Polymer Processing - CHERIC · 2002-03-04 · -what is polymer processing?-role of chemical...
Transcript of Polymer Processing - CHERIC · 2002-03-04 · -what is polymer processing?-role of chemical...
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Polymer Processing
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Topics
1. Introduction
- what is polymer processing?
- role of chemical engineers in polymer processing industry
- why rheology?
2. Introduction to extrusion
- why statistical process control in polymer processing?
3. Introduction to injection molding
- why design of experiments in polymer processing?
4. Fundamentals of polymers
- material properties
- mechanical properties
5. Rheology
- flow field
- rheological properties
6. Constitutive equations
- Mid Exam
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7. Statistical process control
- process capabilities
- 6 sigma process control
8. Design of experiments
- method of orthogonal arrays
- Taguchi method
9. Extrusion process
- mixing
- single screw extrusion
- twin screw extrusion
10. Injection molding process
- CAE (Computer Aided Engineering)
- typical problems in injection molding
- new technologies
11. Others
- other processes
- role of chemical engineers in polymer processing industry- Final Exam
평가:
- Mid Exam (20%), Final Exam (35%), HW (25%), Quiz & Reading (20%)
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Questions !
• What is polymer?
![Page 5: Polymer Processing - CHERIC · 2002-03-04 · -what is polymer processing?-role of chemical engineers in polymer processing industry-whyrheology? 2. Introduction to extrusion -why](https://reader034.fdocuments.us/reader034/viewer/2022043014/5fafba8314f64b62df0813ff/html5/thumbnails/5.jpg)
Questions !
• What is polymer?
• What is polymer processing?
![Page 6: Polymer Processing - CHERIC · 2002-03-04 · -what is polymer processing?-role of chemical engineers in polymer processing industry-whyrheology? 2. Introduction to extrusion -why](https://reader034.fdocuments.us/reader034/viewer/2022043014/5fafba8314f64b62df0813ff/html5/thumbnails/6.jpg)
Questions !
• What is polymer?
• What is polymer processing?
• What is polymer industry?
![Page 7: Polymer Processing - CHERIC · 2002-03-04 · -what is polymer processing?-role of chemical engineers in polymer processing industry-whyrheology? 2. Introduction to extrusion -why](https://reader034.fdocuments.us/reader034/viewer/2022043014/5fafba8314f64b62df0813ff/html5/thumbnails/7.jpg)
Questions !
• What is polymer?
• What is polymer processing?
• What is polymer industry?
• What is industry?
![Page 8: Polymer Processing - CHERIC · 2002-03-04 · -what is polymer processing?-role of chemical engineers in polymer processing industry-whyrheology? 2. Introduction to extrusion -why](https://reader034.fdocuments.us/reader034/viewer/2022043014/5fafba8314f64b62df0813ff/html5/thumbnails/8.jpg)
Questions !
• What is polymer?
• What is polymer processing?
• What is polymer industry?
• What is industry?
• What is the role of chemical engineers in polymer industry?
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Questions !
• What is polymer?
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Polymer
• A long molecule consisting of many small units(monomers) joined end to end
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Radical groups
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Vinyl structure
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More…
PE, PP, PVC, PS, PVA …
PMMA, PA, PU, PC, SBR, EVOH, ABS …
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Polyethylene
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Polyethylene
10 um
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ABS(Acrylonitrile-Butadiene-Styrene)
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ABS
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Components
• G-ABS
• San
• Anti-oxydent
• Lubricant
• colorant
• Others– Light stabilizer, acid scavenger, filler,
frame retardant, coupling agent…
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What is good resin?
• Design
– Overall performance
– Processing, material(chemistry,morphology)
• Production
– Uniformity, apprearance
• marketing
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Questions !
• What is polymer processing?
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Polymer processing
• Extrusion– Compounding, sheet, pipe …
• Injection molding
• Blow molding
• Thermoforming
• Film blowing
• Fiber spinning
• etc
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Extrusion
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Pipe extrusion
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Sheet extrusion
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Injection molding
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Blow molding
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Thermoforming
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Film blowing
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Statistics
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Questions !
• What is polymer industry?
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Polymer industry
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Polymer industry
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Polymer industry
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Polymer industry
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Questions !
• What is industry?
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Industry(Innovation)
knowledge money
innovation
research
Competitiveness, customer oriented
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Questions !
• What is the role of chemical engineers in polymer industry?
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Role of chemical engineers
• R&D
• Production
• T/s
• Sales & marketing
• Management
• CEO/CTO
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Young chemical engineers…
• Knowledge – problem solving
• Passion
• creativity
• Dream/vision
• Leadership
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What is the problem?