STRUCTURE AND PROPERTY RELATIONSHIPS IN OXIDIZED STARCH BASED COMPOSITE WOOD ADHESIVES
Authors
Ortiqov Sherzod Sharof og’li, Radjabov Otabek Iskandarovich, Sharipov Muzafar Samandarovich, Khafizov Alisher Rakhimovich
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Annotation
Composite wood adhesives based on oxidized starch were prepared using different formulations, including OS:PAA:PVA, OS:PAA:CA, and OS:PAA:PVA:U systems. The relationship between structure and properties was investigated using scanning electron microscopy (SEM) and thermogravimetric analysis (TG). SEM analysis revealed that the OS:PAA:CA system forms a dense, homogeneous, and compact structure, while the OS:PAA:PVA and OS:PAA:PVA:U systems exhibit more heterogeneous and porous morphologies. Thermogravimetric results showed that all samples undergo three main stages of thermal degradation, with the OS:PAA:CA composition demonstrating the highest thermal stability due to the formation of a well-developed three-dimensional network. The results indicate that the performance of oxidized starch-based adhesives strongly depends on the composition and intermolecular interactions between components. Among the studied systems, the OS:PAA:CA composition exhibited the most favorable structural and thermal properties, making it a promising candidate for wood adhesive applications.
Keywords
Authors
Ortiqov Sherzod Sharof og’li, Radjabov Otabek Iskandarovich, Sharipov Muzafar Samandarovich, Khafizov Alisher Rakhimovich
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References:
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