Novel adhesive system based on 1,3-dimethylol-4,5-dihydroxyethyleneurea (DMDHEU) and hyperbranched polyglycerols |
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| Authors: | Mariusz ? Mamiński Sylwia Witek Karolina Szymona Pawe? Parzuchowski |
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| Affiliation: | 1. Faculty of Wood Technology, 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
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| Abstract: | Two hyperbranched polyglycerols bearing 1,1,1-tris(hydroxymethyl)propane or Bisphenol A core and terminal hydroxyl functionality were examined as components of novel wood adhesive systems. Two 1,3-dimethylol-4,5-dihydroxyethyleneurea resins (DMDHEU) were used as crosslinkers. Shear strength tests revealed that the adhesives containing up to 75 wt% of renewable glycerol-derived polyglycerols retained performance comparable to that of neat DMDHEU. The results give way to extending the area of application of hyperbranched polyglycerols in the field of wood adhesives. |
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