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Thermo-mechanical properties of rigid polyurethane foams with cement addition

Thumbnail
2016
2_Pavlovic_24th_Congress_Ohrid.pdf (1.914Mb)
Authors
Ristić, Ivan
Mićić, Vladan
Cakić, Suzana
Radičević, Radmila
Aleksić, Vojislav
Miletić, Aleksandra
Pavlović, Stefan
Conference object (Published version)
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Abstract
The parameters of foam preparation, such as addition of fillers, have a significant effect on the properties of polyurethane foams. The goal of this work was to study the effect of the cement addition on the thermo-mechanical properties of rigid polyurethane foams. Isocyanate component was based on polymeric diphenylmethane diisocyanate, and polyol component was polyether type, with addition of castor oil as polyol. It was estimated that the addition of cement increased the values of foam compressive strength and permanent deformation. Compressive strength increased even more than 90% with 20 wt% of cement. Further increase of the cement loading deteriorates the mechanical properties of foamed material because it distorts cellular structures of obtained materials. Addition of cement increased the value of the glass transition temperature of polyurethane foam. The highest increase in the value of glass transition temperature, for 7.5ºC, was achieved by the addition of 20 wt% of cement.
Keywords:
polyurethane foams / polymer reinforcement / thermal properties
Source:
Book of abstracts - XXIV Congress of Chemists and Technologists of Macedonia, Ohrid, 2016, 287-
Publisher:
  • Society of Chemists and Technologists of Macedonia
[ Google Scholar ]
Handle
https://hdl.handle.net/21.15107/rcub_cer_3869
URI
https://cer.ihtm.bg.ac.rs/handle/123456789/3869
Collections
  • Radovi istraživača pre dolaska u IHTM / Researchers' papers before joining ICTM
Institution/Community
IHTM
TY  - CONF
AU  - Ristić, Ivan
AU  - Mićić, Vladan
AU  - Cakić, Suzana
AU  - Radičević, Radmila
AU  - Aleksić, Vojislav
AU  - Miletić, Aleksandra
AU  - Pavlović, Stefan
PY  - 2016
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/3869
AB  - The parameters of foam preparation, such as addition of fillers, have a significant effect on the properties of polyurethane foams. The goal of this work was to study the effect of the cement addition on the thermo-mechanical properties of rigid polyurethane foams. Isocyanate component was based on polymeric diphenylmethane diisocyanate, and polyol component was polyether type, with addition of castor oil as polyol. It was estimated that the addition of cement increased the values of foam compressive strength and permanent deformation. Compressive strength increased even more than 90% with 20 wt% of cement. Further increase of the cement loading deteriorates the mechanical properties of foamed material because it distorts cellular structures of obtained materials. Addition of cement increased the value of the glass transition temperature of polyurethane foam. The highest increase in the value of glass transition temperature, for 7.5ºC, was achieved by the addition of 20 wt% of cement.
PB  - Society of Chemists and Technologists of Macedonia
C3  - Book of abstracts - XXIV Congress of Chemists and Technologists of Macedonia, Ohrid
T1  - Thermo-mechanical properties of rigid polyurethane foams with cement addition
SP  - 287
UR  - https://hdl.handle.net/21.15107/rcub_cer_3869
ER  - 
@conference{
author = "Ristić, Ivan and Mićić, Vladan and Cakić, Suzana and Radičević, Radmila and Aleksić, Vojislav and Miletić, Aleksandra and Pavlović, Stefan",
year = "2016",
abstract = "The parameters of foam preparation, such as addition of fillers, have a significant effect on the properties of polyurethane foams. The goal of this work was to study the effect of the cement addition on the thermo-mechanical properties of rigid polyurethane foams. Isocyanate component was based on polymeric diphenylmethane diisocyanate, and polyol component was polyether type, with addition of castor oil as polyol. It was estimated that the addition of cement increased the values of foam compressive strength and permanent deformation. Compressive strength increased even more than 90% with 20 wt% of cement. Further increase of the cement loading deteriorates the mechanical properties of foamed material because it distorts cellular structures of obtained materials. Addition of cement increased the value of the glass transition temperature of polyurethane foam. The highest increase in the value of glass transition temperature, for 7.5ºC, was achieved by the addition of 20 wt% of cement.",
publisher = "Society of Chemists and Technologists of Macedonia",
journal = "Book of abstracts - XXIV Congress of Chemists and Technologists of Macedonia, Ohrid",
title = "Thermo-mechanical properties of rigid polyurethane foams with cement addition",
pages = "287",
url = "https://hdl.handle.net/21.15107/rcub_cer_3869"
}
Ristić, I., Mićić, V., Cakić, S., Radičević, R., Aleksić, V., Miletić, A.,& Pavlović, S.. (2016). Thermo-mechanical properties of rigid polyurethane foams with cement addition. in Book of abstracts - XXIV Congress of Chemists and Technologists of Macedonia, Ohrid
Society of Chemists and Technologists of Macedonia., 287.
https://hdl.handle.net/21.15107/rcub_cer_3869
Ristić I, Mićić V, Cakić S, Radičević R, Aleksić V, Miletić A, Pavlović S. Thermo-mechanical properties of rigid polyurethane foams with cement addition. in Book of abstracts - XXIV Congress of Chemists and Technologists of Macedonia, Ohrid. 2016;:287.
https://hdl.handle.net/21.15107/rcub_cer_3869 .
Ristić, Ivan, Mićić, Vladan, Cakić, Suzana, Radičević, Radmila, Aleksić, Vojislav, Miletić, Aleksandra, Pavlović, Stefan, "Thermo-mechanical properties of rigid polyurethane foams with cement addition" in Book of abstracts - XXIV Congress of Chemists and Technologists of Macedonia, Ohrid (2016):287,
https://hdl.handle.net/21.15107/rcub_cer_3869 .

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