Właściwości termoizolacyjne sztywnych pianek poliuretanowych syntetyzowanych z udziałem polioli z olejów roślinnych

A. Prociak

Published : 2022-08-24

Vol. 53 No. 3 (2008)

Heat-insulating properties of rigid polyurethane foams synthesized with use of vegetable oils - based polyols

A. Prociak

Abstract

The vegetable oil (rapeseed, soybean, sunflower or linseed one) - based polyols prepared on a laboratory scale (Table 1) were used to modify the compositions of petrochemical polyurethane systems (Table 2). Rigid polyurethane foams based on them were prepared in two molds differing in the direction of free foaming of reaction mixture. Apparent density of the foams and thermal conductivity (l) values were determined as well as the analyses of the cell structures (Table 3 and 4, Fig. 1 and 2). Factor ? was measured at average temperatures in the range 0-50°C (Fig. 3). It has been found that modification of petrochemical polyurethane system with hydroxyl derivatives of vegetable oils in amounts up to 30% let obtain the foams showing better heat-insulating properties in the investigated temperature range.

Keywords

poliole z olejów roślinnych ; sztywne pianki poliuretanowe ; struktura komórkowa ; przewodnictwo cieplne vegetable oil-based polyols ; rigid polyurethane foams ; cell structure ; thermal conductivity

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Prociak, A. (2022). Heat-insulating properties of rigid polyurethane foams synthesized with use of vegetable oils - based polyols. Polimery, 53(3), 195–200. Retrieved from https://polimery.ichp.vot.pl/index.php/p/article/view/1301

References

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Remove 1. Błędzki A., Faruk O., Kirschling H., Kühn J., Jaszkiewicz A.: Polimery 2006, 51, 697.

2. Randall D., Lee S.: “The Polyurethanes Book”, J. Wiley & Sons Ltd., 2002.

3. Prociak A.: “Modern Polymeric Materials for Environmental Applications”, Proceedings of 2nd International Seminar, Kraków 2006, mat. konf. str. 219.

4. Prociak A., Figura M.: Polimery 2003, 48, 565.

5. Zipfel L., Boerner K.: The Fifth International Conference “Blowing Agents and Foaming Processes 2003” Munich 2003, mat. konf. str. 47.

6. Dębski K., Magiera J.: J. Polym. Eng. 2002, 22, 137.

7. Placido E., Arduini-Schuster M. C., Kuhn J.: Infrared Phys. Technol. 2005, 46, 219.

8. Biedermann A., Kudoke C., Merten A., Minogue E., Rotermund U., Ebert H.-P., Heinemann U., Fricke J., Steifert H.: J. Cell. Plas. 2001, 37, 467.

9. Veenedaal B.: Polyurethanes Mag. Intern. 2006, 5, 308.

10. Prociak A.: UTECH 2006 Conference Papers CD-ROM, Maastricht 2006.

11. Hong Hu Y., Gao Y., Wang D. N., Hu C. P., Zu S., Vanoverloop L., Randall D.: J. Appl. Polym. Sci. 2002, 84, 591.

12. Badri K. H., Ahmad S. H., Zakaria S.: J. Appl. Polym. Sci. 2001, 81, 384.

13. Pielichowski J., Marek M., Prociak A.: Polimery 2005, 10, 723.

14. Kozlowski R., Pielichowski J., Prociak A., Marek M., Bujnowicz K.: w pracy zbiorowej “Textiles for Sustainable Development” (red. Anandjiwala R., Hunter L., Mandela N., Kozlowski R., Zaikov G.) Nova Publishers 2007, rozdz. 35, str. 397--403.

15. Zlatanic A., Lava C., Zhang W, Petrovic Z.: J. Polym. Sci., Part B: Polym. Phys. 2004, 42, 809.

16. Guo A., Zhang W., Petrovic Z. S.: J. Mat. Sci. 2006, 41, 4914.

17. Prociak A.: Polyurethanes Mag. Intern. 2007, 4, 218.

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