Polymer chains - PowerPoint PPT Presentation
Dynamics of M acromolecules Jovan Mijovic, Polytechnic University, DMR-0101182
Segmental. +. Dipole moment = q × ℓ. ℓ. _. Normal. (Type-B). || (Type -A). Dynamics of M acromolecules Jovan Mijovic, Polytechnic University, DMR-0101182. For animation: click on the picture.
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Structures and properties of polymers
Structures and properties of polymers. Part 2. Condensation 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.
By monty
How to walk on water and survive bullet impacts?
How to walk on water and survive bullet impacts?. Rheology of complex fluids and simulated polymer gels. Explore SDSU 2012 Joris Billen PhD Candidate Computational Science San Diego State University & Claremont Graduate University Supervisor: Prof A. Baljon, Department of Physics (SDSU).
By kynton
Polymer Colloid Science
Polymer Colloid Science. Jung-Hyun Kim Ph. D. Nanosphere Process & Technology Lab. Department of Chemical Engineering, Yonsei University National Research Laboratory Project the financial support of the Korea Institute of S&T Evaluation and Planning (KISTEP) made in the program year of 1999.
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HOW TO INCREASE AGE OF TAJ MAHAL?
HOW TO INCREASE AGE OF TAJ MAHAL? . PRESENTATION BY: J V Prem Kumar Reddy A S unil Kumar Ampati Hareesh. History of taj mahal. Taj Mahal was built by Mughal emperor Shah Jahan in memory of his third wife, Mumtaz begam . Taj M ahal was built as a symbol of love .
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Properties of plastics
Properties of plastics. You should understand: That monomer used affects a plastic’s properties Plastic’s properties change in different conditions Why plastic is good at it’s job. Plastic. Plastic made up of large chains of monomers Formed in polymerisation reactions
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Drawing the structure of polymer chains
Electronic structure of conjugated polymers. This chapter is based on notes prepared by Jean-Luc Brédas, Professor at the University of Georgia. 1. From molecules to conjugated polymers: Evolution of the electronic structure
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Controlled Synthesis of Polymer Brushes by Atom Transfer Radical Polymerization
Controlled Synthesis of Polymer Brushes by Atom Transfer Radical Polymerization. Jinsheng Zhou Membrane Research Group Department of Chemistry. Introduction. What is Polymer Brushes?
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Conformation of polymers
Conformation = stereostructure of the molecule defined by its sequence of bonds and torsion angles. Conformation of polymers. Examples of different random coil conformations. Polymer coil size. Gaussian coil. 1) Average of end-to-end distance (mean square end-to-end distance).
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Louis R. Nemzer Nova Southeastern University APS March Meeting Q45.3 – 3/5/14
Enzyme Entrapment in Polyaniline Biosensors Observed via Fluorescence Anisotropy and Antiquenching. Louis R. Nemzer Nova Southeastern University APS March Meeting Q45.3 – 3/5/14. Elevation = 1600 m. Elevation = 1 m. Introduction.
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Orientation
Orientation. Orientation. Almost all injection molded parts have some degree of frozen-in molecular orientation The degree is determined by the molecular weight, relaxation characteristics, and processing conditions Orientation greatly affects the properties of the part Shrinkage Strength
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Process Flow : Overhead and Cross Section Views ( Diagrams courtesy of Mr. Bryant Colwill )
Process Flow : Overhead and Cross Section Views ( Diagrams courtesy of Mr. Bryant Colwill ). Step 1. Step 2. Step 3. Step 4. Step 5. Step 6. Step 7. Step 8. Step 9. Step 10. Step 12. Step 11. T. T. T. T. T. T. T. T. T. T. T. T. T. T. T. T. T. T. T. T. T. T. T.
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Homemade Science Show 2009
Homemade Science Show 2009. Pack 300. Welcome. “Homemade Science” is where we get to do science experiments with items found in your house! Have fun while learning. DO NOT TRY THESE EXPERIMENTS WITHOUT ADULT SUPERVISION!!!. Opening Ceremony. Flag Ceremony – Tiger Den Cub Scout Promise:
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Types of Primary Chemical Bonds
+. -. +. -. +. -. +. -. +. +. +. +. e-. e-. +. +. +. e-. +. +. +. Types of Primary Chemical Bonds. Isotropic, filled outer shells. Metallic Electropositive: give up electrons Ionic Electronegative/Electropositive Colavent Electronegative: want electrons
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The oil Industry
The oil Industry. C.2.1 Compare the use of oil as an energy source and as a chemical feedstock C.2.2 Compare catalytic cracking, thermal cracking and steam cracking. ( Students should include the environmental impact of the processes and their products .)
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Polymers and Composites
Polymers and Composites. by Joseph A. Castellano, Ph.D. RESEED Silicon Valley. Adapted from Focus on Physical Science, California Grade 8 Glencoe/McGraw-Hill, Columbus, Ohio (2007) .
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Adhesives which harden without chemical reaction
Adhesives which harden without chemical reaction. Water soluble.
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Vulcanisation of polymers & Biodegradable plastics
Vulcanisation of polymers & Biodegradable plastics. +. Rubber or related polymers. sulfur / equivalent "curatives". more durable materials. chemical process. These additives modify the polymer by forming crosslinks (bridges) between individual polymer chains.
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9.1 Introduction
9.1 Introduction. 9.2 Functional . 9.3 Ring-forming reactions. 9.4 Crosslinking. 9.5 Block and graft copolymer formation. 9.6 Polymer degradation. 9.1 Introduction. Applications of chemical modifications :. Ion-exchange resins Polymeric reagents and polymer-bound catalysts
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Section 11.3—Polymers
Section 11.3—Polymers. How do polymer properties vary for various applications?. Polymers & Monomers. Polymer – Very large molecules built from chains or networks of smaller molecules (usually 1,000 to 50,000 smaller molecules). Monomer – The smaller molecules making up the polymer.
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