Visakh P.M

• MSc, MPhil, PhD
• Professor (Assistant) at Tomsk State University of Control Systems and Radio-Electronics

Graphene exhibits outstanding electrical and thermal conductivity with remarkable light absorption capability. Nanoelectronic devices are made up of nanomaterials such as nanowires, graphene, carbon nanotubes, and transition metal dichalcogenides. Graphene is a recently discovered nanomaterial known for its outstanding mechanical, electrical, and o...

This chapter focuses on many topics such as the introduction, scope, state of art, applications, state of art, new challenges and opportunities for nanomedicine. This chapter will be discussing about the nanomaterials and scaffolds for tissue engineering and regenerative medicine, nanorobotics in nanomedicine, nanosensors, inorganic nanoparticles f...

The main medicinal applications for nanomaterials are imaging and therapy that require targeted delivery. Nanodiagnostics is defined as the use of nanotechnology for state‐of‐the‐art clinical diagnostic purposes to meet the demands of enhanced sensitivity and prognosis of disease in clinical diagnostics. There are two approaches used in the constru...

One of the ways to enhance thermal stability and reduce the flammability of polymers is the introduction of fillers with flame retardant properties. The paper studies the effect of natural zeolites of the Sakhaptinsk and Shivyrtuysk deposits on the thermal stability and flame retardancy of epoxy composites. The thermal stability of epoxy composites...

PVC is a versatile polymer used in a diversity of applications, function of its own, as well as its blending component’s properties. Since the early 1930s, when commercial production of PVC started, it became a universal polymer due to its high performance and low cost, combined with the broad range of items that can be obtained by multiple process...

Despite the fact that PVC is one of the most useful materials available to the plastic market, with properties as strong, durable, versatile and lightweight, low cost and chemical resistance, its inadequate disposal has contributed to strong noneconomic issues based on the negative effects of chlorine. The use of biodegradable polymers and their mi...

This book summarizes many of the recent research accomplishments in the area of polyvinylchloride (PVC)-based blends and their preparation, characterization and applications. Various sub-topics are addressed, such as the state-of-the-art of PVC based blends, new challenges and opportunities, emphasis being given to the types and sizes of components...

Similar to low molar mass liquid crystals, both are elementary restricted and determine the liquid crystalline state and order. In the case of, end on side chain elastomers tend towards the formation of smectic phase, while the case of lateral linkage of mesogenic units which prevents the long rage positional order and its often favors the formatio...

Preparations, characterization, and applications of multiferroic nanocomposites will be discussed in this chapter. The chapter starts with a brief introduction on multiferroic nanocomposites and preparation, followed by a discussion on characterization of multiferroic nanocomposites, and ends with the applications of multiferroic nanocomposites.

This chapter discusses about nanostructured multiferroics, current trends and future prospects, with many different topics such as single‐phase multiferroics, multiferroic study of pure BiFeO3 synthesized using various complexing agents, nanostructured multiferroics, and multiferroic systems of BiFeO3 and BaTiO3 nanostructures. Effective properties...

In recent years, a tremendous growth has been observed in the field of portable electronic devices due to its lightweight, low power consumption and economic nature. The rapid expansion of these devices requires the development of efficient and portable energy sources. The advancement in the field of nanotechnology is bringing such power sources in...

This first chapter discusses about the metal oxide nanocomposites: synthesis and applications with many different topics such as introduction to nanocomposites, graphene‐based metal, metal oxide nanocomposites, carbon nanotube–metal oxide nanocomposites, metal oxide‐based nanocomposites application towards photocatalysis, metal oxide nanomaterials...

The major applications in polymer‐metal oxide nanocomposite synthesis and future research perspectives for synthesis methodologies of polymer/metal oxide nanocomposite will be discussed in this chapter. The chapter starts with a brief introduction on a metal oxide, its preparation, followed by a discussion of applications of the different nanopolym...

The present review summarizes the research work of flame retardant coatings on polyurethane flexible foam in particular, this review highlights the different type of flame retardant and their preparation, characterisation methods.

The new generation of hybrid nanostructured materials has two crucial properties: biocompatibility and biodegradability. Preparation of biopolymeric blends is encouraged due to their biocompatible and biodegradable properties. This chapter focuses on biopolymeric hydrogels, especially gelatin, pectin, and carrageenan, which are widely used in the f...

This chapter contains sections titled: Liquid Crystal Polymers Polyamide 4, 6, (PA4,6) Polyacrylamide Effect of Nanostructured Polyhedral Oligomeric Silsesquioxone on High Performance Poly(Urethane‐Imide) Thermoplastic Polyimide Performance Properties and Applications of Polytetrafluoroethylene (PTFE) Advances in High‐Performance Polymers Bearing P...

Cellulose nanowhiskers were prepared by acid hydrolysis of drumstick fruit fibers from Moringa oleifera. It was incorporated into thermosetting epoxy matrix at various weight fractions (0.06, 0.12 or 0.18 wt%) to investigate their effect on the mechanical and thermal properties of resulting epoxy resin composite. Drumstick fruit nanofibers slightly...

This chapter contains sections titled: Polypropylene (PP)/Cellulose-Based Biocomposites and Bionanocomposites Polypropylene (PP)/Starch-Based Biocomposites and Bionanocomposites Polypropylene (PP)/Polylactic Acid-Based Biocomposites and Bionanocomposites Polypropylene (PP)-Based Hybrid Biocomposites and Bionanocomposites Biodegradation and Flame Re...

The epoxy composites were synthesized from epoxy resin ED-20, polyethylene polyamine as curing agent and copper nanopowder and boric acid as fillers. The copper nanopowder was produced by electrical explosion of wires. The thermal properties of the epoxy composites at the heating in the atmosphere of air and argon from ambient temperature to 900 °C...

This book, Polypropylene-Based Biocomposites and Bionanocomposites, summarizes many of the recent research accomplishments in the area reflected in the title. In addition to the state-of-the-art and new challenges and opportunities in this area, an effort has been made to discuss many other topics related to polypropylene-based biocomposites and bi...

The present chapter deals with a brief account on various topics in rubber nano blends preparation, characterization and applications. This chapter discussed with different topics such natural rubber nano blends, nitrile rubber latex blends, polyurethane rubber based nano blends, chlorosulphonated rubber based nano blends, polybutadiene rubber base...

This chapter gives an introduction on the general aspects of cellulose, natural rubber and their bionanocomposites. A brief literature review on what has been done so far on the cellulose, natural rubber nanocomposites research area is also included in this chapter. This chapter also describes the structure, properties and characterization of cellu...

This chapter gives an introduction on the general aspects of chitin and their bionanocomposites. A brief literature review on what has been done so far on the chitin, structure and properties of chitin chitin nanowhiskers, extraction of chitin nanowhiskers, characterization of chitin nanowhiskers, chitin nanowhiskers based nanocomposites and blends...

The present chapter deals with a brief account on various topics in rubber based bionanocomposites: preparation and state of art. This chapter discussed with different topics such as cellulose based rubber nanocomposites, chitin based rubber nanocomposites, applications of chitin based rubber nanocomposites, chitin in rubber based blends and micro...

The epoxy resins are widely used in nuclear and aerospace industries. The certain properties of epoxy resins as well as the resistance to radiation can be improved by the incorporation of different fillers. This study examines the effect of electron beam irradiation on the thermal and mechanical properties of the epoxy composites filled with alumin...

This study investigates the thermal and mechanical properties of epoxy polymer after exposure to different doses of electron beam irradiation. The epoxy polymer was prepared using epoxy-diane resin ED-20 cured by polyethylenepolyamine. The irradiation of the samples was carried out with doses of 30, 100 and 300 kGy. The effects of doses on thermal...

Leading researchers from industry, academy, government and private research institutions across the globe have contributed to this book, which presents all types of rubber blend composites based on biomaterials as well as nanocomposites. It discusses the fundamental preparation methods of these materials and summarizes many of the latest technical...

This book summarizes the preparation, characterization and applications of rubber based nano blends. Rubbers from natural and synthetic polymers and their blends are discussed in the individual chapters, including nitrile, polyurethane, chlorosulphonated, polybutadiene, styrene butadiene, polychloroprene rubbers. In each chapter, contributors from...

Many recent research accomplishments in the area of polymer nanocomposite membrane materials are summarized in this book, Nanostructured Polymer Membranes: Processing and Characterizations. State-of-the-art on membrane technology and chemistry and new challenges being faced in the field are discussed. Among the topics reviewed are characterization...

Biodegradable polymers have experienced a growing interest in recent years for applications in packaging, agriculture, automotive, medicine, and other areas. One of the drivers for this development is the great quantity of synthetic plastic discarded improperly in the environment. R&D in the industry and in academic research centers searches for ma...

A brief account of various topics concerning the processing and characterization of nanostructured polymer membranes is presented in this chapter. The different topics that are discussed include membrane technology and chemical characterization of membranes; ceramic and inorganic polymer membranes preparation characterization and applications; supr...

The particles of natural zeolite in combination with boric acid were incorporated into the epoxy resin ED-20 in order to improve the thermal stability of epoxy polymer. Epoxy resin was cured using polyethylenepolyamine. Characterization of the epoxy composites was carried out by using Fourier transform infrared spectrometry, thermogravimetric analy...

Natural fibres have recently become attractive to scientific community as an alternative reinforcement for fibre reinforced polymer (FRP) composites. As compared to conventional fibres, such as glass and carbon FRPs have low cost, fairly good mechanical properties, ecofriendly and bio-degradability characteristics. In the present work, bio based na...

Biodegradable polymers have experienced a growing interest in recent years for applications in packaging, agriculture, automotive, medicine, and other areas. One of the drivers for this development is the great quantity of synthetic plastic discarded improperly in the environment. Therefore, R&D in industry and in academic research centers, search...

Recent Developments in Polymer Macro, Micro and Nano Blends: Preparation and Characterisation discusses the various types of techniques that are currently used for the characterization of polymer-based macro, micro, and nano blends. It summarizes recent technical research accomplishments, emphasizing a broad range of characterization methods. In ad...

The 2nd volume on applications with discuss the various aspects of state-of-the-art, new challenges and opportunities for gas and vapor separation of polymer membranes, membranes for wastewater treatment, polymer electrolyte membranes and methanol fuel cells, polymer membranes for water desalination, optical, electrochemical and anion/polyanion sen...

Science uses methodologies from synthetic chemistry and materials chemistry to obtain nanomaterials in specific sizes and shapes, with specific surface properties, defects, and self-assembly properties, designed to accomplish specific functions and uses. Nanostructured materials are classified as zero-dimensional, one-dimensional, two-dimensional,...

Epoxy composites filled with boric acid and natural zeolite with different percentage (1, 5, and 10 wt%) were prepared. Hexamethylenediamine and polyethylenpolyamine were used as curing agents. The prepared samples and starting materials were examined using the methods of thermal analysis and scanning electron microscopy. The parameters of thermal...

The polymeric materials are characterized by high flammability. The use of flame retardants in order to reduce the flammability of polymers can lead to the formation of toxic gaseous products under fire conditions. In this work we studied the effect of boric acid on the volatile products of thermooxidative degradation of epoxy polymers. The compara...

The epoxy polymers are characterized by low thermal stability and high flammability. Nanoparticles are considered to be effective fillers of polymer composites for improving their thermal and functional properties. In this work, the epoxy composites were prepared using epoxy resin ED-20, polyethylene polyamine as a hardener, aluminum nanopowder and...

Starch is one of the most widely available natural biomaterials and is commonly used in biodegradable packaging. This book provides a comprehensive overview of recent developments in starch-based materials. The book focuses on the types of starch available from different sources, in particular the various aspects of preparation, structure, processi...

This book offers in-depth insights into the photochemical behavior of multicomponent polymeric-based materials, with a particular emphasis on the photodegradation and photostabilization of these materials. Studying various classes of materials bases such as polysaccharides, wood, synthetic polymers, rubber blends, and nanocomposites, it offers a va...

The chapter deals with a brief account of various topics in polyethylene terephthalate: blends, composites, and nanocomposites. This chapter discusses the different topics such as modification of polyethylene terephthalate, reinforcement of polyethylene terephthalate via addition of carbon-based materials, polyethylene terephthalate-based blends: t...

for his research work. He visited 12 countries; He visited 15 universities in Europe. He published 8 publications, 3 reviews and more than 18 book chapters. He has attended and presented more than 28 conferences, he has 180 citations and his h-index is 7. He acts as guest editor for 2 International Journals. His research interests include: polymer...

The book focusses on the recent technical research accomplishments in the area of polyethylene-based blends, composites and nanocomposites by looking at the various aspects of processing, morphology, properties and applications. In particular, the book details the important developments in areas such as the structure-properties relationship of poly...

The chapter deals with a brief account of various topics in polyethylene-based blends, composites and nanocomposites. We discuss the different topics such as ultra high molecular weight polyethylene (UHMWPE) for orthopaedics devices, stabilization of irradiated polyethylene by the introduction of antioxidants, polyethylene-based conducting polymer...

The chapter deals with a brief account of various topics on different types of processing of polyethylene composites and characterization methods for polyethylene- based composites and nanocomposites.

The thermal properties of epoxy composites filled with boric acid fine powder at different percentage were studied. Epoxy composites were prepared using epoxy resin ED-20, boric acid as flame-retardant filler, hexamethylenediamine as a curing agent. The prepared samples and starting materials were examined using methods of thermal analysis, scannin...

Copper nanopowders after storage under natural conditions can oxidize and change their properties. In this work, the phase composition, morphology and thermal properties of copper nanopowders after natural aging of 10 years were studied. The copper nanopowders were produced by the method of electrical explosion of wires in different gaseous ambient...

This chapter deals with a brief account of thermal degradation of polymer-based blends, composites and nanocomposites. Different synthesising, preparation and characterisation methods of thermal degradation of polymer-based blends, composites and nanocomposites are discussed. Finally the applications, new challenges and opportunities for these ther...

The present chapter deals with a brief account on various types topics in flame retardant of polymer nanocomposites. This chapter discussed with different topics such as flame retardancy of polymer nanocomposite, recent developments in different techniques used for the flame retardancy, recent development of phosphorus flame retardants in thermopla...

Poly(Ethylene Terephthalate) (PET) is an industrially important material which is not treated specifically in any other book. Poly(Ethylene Terephthalate) Based Blends, Composites and Nanocomposites fills this gap and systematically guides the reader through all aspects of PET and its blends, composites and nanocomposites. It covers theoretical fun...

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 na...

There is much interest in biodegradable polymers for different uses and polyhydroxyalkanoates (PHAs) have potential applications in a broad range of areas from food packaging to biomedical applications. The book will provide a comprehensive overview of the recent accomplishments in the area of polyhydroxyalkanoates providing a resource that helps f...

The present chapter deals with a brief account on various types topics in polyelectrolyte: thermodynamics and rheology, structure and thermodynamics of polyelectrolyte complexes, polyelectrolyte: science and application, biological polyelectrolytes: relevance to nature and its interactions, polyelectrolyte hydrogels: thermodynamics, thermodynamic a...

An excellent, unique, and up-to-date reference book on polyoxymethylene, its compounds, and nanocomposites, specifically dealing with synthesis, characterization, processing, morphology, and applications. Polyoxymethylene Handbook: Structure, Properties, Applications, and Their Nanocomposites summarizes many of the state-of-the-art technological an...

Polyoxymethylene (POM) is a semicrystalline polymeric material belonging to engineering thermoplastics because of its low friction and wear characteristics and its excellent balance of mechanical properties and chemical resistance to most solvents, chemicals and fuels at room temperature. Hence, such polymers are used to serve as an alternative to...

Starch is a well-known polymer, naturally produced by plants in the form of granules by all green plants as an energy store and is a major food source for humans. Starch or amylum is a polysaccharide carbohydrate consisting of a large number of glucose units joined together by glycosidic bonds (Bul eon et al., 1998). Pure starch is a white, tastele...

This chapter presents a brief account of the various categories of food chemistry and technology along with the different parameters associated with them. Included in the discussion of food chemistry and technology are such issues as food security, nanotechnology in food applications, fro-zen food and technology, chemical and functional properties...

Nanocomposites were prepared using two bioresources, viz., cellulose nanofibers (CNFs) extracted from bamboo paper-pulp waste as the reinforcing phase and natural rubber (NR) as the matrix phase. CNFs with diameters up to 50 nm were isolated from bamboo pulp waste, and nanocomposites with 5 and 10% CNFs were obtained via two-roll mill mixing of sol...

This book offers a valuable reference source to graduate and post graduate students, engineering students, research scholars polymer engineers from industry. The book provides the reader with current developments of theoretical models describing the thermodynamics polyelectrolytes as well as experimental findings. A particular emphasis is put on th...

The present chapter deals with a brief account on various types of natural polymers such as cellulose, chitin, starch, soy protein, casein, hemicelluloses, alginates, polylactic acid and polyhydroxyalkanoates etc. Blends, composites and nanocomposites based on these polymers have been very briefly discussed. Finally the applications, new challenges...

Elastomers are becoming an inevitable part of day to day life. The materials based on elastomers have tremendous applications in almost all areas of life. The present chapter deals with a brief account on various types of elastomers, elastomeric based blends and interpenetrating networks (IPNs). Various classes of elastomers, and blends are address...

Polyoxymethylene (POM) is a semicrystalline polymeric material belonging to engineering thermoplastics because of its low friction and wear characteristics and its excellent balance of mechanical properties and chemical resistance to most solvents, chemicals and fuels at room temperature. Hence, such polymers are used to serve as an alternative to...

The field of elastomers, their composites and nanocomposites has gained a lot of interest in recent years. These composite materials have great significance both from the fundamental and application point of view. Since this field is growing at a faster rate, it is always necessary to address the structure, properties and applicability of such mate...