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Article

The Effect of Silica-Filler on Polyurethane Adhesives Based on Renewable Resource for Wood Bonding

1
Institute of Wood Sciences and Furniture, Warsaw University of Life Sciences–SGGW, 159 Nowoursynowska St., 02-776 Warsaw, Poland
2
Faculty of Chemistry, Warsaw University of Technology, 3 Noakowskiego St., 00-664 Warsaw, Poland
*
Author to whom correspondence should be addressed.
Polymers 2020, 12(10), 2177; https://doi.org/10.3390/polym12102177
Received: 20 July 2020 / Revised: 11 September 2020 / Accepted: 22 September 2020 / Published: 24 September 2020
(This article belongs to the Special Issue Synthesis and Characterization of Bio-Based Polymers)
The aim of the study was to evaluate the applicability and performance of polyglycerol- and sucrose-based polyols as components of a simplified formulation of polyurethane adhesives. Colloidal silica was used as a viscosity control and reinforcing agent. The adhesives were examined in terms of reactivity, thermal stability, viscosity, work of adhesion, wetting, surface energy, and bonding strength on wooden substrates. Silica was found to increase gelling time, but markedly improved bonding strength and adhesion with substrates. Bonded solid beech wood samples prepared at 80, 110, and 130 °C showed shear strengths between 7.1 MPa and 9.9 MPa with 100% wood failure. The renewable resource-based polyols were demonstrated to be useful in formulation of polyurethane adhesives for furniture industry—especially with silica as a filler. View Full-Text
Keywords: biopolyol; polyurethane adhesive; glycerol; sucrose biopolyol; polyurethane adhesive; glycerol; sucrose
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MDPI and ACS Style

Mamiński, M.Ł.; Więcław-Midor, A.M.; Parzuchowski, P.G. The Effect of Silica-Filler on Polyurethane Adhesives Based on Renewable Resource for Wood Bonding. Polymers 2020, 12, 2177. https://doi.org/10.3390/polym12102177

AMA Style

Mamiński MŁ, Więcław-Midor AM, Parzuchowski PG. The Effect of Silica-Filler on Polyurethane Adhesives Based on Renewable Resource for Wood Bonding. Polymers. 2020; 12(10):2177. https://doi.org/10.3390/polym12102177

Chicago/Turabian Style

Mamiński, Mariusz Ł., Anna M. Więcław-Midor, and Paweł G. Parzuchowski 2020. "The Effect of Silica-Filler on Polyurethane Adhesives Based on Renewable Resource for Wood Bonding" Polymers 12, no. 10: 2177. https://doi.org/10.3390/polym12102177

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