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Engineering of natural polymeric gels and aerogels for multifunctional applications
Engineering of Natural Polymeric Gels and Aerogels for Multifunctional Applications brings together detailed information on gels, hydrogels, and aerogels derived from natural polymers, covering materials, processing, fabrication techniques, structure-property relationships, and novel applications. The book begins by introducing polymeric gels, hydrogels, and aerogels, the different types and properties, advantages and disadvantages, manufacturing techniques, production and scalability, and the possible applications. This is followed by thorough coverage of processing methods for obtaining natural polymer-based gels and hydrogels, with separate chapters focusing on physical processes, chemical processes, green processes, and processing for aerogels. The final chapters of the book focus on the preparation of natural polymer-based gels, hydrogels, and aerogels for many state-of-the-art applications, including biomedical, absorbent, energy saving, filtration, and sensing areas. Engineering of Natural Polymeric Gels and Aerogels for Multifunctional Applications is an essential resource for all those with an interest in polymeric gels and natural polymers, including researchers and scientists in polymer engineering, polymer chemistry, sustainable materials, biomaterials, materials science and engineering, and chemical engineering. In industry, this book supports scientists, R&D, and engineers looking to utilize novel bio-based materials for advanced applications.
Front Cover -- Engineering of Natural Polymeric Gels and Aerogels for Multifunctional Applications -- Copyright Page -- Contents -- List of contributors -- 1 Polymeric aerogels: a general introduction -- 1.1 Introduction to aerogels -- 1.2 Processing of aerogels -- 1.2.1 Gelation and pore formation -- 1.2.2 Solvent exchange and pore adjustment -- 1.3 Properties of aerogels -- 1.3.1 Porosity -- 1.3.2 Low thermal conductivity -- 1.3.3 Variable refractive index -- 1.3.4 Huge surface area -- 1.3.5 Functionalization of gel body -- 1.4 Natural polymer-based aerogels
1.4.1 Cellulose-based aerogels -- 1.4.1.1 Raw materials for cellulosic aerogels -- 1.4.1.2 Extraction of cellulose from raw materials -- 1.4.1.3 Processing route for cellulose aerogels -- 1.4.1.3.1 Suitable solvents -- 1.4.1.3.2 Gelation -- 1.4.1.3.3 Solvent exchange -- 1.4.1.3.4 Drying of cellulose wet gels -- 1.4.1.4 Properties of cellulose aerogels -- 1.4.1.4.1 Density and porosity -- 1.4.1.4.2 Specific surface area -- 1.4.1.4.3 Mechanical properties -- 1.4.1.4.4 Thermal properties -- 1.4.2 Starch-based aerogels -- 1.4.2.1 Raw materials for starch aerogels
1.4.2.2 Extraction of starch from the raw materials -- 1.4.2.3 Processing of starch-based aerogels -- 1.4.2.3.1 Gelation -- 1.4.2.3.2 Solvent exchange -- 1.4.2.3.3 Drying of starch gels -- 1.4.2.4 Properties of starch aerogels -- 1.4.2.4.1 Density and porosity -- 1.4.2.4.2 Specific surface area -- 1.4.2.4.3 Mechanical properties -- 1.4.2.4.4 Thermal properties -- 1.4.3 Pectin-based aerogels -- 1.4.3.1 Raw materials for pectin-based aerogels -- 1.4.3.2 Extraction of pectin from raw materials -- 1.4.3.3 Processing route for pectin aerogels -- 1.4.3.3.1 Gelation -- 1.4.3.3.2 Solvent exchange
1.4.3.3.3 Drying of pectin wet gels -- 1.4.3.4 Properties of pectin aerogels -- 1.4.3.4.1 Density and porosity -- 1.4.3.4.2 Specific surface area -- 1.4.3.4.3 Mechanical properties -- 1.4.3.4.4 Thermal properties -- 1.4.4 Alginate-based aerogels -- 1.4.4.1 Raw materials for alginate-based aerogels -- 1.4.4.2 Extraction of alginate from raw materials -- 1.4.4.3 Processing route for alginate aerogels -- 1.4.4.3.1 Gelation -- 1.4.4.3.2 Solvent exchange -- 1.4.4.3.3 Drying of alginate wet gels -- 1.4.4.4 Properties of alginate aerogels -- 1.4.4.4.1 Density and porosity
1.4.4.4.2 Specific surface area -- 1.4.4.4.3 Mechanical properties -- 1.4.4.4.4 Thermal properties -- 1.4.5 Chitin and chitosan-based aerogels -- 1.4.5.1 Raw materials for chitin/chitosan-based aerogels -- 1.4.5.2 Extraction of chitin/chitosan from raw materials -- 1.4.5.3 Processing route for chitin/chitosan aerogels -- 1.4.5.3.1 Suitable solvents -- 1.4.5.3.2 Gelation -- 1.4.5.3.3 Solvent exchange -- 1.4.5.3.4 Drying of chitin/chitosan wet gels -- 1.4.5.4 Properties of chitin/chitosan aerogels -- 1.4.5.4.1 Density and porosity -- 1.4.5.4.2 Specific surface area
edited by Sabu Thomas, Bastien Seantier, Blessy Joseph.