Swelling characteristics of conventional and organic preservative-treated porous tropical utility hardwood [ceiba pentandra (l.) gaertn.]

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dc.contributor.authorAntwi-Boasiako, C.
dc.contributor.authorBoadu, Kwadwo Boakye
dc.date.accessioned2018-06-06T16:55:08Z
dc.date.accessioned2023-04-19T00:40:05Z
dc.date.available2018-06-06T16:55:08Z
dc.date.available2023-04-19T00:40:05Z
dc.date.issued2013
dc.descriptionArticle published in the Special Topics & Reviews in Porous Media — An International Journal, 2013en_US
dc.description.abstractOverexploitation of endangered timbers necessitates utilization of chemically treated nondurable species. Ceiba pentandra is porous, dimensionally stable in dry service conditions, and has regular export of treated products. Swelling characteristics of treated woods are hardly studied. This work provides a scientific bridge to this gap. Influence of Maneb/Lambda mixture and Erythrophleum suaveolens bark extract on the swelling of C. pentandra was investigated by water immersion for 24 h. Directional swelling was greatest tangentially (1.4–2.5 times greater than radial swelling) and least along longitudinal directions (90–360 times less than tangential surfaces) depending on solvent type. Untreated stakes soaked in the three solvents swelled more than treated stakes in water. Tangential swelling was greater for untreated stakes in E. suaveolens (9.20 § 0.02%) and Maneb/Lambda (9.32 § 0.02%) than in water (8.10 § 0.01%); the contrary occurred for longitudinal and radial swellings. Maneb/Lambda-treated stakes swelled more tangentially in water (7.36 § 0.13%) but less at radial directions (2.89 § 0.01%) than those treated with E. suaveolens (7.10 § 0.00% and 3.28 § 0.02%, respectively). Volumetric swelling was greater for untreated stakes in all solvents (12.66 § 0.60% in water/14.74 § 0.66% in Maneb/Lambda) than for Maneb/Lambda- and E. suaveolens-treated stakes in water (10.51 § 0.14% and 10.62 § 0.02% respectively). Thus, preservative-chemicals would protect nondurable timbers against biodeterioration with the added advantage of reducing moisture-absorption capacity of engineered products in service conditions.en_US
dc.description.sponsorshipKNUSTen_US
dc.identifier.citationSpecial Topics & Reviews in Porous Media — An International Journal, 4 (2): 137–145 (2013)en_US
dc.identifier.urihttps://ir.knust.edu.gh/handle/123456789/11300
dc.language.isoenen_US
dc.publisherSpecial Topics & Reviews in Porous Media — An International Journalen_US
dc.subjectdimensional stabilityen_US
dc.subjectManeb/Lambda mixtureen_US
dc.subjectmoisture contenten_US
dc.subjectorganic preservativeen_US
dc.subjectporous mediumen_US
dc.subjectshrinkageen_US
dc.subjectdimensional stability, Maneb/Lambda mixture, moisture content, organic preservativolumetric swellingen_US
dc.titleSwelling characteristics of conventional and organic preservative-treated porous tropical utility hardwood [ceiba pentandra (l.) gaertn.]en_US
dc.typeArticleen_US
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