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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Autores principales: Gupta,Sachin, John,Asieleavio, Kumar,V.S. Kishan
Lenguaje:English
Publicado: Universidad del Bío-Bío 2016
Materias:
MEE
Acceso en línea: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
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AT johnasieleavio studiesoneffectofcoatthicknessonthemoistureuptakebyahardwoodsubstrate
AT kumarvskishan studiesoneffectofcoatthicknessonthemoistureuptakebyahardwoodsubstrate
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