2021
DOI: 10.3390/polym13234224
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Abstract: In sucrose/citric acid based wood adhesive, the detailed bonding mechanism has still been unknown. Here, we investigated the detailed chemical structures of this adhesive wood (Japanese cedar)-based molding by using heteronuclear single quantum coherence–nuclear magnetic resonance (HSQC-NMR). NMR peaks associated with the furan-type structure appeared, suggesting that the furan compound was formed from sucrose and converted to a furan polymer during the adhesive process and that some of the furan structures in… Show more

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Cited by 4 publications
(2 citation statements)
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“…In recent years, driven by both sustainable development (biomass resources) and indoor health needs, researchers have reported a large number of biobased aldehyde-free wood adhesives, including soy protein, lignin, tannic, starch, maltodextrin, small molecular organic polyacids (such as citric acid), and so on. Small molecular organic acids are soluble in water, which is beneficial for mixing (spraying) with wood fibers or particles to prepare fiberboard and particleboard. , Notwithstanding this, the industrial application of small molecular adhesives is very narrow owing to the drawbacks of large consumption amounts and inferior bonding performance . Also, the price of biobased adhesives is much higher than the UF resin.…”
Section: Introductionmentioning
confidence: 99%
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“…In recent years, driven by both sustainable development (biomass resources) and indoor health needs, researchers have reported a large number of biobased aldehyde-free wood adhesives, including soy protein, lignin, tannic, starch, maltodextrin, small molecular organic polyacids (such as citric acid), and so on. Small molecular organic acids are soluble in water, which is beneficial for mixing (spraying) with wood fibers or particles to prepare fiberboard and particleboard. , Notwithstanding this, the industrial application of small molecular adhesives is very narrow owing to the drawbacks of large consumption amounts and inferior bonding performance . Also, the price of biobased adhesives is much higher than the UF resin.…”
Section: Introductionmentioning
confidence: 99%
“…Small molecular organic acids are soluble in water, which is beneficial for mixing (spraying) with wood fibers or particles to prepare fiberboard and particleboard. 16,17 Notwithstanding this, the industrial application of small molecular adhesives is very narrow owing to the drawbacks of large consumption amounts and inferior bonding performance. 18 Also, the price of biobased adhesives is much higher than the UF resin.…”
Section: Introductionmentioning
confidence: 99%