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1
Content available remote Environmental valuation of selected transparent wood coatings from the view of fungal resistance
Vidholdová Z., Slabejová G.
Annals of Warsaw University of Life Sciences - SGGW. Forestry and Wood Technology
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2018
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No. 103
164--168
EN
Wood products with painted surfaces can reduce the risk of forming and spreading microbial infection on their surfaces. This study aims to characterize surface moulds resistance of selected transparent wood coatings based on polyurethane resins, polyurethane-acrylate resins, and natural wax withoilapplied in one, two or three layers. The growth activity of moulds (GAM) on the surface coated with wax - oil and waterbornepolyurethane-acrylate coating was higher than mould growth on the surface with polyurethane coating. The mould growth was decreasing with increasing number of coats of polyurethane or waterborne polyurethane-acrylate coating.
2
Content available remote Adhesion of Pigmented Surface Finish on MDF Board
Slabejová G., Šmidriaková M.
Annals of Warsaw University of Life Sciences - SGGW. Forestry and Wood Technology
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2018
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No. 104
566--570
EN
The paper deals with the adhesion of pigmented surface finish intended into interior. The pigmented surface finish was formed as a system of the basic polyester coating material and the top polyurethane coating material. The surface finish was created in two various coating thicknesses on MDF board and on MDF veneered with beech veneer. The coating thicknesses differed in number of coatings of the top coating material. Adhesion of pigmented coating films to MDF board and to MDF veneered with beech veneer was evaluated by pull-off test according to the standard STN EN ISO 4624 Paints and varnishes. Pull-off test for adhesion. The tensile strength on veneered MDF board was higher than on MDF board with the coating film only. The rupture under pull-off test occurred in the surface layers of MDF board on both types of boards. The adhesion was not influenced by the film thickness.
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