Vulcanisation
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Follow on Instagram for UpdatesVulcanisation Syllabus — Unit-wise Content
The official GTU curriculum for Vulcanisation (subject code BE05026081) as prescribed for Rubber · Semester 5 divides the course into 9 units, covering 77 listed topics. The unit-wise breakdown below is read from the GTU syllabus document for this subject code, so you can check what the course actually covers before deciding which papers to attempt.
Download the official syllabus PDF (BE05026081)Unit 1 Introduction
- Drawbacks of Raw Rubber
- Definition of Vulcanization
- Properties of Unvulcanized Compound
- Difference between Vulcanized Rubber and Unvulcanized Rubber
- Structural Changes observed in Rubber After Vulcanization
- Structure of Rubber Vulcanizate
Unit 2 Sulphur Vulcanization
- - Practical systems for Natural & Synthetic Olefin Rubber-Theory of Sulphur vulcanization
Unit 3 Non-sulphur vulcanizing systems for olefin & Non-olefin Rubbers
- Metallic oxides
- Polyfunctional amines
- peroxides for polyacrylates
- Silicone Rubbers
- Fluorocarbon Rubbers
Unit 4 Types of Vulcanizing agents & their effects
- Sulphur donors 3
- Accelerated sulphur vulcanization 4
- Peroxides : Introduction
- Classification of Peroxides and their Structures
- Examples of Peroxides
- Efficiency of Peroxides
- Chemistry of peroxide cure
- Compounding Aspects of peroxide Cure
- Advantages of Peroxides cure over sulphur vulcanization
- Reaction mechanism
- Peroxide cure of saturated and unsaturated elastomers 5
- Metal oxides: Introduction
- Suitable examples 6
- Phenolic curatives: Introduction
- Suitable examples
- Vulcanisation by benzoquinone derivatives
- Vulcanization by triazine accelerators
- Urethane cross -linking
Unit 5 Relations between Structure and Properties of Vulcanizates
- Modulus and Strength
- Resilience and Heat Buildup
- Fatigue Properties
- Heat Stability
- Low Temperature Properties
- Compression Set, Aging
- Dynamic Properties and Rolling Friction
- Evaluation of mechanical and physical properties of vulcanizates as per relevant BIS standards (IS 3400 series)
Unit 6 Different Vulcanisation System
- EV and Semi EV system in rubber
- Accelerator system selection & adjustment
- Vulcanization of rubber blends and filled systems
Unit 7 Modern Vulcanisation System
- Moisture curing
- Dynamic Vulcanisation
- Shrinkage and Post Vulcanisation reaction
Unit 8 Vulcanisation techniques
- Classification of Vulcanization Techniques
- Batch Program Name: Engineering Level: Under Graduate Branch: Rubber Technology Subject Code : BE05026081 Subject Name : Vulcanization Vulcanization Techniques: Moulding
- Hot Air Oven Curing
- Lead Curing
- Moisture Curing
- Free Heating: General Comments About Free heating
- Difference between hot air and steam vulcanization
- Vulcanization Phases During Free Heating
- Comparison of Saturated Steam Vulcanization and Super heated Steam
- Vulcanization in Air/Steam Mixture
- Vulcanization in Water
- Cold Vulcanization
- Continuous vulcanization : Liquid Curing Method
- Fluidized Bed Vulcanization
- Continuous Vulcanization in Stem Pipes
- Hot Air Tunnel
- Comparison of Performance of CV lines
- Microwave curing process and equipment
- Ultrasonic vulcanization
- Electron beam vulcanization
- emerging methods of rubber vulcanization
Unit 9 The assessment of state of vulcanization
- Theoretical study of degree of cross linking. -Practical assessment of state of cure
- Determination of state of cure: Methods and techniques: 1
- Chemical method, 2
- Physical test method, 3
- Continuous method
- Discussion of methods of measuring cure
- Calculation of cure in thick articles
- The relation between curing system type & properties (Sulphur - poly olefins Rubbers)
- Vulcanization process by rheometer curve
- Prediction of State of Cure
- Cure Simulation Instruments
- Prediction of State of Cure by Arrhenius equation
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