Wood adhesives derived from hyperbranched polyglycerol cross-linked with hexamethoxymethyl melamines |
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| Authors: | Mariusz ? Mamiński Ma?gorzata Czarzasta Pawe? Parzuchowski |
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| Affiliation: | aFaculty of Wood Technology, Warsaw University of Life Science—SGGW, 159 Nowoursynowska St., 02-776 Warsaw, Poland;bFaculty of Chemistry, Warsaw University of Technology, 3 Noakowskiego St., 00-664 Warsaw, Poland |
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| Abstract: | Wood adhesive system based on hyperbranched polyglycerol cross-linked with hexamethoxymethyl melamines was described. The obtained results showed that it was possible to develop polyglycerol-based interior-grade adhesive exhibiting dry shear strengths of the joints exceeding that of the solid wood. Gelling times of the studied formulations were comparable to those of the industrial thermosetting systems (60–80 s at 100 °C). It was also found that wet shear strengths depended on functionality and F/Me molar ratio in the cross-linking resin. |
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| Keywords: | Adhesives for wood Cure/hardening Polyglycerol |
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