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Sustainable development has become a great concern in modern society. The authors of this brief describe how one strategy to reach this objective is to replace oil-based materials with bio-based materials. They emphasize the great efforts that have been made to synthesize new bio-based polymers or additives or to replace glass fibers by natural fibers in composites. Flame retardancy is one of the most desired properties for many applications in wires and cables, building, transport, electric and electronic devices.  The authors of this fascinating and timely brief summarize this important field in three parts. The flame retardancy of biobased polymers, the flame retardancy of natural fibers composites, and the synthesis and efficiency of biobased flame retardants.

Materials science. --- Polymers. --- Chemical engineering. --- Sustainable development. --- Biomaterials. --- Materials Science. --- Polymer Sciences. --- Sustainable Development. --- Industrial Chemistry/Chemical Engineering. --- Fire resistant polymers. --- Fire retardant polymers --- Flame retardant polymers --- Fire resistant materials --- Polymers --- Chemistry, Industrial --- Engineering, Chemical --- Industrial chemistry --- Engineering --- Chemistry, Technical --- Metallurgy --- Development, Sustainable --- Ecologically sustainable development --- Economic development, Sustainable --- Economic sustainability --- ESD (Ecologically sustainable development) --- Smart growth --- Sustainable development --- Sustainable economic development --- Economic development --- Polymere --- Polymeride --- Polymers and polymerization --- Macromolecules --- Biocompatible materials --- Biomaterials --- Medical materials --- Medicine --- Biomedical engineering --- Materials --- Biocompatibility --- Prosthesis --- Environmental aspects --- Polymers  . --- Bioartificial materials --- Hemocompatible materials --- Biomaterials (Biomedical materials)

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The book provides practical recommendations for creation of fire retardant materials with an increased service life. The enhanced fire resistance seen in these materials is based on the regularities of the chemical and physicochemical interaction of the components of intumescent composition in the process of thermolytic synthesis of heat-insulating char-foamed layers. The aim of fire protection of various objects with intumescent materials is to create a heat-insulating charred layer on the surface of structural elements; this layer can withstand high temperatures and mechanical damage which are typical during fires. The authors describe the contribution of basic components (melamine, pentaerythritol, ammonium polyphosphate), additional components (chlorinated paraffin, urea, cellulose, carbon nano additives, etc.) and polymer binders of intumescent compositions on the process of charring. The technological aspects of manufacturing, application and operation of fire retardant intumescent compositions, which can be useful for organizations that produce and use fire retardant materials, are also described.

Polymers  . --- Fire prevention. --- Building materials. --- Materials—Surfaces. --- Thin films. --- Polymer Sciences. --- Fire Science, Hazard Control, Building Safety. --- Building Materials. --- Surfaces and Interfaces, Thin Films. --- Films, Thin --- Solid film --- Solid state electronics --- Solids --- Surfaces (Technology) --- Coatings --- Thick films --- Architectural materials --- Architecture --- Building --- Building supplies --- Buildings --- Construction materials --- Structural materials --- Materials --- Fire safety --- Fires --- Prevention of fires --- Fire protection engineering --- Public safety --- Insurance engineering --- Polymere --- Polymeride --- Polymers and polymerization --- Macromolecules --- Fires and fire prevention --- Prevention --- Fire resistant materials. --- Building, Fireproof. --- Fire resistant polymers. --- Fire retardant polymers --- Flame retardant polymers --- Fire resistant materials --- Polymers --- Fireproof building --- Building materials --- Fire prevention --- Fire retardant materials --- Flame resistant materials --- Fireproofing --- Protection

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This Special Issue covers manufacturing of a smart polymer composites via choice of ingredients, such as polymer, filler, and additives, as well as their unique composition. It also covers the smart processing of polymer composites, which is influenced by the choice of mixers, processing condition, processing technique, etc.

Technology: general issues --- thermoplastic polyurethane --- expanded bead --- supercritical CO2 foaming --- expansion ratio --- resilience --- hardness --- poly(lactic acid) --- lignin --- maleic anhydride --- chemical modification --- 3D printing filament --- SEBS --- membrane --- water uptake --- impedance spectroscopy --- ionic conductivity --- phlogopite --- natural rubber (NR) --- ethylene-propylene-diene monomer rubber (EPDM) --- mechanical properties --- compatibility --- nylon 6 --- polyketone --- chain extender --- hydrogen bonding --- chain branching --- chain crosslinking --- melt viscosity --- shape memory polymer --- NIR light responsive --- semicrystalline maleated polyolefin elastomer --- polyaniline --- melt blending --- adhesive --- fluorosilicone --- thermal conductivity --- magnesium oxide --- boron nitride --- syntactic foams --- hyperbranched polymer --- polyamide 6 --- hollow glass microsphere --- lubricant --- compatibilizer --- composites --- silica --- silane --- hydrolysis --- interfacial adhesion --- zinc mechanism --- hybrid flame retardant materials --- influence of gypsum --- minimum total heat release --- n/a

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Materials with sound-absorbing or sound-insulating properties have been rapidly evolving in recent years for several reasons. On one side, there is the ever-increasing awareness of the adverse effects that noise and lack of acoustic comfort may have on human health. On the other, the availability of more sophisticated fabrication techniques, calculation methods, and new materials, has stimulated researchers and, more and more frequently, industry to develop customized materials with improved properties.This book collects contributions from different researchers covering several topics. A group of papers investigated the use of 3D printing to obtain perforated panels with extended frequency response, as well as to ideally design an optimized cell distribution to print (when fabrication techniques will make it possible) a porous material with a broader sound absorption. The role of the geometrical and microstructural properties of granular molecular sieves is investigated by another paper. A second group of papers focused its attention on the use of natural or recycled components to create a skeleton of porous materials with good sound-absorbing properties and low environmental impact. Cigarette butts, recycled textile waste, and almond skins have been investigated by different authors.Finally, the last batch of papers included a review of sound insulation properties of innovative concretes and two research papers focussing on a numerical and experimental analysis of wood plastic composite (WPC) panels and on the potential of semi-active solutions employing compressible constrained layer damping (CCLD).

Technology: general issues --- perforated panel --- absorber array --- low frequency absorption --- sound absorber --- cigarette butts --- sustainable material --- recycling --- variability analysis --- textile waste --- biopolymers --- sound absorption --- sustainable materials --- circular economy --- polyurethane foam --- thermal property --- phase change material --- flame retardant --- perforated plates with extended tubes --- porous materials --- periodic absorber --- wood plastic composite --- transmission loss --- radiation efficiency --- orthotropic panel --- wavenumber analysis --- molecular sieve pellets --- impedance tube --- sound transmission loss --- semi-active damping --- sandwich panel --- morphing structure --- compressible constrained layer damping --- composite materials --- anisotropic materials --- optimized absorption --- diffuse field --- graded properties --- agro-waste --- hygrothermal performances --- concrete --- noise --- acoustic properties --- sound-absorbing --- sound-reflecting --- n/a

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This book summarizes comprehensively many recent technical research accomplishments in the area of flame retardant research. It presents mainly flame retardant studies of polymer blends, composites and nanocomposites such as rubber, thermosets and thermoplastics. This book discusses different types of flame retardant using in polymers especially nanocomposites, as well as the role and chemistry. Leading researchers from industry, academy, government and private research institutions across the globe contribute to this book. Academics, researchers, scientists, engineers and students in research and development will benefit from an application-oriented book that helps them to find solutions to both fundamental and applied problems.

Materials Science. --- Characterization and Evaluation of Materials. --- Engineering Thermodynamics, Heat and Mass Transfer. --- Polymer Sciences. --- Nanotechnology. --- Polymers. --- Engineering. --- Surfaces (Physics). --- Polymères --- Ingénierie --- Nanotechnologie --- Surfaces (Physique) --- Materials. --- Chemical & Materials Engineering --- Engineering & Applied Sciences --- Materials Science --- Fireproofing agents. --- Fire resistant polymers. --- Nanocomposites (Materials) --- Nanocomposite materials --- Nanostructured composite materials --- Nanostructured composites --- Fire retardant polymers --- Flame retardant polymers --- Chemical fire retardants --- Fire resisting agents --- Fire retardants --- Flame retardants --- Flameproofing agents --- Materials science. --- Thermodynamics. --- Heat engineering. --- Heat transfer. --- Mass transfer. --- Composite materials --- Nanostructured materials --- Fire resistant materials --- Polymers --- Fire prevention --- Polymere --- Polymeride --- Polymers and polymerization --- Macromolecules --- Construction --- Industrial arts --- Technology --- Molecular technology --- Nanoscale technology --- High technology --- Physics --- Surface chemistry --- Surfaces (Technology) --- Polymers  . --- Mass transport (Physics) --- Thermodynamics --- Transport theory --- Heat transfer --- Thermal transfer --- Transmission of heat --- Energy transfer --- Heat --- Mechanical engineering --- Chemistry, Physical and theoretical --- Dynamics --- Mechanics --- Heat-engines --- Quantum theory --- Material science --- Physical sciences