Modifications of the rigid polyurethane - Polyisocyanurate foams

被引：0
|
作者：
Czupryński, Boguslaw [1 ]
Paciorek-Sadowska, Joanna [1 ]
Liszkowska, Joanna [1 ]
机构：
[1] Casimir the Great Academy of Bydgoszcz, Chodkiewicza str. 30, 85-064 Bydgoszcz, Poland
来源：
Journal of Applied Polymer Science | 2006年 / 100卷 / 03期
关键词：
The method of boroorganic compounds preparation by esterification of boric acid and glycols has been presented. The obtained compounds tri(2-hydroxybutyl) borate; tri(hydroxythiodiethylene)borate; tri[(3-chloro-2-hydroxy-1-propoxy)-1-; methylpropyl]borate; and tri[3-chloro-2-hydroxy-l-propoxy)thiodiethyl]borate were used to produce the rigid polyurethane-polyisocyanurate (PUR-PIR) foams. The foams were prepared by one-stage method and the amount of borates added varied; within the range from 0.0 to 0.4 of chemical equivalent. The method of preparation; determination of foaming parameters; and methods of testing of the physicochemical properties of PUR-PIR foams as well as their results have been presented. A special emphasiswas put on reduction of the foam flammability. It was found that application of the obtained compounds as polyolic components has a favorable effect on the properties of the produced rigid PUR-PIR foams. The obtained rigid PUR-PIR foams were characterized by a higher compressive strength; lower brittleness; considerably reduced flammability; and higher content of the closed cells. © 2006 Wiley Periodicals; Inc;
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Journal article (JA)
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页码：2020 / 2029
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