The effect of modified bentonites on the thixotropic properties of coating materials and their resistance against mold fungi settlement

M. Oleksy; K. Lecka-Szlachta; M. Heneczkowski; H. Galina

Published : 2013-08-30

Vol. 58 No. 7-8 (2013)

The effect of modified bentonites on the thixotropic properties of coating materials and their resistance against mold fungi settlement

M. Oleksy K. Lecka-Szlachta M. Heneczkowski H. Galina

Abstract

Biostatic and thixotropic properties of bentonites modified with quaternary ammonium salts (QAS) in a waterborne paint and acrylic lacquer are presented. The fungistatic properties were tested for two commercially available bentonites modified with QAS. The bentonites were added to emulsion acrylic paint and acrylic lacquer in the amount of 2 or 4 wt. %. The resulting compositions were put on gypsum plaster disks and treated with Aspergillus niger and Penicillium chrysogenum, the molds frequently met in human environments. Microbiological tests were performed using procedures consistent with Polish Standards with modifications which stemmed from the materials used. The presence of bentonites modified with QAS substantially improved the resistance of coatings against microorganism colonization. Thixotropic properties of paint compositions containing modified bentonites were also found improved.

Keywords

farba akrylowa ; lakier akrylowy ; bentonity ; czwartorzędowe sole amoniowe ; Aspergillus niger ; Penicillium chrysogenum ; aktywność grzybobójcza emulsion acrylic paint ; acrylic lacquer ; bentonites ; quaternary ammonium salts ; Aspergillus niger ; Penicillium chrysogenum ; antifungal activity

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Oleksy, M., Lecka-Szlachta, K., Heneczkowski, M., & Galina, H. (2013). The effect of modified bentonites on the thixotropic properties of coating materials and their resistance against mold fungi settlement. Polimery, 58(7-8), 562-568. Retrieved from https://ichp.vot.pl/index.php/p/article/view/764

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Remove 1. Spychaj T., Spychaj S.: „Paints and Waterborne Adhesives” (in Polish), WNT, Warsaw 1996.

2. Santiago F., Mucientes A. E., Osorio M., Rivera C.: Eur. Polym. J. 2007, 43, 1.

3. Gobbert Ch., Schichtel M., Nonninger R.: Farbe Lack 2002, 108, 20.

4. Shirakawa M. A., John V. M., Gaylarde C. C., Gaylarde P., Gambale W.: Mater. Struct./Materiaux et Constructions 2004, 37, 472.

5. Emtiazi G., Nahvi I., Salehbaig M.: Res. Bull. Isfahan Univ. 1999, 1, 15.

6. Emtiazi G.: Poll. Res. 2000, 19, 31.

7. Emtiazi G., Naghavi N., Bordbar A.: Biodegradation 2001, 12, 259.

8. Marini M., Boni M., Iseppi R, Toselli M., Pilati F.: Eur. Polym. J. 2007, 43, 3621.

9. Ranalli G., Zanardini E., Sorlini C.: „Encyclopedia of Microbiology”, Elsevier, Oxford 2009, pp. 191—205.

10. Nohr R. S, MacDonald G. J.: J. Biomater. Sci. Polym. Ed. 1994, 5, 607.

11. Lin J., Murthy S. K., Olsen B. D., Gleason K. K., Klibanov A. M.: Biotechnol. Lett. 2003, 25, 1661.

12. Lin J., Qiu S., Lewis K., Klibanov A. M.: Biotechnol. Bioeng. 2003, 83, 168.

13. Jafra S., £ojkowska E.: Biotechnologia 1999, 2(45), 94.

14. Pat. PL 1 934 473 B1 (2007).

15. Pat. WO 2 006 041 251 (2006).

16. Pat. US 6 468 521 (2002).

17. Pat. WO 206 026 026 (2006).

18. Pat. Jap. 60 202 162 (1985).

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21. Pat. Chin. 1 616 559 (2005).

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24. Ślusarczyk A., Piotrkowska M.: Polimery 2008, 53, 743.

25. Xie Y., Krause A., Militz H., Mai C.: Prog. Org. Coat. 2006, 57, 291.

26. Tezel U., Pierson J. A., Pavlostathis S. G.:Water Res. 2006, 40, 3660.

27. Oleksy M., Galina H.: Polimery 1999, 44, 430.

28. Galina H., Oleksy M.: „Quaternary ammonium salts and their applications” (in Polish), Wyd. Inst.Techn. Drewna, Poznań 2001, pp. 133—146.

29. Oleksy M., Heneczkowski M.: Polimery 2005, 50, 143.

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33. Pat. PL 178 900 (2000).

34. Obłak E., Gamian A.: Postepy Hig. Med. Dosw. 2010, 64, 201.

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M. Oleksy molek@prz.edu.pl

Affiliation
Rzeszow University of Technology Faculty of Chemistry, ul. W. Pola 2, 35-959 Rzeszów, Poland

K. Lecka-Szlachta

Affiliation
Rzeszow University of Technology Faculty of Chemistry, ul. W. Pola 2, 35-959 Rzeszów, Poland

M. Heneczkowski

Affiliation
Rzeszow University of Technology Faculty of Chemistry, ul. W. Pola 2, 35-959 Rzeszów, Poland

H. Galina

Affiliation
Rzeszow University of Technology Faculty of Chemistry, ul. W. Pola 2, 35-959 Rzeszów, Poland