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Thermal stability of aqueous polyurethanes depending on the applied catalysts

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2006
1349.pdf (156.5Kb)
Authors
Cakić, Suzana
Nikolić, Goran
Lačnjevac, Časlav
Gligorić, Miladin
Stamenković, Jakov
Rajković, Miloš
Barać, Miroljub
Article (Published version)
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Abstract
The thermal stability of aqueous polyurethanes has been measured applying the thermogravimetric analysis. The aqueous polyurethanes (aqPUR) with catalysts of different selectivity have been studied by use of the dynamic method. To obtain degradations of 0.025, 0.05, and 0.10, employing the dynamic method, the heating rates of 0.5, 1, 2, 5, and 10 degrees C min(-1) have been used in the range of 30-500 degrees C. Using the more selective catalysts in the aqueous polyurethanes, the total resulting time of the decompositon has been on the increase at all degrees of the degradation and at the particular starting temperature. This paper shows that the dynamic method based on the thermogravimetric analysis can be used to assess the thermal stability of the aqueous polyurethanes using the catalysts of different selectivity.
Keywords:
aqueous polyurethanes / catalysts / thermal degradation / thermogravimetric analysis
Source:
Sensors, 2006, 6, 11, 1697-1707
Publisher:
  • MDPI, BASEL
Funding / projects:
  • Nove metode i tehnike za separaciju i specijaciju hemijskih elemenata u tragovima, organskih supstanci i radionuklida i identifikaciju njihovih izvora (RS-142039)

DOI: 10.3390/s6111697

ISSN: 1424-8220

WoS: 000244633800014

Scopus: 2-s2.0-33947420159
[ Google Scholar ]
URI
http://aspace.agrif.bg.ac.rs/handle/123456789/1352
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  • Radovi istraživača / Researchers’ publications
Institution/Community
Poljoprivredni fakultet

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