PT3401 Syllabus - Additives And Compounding - 2021 Regulation Anna University

PT3401 Syllabus - Additives And Compounding - 2021 Regulation Anna University

PT3401

ADDITIVES AND COMPOUNDING

 LTPC
3003

OBJECTIVES:
• To enable the students to
• Understand various draw backs of polymer materials and suitable remedies
• Understand various additives used in polymers
• Understand the mechanism of degradation of polymers and chemistry of stabilizing additives
• Understand various compounding methodologies for plastics materials
• Learn the house keeping and maintenance of compounding machinery.

UNIT I

FILLERS/ REINFORCEMENTS, STABILIZERS, PIGMENTS

9
Fillers and Reinforcement–Antioxidants-Thermal Stabilisers, Ultraviolet stabilizer– Impact Modifiers/ toughening agents. Colourants-Fire retardants-Coupling agents-blowing-agents

UNIT II

ADDITIVES FOR PROCESSING

9
Plasticizers- Antistatic agents-Anti blocking agents-Slip and anti slip agents-processing aids - Lubricants- mould releasing agents Additives for recycling.


UNIT III

FUNDAMENTALS OF COMPOUNDING

9
Compounding-Selection of polymers and compounding-ingredients-general objectives- Merits and demerits of additives in polymer matrices. Mixing and mixing equipments. Compounding by batch mixer-High speed mixer-Two roll mill - Banbury Mixer - Ribbon blender - Planetary mixers.

UNIT IV

COMPOUNDING MECHANISMS

9
Compounding Machineries specifications - temperature control system – operating characteristics and working details of continuous mixers - - Single Screw extruder - Twin Screw extruder- 64 housekeeping and maintenance of compounding machines.

UNIT V

CASE STUDIES

9
Case studies on preference of one plastics to other and co-relation of properties of conventional materials and blends and alloys - case studies on application of blends and alloys.

TOTAL: 45 PERIODS

OUTCOMES:: Upon completion of the course, students will be able to
Upon Completion of the Course the students will be able to  Understand various types of additives for plastics and their merits and demerits.  Analyse various compounding methods used in the manufacturing of compounded thermoplastics and thermosets.  Students will have clear understanding of various drawbacks of polymer materials and remedies  Will understand about the mechanism of degradation in polymers  Students can learn about various compounding methods used in the manufacturing of compounded thermoplastics and thermosets.

TEXT BOOKS:
1. Al – Malaika; S. Golovoy; A and Wilkie (Eds), Chemistry and Technology of Polymer Additives, Black well Science Ltd, Oxford (1999). 2. Matthews; F.L. and Rawlings; R.D, Composite Materials, Engineering and Science Chairman and Hall, London (1994). 3. Plastics Testing Technology Hand Books by Vishu Shah, 1984.

REFERENCES:
1. Hand Book of Plastics Test Methods by Brown R.P, 1989. 2. Mascia; L., The Role of Additives in Plastics, Edward Arnold Publishers Ltd., U. K. (1974). 3. Murphy; John, Additives for Plastics Handbook, 2nd Edition, Elsevier Advanced Technology, Oxford, 2001. 4. R. Gachter and H. Muller, Plastics Additives Hand Book, Hanser Publishers, Munich, 1993
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