The purpose of the study was to determine the effectiveness of Polyisobutylene (PIB) as a potential hydrophobic agent for protection of cellulosic materials. The tests were performed with the use of cellulose (Whatman paper No 3). The samples in the form of species with dimensions of 40 x 40 mm were used in the study. The examined coatings were solvent- based formulations consisting of PIB. There were used three concentrations of PIB: 1, 3 and 5% (v/v). Whatman’s paper samples were treated by soaking method for 1 minute. The absorption of impregnating solutions were ranged between 80-120 g/m2. The determination of hygroscopicity was performed by measuring of the changes of paper samples’ mass, while the samples were stored above the water. The water absorption was determined by measurement of changes of paper samples’ mass while the samples were immersed in water. In both cases, the mass changes were recorded after 1, 2, 4, 8, 24, 48, 72, 120 and 192 h.
Keywords: polyisobutylene (PIB), cellulosic materials, hydrophobic agent
Authors
Perdoch W.
Institute of Wood Chemical Technology, Faculty of Wood Technology, Poznań University of Life Sciences, Poznan
Mazela B.
Institute of Wood Chemical Technology, Faculty of Wood Technology, Poznań University of Life Sciences, Poznan
Broda M.
Institute of Wood Chemical Technology, Faculty of Wood Technology, Poznań University of Life Sciences, Poznan
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