Physical properties of polymers a thermoplastic polymer is one that can be softened by heating and then formed into desired shapes by applying pressure. Synthetic high polymers list of high impact articles ppts. They are more flexible than the high density polyethylenes. The molar mass of the polymer is often very high m w 10 6, but with a broad molar mass distribution 236. Polymer science free download as powerpoint presentation. Eia standard, miniature and low profile molded body case sizes with j. Highdensity polyethylene hdpe consists primarily of. Lecture notes polymer engineering materials science and. Polymer synthesis classification polymerization reactions can be classified into two or three basic types. Synthetic high polymers list of high impact articles. Types of natural polymers and types of synthetic polymers. Fibres fibres are the thread forming solids which possess high tensile strength and high modulus. Apr 25, 2014 introduction a word polymer is a combination of two greek words, poly means many and meros meaning parts or units.
Polymer modified steel fibre reinforced concrete seminar and ppt with pdf report. The repeating units are usually obtained from low molecular weight simple compounds referred to as monomers. Light emitting polymers seminar pdf report and ppt. Various kinds of polymers and polymer matrix composites reinforced with filler particles have a wide range of. Polymer electrolytes are potential materials for solving the neverending demand for high energy density in energy devices. Introduction of polymers, types of polymers synthetic and natural. Natural rubber is a polymer of isoprene 2methyl1,3butadiene, see figure 1 in the form of folded polymeric chains which are joined in a network structure and have a high degree of flexibility see figure 2. These compounds have a more tensile strength to compress, more toughness and more absorption of energy. Standard practice for inplane shear response of polymer matrix composite materials by tensile test of a 45laminate d5379 standard test method for shear properties of composite materials by the vnotched beam method d4255. The term polymer is defined as very large molecules having high molecular mass 103107u. Chart and diagram slides for powerpoint beautifully designed chart and diagram s for powerpoint with visually stunning graphics and animation effects. A composite material also called a composition material is a material made from two or more constituent materials with significantly different physical or chemical properties that, when combined, produce a material with characteristics different from the individual components. The structure of the polymer determines if it is polar or nonpolar and this determines many of the.
Polymers portray the mass properties of polymer materials and have a place with the field of polymer physical science as a subfield of material science. Seminar on composite materials ppt report pdf download. The reaction conditions and the catalysts that produce poly ethylenes of low and high density are quite different. Solomon2 1 centre of research excellence in corrosion, research institute, king fahd university of petroleum and minerals, dhahran 31261, saudi arabia 2 corrosion protection and materials research laboratory, department of chemistry, faculty of science, university of. Growth opportunity and demand analysis, market forecast, 20172025 the gcc polymer industry in 2016 was estimated to grow by 5% and reached to 27. Polymer chemistry is a multidisciplinary science that arrangements with the compound combination and chemical properties of polymers. It provides the link between the molecular structure and the bulk properties. This page contains light emitting polymers seminar and ppt with pdf report. Processing and characterization of polyethylenebased composites p. This method is widely used in the plastic industry, especially in the compounding of poly vinyl. Seminar on composite materials ppt report pdf download what is composites. Polymer a compound consisting of longchain molecules, each molecule made up of repeating units connected together there may be thousands, even millions of units in a single polymer molecule the word polymer is derived from the greek words poly, meaning many, and meros reduced to mer, meaning part most polymers are based on carbon.
Polymers can be classified as plastics resins, elastomers rubber and fibres nylon, terylene the properties of polymer depend on their molecular configuration, the degree of polymerization, branching and cross linking. Polymer science and engineering morphology of semicrystalline. View and download powerpoint presentations on properties of polymers ppt. Polymer blends are mixtures of different homopoly mers, copolymers, and terpolymers.
Physical and mechanical properties of polymer composites with. Therefore, polymers can be defined as macromolecules high molecular weight compounds formed by linking large numbers of repeating units called monomers. Lecture notes polymer engineering materials science. Tech engineering chemistry or applied chemistry unit wise material with question and answers, jntu related old or previous question papers, powerpoint presentations, pdf files, word documents, and civil engineering. Another example of an addition polymer is polypropylene. Mar 14, 2015 polymer modified steel fibre reinforced concrete seminar and ppt with pdf report. High performance polymers market report 2023 comprehensive overview, market shares and growth opportunities high performance polymers market report covers the whole industry outlook, product types and applications. Solomon2 1 centre of research excellence in corrosion, research institute, king fahd university of petroleum and minerals. Qatar was recorded as the fastest growing consumer of polymers in the region which is growing at a rate of 14% annually. Objectives polymers national council of educational. Polymer science and technology is not only a fundamental science but also important from the industrial and commercial point of view. As applied to polymers, morphology involves the study of the arrangement of polymer molecules into crystalline and amorphous regions. As a community, we ironmen work together and support each other. Polymer electrolytes are electrolytic materials that offer many advantages in the area of large, high energy density batteries for electric propulsion and in fuel cells for electric vehicle or stationary applications.
In polymer chemistry, polymerization is a process of reacting monomer molecules together in a chemical reaction to form threedimensional networks or polymer. Introduction to materials science, chapter 15, polymer structures university tennessee, dept. Polymer matrix composites in automobilesw 157 this case study illustrates the potential of pmcs by examining the case of a highly integrated pmc body shell, as depicted in figure 71. A few crosslinks are introduced in between the chains, which help the polymer to retract to its original position after the force is released as in vulcanised rubber. Noorunnisa khanam1 and mariam al ali almaadeed1,2 1center for advanced materials, qatar university, 27 doha, qatar 2materials science and technology program, qatar university, 27 doha, qatar abstract thermoplastic matrix polymer composites have gained commercial success in the semistructural. Noorunnisa khanam1 and mariam al ali almaadeed1,2 1center for advanced materials, qatar university, 27 doha, qatar 2materials science and technology program, qatar university, 27 doha, qatar abstract thermoplastic matrix polymer composites. Synthetic high polymers high impact list of articles ppts journals 10592. Thermosetting polymers become permanently hard at elevated temperatures and pressures. Eia standard, miniature and low profile molded body case sizes with jlead design.
These are also referred to as macromolecules, which are formed by joining of repeating structural units on a. It covers the costing, sales, revenue details and forecasts of top players. History polymers are more commonly referred to as plastics since people are more familiar with plastic products. A large molecule macromolecule built up by repetitive bonding covalent of smaller molecules monomers generally not a well defined structure, or molecular weight. Chemistry notes for class 12 chapter 15 polymers the word polymer has a greek origin.
Ppt polymers powerpoint presentation free to download. Polymer crystallinity 2 high density polyethylene is an example of a crystalline polymer. In a first section, the various synthetic pathways and different surface materials are introduced and explained, followed by a second section covering important. Polymers are the high molecular weight compounds obtained by repeated union of simple molecules. Review processing and characterization of polyethylenebased. Even for the same type of polymer, each of these distributions will describe a polymer that behaves differently the red and green plots are for low and high polydispersity materials the blue plot shows a high polydispersity material with a additional high molecular weight component. Materials scientists, polymer chemists, surface physicists and materials engineers will find this book a complete and detailed treatise on the field of polymer brushes, their synthesis, characterization and manifold applications. Review processing and characterization of polyethylene. Apr 06, 2015 light emitting polymers seminar and ppt with pdf report. Basically, this body shell is the major loadbearing structure of the automobile. Under some conditions welldefined chainfolded crystals form. The author has interwoven discussion of these subjects with the basics in polymer science and technology. The range of avx conductive polymer capacitor series includes.
Technical whitepaper dielectric properties of polymers. Good strengthtoweight ratios for certain but not all polymers. Dna carbohydrates 4 4 4 6 6 7 9 10 10 10 10 10 19 synthetic and biological polymers polymers. The critical feature of a monomer in polymerization.
Stressstrain behavior of different types of materials. Our new crystalgraphics chart and diagram slides for powerpoint is a collection of over impressively designed datadriven chart and editable diagram s guaranteed to impress any audience. Polymers with higher crystallinity are denser, stiffer. Polymer morphology morphology is the science of form and structure. Nonmetallic elements have a high number of valence electrons four or more and prefer to gain electrons, not lose them, in chemical reactions. The objective of polymer blending is a practical one of achieving commercially viable products through either unique properties or lower cost than some. Polymer chemistry list of high impact articles ppts. Lecture notes polymer physics materials science and. The structure of the polymer determines if it is polar or nonpolar and this determines many of the dielectric properties of the plastic. Polymer chemistry, sixth edition nanjing university. This website and its content is subject to our terms and conditions. Polymer is defined as a chemical substance of a high molecular mass formed by the combination of a large number of simple molecules, called monomers.
High performance polymer powerpoint ppt presentations powershow. He in1919 first published this concept that high molecular mass compounds were composed of long covalently bonded molecules. Polymers in polymer chemistry, polymerization is a process of reacting monomer molecules ppt. Tes global ltd is registered in england company no 02017289 with its registered office. Polymer electrolyte an overview sciencedirect topics. Chemical engineering 160260 polymer science and engineering. Macromolecules formed by the covalent attachment of a set of small molecules termed monomers. Carothers, a great and tragic figure in the history of polymer science, suggested that most polymers could be classified into two broad categories, condensation or addition. Roller honors chemistry mclean county unit district no. The steel fiber reinforced concretes are the building materials which are more significance very fast because of the enhancing demand for high building properties in the building materials. Steel fibre reinforced concrete seminar ppt with pdf report. A polymer is a large molecule macromolecule composed of repeating structural unit connected by covalent chemical bonds. The concept of high performance in ceramic coating relates to a multitude of somewhat highly specialized ceramic materials.
Sep 09, 2014 polymers can be classified as plastics resins, elastomers rubber and fibres nylon, terylene the properties of polymer depend on their molecular configuration, the degree of polymerization, branching and cross linking. Avx has developed broad range of polymer solid electrolytic capacitors offering very low esr, high bulk capacitance and improved capacitance retention at higher frequencies. Measurements of electrical properties dielectric constant alternating current. Seminar on polymer science under the guidance of dr. Such mixers are also known as high speed or turbo mixers. Definition 3 polymers are high molecular weight compounds whose structures are composed of a large number of simple repeating units. Sumit thakur ece seminars light emitting polymers seminar and ppt with pdf report. Polymer is a generic name given to a vast number of materials of high. The concept of highperformance in ceramic coating relates to a multitude of somewhat highly specialized ceramic materials. Find materials for this course in the pages linked along the left. Polymers are formed by linking monomers through chemical reactioncalled polymerization. Surfactant is then redistributed, with more adsorbed on swollen polymer. It is difficult to gain the repeatability of the results characteristics of the polymerization products, namely, molar mass, dispersity, and degree of crosslinking 242,268.
Polymers are amazingly huge atoms that are crucial to our extremely presence. Normal community high school was established in 1905. Physical and mechanical properties of polymer composites. Polymer electrolytes are defined as linear macromolecular chains bearing a large number of charged or chargeable groups when dissolved in a suitable solvent. Our continued mission is to establish a community of learners, pursuing excellence every day. Additionally, if you select the title of the unit, it will take you to our chemistry department site. Find powerpoint presentations and slides using the power of, find free presentations research about properties of polymers ppt.
Introduction to materials science, chapter 15, polymers. At high enough shear rates, chains start to break and. Crosslinking chemistry for highperformance polymer networks. Kharif sorghum genotype spv 1786 with excellent quality characters and high yield ppt version pdf version. Polymers is chains of smaller molecular components called monomers. Technical whitepaper dielectric properties of polymers introduction understanding the structure of plastics and in particular, the fluoropolymers not only gives a. After a brief introduction to the various types of polymers in use and the size and impact of the polymer processing industry, this overview focuses on the most important processes for. Strain stress mpa highly elastic elastomer ductile polymer semi crystalline polymer plastichigh temperature thermoplastic brittle polymer glassy polymerlow temperature thermoset figure a1. Various kinds of polymers and polymermatrix composites reinforced with filler particles have a wide range of. Biopolymers can be complex and nice introduction to materials science, chapter 15, polymer structures university tennessee, dept. Light emitting polymers seminar pdf report and ppt how. These materials exist in countless form and numbers because of.
Polymer blends are physical mixtures of two or more polymers withwithout any chemical bonding between them. Upon cooling, secondary bonds tend to pull the molecules together into parallel bundles, not perfectly crystalline but not amorphous either. Testimony to the high acceptance of this book is that early demand required reprinting and updating of each. Polymers ppt free download as powerpoint presentation.
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