PS2 - Units 5 & 7 - Polymer Processing
Polymer Science II – Plans for October 20-29, 2020 Units 5 & 7 Processing
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Days 34-37 – Tu-Fr |
Days 38-41 – M, Tu, W, Th |
PS Objectives |
U4:4 |
U4:4 |
Supplies/Materials |
Poly Processing PPT and Guided Notes; Additives articles copies; Additives for Polymer Systems Research Activity handouts and Keys |
Additives articles copies; Additives for Polymer Systems Research Activity handouts and Keys |
Bellringer/ Introduction |
What is processing? |
Finish up Wall Posters for Additives types presentations |
Learning Activities/Procedures |
· Go through slides 1-8 of the Polymer Processing PPT · Students read articles and answer Additives Questionnaire from the readings. Submit on CANVAS on AHL-Wednesday. · Th and Fr – Do Polymer Properties Lab Stations. |
· Finalize lab reports and turn in on Tuesday. · Additives for Polymer Systems Research Activity to complete Additives tables using additives articles and websites* – Jigsaw it Each research group prepares wall board for each additive type and presents to class. · W – AHL day – Finish up research and do CANVAS discussion on Resin and Additives Updates. · Additives Research Tables Presentations · Review Additives Research Keys (questions and tables) |
Assignments |
Work on lab reports |
Complete additives research |
Evaluation/Closure |
Grade – Additives questions completion |
grade(s) – lab reports, Additives research tables |
* [“Analysis of Polymer Additives in the Packaging Industry”, Jessica Fox, Univ. of FL, Packaging Science and “Additives in Plastics”, Rudolph D. Deanin, Environmental Health Perspectives, Vol.11, pp3-39] and pp.150-154 from NSTA’s Polymer Chemistry text; http://www.bpf.co.uk/plastipedia/additives/default.aspx#additivesaddtoplastics, http://www.thomasnet.com/articles/plastics-rubber/polymer-additive-effects, http://www.adk.co.jp/en/chemical/products/plastic/
Polymer Science II – Plans for October 30-November 6, 2020 Units 5 & 7 Processing
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Days 42,43 – Fr, M |
Day 44– Tu |
Days 45,46 – W,Th |
Day 47 - Fr |
PS Objectives |
U1:1abc; U4:4a; U5:2 |
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U4:3abc,5b; U5:2a,3b; U7: 1ae,2a |
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Supplies/Materials |
Poly Processing PPT and Guided Notes; |
Poly Processing PPT and Guided Notes |
Blueberry Muffin recipe and supplies; U5&7, test 1 key; Play-Doh extruder |
U5&7, test 1 and key NSTA’s Polymer Chemistry, Ch. 8: Polymer Processing Readings; CNotes blanks and key for extrusion |
Bellringer/ Introduction |
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Preview of U5&7, test 1 |
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Learning Activities/Procedures |
· Complete Additives Tables review if needed · Go through slides 9-20 of the Polymer Processing PPT using video links for compounding equipment. · Announce Units 5 & 7, Test 1 on Th to include additives and compounding; Mw, Mn, MWD review; Polymer Structural Influences; MFR/MFI, plus a couple questions from Poly Properties Lab. · Lecture- factors affecting processability – slides 21-25 from Processing PPT |
· Review of Mw, Mn, and MWD, to include different distribution types · Review of polymer structural influences on processability and properties, to include Tm and Tg interpretation and application · Discussion of MFR/MFI |
· W-AHL assignment - Quizlet prep for test. Must create a set of 30 items on Quizlet entitled Units 5&7, Test 1 · Muffin making process lab activity. Assess the supplies available and recipe. Prepare a process flow diagram to prepare a batch of muffins. · Begin End Product Processing Techniques Lecture and literature surveys, Cornell Notes, video links, demos · Extrusion Processing – Create CNotes* from pp. 159-161 of NSTA’s Polymer Chemistry, Ch. 8; plastictechnologies print out and extrusionist website |
· Units 5 & 7, Test 1 on Fr to include additives and compounding; Mw, Mn, MWD review; Polymer Structural Influences; MFR/MFI · Review master CNotes for extrusion and watch extrusion videos. · Play-Doh extrusion and compression molding |
Assignments |
STUDY |
STUDY |
STUDY |
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Evaluation/Closure |
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grades – process flow chart, CNotes |
grade – Units 5&7, Test 1 |
*Two EQs – How and when are extruders used for polymer processing; how do they work? What are common extrusion defects and how to troubleshoot?
Polymer Science II – Plans for Nov 9-13, 2020 Units 5, 7 – Polymer Processing
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Days 48-51 – M-Th |
Day 52 - Fr |
PS Objectives |
U4:3c; U5:2b,3ab; U6:2acd; U7: 1b,2a |
U11:1,2; and assorted other materials competencies |
Supplies/Materials |
PolyProcessing PPT; NSTA’s Polymer Chemistry, Ch. 8: Polymer Processing Readings; CNotes blanks and key for IM, film processing; IM, dip coating lab supplies; |
Dr. Patterson’s supplies |
Bellringer/ Introduction |
EIKAs on LDPE and PS; EIKA on PVC; safety precautions |
Introduce Dr. Patterson |
Learning Activities/Procedures |
· Continue End Product Processing Techniques Lecture and literature surveys, Cornell Notes, video links, demos, labs 1. Injection Molding – Create CNotes from pp. 161-165 of NSTA’s Polymer Chemistry, Ch. 8: Two EQs – How and when is injection molding used for polymer processing? Describe various IM processes. What are common IM defects and how might you address them? 2. Review master CNotes for IM; IM videos and defect websites (hyperlinks on CNotes). 3. Prepare for IM Labs, testing out Injection Molder with various resins; EIKAs on LDPE and PS
5. Film Processing – Create CNotes from pp. 165-167 of NSTA’s Polymer Chemistry, Ch. 8: Two EQs – What are useful Processing methods for films? What are some common film formation challenges and defects? 6. Review master CNotes for film processing; film processing videos (hyperlinks on CNotes). 7. Dip Coating (casting) Lab – PVC (plastisol) coin purses and baits; EIKA on PVC |
Guest Speaker – Dr. Shannon Patterson, DMD to discuss and demonstrate Materials in Dentistry |
Assignments |
STUDY notes to date |
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Evaluation/Closure |
grade(s) – CNotes, EIKAs; labs |
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Polymer Science II – Plans for Nov. 16-20, 2020 Units 5, 7 – Polymer Processing
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Days 29-33 – M-Fr |
PS Objectives |
U4:3c; U5:2cef,3ab; U6:2acd; U7: 1be,2a |
Supplies/Materials |
PolyProcessing PPT; NSTA’s Polymer Chemistry, Ch. 8: Polymer Processing Readings; CNotes blanks and key for thermoforming, foam/fiber processing; thermoforming lab supplies |
Bellringer/ Introduction |
lab safety precautions; EIKA on PS |
Learning Activities/Procedures |
· Continue End Product Processing Techniques Lecture and literature surveys, Cornell Notes, video links, demos, labs 1. Thermoforming/Vacuum-forming – Create CNotes from pp. 167 of NSTA’s Polymer Chemistry, Ch. 8 and SME Training Notes on Thermoforming: One EQ – Describe the process of plastics thermoforming, pros/cons of the process, materials commonly used, and parts commonly produced. 2. Review master CNotes for thermoforming; thermoforming videos. 3. Conduct thermoforming Lab using PS (HIPS). 4. Foam and Fiber Processing – Create CNotes from pp. 168-173 of NSTA’s Polymer Chemistry, Ch. 8: Three EQs – What are some useful methods for processing foams and fibers? Describe some foam types. Give some examples of fibers. 5. Review master CNotes for foams/fibers processing; foams/fibers processing videos. 6. Continue End Product Processing Techniques Lecture and literature surveys, Cornell Notes, video links, demos, labs: 7. Rotational Molding – Create CNotes from Rotational Molding websites: Two EQs – How and when is rotational molding used for plastics processing? What are some advantages and challenges of the process? 8. Review master CNotes for rotational molding, including videos. 9. Conduct rotational molding Lab using LDPE. 10. Close reading of MIT Polymer Foams Lecture looking for foam structures/ types (FST), Blowing Process (BP), Foamed Product Production (FPP), Advantages/ Disadvantages of (AD), Foam History (H), Uses (U). Students create CNotes on 3 EQ’s*(1 page f/b on each EQ) 11. Review master CNotes on the foam industry; foam types videos 12. Conduct foam Lab using EPS. 13. Test Preview 14. Test 2 from Units 5 & 7. |
Assignments |
STUDY |
Evaluation/Closure |
grade(s) – CNotes, EIKAs; labs |