Soy-Based Adhesive Cross-Linked by Phenol-Formaldehyde-Glutaraldehyde
AbstractTo prepare a low-formaldehyde soy-based adhesive with good water resistance, phenol-formaldehyde modified with glutaraldehyde (PFG) with lower free phenol and free formaldehyde contents was used to cross-link the soy-based adhesive. The results showed that the mechanical properties and water resistance of plywood prepared with soy-based adhesive with PFG was better than that of plywood with the same amount of phenol-formaldehyde (PF). The reaction between phenol and glutaraldehyde was proved by 13C-NMR. Under the optimized preparation conditions for plywood, that is to say, press temperature 160 °C, press time 4 min and resin loading 320 g·m−2, type I plywood could be prepared with 9% PFG as a cross-linker of soy-based adhesive. The Differential Scanning Calorimetry (DSC) result confirmed the cross-linking reaction between soy-based adhesive and PFG or PF. The activation energy of soy-based adhesive with cross-linker PFG was higher than that with PF resin. View Full-Text
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Wu, Z.; Xi, X.; Lei, H.; Du, G. Soy-Based Adhesive Cross-Linked by Phenol-Formaldehyde-Glutaraldehyde. Polymers 2017, 9, 169.
Wu Z, Xi X, Lei H, Du G. Soy-Based Adhesive Cross-Linked by Phenol-Formaldehyde-Glutaraldehyde. Polymers. 2017; 9(5):169.Chicago/Turabian Style
Wu, Zhigang; Xi, Xuedong; Lei, Hong; Du, Guanben. 2017. "Soy-Based Adhesive Cross-Linked by Phenol-Formaldehyde-Glutaraldehyde." Polymers 9, no. 5: 169.
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