Finishing & Joining of Polymers detailed Syllabus for Polymer Technology (PO), K scheme PDF has been taken from the MSBTE official website and presented for the diploma students. For Subject Code, Subject Name, Lectures, Tutorial, Practical/Drawing, Credits, Theory (Max & Min) Marks, Practical (Max & Min) Marks, Total Marks, and other information, do visit full semester subjects post given below.
For all other MSBTE Polymer Technology 5th Sem K Scheme Syllabus PDF, do visit MSBTE Polymer Technology 5th Sem K Scheme Syllabus PDF Subjects. The detailed Syllabus for finishing & joining of polymers is as follows.
Rationale
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Course Outcomes:
Students will be able to achieve & demonstrate the following COs on completion of course based learning
- Use relevant finishing and machining techniques for polymer products for specific applications.
- Apply knowledge of joining methods to select appropriate adhesives for joining polymer.
- Select appropriate welding techniques used for joining polymeric products.
- Choose suitable decorating techniques for polymers used in aesthetic application.
- Apply relevant powder coating to improve surface characteristics.
Unit I
Finishing and Machining of Polymers. 1.1 1.1 Finishing techniques used with plastics: Filing, Tumbling, Grinding, Ashing, Buffing, Polishing. 1.2 1.2 Principal consideration and user guidelines for machining tool geometry. 1.3 1.3 Machining techniques: Drilling, Reaming, Turning, Threading, Turning, Sawing, Milling, Sawing, Piece ring, Trimming, Routing, Laser machining.
Suggested Learning Pedagogie
Lecture Using Chalk-Board Demonstration Video Demonstrations Model Demonstration Presentations
Unit II
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Unit III
Welding and Sealing of Thermoplastics 3.1 3.1 Thermal sealing: Thermal sealing method, Types of equipment’s- Jaw type bar sealer, Rotary sealer, Band rotary, Impulse type sealer, hot knife and multi-point sealing. 3.2 3.2 High frequency or Dielectric heat sealing. 3.3 3.3 Hot gas welding. 3.4 3.4 Hot plate welding. 3.5 3.5 Induction welding. 3.6 3.6 Spin or Friction welding. 3.7 3.7 Ultrasonic Assembly. 3.8 Press or shrink fitting, snap fitting, integral hinges.
Suggested Learning Pedagogie
Lecture Using Chalk-Board Video Demonstrations Model Demonstration Presentations
Unit IV
Decorating Polymers 4.1 4.1 Surface pretreatment Techniques: Washing, Mechanical Abrasion, Chemical Etching, Priming, Flame Treatment, Corona Discharge, and Plasma Treatment. 4.2 Paints and Coating: Techniques Spraying, Dip Coating, Flow Coating, Curtain Coating, Roll Coating. 4.3 Printing Methods: Screen Printing, Flexographic Printing, Rotogravure Printing, Pad Printing. 4.4 4.4 Hot Transfer Process. 4.5 4.5 Laser Marking and Dying. 4.6 Metallization: Electroless and Electrolytic Plating, vacuum evaporation, sputtering. 4.7 4.7 Labels and Decals. 4.8 4.8 In-mold Decorating. 4.9 Flocking, Embossing and Surface Texturing.
Suggested Learning Pedagogie
Lecture Using Chalk-Board Model Demonstration Video Demonstrations Presentations
Unit V
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List of Experiments:
- *Perform buffing operation on the given polymer product by using buffing machine.
- *Operate a tumbler machine to remove flash on the given thermosetting polymer product.
- *Drill a hole in the given polymer products using a drilling machine and assemble parts using nuts and bolts.
- Apply pressure sensitive adhesive to join two polymer parts.
- *Repair leakage using epoxy adhesive.
- *Assemble automotive parts using adhesive bonding.
- Assemble polystyrene parts using adhesive bonding.
- *Join the PVC pipe and sockets such as bend, elbow, T etc. by solvent cementing.
- *Seal the polymer PVC films by using impulse type thermal sealing machine.
- Seal the polymer films by using impulse type thermal sealing machine.
- Perform a screen printing operation on the given polymeric part.
- *Perform a screen printing operation on the given polymeric part.
- *Decorate the provided polymeric portion using pad printing
- *Perform coating on the given object by using polyester powder.
5. Self Learning
Micro Project
- Prepare various types of adhesive joints using rubber/polymer parts and adhesive and prepare a chart.
- Prepare flow sheet of adhesive manufacturing in an auto cad
- Prepare power point presentation of different types of adhesives and selection criterion used in commercial application.
- Prepare screen used for screen printing by using wooden frame and plastic screen.
- Prepare a detailed report by visiting nearby industry (screen printing, powder coating, and thermal sealing).
- Research different finishing techniques used with plastics (Filing, Tumbling, Grinding, Ashing, Buffing, Polishing). Write a report on each technique, detailing, the process involved, equipment used, advantages and disadvantages of each technique, Include diagrams or images to illustrate the processes.
- Demonstrate different adhesive application methods. Document the process, including:The method used,The materials bonded, The efficiency and effectiveness of each method, Observations and conclusions
- Select one plastic product and apply at least two different finishing techniques. Document the process, including: The initial state of the plastic product,The steps taken for each finishing technique, The final outcome A comparison of the results from each technique.
- Demonstrate induction welding on a polymer product. Prepare a report including, the materials used , the welding process, strength and appearance of the weld, Observations and conclusions
Assignment
- Collect information of hot plate welding, and ultrasonic welding machine manufacturers and suppliers while working in a group of five students. Write a report on collected information which include grades, rates, minimum quantity, bulk discounts, taxes, delivery period etc.
- Visit a nearby screen printing company and collect information on registration procedure of company, plant layout, machinery specifications and price, electrical load, manpower requirement, rate list, annual turnover, major clients and terms and conditions. Make a report of it and present it in classroom.
- Visit a powder coating company and collect information of registration procedure, plant layout, machinery specifications and price, electrical load, manpower requirement, rate list, annual turnover, major clients and terms and conditions. Make a report of it.
- Describe the dip method and capillary method for solvent cement application. Explain the advantages and disadvantages of each method. 1. write a report on the different types of adhesive bonding: liquid, mastics, hot melt, film, and pressure-sensitive. 1. Compare the properties and applications of each type.
Laboratory Equipment
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Learning Materials
- Berins, M.L. SPI Polymer Engineering Handbook Springer, US, 1991. ISBN-13: 9781461576068
- Margolis, J.M. Decorating Polymer Hanser, New York, 1987. ISBN-13: 9783446146983
- Rosato, D.; Rosato, M.G.; Schott, N.R. The Polymer Technology Handbook Volume -I Momentum Press, USA, 2010. ISBN-13: 9781606500798
- Wiley Processing and Finishing of Polymeric Materials, Volume 2. John Wiley & Sons Inc., India, 2011. ISBN-13 ? : ? 9781118088005
- Yarlagadda, Prasad, Butdee, Suthep, & Suebsomran, Anan. Joining, machining, finishing and decorating of polymers. Woodhead Publishing, United Kingdom, (2009). ISBN-13? : 9781845
Learning Websites
- https://www.youtube.com/watch?v=Y9cEoaoG7LI Decorating polymers
- https://www.youtube.com/watch?v=0T_sQwbWFMA Laser welding of polymers
- https://www.youtube.com/watch?v=Db-kujLLRsc Impulse type thermal sealing
- https://www.youtube.com/watch?v=vicNkwvuE80 Screen printing
- https://www.youtube.com/watch?v=eBVqNLRaUVk Hot plate welding
- https://www.youtube.com/watch?v=1jmRK8H4gz8 hot stamping process of polymers
- https://www.youtube.com/watch?v=l3VF6C1_RGg Powder coating
- https://www.youtube.com/watch?v=zU9J30OKp3E Powder coating of PVC.
- https://www.youtube.com/watch?v=VJHc4HXrvok Powder coating of polyester
- www.ndl.iitkgp.ac.in Polymer library.
For detail Syllabus of all other subjects of Polymer Technology, K scheme do visit Polymer Technology 5th Sem Syllabus for K scheme.
For all Polymer Technology results, visit MSBTE Polymer Technology all semester results direct links.