Effect of the isocyanate index and the type of based rapeseed oil-based bio-polyols on the thermal properties and flammability of rigid polyurethane-polyisocyanurate foams

被引：0
|
作者：
Prociak, Aleksander [1 ]
Kuranska, Maria [1 ]
Michalowski, Slawomir [1 ]
Cabulis, Ugis [2 ]
Kirpluks, Mikelis [2 ]
机构：
[1] Politech Krakowska Tadeusza Kosciuszki, Krakow, Poland
[2] Lotewski Panstwowy Inst Chem Drewna, Ryga, Latvia
来源：
PRZEMYSL CHEMICZNY | 2014年 / 93卷 / 12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：
Polymeric diphenylmethane-4,4'-diisocyanate and rapeseed oil-derived bio-polyols were used for prepn. of rigid polyurethane-polyisocyanurate foams with isocyanate index 150-250 in presence of a catalyst, blowing, surface-active and flame-retarding agents. The thermal stability of the foams increased while their flammability decreased with the increasing isocyanate index. Use of the bio-polyols resulted in increasing the 02 index up to above 21%.
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收藏
页码：2248 / 2252
页数：5
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