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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学科分类号：

摘要：

Journal article (JA)

引用

页码：2020 / 2029

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