Low . Phases + Defects • Casting • Metal Forming • Welding • Powder Processing • Machining • Vacancies • Dislocations • Twins • Stacking Faults • Grain Boundaries • Voids • Cracks + Residual. Bernald Cabrera Chemistry; IIT JEE Chemistry: Polymers; Discussion Presentation Transcript . Malaviya National Institute Of Technology Jaipur, No public clipboards found for this slide, Graduate Engineering Trainee at Renata Precision Components Pvt Ltd. Clipping is a handy way to collect important slides you want to go back to later. Number of Views:82. Number of grams/mole. Polymers with conjugated π-electron (i. e. system have C=C conjugated bonds) backbones display unusual electronic properties such as low energy optical transition, low ionization potentials, and high electron affinities. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Microstructure. range or material properties based on their: Functional Groups. Type: ppt. 100% 100% found this document useful, Mark this document as useful. Treatments. A Hydrocarbon backbone being a long chain of linked carbon and hydrogen atoms, possible due to the tetravalent nature of carbon.A few examples of a hydrocarbon backbone polymer are polypropylene, polybutylene, polystyrene. Stress . Characterizing a Polymer Structure Classification Synthesis 4. polymer ppt 1. Polymer Chemistry Part 1 Polymer Characteristics and Classifications 2. Crystalline polymers Areas in polymer where chains packed in regular way. See our User Agreement and Privacy Policy. polymer structures Each parameter is important to the properties Each parameter is important to Polymer Chemistry, Chem 466, Spring 2014, January 14, 2014 . Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Polymersstructures Polymers consist of long chains, which are composed of simple structural units (mers) strung together. POLYMER CHEMISTRY A Presentation for the Introductory Seminar in Chemistry The University of Akron October 15, 2008 Traian-Ovidiu Gheorghiu * * * What is a polymer ? correspond to . Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. See our User Agreement and Privacy Policy. POLYMER STRUCTURE D. JAGAN MOHAN New Technology Research Centre University of West Bohemia Plzen, Czech Republic Thank You mer mer mer mer mer mer mer mer mer mer ... – PowerPoint PPT presentation . These identical structures, we understand as a unit made up of two or more molecules, join together to form a long chain. Polymers and Polymerizations—Architecture 12 The number of complementary reactive sites and geometry of monomer determine macromolecular structure Macromolecular architecture affects greatly the … material properties on the macro-scale More tangles + more touching!!! Both amorphous and crystalline areas in same polymer. Looks like you’ve clipped this slide to already. You can change your ad preferences anytime. Polymers : Polymers V.S.Saravana mani Head and associate professor, Department of chemistry Annapoorana engineering college, salem. The Structure and Properties of Polymers By:Sawsan D.Shubbar Visit www.worldofteaching.com For 100 s of fee powerpoints What is a polymer? Polymers make up all sorts of materials that are all around us! Polyethylene (PE), having the simple structure, is made from ethylene CH2=CH2 via a polymerization process that POLYMER Structure. Customer Code: Creating a Company Customers Love, Be A Great Product Leader (Amplify, Oct 2019), No public clipboards found for this slide. 1. Displaying Powerpoint Presentation on The Structure and Properties of Polymers available to view or download. Thermo-mechanical . 0% 0% found this document not useful, Mark this document as not useful. • How are View CHAPTER 14 POLYMER STRUCTURES.ppt from ME 136P at Mapúa Institute of Technology. Mers are simple organic molecules. A long molecule made up from lots of small molecules called PPT. • Solubility change with change in polymer structure. Polymer- can have various lengths depending on number of repeat units, Relatively few polymers responsible for virtually all polymers sold – these are the bulk or commodity polymers, 1. Hydrocarbon polymers average of 100 repeating units necessary but only 40 for nylons. DNA Carbohydrates 4 * 4 4 6 6 7 9 10 10 10 10 10 19 Synthetic and Biological Polymers Polymers: Macromolecules formed by the covalent attachment of a set of small molecules termed monomers. Related titles. Introduction: Organic polymers are normally insulators, it can be presumed that conducting polymers must have an unusual structure. Sarah Reyes CHAPTER 5: STRUCTURE OF POLYMERS "The time has come," the Walrus said, "To talk of many things: Of shoes--and ships--and sealing-wax-- Of cabbages--and kings--" Lewis Carroll, Through the Looking Glass (1872) shoes, ship, sealing wax, cabbage, and a king The "many things" listed by the Walrus are actually very similar in chemical composition and structure. Structured Polymers is the world’s first colored ink manufacturer for industrial 3D printers that provides true color to the core. 2. Polymers are very useful materials because their structures can be altered and tailored to produce materials 1) with a range of mechanical properties 2) in a wide spectrum of colors and 3) with different transparent properties. H H H C C. H H H Polymers are not restricted to monomers of the same chemical composition or molecular weight and structure. of Polymers. If you continue browsing the site, you agree to the use of cookies on this website. If you continue browsing the site, you agree to the use of cookies on this website. Addition polymers (alkenes and other unsaturated compounds undergo addition polymerisation) Molecular Structure of Polymers Linear High Density Polyethylene (HDPE), PVC, Nylon, Cotton Branched Low Density Polyethylene (LDPE) Cross-linked Rubber Network Kevlar, Epoxy Chain Length: 1000 - 2000 Low-Density Polyethylene (LDPE) LDPE Conditions: 200 °C, 15 atmosphere. Now customize the name of a clipboard to store your clips. MSE 2090: Introduction to Materials Science Chapter 14, Polymer Structures 22 Thermoplastic and thermosetting polymers Depending on the response to temperature increase, two types of polymers can be distinguished: (1) Thermoplastic polymers:soften and liquefy when heated, harden when cooled (reversible). Manipulate and rotate polymer structures in 3-dimensions . Electro-magnetic. If you continue browsing the site, you agree to the use of cookies on this website. Polymer Structure. Arwie Mendoza chemical interactions on the . Print. Monomers do not have to be of a single atom type, but when referring to a specific monomer it is understood to be of the same composition structure. The reactant for the polymerization reaction. Crystallinity in Polymers Brandon Rawlings February 12, 2009 Crystalline Structures Single Crystals Polymer Spherulites Sharmistha Datta & David J. W. Grant, Nature ... – A free PowerPoint PPT presentation (displayed as a Flash slide show) on PowerShow.com - id: 3d95a3-ZTk4Z 3. If it contains more than one mer, it is called polymer Isomersare molecules those contain same number of … Structure. Crystal. Polymers. 1. VMSE: Polymer Repeat Unit Structures. Carousel Previous Carousel Next. Definitions Polymer – A very long molecule composed of repeating units connected by covalent bonds Monomer – A repeated unit in a polymer. These are special molecules that will link together such as double link molecules. Polymers are classified as: (1) Man-made or synthetic polymers that are synthesized in the laboratory; (2) Biological polymer that are found in nature. Polymer Composition Most polymers are hydrocarbons – i.e. M. high . Some natural polymers are composed of one kind of monomer. About 1 results (0.76 milliseconds) Sponsored Links. You can change your ad preferences anytime. In basic terms, a polymer is a long-chain molecule that is composed of a large number of repeating units of identical structure. M. Not all chains in a polymer are of the same length — i.e., there is a distribution of molecular weights . For example, Nylon, which contains nitrogen atoms in the repeated unit backbone. Category: Tags: polymer | structure | physical | polymer. A long molecule made up ... – A free PowerPoint PPT presentation (displayed as a Flash slide show) on PowerShow.com - id: 425e16-OWI2N - 2013 - Preparation of a bifunctional pyrazosulfuron-ethyl imprinted polymer with hydrophilic external layers by reversi(2) SOLO.pdf. huge. Also, there are polymers which instead of carbon have other elements in its backbone. Save Save POLYMERS.ppt For Later. Effect of Structure on Properties of Polymers - 35.4 Effect of Structure on Properties of Polymers 35.3 Synthetic Polymers (SB p.169) (a) PE (b) CH2 = CH2 (c) (d) LDPE: plastic bags, wash bottles and food wraps ... | PowerPoint PPT presentation | free to view Provided by: Pav984. Chapter 5 - 3 Polymer Composition Most polymers are hydrocarbons i.e., made up of H and C Saturated hydrocarbons Each carbon singly bonded to four other atoms Example: Ethane, C2H6. Introduction : Introduction Polymers (derived from the Greek words, poly or many and mer means units or parts) are macro molecules formed by the combination of a large … If you continue browsing the site, you agree to the use of cookies on this website. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. These polymers are nearly impossible to soften when heating without degrading the underlying polymer structure and are thus thermosetting polymers. Yang et al. Slides: 35. STRUCTURES See our Privacy Policy and User Agreement for details. 4. Thermoplastic and Thermosetting Polymers; Basic Polymer Structure; Reading Assignment 2; What are Scientists Doing Now to Improve Polymers? Polymers are made of basic units called mers These are usually Hydrocarbons –where major constituent atoms are Hydrogen and Carbon When structure consists of only one mer, it is monomer. Component. – A free PowerPoint PPT presentation (displayed as a Flash slide show) on PowerShow.com - id: 423e02-NWM2M If you continue browsing the site, you agree to the use of cookies on this website. Embed. made up of H and C Saturated hydrocarbons Each carbon bonded to four other atoms H H C H H C H H CnH2n+2 4 5. We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. Glass Transition Temperature (Tg) • The temperature at which a polymer transitions from a hard, glassy material to a soft, rubbery material. All the same size. They can have a . Looks like you’ve clipped this slide to already. The word “Polymer” is derived from two Greek words, ‘Poly’ that means many (numerous) and ‘Mer’ which means units. nano-scale. Clipping is a handy way to collect important slides you want to go back to later. Polymersstructures There are lots of different types of mers that can join together to form polymers. Share. Most natural and synthetic polymers, however, are made up of two or more different types of monomers; such polymers are known as copolymers. more less. Backbone. The Structure and Properties – Increases with short branch – Decreases with long branch – Decreases with crosslinking Crosslinked polymer 3. 1. See our Privacy Policy and User Agreement for details. 5 • What are the basic microstructural features? Simple for small molecules . Nephtalie Cruz Write a Comment. We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. Tensile strength measures the forces needed to snap a polymer. Avg rating: 3.0/5.0. Desiree Jane Enriquez -:polymer:- submitted by:- submitted to:- khinyaram kakar jyoti joshi (2013uee1597) 2. content:- 1. introduction 2. classification of polymer 3. types of polymerization 4. characteristics of polymers 5. application of polymers 3. introduction a word polymer is a combination of two greek words, “poly” means “many” and “meros” meaning “parts or units”. Engineering polymers include natural materials such as rubber and synthetic materials such as plastics and elastomers. Download The Structure and Properties of Polymers PPT for … The Structure and Properties of Polymers Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Most of the polymers around us are made up of a hydrocarbon backbone. Keep thinking about how . We use proprietary techniques to create new and traditional polymers with significantly improved properties at lower costs and in larger quantities. MOLECULAR WEIGHT • Molecular weight, M: Mass of a mole of chains. The Structure and Properties of Polymers Also known as Bonding + Properties What is a polymer? Now customize the name of a clipboard to store your clips. CHAPTER 14: POLYMER STRUCTURES ISSUES TO ADDRESS. Structure | physical | polymer up from lots of different types structure of polymers ppt mers that join... Long-Chain molecule that is composed of repeating units connected by covalent bonds Monomer a... ; What are Scientists Doing now to improve polymers: Mass of a hydrocarbon backbone ( 0.76 milliseconds ) Links... Natural materials such as rubber and synthetic materials such as plastics and elastomers polymer | Structure | |! Profile and activity data to personalize ads and to provide you with relevant advertising polymer! 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Polymer with hydrophilic external layers by reversi ( 2 ) SOLO.pdf of fee powerpoints What is long-chain. At lower costs and in larger quantities polymers V.S.Saravana mani Head and associate professor, of! You continue browsing the site, you agree to the use of on! Category: Tags: polymer | Structure | physical | polymer are special molecules that will link together such rubber...