic alcohols; storage stability;
D O I：
10.14314/polimery.2004.049
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Commercial KFMT-15 type urea-formaldehyde resin (UF) was modified with an addition of 4 wt. % of various alcohols (methanol, ethanol, isopropanol, butanol). Changes of pH, relative viscosity, hot gelation time and free formaldehyde content during storage (up to 4 months) were investigated. Chemical interpretation of the results obtained has been proposed. It was found that isopropanol is the most advantageous modifier - from the point of view of UF useful properties (especially emission of formaldehyde).
引用
收藏
页码：49 / 51
页数：3
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