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Surface Properties of Suberin

descriptionPublicationkeyboard_double_arrow_right Article 01 Mar 1997 Portugal English Publisher:Elsevier BVJournal:Journal of Colloid and Interface Science, volume 187, pages 498-508 (issn: 0021-9797,

Authors: Cordeiro, Nereida; Aurenty, Patrice; Belgacem, Mohamed Naceur; Gandini, Alessandro; Neto, Carlos Pascoal;

doi: 10.1006/jcis.1996.4735

pmid: 9073426

handle: 10400.13/3373

Surface Properties of Suberin

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Abstract

The surface energy of suberin was determined by four different methods, namely, (i) contact angle measurements, (ii) Wilhelmy plate measurements, (iii) maximum bubble pressure, and (iv) inverse gas chromatography (IGC). The first three methods gave a gammasub value in the range 40-50 mN m-1 at room temperature. The major component of this value reflects the dispersive contribution. The IGC measurements showed a higher dispersive term, which is common with this method of characterization. The surface acid (A)/base (B) properties were also evaluated, and the results indicated that suberin has an acidic character.

Country

Portugal

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Keywords

Inverse gas chromatography, Faculdade de Ciências Exatas e da Engenharia, Surface energy, Suberin, ., Contact angle, Wilhelmy plate, Maximum bubble pressure

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