The Effect of Treatment with Fire Retardant on Properties of Birch Veneer and Manufactured Fire-Resistant Plywood

• Autorzy: Kawalerczyk Jakub , Dziurka Dorota , Pinkowski Grzegorz , Stachowiak-Wencek Agata , Walkiewicz Joanna , Mirski Radosław

Identyfikatory

DOI

10.53502/wood-176617

• Języki publikacji: EN

Abstrakty

EN

The production of plywood from impregnated veneers allows a wood-based product protected in the entire cross-section to be obtained. The conducted research was focused on the properties of veneers impregnated with a mixture of potassium carbonate and urea, such as pH, wettability, colour change and surface roughness. In addition, the properties of plywood produced with melamineureaformaldehyde resin, such as the shear strength and formaldehyde emission, were the subject of research as well. It was found that the impregnated veneers were characterized by an increased pH, increased wettability, a completely different colour and unchanged surface roughness. Moreover, the impregnation of the veneers caused a decrease in the bonding quality of the plywood and a reduction in formaldehyde emissions from the finished product. It can be concluded that the melamineurea-formaldehyde adhesive is more suitable for the production of fire-resistant plywood than the urea-formaldehyde adhesive.

Słowa kluczowe

EN

plywood; birch veneer; fire retardant; veneer properties; Introduction

• Wydawca: Sieć Badawcza Łukasiewicz - Poznański Instytut Technologiczny
• Czasopismo: Drewno : prace naukowe, doniesienia, komunikaty
• Rocznik: 2023
• Tom: Vol. 66, nr 212
• Strony: Art. no. 176617
• Opis fizyczny: Bibliogr. 41 poz., rys., tab., wykr.

Twórcy

autor

Kawalerczyk Jakub

• Poznań University of Life Sciences, Faculty of Forestry and Wood Technology, Department of Mechanical Wood Technology

• https://orcid.org/0000-0002-5539-1841

autor

Dziurka Dorota

• Poznań University of Life Sciences, Faculty of Forestry and Wood Technology, Department of Mechanical Wood Technology

• https://orcid.org/0000-0001-6197-7825

autor

Pinkowski Grzegorz

• Poznań University of Life Sciences, Faculty of Forestry and Wood Technology, Department of Woodworking and Fundamentals of Machine Design

• https://orcid.org/0000-0002-9531-0663

autor

Stachowiak-Wencek Agata

• Poznań University of Life Sciences, Faculty of Forestry and Wood Technology, Department of Chemical Wood Technology

• https://orcid.org/0000-0002-0167-0722

autor

Walkiewicz Joanna

• Poznań University of Life Sciences, Faculty of Forestry and Wood Technology, Department of Mechanical Wood Technology

• https://orcid.org/0000-0002-8365-3714

autor

Mirski Radosław

• Poznań University of Life Sciences, Faculty of Forestry and Wood Technology, Department of Mechanical Wood Technology

• https://orcid.org/0000-0002-4881-579X

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• EN 314-1:2004 Plywood. Bonding quality. Test methods
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