Polymer Processing
yChapter 3.
Polymer Processing
Polymer Process Techniques
Fig. 3.1. Procedure for casting sheets of polymer.
Polymer Materials
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Polymer Process Techniques
HEMA = hydroxyethyl methacrylate
EGDMA = ethylene glycol dimethacrylate
Fig. 3.2. Centrifugal mold for poly(hydroxyethyl methacrylate) contact lenses
Solvent casting of films
Fig. 3.3. Laboratory spreading device for the solution casting of films.
Polymer Materials
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Polymer Process Techniques
Roll casting
Fig. 3.4. Knife coating of a polymer onto a film.
Polymer Materials
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Polymer Process Techniques
Fig. 3.5. Polymer casting bench.
Polymer Materials
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Polymer Process Techniques
Fig. 3.6. Solution casting of films on an industrial scale with the use of rotating metal drums.
Polymer Materials
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Polymer Process Techniques
Fig. 3.7. Use of a moving-belt system for the continuous solution casting of polymer films.
Polymer Materials
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Polymer Process Techniques
Fig. 3.8. ‘Bubble’ blowing of films.
Polymer Materials
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Polymer Process Techniques
Fig. 3.9. Film manufacture by calendering.
Polymer Materials
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Polymer Process Techniques
Methods for melt processing of films
Fig. 3.10. Hydraulic press for the melt pressing of polymer films.
Polymer Materials
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Polymer Process Techniques
Fig. 3.11. Sequence of operations for the melt extrusion of polymer films.
Polymer Materials
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Polymer Process Techniques
Fig. 3.12. Diagram of a plastics extruder.
Polymer Materials
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Polymer Process Techniques
Fig. 3.13. Diagram of a compression-molding press and mold.
Polymer Materials
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Polymer Process Techniques
Melt process
Fig. 3.14. Diagram of an injection-molding machine.
Polymer Materials
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Polymer Process Techniques
Fig. 3.15. Thermoforming of polymer
Polymer Processing
Polymer Process Techniques
Fig. 3.1. Procedure for casting sheets of polymer.
Polymer Materials
Page 2
Polymer Process Techniques
HEMA = hydroxyethyl methacrylate
EGDMA = ethylene glycol dimethacrylate
Fig. 3.2. Centrifugal mold for poly(hydroxyethyl methacrylate) contact lenses
Solvent casting of films
Fig. 3.3. Laboratory spreading device for the solution casting of films.
Polymer Materials
Page 3
Polymer Process Techniques
Roll casting
Fig. 3.4. Knife coating of a polymer onto a film.
Polymer Materials
Page 4
Polymer Process Techniques
Fig. 3.5. Polymer casting bench.
Polymer Materials
Page 5
Polymer Process Techniques
Fig. 3.6. Solution casting of films on an industrial scale with the use of rotating metal drums.
Polymer Materials
Page 6
Polymer Process Techniques
Fig. 3.7. Use of a moving-belt system for the continuous solution casting of polymer films.
Polymer Materials
Page 7
Polymer Process Techniques
Fig. 3.8. ‘Bubble’ blowing of films.
Polymer Materials
Page 8
Polymer Process Techniques
Fig. 3.9. Film manufacture by calendering.
Polymer Materials
Page 9
Polymer Process Techniques
Methods for melt processing of films
Fig. 3.10. Hydraulic press for the melt pressing of polymer films.
Polymer Materials
Page 10
Polymer Process Techniques
Fig. 3.11. Sequence of operations for the melt extrusion of polymer films.
Polymer Materials
Page 11
Polymer Process Techniques
Fig. 3.12. Diagram of a plastics extruder.
Polymer Materials
Page 12
Polymer Process Techniques
Fig. 3.13. Diagram of a compression-molding press and mold.
Polymer Materials
Page 13
Polymer Process Techniques
Melt process
Fig. 3.14. Diagram of an injection-molding machine.
Polymer Materials
Page 14
Polymer Process Techniques
Fig. 3.15. Thermoforming of polymer