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Illinois ABE 446 Lecture 3: Quantum Dots and Polymers
11 Feb 2010 | | Contributor(s):: Kaustubh Bhalerao
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Balloon Skewer Relay Race
29 Jun 2020 | | Contributor(s):: Amber Genau
Do you think you could get a bamboo barbecue skewer through a balloon without popping it? With a little dish soap and some practice, I bet you could! Skewering a balloon is a fun and inexpensive way to demonstrate the structure-dependent properties of polymers. Polymers are made...
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Calculating heat of fusion of polyethylene using Polymer Modeler
28 Jan 2019 | | Contributor(s):: Lorena Alzate-Vargas, Benjamin P Haley, Alejandro Strachan
The main objective of this Learning Module is to determine the heat of fusion of a polytheylene sample using molecular dynamics.
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CD Injection Molding I: Navier-Stokes
10 Apr 2019 | | Contributor(s):: Adam Powell
State simplifying assumptions which can be made regarding radial injection molding of liquid polycarbonate polymer into a CD mold, and simplify the cylindrical form of the Navier-Stokes equations accordingly.
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CD Injection Molding II: Shear Stress
09 Apr 2019 | | Contributor(s):: Adam Powell
Solve the cylindrical Navier-Stokes equations simplified in Part I to give the velocity profile in radial injection molding of a CD, and calculate the shear stress based on this velocity profile.
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Coextrusion of Multilayer Polymer Sheets
16 May 2019 | | Contributor(s):: Adam Powell
Sketch the flow profile of a multilayer polymer flow through an extrusion die and beyond it, and predict the final layer thickness distribution.
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Cross-Link Polymer
16 Apr 2020 | | Contributor(s):: Nano-Link Center for Nanotechnology Education, Deb Newberry, Billie Copley, Jim Marti (editor), Laura Arndt (editor)
This module allows students to investigate forces and interactions at the molecular scale by mixing different liquids with a cross-linked polymer. The polymer (sodium polyacrylate) is similar to the structure found in cellulose and collagen. The interactions are dependent upon the charge...
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Exploring Surface Energy of Polymers by Contact Angle Estimation
03 Dec 2020 | | Contributor(s):: Fred Okoh, NNCI Nano
Students will qualitatively and quantitatively estimate contact angles of polymers and compare their surface energy. They will use a variety of polymer sheets onto which they will place drops of water. After observing the shape of the drop, they will take digital photographs of the drop, print...
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Finite Differences in Heat Conduction
19 Aug 2019 | | Contributor(s):: Adam Powell
Calculate computational work required to model heat conduction using finite differences with explicit timestepping.
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Light Extraction by Changing Composition of Material
06 Jan 2020 | | Contributor(s):: Sidhu Rano, NNCI Nano
This activity has been designed to have students explore light emitting diodes (LED) and the importance of index of refraction in improving LED efficiency. This activity investigates the tune-ability of a polymer’s index of refraction by using a macromodel LED.
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On-Line Lab: Determination of the Glass Transition Temperature in Polymer
27 Mar 2020 | | Contributor(s):: Robert A Heard
The following can be used as a lab for a lab on Glass Transition Temperature in Polymers in an introductory level lab in Material Science. Attached: Experiment in a Word Document; Video of Experiment
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On-Line Lab: Elastic Modulus Testing of a Polymer
27 Mar 2020 | | Contributor(s):: Robert A Heard
The following can be used as a lab testing the Elastic Modulus of a Polymer Film in an introductory level lab in Material Science.Click here to view the accompanying Video of the ExperimentOutcomeYou are only testing the elastic behavior of the polymer. Your observations should...
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Polímeros de Anillo (Ring Polymers)
24 Apr 2020 | | Contributor(s):: Nano-Link Center for Nanotechnology Education, Deb Newberry, NISE Net, Rodfal A. Rodríguez (editor), María T. Rivera (editor)
Este módulo es una variación de la actividad sobre los polímeros entrecruzados o reticulados y presenta mucho del mismo trasfondo de la estructura y propiedades de los polímeros. En esta versión se utiliza una forma de poliacrilato de sodio con una...
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Polímeros Entrecruzados o Reticulados (Cross-Link Polymer)
22 Apr 2020 | | Contributor(s):: Nano-Link Center for Nanotechnology Education, Deb Newberry, Billie Copley, Laura Arndt (editor), jim Marti (editor), Rodfal A. Rodríguez (editor), María T. Rivera (editor)
Este módulo les permite a los estudiantes investigar las fuerzas e interacciones a escala molecular mezclando diferentes líquidos con un polímero entrecruzado/reticulado. Este polímero (poliacrilato de sodio) comparte similitudes estructurales con la celulosa y...
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Polyaniline Synthesized Conducting Polymer for Applicable Uses as Nanomaterials
06 Jan 2020 | | Contributor(s):: Mark Dignan, NNCI Nano
This lesson introduces students to polyaniline, a conducting polymer. It demonstrates how nanofibers significantly improve the processing of polyaniline and its performance as a conventional application involving polymer interactions with its environment (i.e. inorganic and organic uses). The...
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Ring Polymers
16 Apr 2020 | | Contributor(s):: Nano-Link Center for Nanotechnology Education, Deb Newberry, NISE Net
This module is a variation on the “Cross-Linked Polymers” activity, and presents much of the same background on polymer structure and properties. This version uses a form of sodium polyacrylate, the water-absorbing polymer often used in diapers, that has a different atomic...
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Spreadsheet Finite Difference Model of 1-D Unsteady Conduction
19 Aug 2019 | | Contributor(s):: David Dussault, Adam Powell
Use a spreadsheet to estimate temperature history across a PMMA plate immersed in a hot fluid.