Glycolysis of rigid aluminium hydroxide-modified polyurethane-polyisocyanurate foams

被引：0
|
作者：
Czuprynski, Boguslaw [1 ]
Liszkowska, Joanna [1 ]
Paciorek-Sadowska, Joanna [1 ]
机构：
[1] Uniwersytet Kazimierza Wiel Katedra, Katedra Chem & Technol Poliuretanow, PL-85812 Bydgoszcz, Poland
来源：
PRZEMYSL CHEMICZNY | 2008年 / 87卷 / 11期
关键词：
D O I：
暂无
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Polyurethane-polyisocyanurate (PUR-PIR) foams were modified by addn. of Al(OH)(3) (20% by mass) to reduce their flammability and glycolyzed in diethylene, ethylene and 1,3-propylene glycols at 200 degrees C in presence of ethanolamine and Zn stearate. The glycolyzates were recycled and used for manufg. new PUR-PIR foams. The foams showed a limited flammability, satisfactory mech. properties, low water intake, high content of closed cells and low thermal cond.
引用
收藏
页码：1107 / 1114
页数：8
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