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NPTEL

Foundations on Rubber Science, Technology and Manufacturing

NPTEL via Swayam

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Overview

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ABOUT THE COURSE:Welcome to the NPTEL course on Foundations on Rubber Science, Technology and Manufacturing, designed to integrate foundational principles with cutting-edge advancements across various domains of rubber science. Over twelve weeks, participants will delve into polymer fundamentals, rubber chemistry, physics, and technology, progressing from basic concepts to specialized applications. Key topics include synthesis, manufacturing processes, and properties of general-purpose and specialty rubbers. Compounding strategies, adhesive technology, and the complexities of rubber-to-metal bonding will be explored in depth, emphasizing practical skills and theoretical insights. Real-world applications in industries like automotive, aerospace, and healthcare will illustrate the importance of rubber materials. The course also addresses sustainability, recycling technologies, and future perspectives in rubber science, preparing participants to innovate and adapt to industry challenges. By the end of this course, participants will have a comprehensive understanding of rubber science (chemistry, physics),engineering and technology, enabling them to contribute meaningfully to advancements in this essential material. Join us for a transformative journey into the diverse and dynamic world of rubber technology.INTENDED AUDIENCE: 3rd and 4th year UG, 1st and 2nd Year PG/PhD students studying in Polymer Science and Technology/ Rubber Technology/ Plastic Engineering Science and Technology/ Industrial Chemistry/ Applied Chemistry/ Metallurgical and Materials Engineering/ Chemical Engineering/ Mechanical Engineering/ Materials Science/ Ceramic Science and Technology/ Nanotechnology and personals from various R&Ds of Indian Industries having the prerequisites as mentioned below.PREREQUISITES:For students: High school knowledge in Chemistry, Physics and Mathematics are required.For R&D personals: UG or PG degree(s) in any of the mentioned subjects as mentioned earlier.INDUSTRY SUPPORT: Tata Steel R&D, Reliance, Tata Chemicals, IRMRA, CEAT Tyres, JK Tyres, Apollo Tyres, TATA Jamshedpur, Asian Paints, Pidilite Industries, Michelin Tyre, ALP Overseas, BKT, Ralson, Himadri Chemicals, Philips Carbon, Birla Carbon, Madhu Silica, Evonik, Momentive, Saint Gobains, Allied defense laboratories of Govt. of India and others allied industries not mentioned here.

Syllabus

Week 1: Introduction to Rubber Science
  1. History and Importance of Rubber, Rubber Plantation: Cultivation and Harvesting, Challenges in Natural Rubber Production
  2. Types of Rubber: Natural vs. Synthetic vs. Specialty Rubbers
  3. Applications of Rubber in Various Industries
  4. Hyper-elasticity, Thermo-elasticity and Viscoelasticity: Three basics attributes of Rubbers
  5. Structure-property correlation
Week 2:Synthesis, Manufacturing & Properties of Rubbers
  1. Chemical synthesis and manufacturing of rubbers
  2. Modification of Rubbers: Chemical modification, TPE and blending
  3. Vulcanization of Rubbers: Components (Sulfur, Peroxide, Accelerators, Accelerator-Activator), Chemistry and Kinetics
  4. Physical Testing: static & dynamic mechanical testing
  5. Thermal properties of elastomers
Week 3:Rubber Physics: The physics behind the Elasticity, Crystallization, thermo-elasticity and viscoelasticity
  1. The physics of rubber elasticity
  2. The physics of crystallization
  3. The physics of thermo-elasticity
  4. The physics of viscoelasticity
  5. Basics of rheology of Rubbers
Week 4:Rubber Compounding
  1. Introduction to rubber compounding, its significance, types of compounding ingredients
  2. Anti-degradants (Antioxidants, Antiozonants)
  3. Fillers: Reinforcing, Non-Reinforcing, Special fillers (rubber nanocomposites)
  4. Plasticizers & Process oils
  5. Flame retardants
Week 5:General Purpose Rubber: Synthesis, manufacturing and properties
  1. Natural rubber, IR
  2. SBR, IIR
  3. NBR, BR, CR, EPDM
  4. Practical-1 (Chemical identification, mechanical testing, morphological analysis)
  5. Practical-2 (Chemical identification, mechanical testing, morphological analysis)
Week 6:Specialty Rubbers: Synthesis, manufacturing and properties
  1. FKM, CSM
  2. Silicone Rubber
  3. Special rubbers like Thiokol, Thiophene, Phosphazenes and others
  4. TPE, TPV, TPU
  5. Practical (Chemical identification, mechanical testing, morphological analysis)
Week 7:Rubber Processing
  1. Different processing equipment: Overview
  2. Rubber mixing and processing in two roll mill
  3. Defects during processing and handling cautions
  4. Rubber molding and molding parameters
  5. Rubber testing and testing standards (ASTM, ISO)
Week 8:Engineering on Rubber Products: Manufacturing, designing parameters and testing
  1. Tire
  2. Conveyor belt
  3. Hose
  4. Anti-vibration mounts
  5. Miscellaneous applications
Week 9:Rubber Composites: Fabrication, processing and applications
  1. Composites and its types
  2. Reinforcement: Particulate, Fibres and Textiles
  3. Synergism in properties: mechanical, electrical and morphological properties
  4. Textile Technology: Fundamentals & Basic terminology
  5. Application of textiles in rubbers industry (rubber to fabric adhesion and surface treatment included)
Week 10:Adhesion science and technology, its implication in rubber industry
  1. Concept of adhesion
  2. Adhesion parameters: Surface energy, surface roughness, spreading coefficient
  3. Rubber based Adhesion science and technology, Different types of adhesion: Adhesion between partially vulcanized, and partially vulcanized, adhesion between vulcanized and vulcanized rubber
  4. Rubber to metal bonding
  5. Practical demonstration on adhesion (fabric to rubber, metal to rubber)
Week 11:Lifetime estimation of rubber products
  1. Finite Element Analysis (FEA) and its application in the manufacturing of rubber products
  2. Hyper elastic models and their application in simulation
  3. Die design & modelling for predicting flow behavior
  4. Finite element method-based damage model
  5. Practical demonstration
Week 12:Research and Development in Rubber Science
  1. Current advancements in Rubbers
  2. Innovations in Rubber Processing Techniques –Possibilities on 3-D printing
  3. Computational Modelling in Rubber Technology
  4. Role of Rubber in Sustainable Development: Biodegradable and green rubbers, Regulatory Frameworks for Environmental Compliance, Circular Economy
  5. Industry-Academia Collaborations,
  6. Career Opportunities and Start-up

Taught by

Prof. Santanu Chattopadhyay

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