Preparation and properties of a polyvinyl alcohol toughened urea-formaldehyde foam for thermal insulation applications

•PVA has a significant effect on improving the toughness of UF foam.•Cell shape was seen to be elongated in the rise direction with the addition of PVA.•Release of HCNO, CO2, NH3 was detected in the gaseous product of PVA modified UF foam during pyrolysis. Urea-formaldehyde (UF) foam exhibits excell...

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Veröffentlicht in:	Construction & building materials 2016-09, Vol.120, p.104-111
Hauptverfasser:	Shen, Yunwen, Gu, Jiyou, Tan, Haiyan, Lv, Shanshan, Zhang, Yanhua
Format:	Artikel
Sprache:	eng
Schlagworte:	Analysis Building materials Chemical properties Formaldehyde Mechanical properties Pulverization rate PVA Pyrolysis Thermal insulation Thermal properties Thermal stability UF foam
Online-Zugang:	Volltext
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