Effect and mechanism of nanosize copper oxide on some physical and mechanical properties of flakeboards

The effects of nanosize copper oxide and basic copper carbonate on the physical and mechanical properties of flakeboards were investigated according to ASTM Standard D-1037, and the curing process of phenol formaldehyde (PF) resin containing copper compounds was further investigated using dynamic di...

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Autores principales:	Gao,Wei, Cao,Jinzhen, Kamdem,D. Pascal
Lenguaje:	English
Publicado:	Universidad del Bío-Bío 2011
Materias:	nanosize copper oxide basic copper carbonate flakeboard physical and mechanical properties differential scanning calorimetry
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-221X2011000200008
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spelling	oai:scielo:S0718-221X20110002000082011-08-24Effect and mechanism of nanosize copper oxide on some physical and mechanical properties of flakeboardsGao,WeiCao,JinzhenKamdem,D. Pascal nanosize copper oxide basic copper carbonate flakeboard physical and mechanical properties differential scanning calorimetry The effects of nanosize copper oxide and basic copper carbonate on the physical and mechanical properties of flakeboards were investigated according to ASTM Standard D-1037, and the curing process of phenol formaldehyde (PF) resin containing copper compounds was further investigated using dynamic differential scanning calorimetry (DSC). The results showed that nanosize copper oxide had no or slightly beneficial effects on the mechanical properties and dimensional stability of the flakeboards. While basic copper carbonate increased thickness swelling and water absorption to some extent, the difference was not statistically significant. The DSC results indicated that the comparable activation energy and reaction enthalpy, obtained from nanosize copper oxide treated samples, contributed to the higher degree of conversion of PF resin and undiminished bonding strength of flakeboards, which is probably related to the acceleration of the addition reactions taking place among small molecules in PF resin and the enhancement of heat transfer of composite mat caused by nanosize copper oxide.info:eu-repo/semantics/openAccessUniversidad del Bío-BíoMaderas. Ciencia y tecnología v.13 n.2 20112011-01-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-221X2011000200008en10.4067/S0718-221X2011000200008
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	nanosize copper oxide basic copper carbonate flakeboard physical and mechanical properties differential scanning calorimetry
spellingShingle	nanosize copper oxide basic copper carbonate flakeboard physical and mechanical properties differential scanning calorimetry Gao,Wei Cao,Jinzhen Kamdem,D. Pascal Effect and mechanism of nanosize copper oxide on some physical and mechanical properties of flakeboards
description	The effects of nanosize copper oxide and basic copper carbonate on the physical and mechanical properties of flakeboards were investigated according to ASTM Standard D-1037, and the curing process of phenol formaldehyde (PF) resin containing copper compounds was further investigated using dynamic differential scanning calorimetry (DSC). The results showed that nanosize copper oxide had no or slightly beneficial effects on the mechanical properties and dimensional stability of the flakeboards. While basic copper carbonate increased thickness swelling and water absorption to some extent, the difference was not statistically significant. The DSC results indicated that the comparable activation energy and reaction enthalpy, obtained from nanosize copper oxide treated samples, contributed to the higher degree of conversion of PF resin and undiminished bonding strength of flakeboards, which is probably related to the acceleration of the addition reactions taking place among small molecules in PF resin and the enhancement of heat transfer of composite mat caused by nanosize copper oxide.
author	Gao,Wei Cao,Jinzhen Kamdem,D. Pascal
author_facet	Gao,Wei Cao,Jinzhen Kamdem,D. Pascal
author_sort	Gao,Wei
title	Effect and mechanism of nanosize copper oxide on some physical and mechanical properties of flakeboards
title_short	Effect and mechanism of nanosize copper oxide on some physical and mechanical properties of flakeboards
title_full	Effect and mechanism of nanosize copper oxide on some physical and mechanical properties of flakeboards
title_fullStr	Effect and mechanism of nanosize copper oxide on some physical and mechanical properties of flakeboards
title_full_unstemmed	Effect and mechanism of nanosize copper oxide on some physical and mechanical properties of flakeboards
title_sort	effect and mechanism of nanosize copper oxide on some physical and mechanical properties of flakeboards
publisher	Universidad del Bío-Bío
publishDate	2011
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-221X2011000200008
work_keys_str_mv	AT gaowei effectandmechanismofnanosizecopperoxideonsomephysicalandmechanicalpropertiesofflakeboards AT caojinzhen effectandmechanismofnanosizecopperoxideonsomephysicalandmechanicalpropertiesofflakeboards AT kamdemdpascal effectandmechanismofnanosizecopperoxideonsomephysicalandmechanicalpropertiesofflakeboards
_version_	1714202553591267328

Effect and mechanism of nanosize copper oxide on some physical and mechanical properties of flakeboards

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