Effects of sucrose fatty acid ester addition on the structural,rheological and retrogradation behavior of high amylose starch-based wood adhesive |
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| Affiliation: | 1. College of Food Science and Technology, Huazhong Agricultural University, Wuhan 430070, PR China;2. Department of Agriculture, University of Swabi, Swabi, Khyber Pakhtunkhwa, Pakistan;3. School of Food Science, Nanjing Xiaozhuang University, 3601 Hongjing Road, Nanjing 211171, PR China;1. Department of Chemical and Biological Engineering, Centre for Catalysis Research and Innovation, University of Ottawa, 161 Louis Pasteur Pvt., Ottawa, Ontario K1N 6N5, Canada;2. Department of Chemical Engineering, Queen’s University, 9 University Ave, Kingston, Ontario K7L 3N6, Canada;3. EcoSynthetix Inc., 3365 Mainway, Burlington, Ontario L7M 1A6, Canada;1. Division of Bioresource, Paper and Coatings Technology, School of Industrial Technology, Universiti Sains Malaysia, 11800 Penang, Malaysia;2. Faculty of Bio Engineering and Technology, Universiti Malaysia Kelantan, 17600 Jeli, Kelantan, Malaysia;3. Department of Natural Resource Ecology and Management, Oklahoma State University, Stillwater, OK 74078-6013, USA;1. Key Laboratory of Food Science and Technology, Jiangnan University, 1800 Lihu Avenue, 214122 Wuxi, People’s Republic of China;2. School of Food Science and Technology, Jiangnan University, 1800 Lihu Avenue, 214122 Wuxi, People’s Republic of China;3. Synergetic Innovation Center of Food Safety and Nutrition, Jiangnan University, Wuxi 214122, China;1. State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi 214122, China;2. School of Food Science and Technology, Jiangnan University, Wuxi 214122, China;3. Synergetic Innovation Center of Food Safety and Nutrition, Jiangnan University, Wuxi 214122, China;1. College of Food Science and Technology, Huazhong Agriculture University, Wuhan 430070, PR China;2. Fisheries Research Institute, Wuhan Academy of Agricultural Sciences, Wuhan 430207, PR China;3. School of Food Science, Nanjing Xiaozhuang University, 3601 Hongjing Road, Nanjing 211171, PR China;4. Jiangsu Provincial Key Construction Laboratory of Special Biomass Waste Resource Utilization, Nanjing 211171, PR China |
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| Abstract: | In this study, sucrose fatty acid ester (SE) was used to evaluate the characteristics of a high amylose starch-based wood adhesive. Fourier transform infrared (FT-IR) spectroscopy confirmed the occurrence of graft copolymerization reactions whereas X-rays diffraction (XRD) analysis verified the presence of amylose-SE complexes. Scanning electron microscopy (SEM) a revealed uniform distribution of spaces whereas transmission electron microscopy (TEM) showed good dispersion of latex particles with SE addition as evident by small and poly-dispersed particles in the wood adhesive. The water dynamics in the starch adhesive system was studied using low-field nuclear magnetic resonance (LF-NMR). Furthermore, the addition of SEs resulted in enhanced shear-thinning and solid like-behaviors and anti-retrogradation properties of the adhesive with incorporation of SE. These results showed that SEs could improve the rheological and anti-retrogradation properties of the wood adhesive and offers a major step forward to prepare bio-based adhesives as an alternative for petroleum-based wood adhesives. |
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| Keywords: | High amylose wood adhesive sucrose fatty acid ester |
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