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  • 1 Institute of Heavy Organic Synthesis ‘Blachownia’ Kędzierzyn-Koźle Poland 47-225 ul. Energetyków 9 Kędzierzyn-Koźle Poland 47-225 ul. Energetyków 9
  • | 2 Cracow University of Technology 2Department of Chemistry and Technology of Polymers Kraków Poland 31-155 ul.Warszawska 24 Kraków Poland 31-155 ul.Warszawska 24
  • | 3 Cracow University of Technology Institute of Inorganic Chemistry and Technology Kraków Poland 31-155 ul.Warszawska 24 Kraków Poland 31-155 ul.Warszawska 24
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Abstract  

Thermal behaviour of NaH2PO4/NaHSO4 flame retardant system for polyurethane (PU) rigid foams was investigated by simultaneous TG/DTA under dynamic conditions. It has been found that the most probable mode of action of 5:3 (mass/mass) NaH2PO4/NaHSO4 system, which proved to be most efficient in PU flame retardation (in comparison with other NaH2PO4/NaHSO4 compositions), is based on formation of char-promoting phosphoric acids and on thermal stabilisation of PU macrochains by an excess of sodium dihydrogenphosphate.

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Journal of Thermal Analysis and Calorimetry
Language English
Size A4
Year of
Foundation
1969
Volumes
per Year
1
Issues
per Year
24
Founder Akadémiai Kiadó
Founder's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher
Chief Executive Officer, Akadémiai Kiadó
ISSN 1388-6150 (Print)
ISSN 1588-2926 (Online)

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