Technology of Elastomers detailed syllabus for Polymer Technology (PL) for 2021 revision curriculum has been taken from the SITTTRs official website and presented for the Polymer Technology students. For course code, course name, number of credits for a course and other scheme related information, do visit full semester subjects post given below.
For Polymer Technology 3rd Sem scheme and its subjects, do visit Polymer Technology (PL) 3rd Sem 2021 revision scheme. The detailed syllabus of technology of elastomers is as follows.
Course Objectives:
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Course Outcomes:
On completion of the course, the student will be able to:
- Generalise the classification, functions and properties of compounding ingredients.
- Explain the principles of rubber compounding and vulcanization.
- Determine the cure characteristics, cure measurements and different vulcanisation methods for elastomers.
- Apply principles of rubber compounding for the design of various recipes to meet the processing requirements and vulcanizate properties.
Module 1:
Compounding ingredients: classification – base polymer, activators and retarders, accelerators, fillers, processing aid, antidegradants, vulcanizing agents, and special additives – examples, characteristics and their functions in a compound. Vulcanising agents – sulphur, sulphur donors, peroxides, metal oxides, resin. Carbon black – types – furnace, thermal, channel and lamp black – method of manufacture – furnace process and thermal process. Properties – particle size, structure, physical nature of surface, chemical nature of surface and particle porosity. Classification – ASTM D 1765. Procedure – particle size, structure. Mineral fillers – Precipitated Silica ,China clay, Precipitated CaCO3,whiting, Aluminium silicate,TiO2. Organic fillers, Fibrous fillers -Functions properties .Special purpose additives – functions-examples
Module 2:
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Module 3:
Cure terms, Cure measurements and Vulcanisation methods: Curing – define cure terms – scorch, scorch time, cure and cure time, optimum cure, state of cure, cure index. Scorch safety – methods to avoid scorch- Cure graph – Mooney viscometer, ODR-MDR. Procedure to determine cure characteristics. Cure curves – by changing accelerators and curing agents.. Moulding – Definition,Types of moulding-compression, transfer and injection. Batch curing – Autoclave – water curing – cold curing – hot air oven curing. Continuous curing methods – steam tube curing – hot air tunnel – fluidized bed – molten salt -rotocure – microwave curing – examples.
Module 4:
Compounding for processing and vulcanisate properties General principle of compounding – chart out properties of elastomer. Compounding to meet processing requirements – compounding to meet vulcanisate properties – hardness, tensile, tear resistance, abrasion – oil resistance, heat resistance, flame resistance – oxygen and ozone resistance – formulation. Calculation of specific gravity and volume cost. Design compounds for particular Shore A hardness using black and non-black fillers.
Text Books:
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Reference Books:
- Rubber Technology -Maurice Morton (Publisher – Springer, 1999 Edition)
- Rubber Technology Hand book – Werner Hoffman (Publisher – Oxford University Press,1989 Edition)
- Vanderbilt Rubber Hand book -R.T Vanderbilt (Publisher – R.T Vanderbilt, 1990 Edition)
Online Resources
For the complete syllabus, results, class timetable, and many other features kindly download the iStudy App
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For detailed syllabus of all other subjects of Polymer Technology (PL), 2021 revision curriculum do visit Polymer Technology 3rd Sem subject syllabuses for 2021 revision.
To see the syllabus of all other branches of diploma 2021 revision curriculum do visit SITTTR diploma all branches syllabus..
To see the results of Polymer Technology (PL) of diploma 2021 revision curriculum do visit SITTTR diploma Polymer Technology (PL) results..
For all Polymer Technology academic calendars, visit Polymer Technology all semesters academic calendar direct link.