2024 Classification of polymers ppt

Classification of polymers ppt

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August undefined, 2024

WebClassification of Liquid Crystals 12Types of LC order:(note- they lack long-range positional order) 1. Nematic-directional order with imperfect alignment 2. Smectic-layered arrangement of mesogens 3. Cholesteric-periodic twist about an axis to direction of n. - Usually arises from chiral molecules (e.g. such as having asymmetric carbon atoms). 4. WebCLASSIFICATION POLYMERS Basis on interaction with water Non‐biodegradable hydrophobic Polymers:‐ E.g. Polyvinyl chloride, Soluble Polymers:‐ E.g. HPMC, PEG Hydro gels:‐ E.g. Polyvinyl pyrrolidine Based on polymerisation method Addition Polymers:‐ E.g. Alkane Polymers Condensation polymers:‐ E.g. Polysterene and Polyamide

Classification of Polymers - selfstudypoint.in

WebApr 8, 2024 · According to the chemical structure, biopolymers used in biopackaging are produced from renewable sources and they can be classified into three major classes: … WebApr 3, 2024 · polymer, any of a class of natural or synthetic substances composed of very large molecules, called macromolecules, that are multiples of simpler chemical units … my hearse company

Structures and properties of polymers - University of York

WebClassification of Polymers: There are several ways of classification of polymers based on some special considerations. Based on Source: Under this type of classification, there… WebOct 19, 2014 · Classification based on structureLinear polymers:- consist of long and straight chains. Example:- pvcBranched chain polymers:- contain linear chains having some branches, e.g., low density polymer.Cross linked chain polymers:- formed from bi-functional and tri-functional monomers and contain strong covalent bonds e.g. bakelite, melamine. WebNov 28, 2024 · Classification of Polymers based on its Structure. Based on structure, polymers are classified as Linear polymers, Branched-Chain polymers, and Cross-Linked … ohio dmv hilliard ohio

Classification Of Polymer On Different Basis - SlideShare

Polymer classification - SlideShare

WebSep 7, 2024 · Polymer Chemistry: Crystallization Tendency. David Whisnant. Wofford College. The most common way of classifying polymers is to separate them into three … WebView Introduction_to_Materials.ppt from IED PRE-AP at Elkins High School. ... hardness, and texture Chemical Properties – Reactivity to acid, oxygen, and flammability Classification of Elements Elements Metals Nonmetals Metalloids ... force is released Natural or synthetic material Vulcanization Chemical process used to form strong bonds ... myhearst.com career hearstedgeWebPolyethylene Terephthalate A clear, tough, polymer with exceptional gas and moisture barrier properties. PETs ability to contain carbon dioxide (carbonation) make it a good choice in soft drink bottles. 3 HDPE High Density Polyethylene Used in milk, juice and water containers in order to take advantage of its protective barrier properties ohio dmv holidays

"Web2] Classification Based on Structure of Polymers Classification of polymers based on their structure can be of three types: (i) Linear polymers: These polymers are similar in … " - Classification of polymers ppt

Classification of polymers ppt

WebTypes of Polymers Thermosets Thermoplastics Elastomers – Classification based on mechanical properties Hydrogels- Classification based on chemical properties … WebClassification of polymers: Classification based on source of availability: 1. Naturally occurring polymers: These occur in plants and animals and are very essential for life. …

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WebSomaiya Vidyavihar Digital Repository: Home WebPolymers are large bunch of monomer units, normally in the range of few thousand to 1,00000 units. The properties of polymers are very different with that of monomers. Polymers are of many types, but our area of interest …

WebA polymer is a large molecule also called macromolecule, composed of repeating structural units typically connected by covalent chemical bonds. 3 Polymer Synthesis Is the process of combining many small molecules … WebMaterials Classification and Properties Metals, Ceramics, and Semiconductors Description: Properties of Materials. Physical. Mechanical. Chemical. Thermal. Electrical. Optical ... shear, torsion. Deformation. Hardness. Chemical Properties ... – PowerPoint PPT presentation Number of Views: 1745 Avg rating:3.0/5.0 Slides: 17 Provided by: jilljo

WebMar 21, 2024 · HDPE Polyvinyl chloride, or PVC or V Excellent clarity, puncture resistance and cling Film vinyl can breathe, making it ideal for meats Vinyl Low density polyethylene Makes bottles that requires flexibility Produces grocery bags and garbage bags, shrink and stretch film and the coating for milk cartons LDPE WebOct 24, 2014 · 1.2.1 Classification Based upon Polymer Structure (1) Homochain polymers : Polymers having all carbon atoms along their backbone are important examples of …

WebCondensation polymers Polymers formed by condensation reaction that’s used to make esters Need at least two suitable functional groups per monomer Terylene- a polyester - is a typical condensation polymer Condensation polymers Nylon + Terylene – linear polymers ideal for making fibres Nylon – polyamide formed from condensation of a dicarboxylic …

WebPowerPoint Presentation Last modified by: Patrick Tresco Created Date: 1/1/1601 12:00:00 AM Document presentation format: On-screen Show ... Structure of Some Common Polymers Chemical Structure of Some Common Polymers Chemical Structure of Some Common Polymers Classification- Chain Architecture: Linear Structures Polymer … ohio dmv handbookWebClassification of polymers: Polymers(synthetic) 1) Thermoplastics (plastics) — linear, some cross -linking can be melted and reformed on heating a) Amorphous — no ordered … ohio dmv grove city ohioWebView Classification Of Polymer PPTs online, safely and virus-free! Many are downloadable. Learn new and interesting things. Get ideas for your own presentations. Share yours for … my hearst log inWebNatural polymers include such materials as silk, shellac, bitumen, rubber, and cellulose. However, the majority of polymers or plastics used for engineering design are synthetic and often they are specifically formulated or “designed” by chemists or chemical engineers to serve a specific purpose. myhearst.com login ssoWebPOLYMER CHEMISTRY CLASSIFICATION OF POLYMERS 8 Equation 3 Since 1,2/ 3,4 /1,4 linking makes it bi functional. In all these cases one double bond still remains unreacted. But under appropriate reaction conditions such as high temperature or crosslinking reactions, the molecule can undergo additional reaction at this double bond .Butadiene thus ... ohio dmv electronic title searchWebResin/ pre-polymer/ oligomer- 40 to 100% (typically 55-65%) • Provides polymer properties, including modulus, toughness, glass transition temperature, and durability. Reactive diluent or monomer (styrene commonly)- 0-60% (typically 35-45%) • Viscosity control • Lower cost • Improve wetting behavior Initiator (catalyst)--1 to 3% myhearst.com loginWebconducting polymers The result is a class of polymers that can be oxidized or reduced more easily and more reversibly than conventional polymers. The effect of this oxidation or reduction on polymer is called doping, i. e. convert an insulating polymer to conducting one. ohio dmv holiday schedule