Unit1
Unit 1
Introduction, Technological requirements, Classification, Chemistry and Mechanism, Selection Criteria, General effect on Properties, Evaluation and functions of additives.
Syllabus
5 unitsUnit2
Unit 2
Fillers, Stabilizers, Pigments: Fillers and Reinforcement, Antioxidants, Metal de‐activators, Thermal Stabilisers, Ultraviolet stabilizer, Impact Modifiers/ Toughening agents, Colourants, Fire retardants, Coupling agents, blowing‐agents.
Unit3
Unit 3
Plasticizers, Antistatic agents, Anti blocking agents, Slip and anti slip agents, processing aids, Lubricants, mould releasing agents, Additives for recycling, conductive additives, antimicrobial additives
Unit4
Unit 4
Mixing and mixing equipments: Mixing Methodologies: Types of Mixing, Dispersive/Distributive, Agglomerates, mixing of solid additives, mixing of liquid additives, Difference between mixing and compounding. Principles, Operating characteristics, Machine construction, Specifications, Process control systems and working details of Batch mixers and continuous mixers, High speed mixer, Two roll mill, Banbury Mixer, Ribbon blender, Planetary mixers, Twin screw extruders [ co rotating / counter rotating.
Unit5
Unit 5
Separation & analysis of additives in Polymers: Extraction techniques, Solvent dissolution, centrifugation, Precipitation, filtration and ashing. Identification and estimation of additives by using spectroscopy, chromatography, spectrometry and titrimetry.
Course Outcomes (COs)
After completion of the course student will be able to:
- CO1Understand various aspects of polymer additivesK2
- CO2Understand the use of fillers, stabilizers and pigmentsK2
- CO3Acquire knowledge of Plasticizers, antistatic agents and their merits & demerits.K2
- CO4Understand various compounding methods used in the manufacturing of compounded thermoplastics and thermosets.K2
- CO5Acquire knowledge about various selection criteria for polymeric additives and their characterization Additives & CompoundingK2
References
- ‐
- R. Gachter , H. Muller, Plastics additives handbook: Stabilizers, processing aids, plasticizers, fillers, reinforcements, colorants for thermoplastics, Hanser Publishers, Munich, 1987.
- Murphy; John, Additives for Plastics Handbook, 2nd Edition, Elsevier Advanced Technology, Oxford.
- Al – Malaika; S. Golovoy; A and Wilkie(Eds), Chemistry and Technology of Polymer Additives, Black well Science Ltd, Oxford (1999)
- Mascia; L., The Role of Additive in Plastics, Edward Arnold Publishers Ltd., U. K. (1974).
Official AKTU syllabus
This subject is on page 32, 33 of the original AKTU PDF.