Influence of electromagnetic treatment of the mineral filler on properties of the adhesive compositions for plywood production

• Autorzy: Anisimov M. , Belchinskaya L. , Sedliacik J.

Warianty tytułu

PL

Wpływ pola elektromagnetycznego na własności wypełniacza mineralnego w masach klejowych do produkcji sklejki

• Języki publikacji: EN

Abstrakty

EN

Influence of electromagnetic treatment of the mineral filler on properties of the adhesive compositions for plywood production. The influence of pre-activation of natural mineral filler zeolite (clinoptilolite) in the electromagnetic microwave field (EMF) and in a weak pulsed magnetic field (IMP) on the physical, mechanical and chemical properties of adhesive compositions were investigated. The differences in the mechanisms of exposure of EMF and IMP on mineral filler in adhesive composition were identified. Decrease of free formaldehyde content from cured adhesive composition is 23 %. Increase of acidity and reduction of gel time were determined. Addition of clinoptilolite into the adhesive composition increases the strength of the adhesive layer: at untreated sample by 6 %, treated in a weak IMP by 14 % and activated in EMF by 23 %.

PL

Wpływ pola elektromagnetycznego na własności wypełniacza mineralnego w masach klejowych do produkcji sklejki. Zbadano wpływ wstępnej aktywacji wypełniacza mineralnego - zeolitu naturalnego (klinoptylolitu) w polu mikrofalowym (EMF) oraz w słabym pulsującym magnetycznym (IMP) na fizyczne, mechaniczne i chemiczne właściwości mas klejowych. Określono różnice w mechanizmach ekspozycji wypełniacza mineralnego w masie klejowej na EMF i IMP. Zmniejszenie zawartości wolnego formaldehydu z utwardzonej masie klejowej wynosi 23%. Określono wzrost kwasowości i zmniejszenie czasu żelowania. Dodatek klinoptylolitu do kompozycji klejącej zwiększa wytrzymałość spoiny klejowej: w próbkach kontrolnych o 6%, przy IMP do 14%, a EMF o 23%.

Słowa kluczowe

EN

plywood industry; plywood; adhesive layer; adhesive joint; adhesive composition; natural filler; mineral component; zeolite; clinoptilolite; formaldehyde emission; electromagnetic field; microwave field; magnetic field; gelation; acidity

• Wydawca: -
• Czasopismo: Annals of Warsaw University of Life Sciences - SGGW. Forestry and Wood Technology
• Rocznik: 2014
• Tom: 88
• Opis fizyczny: p.7-13,ref.

Twórcy

autor

Anisimov M.

• FSBEI HPO "Voronezh State Academy of Foresty and Technologies", Timiryazeva 8, 394087 Voronezh, Russia

autor

Belchinskaya L.

• FSBEI HPO "Voronezh State Academy of Foresty and Technologies", Timiryazeva 8, 394087 Voronezh, Russia

autor

Sedliacik J.

• Department of Furniture and Wood Products, Technical University in Zvolen, T.G. Masaryka 24, 960 53 Zvolen, Slovakia

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