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. WebJan 24, 2024 · Classification of Polymers Based on Thermal Behaviour Based on the thermal behaviour, polymers are classified into two groups: a. Thermoplastic Polymers: …

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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 … Webconducting 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. hashset integer hashset new hashset

Classification of Polymers - Toppr

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 WebSep 7, 2024 · Polymer Chemistry: Crystallization Tendency. David Whisnant. Wofford College. The most common way of classifying polymers is to separate them into three … hashset integer s new hashset integer string

POLYMER CHEMISTRY - PowerPoint PPT Presentation

Classification of polymers ppt

Classification Of Polymer PowerPoint PPT Presentations

http://web.mit.edu/5.33/www/lec/poly.pdf WebDec 2, 2014 · Polymer ppt Malaviya National Institute Of Technology Jaipur 1 of 16 Ad. 1 of 16 Ad. Polymer classification Dec. 02, 2014 • 55 likes • 29,291 views Report ... Polymer …

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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. … WebPOLYMER 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 ...

WebPolyethylene 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 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.

WebResin/ 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% 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

WebSep 23, 2016 · 1. Origin. 2. Monomer Used. 3. Thermal Response. 4. Mode Of Formation. 5. Structure.

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 … boomerang achatWebNov 28, 2024 · Classification of Polymers based on its Structure. Based on structure, polymers are classified as Linear polymers, Branched-Chain polymers, and Cross-Linked … hashset interface in java hashset internally uses mcqWebApr 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 … hashset internally uses java 7WebTypes of Polymers Thermosets Thermoplastics Elastomers – Classification based on mechanical properties Hydrogels- Classification based on chemical properties … boomerang account passwordsWebMaterials Classification and Properties Metals, Ceramics, and Semiconductors Description: Properties of Materials. Physical. Mechanical. Chemical. Thermal. Electrical. Optical ... boomerang action parkWebClassification of Conducting Polymers: The conduction of electricity in this type of polymers is due to conjugation in the backbone of the polymer. The conjugation can be due to either pi electrons or due to doped ingredients. Conduction due to Conjugated Pi-Electrons: boomer and gio tickets