Studies on utilization of wheat slops for production of rigid polyurethane-polyisocyanurate foam

J. Paciorek-Sadowska; B. Czupryński; J. Liszkowska

Published : 2022-08-26

Vol. 52 No. 6 (2007)

Studies on utilization of wheat slops for production of rigid polyurethane-polyisocyanurate foam

J. Paciorek-Sadowska B. Czupryński J. Liszkowska

Abstract

Solid parts of the wheat slops were applied as a filler (5-30 wt. % in relation to the sum of polyisocyanate and polyether polyol masses) in polyurethane-polyisocyjanurate (PUR-PIR) composition. Six foams containing different amounts of slops were prepared and then, their physical and mechanical properties i.e. apparent density, compressive strength, brittleness, combustion residue, stability of linear dimensions, change of volume, weight loss (48h, temp. 120°C), softening point, content of the closed cells and absorbability of water were determined. Moreover, the foams were subjected to thermogravimetric and infrared (IR) analyses. The results proved that waste wheat slops can be useful as a filler for preparation of rigid PUR-PIR foams.

Keywords

sztywne pianki poliuretanowo-poliizocyjanurowe ; wywar pszenny ; napełniacze ; właściwości fizyczne ; właściwości mechaniczne ; właściwości termiczne rigid polyurethane-polyisocyanurate foams ; wheat slops ; fillers ; physical properties ; mechanical properties ; thermal properties

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Paciorek-Sadowska, J., Czupryński, B., & Liszkowska, J. (2022). Studies on utilization of wheat slops for production of rigid polyurethane-polyisocyanurate foam. Polimery, 52(6), 461–464. Retrieved from https://ichp.vot.pl/index.php/p/article/view/1440

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J. Paciorek-Sadowska sadowska@ukw.edu.pl

Affiliation
Kazimierz Wielki University in Bydgoszcz, Chair of Chemistry and Technology of Polyurethanes, ul. Chodkiewicza 30, 85-064 Bydgoszcz, Poland,

B. Czupryński

J. Liszkowska