2009
DOI: 10.1007/s00107-009-0357-6
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Development and optimization of a new formaldehyde-free cornstarch and tannin wood adhesive

Abstract: The development and optimization of a new, environment-friendly adhesive made from abundant and renewable cornstarch and tannin is described in this study. At present, the production of wood composites mainly relies on petrochemical-and formaldehyde-based adhesives such as phenol-formaldehyde (PF) resins and urea-formaldehyde (UF) resins.Formaldehyde-free cornstarch plus tannin adhesives were evaluated for mechanical and physical properties (shear strength, rheological characterisation and thermogravimetric an… Show more

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Cited by 103 publications
(52 citation statements)
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“…The total resin solid by weight was 10 % for the commercial UF and cornstarch-tannin adhesives. In the case of the cornstarch-tannin adhesives, hot pressing was carried out at 25 kg/cm 2 pressure and 170 °C, for 7.5 minutes press time (optimal conditions) (Moubarik et al 2010a). While particleboard bonded with commercial UF resin has assembled and hot pressed under 25 kg/cm 2 pressure at 195°C, for 7.5 minutes press time.…”
Section: Particleboard Preparation and Testingmentioning
confidence: 99%
“…The total resin solid by weight was 10 % for the commercial UF and cornstarch-tannin adhesives. In the case of the cornstarch-tannin adhesives, hot pressing was carried out at 25 kg/cm 2 pressure and 170 °C, for 7.5 minutes press time (optimal conditions) (Moubarik et al 2010a). While particleboard bonded with commercial UF resin has assembled and hot pressed under 25 kg/cm 2 pressure at 195°C, for 7.5 minutes press time.…”
Section: Particleboard Preparation and Testingmentioning
confidence: 99%
“…Several researchers have evaluated the potential utilization of starch (Imam et al 1999(Imam et al , 2001, starch/tannin (Moubarik et al 2009(Moubarik et al , 2010(Moubarik et al , 2011, and starch/isocyanates (Tan et al 2011) as starchbased wood adhesive (SWA). SWA can be prepared by grafting an olefin monomer (VAc or VAc + BA) onto starch granules; the monomer then reacts with the OH group of the glucose unit to produce an ether linkage (Wang et al 2012Zhang et al 2015).…”
Section: Introductionmentioning
confidence: 99%
“…Tannins leave a clear spectroscopic fingerprint in the 13 C-NMR spectra of industrial materials in which they are used in adhesives [14,15], which moreover is sensitive to chemical changes brought about by processing [16]. NMR can also quantify the degree of extraction of tannins from bark [17], with the NMR results validating against conventional extractive gravimetric techniques.…”
Section: Introductionmentioning
confidence: 99%