Please use this identifier to cite or link to this item:
https://hdl.handle.net/11499/39209
Title: | Experimental investigations of thermal conductivity, thermal degradation and fire resistance of rigid polyurethane foams filled with nano calcite and intumescent flame retardant | Authors: | Aydogan, B Usta, Nazım |
Keywords: | Rigid polyurethane foam; nanocalcite; intumescent flame retardant; thermal conductivity; thermal degradation; fire resistance |
Publisher: | TURKISH SOC THERMAL SCIENCES TECHNOLOGY | Abstract: | In this study, nanocalcite and intumescent flame retardant material composed of ammonium polyphosphate and pentaerythritol were filled in rigid polyurethane foams up to 15 % in mass. Effects of the nanocalcite and the intumescent flame retardant additions on the thermal conductivity, thermal degradation and the fire resistance of rigid polyurethane foams with UL 94 horizontal burning test were investigated. Also, the changes of thermal conductivity coefficients of the foams were examined during fifty five days after the production. It was found that although the nanocalcite addition enhances the thermal stability and the thermal conductivity of the foam, it results in decreasing the fire resistance of the rigid foams. However, if the nanocalcite is incorporated with the intumescent flame retardant into the foam, the fire resistance of the foams is enhanced without any significant problems in the thermal degradation and the thermal conductivity. The thermal conductivities of the foams with and without nanocalcite / the intumescent flame retardant increase with time. | URI: | https://hdl.handle.net/11499/39209 | ISSN: | 1300-3615 |
Appears in Collections: | Mühendislik Fakültesi Koleksiyonu TR Dizin İndeksli Yayınlar Koleksiyonu / TR Dizin Indexed Publications Collection WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection |
Files in This Item:
File | Size | Format | |
---|---|---|---|
6066c25c-7170-4271-9396-65726881ea34.pdf | 469.7 kB | Adobe PDF | View/Open |
CORE Recommender
WEB OF SCIENCETM
Citations
5
checked on Oct 22, 2024
Page view(s)
60
checked on Aug 24, 2024
Download(s)
108
checked on Aug 24, 2024
Google ScholarTM
Check
Items in GCRIS Repository are protected by copyright, with all rights reserved, unless otherwise indicated.