Studies on effect of coat thickness on the moisture uptake by a hardwood substrate

The moisture sorption behaviour of three coating thicknesses of shellac and polyurethane films on Dalbergia sissoo substrate is studied in this paper. The thin films of either coat failed to reduce the water vapour transmission significantly. However, the thick coats were able to reduce this rate il...

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Auteurs principaux:	Gupta,Sachin, John,Asieleavio, Kumar,V.S. Kishan
Langue:	English
Publié:	Universidad del Bío-Bío 2016
Sujets:	Dalbergia sissoo coating thickness moisture sorption MEE polyurethane shellac water vapour transmission
Accès en ligne:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-221X2016000300005
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spelling	oai:scielo:S0718-221X20160003000052016-08-04Studies on effect of coat thickness on the moisture uptake by a hardwood substrateGupta,SachinJohn,AsieleavioKumar,V.S. Kishan Dalbergia sissoo coating thickness moisture sorption MEE polyurethane shellac water vapour transmission The moisture sorption behaviour of three coating thicknesses of shellac and polyurethane films on Dalbergia sissoo substrate is studied in this paper. The thin films of either coat failed to reduce the water vapour transmission significantly. However, the thick coats were able to reduce this rate illustrating the importance film thickness of coating used on surfaces of wood products. The increment in Moisture Content over the conditioned MC showed a clear film thickness effect in the case of PU with the increments reducing with increasing thickness. The Moisture Exclusion Effectiveness of PU coating showed better values than shellac coating with both the finishes showing a thickness effect. More importantly, the study illustrated the effect of coating thickness even when the differences are small.info:eu-repo/semantics/openAccessUniversidad del Bío-BíoMaderas. Ciencia y tecnología v.18 n.3 20162016-07-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-221X2016000300005en10.4067/S0718-221X2016005000040
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	Dalbergia sissoo coating thickness moisture sorption MEE polyurethane shellac water vapour transmission
spellingShingle	Dalbergia sissoo coating thickness moisture sorption MEE polyurethane shellac water vapour transmission Gupta,Sachin John,Asieleavio Kumar,V.S. Kishan Studies on effect of coat thickness on the moisture uptake by a hardwood substrate
description	The moisture sorption behaviour of three coating thicknesses of shellac and polyurethane films on Dalbergia sissoo substrate is studied in this paper. The thin films of either coat failed to reduce the water vapour transmission significantly. However, the thick coats were able to reduce this rate illustrating the importance film thickness of coating used on surfaces of wood products. The increment in Moisture Content over the conditioned MC showed a clear film thickness effect in the case of PU with the increments reducing with increasing thickness. The Moisture Exclusion Effectiveness of PU coating showed better values than shellac coating with both the finishes showing a thickness effect. More importantly, the study illustrated the effect of coating thickness even when the differences are small.
author	Gupta,Sachin John,Asieleavio Kumar,V.S. Kishan
author_facet	Gupta,Sachin John,Asieleavio Kumar,V.S. Kishan
author_sort	Gupta,Sachin
title	Studies on effect of coat thickness on the moisture uptake by a hardwood substrate
title_short	Studies on effect of coat thickness on the moisture uptake by a hardwood substrate
title_full	Studies on effect of coat thickness on the moisture uptake by a hardwood substrate
title_fullStr	Studies on effect of coat thickness on the moisture uptake by a hardwood substrate
title_full_unstemmed	Studies on effect of coat thickness on the moisture uptake by a hardwood substrate
title_sort	studies on effect of coat thickness on the moisture uptake by a hardwood substrate
publisher	Universidad del Bío-Bío
publishDate	2016
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-221X2016000300005
work_keys_str_mv	AT guptasachin studiesoneffectofcoatthicknessonthemoistureuptakebyahardwoodsubstrate AT johnasieleavio studiesoneffectofcoatthicknessonthemoistureuptakebyahardwoodsubstrate AT kumarvskishan studiesoneffectofcoatthicknessonthemoistureuptakebyahardwoodsubstrate
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Studies on effect of coat thickness on the moisture uptake by a hardwood substrate

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