CY25202 Applied Chemistry (Tech) – II – Semester II – Plastics – R-2025

Subject Code & Name: CY25202 – Applied Chemistry (Tech) – II

Regulation: R-2025

Semester: II (Second Semester)

Branch: B.Tech. Plastics Technology (Plastics)

Credits / L-T-P: 2 Credits | L-T-P: 2-0-0

Course Objectives

  • To provide comprehensive understanding of polymerization mechanisms, including kinetics and chain transfer processes.

Full Unit-wise Syllabus

Unit I – Polymerization Mechanisms and Kinetics

Polymerization mechanisms, kinetics of polymerization reactions, chain transfer reactions and their effect on molecular weight and polymer structure.

Activities: Case Study on biodegradable plastics: their properties, synthesis methods, and environmental applications.

Unit II – Copolymerization and Molecular Weight Determination

Reactivity ratios and their significance, Determination of molecular weight, Factors influencing copolymer composition and kinetics.

Activities: Interactive Quiz on Identification of polymer types from structural formulas; Relation to copolymer formation and properties.

Unit III – Structure–Property Relationships

Correlation between molecular structure and physical properties, Polymer morphology and its effect on mechanical, thermal, and electrical properties.

Activities: Group Project on plastic product selection; Material modifications for improved mechanical or electrical performance.

Unit IV – Characterization

Thermal stability, glass transition, and melting behaviour; Mechanical properties: tensile strength, elasticity, toughness.

Activities: Problem-solving sessions on reaction rates and predict yields; Simulation of mechanical testing for the given polymer properties.

Unit V – Analytical Methods

UV-Vis, IR spectroscopy interpretation, Thermodynamics of polymer dissolution and solubility parameters, Modification techniques for property enhancement.

Activities: Hands-on interpretation of real spectra (IR, UV-Vis); Demonstration on solubility / analytical methods.

Unit VI – Degradation and Waste Management

Chemical degradation, aging, and environmental wear; Biodegradable and photodegradable polymers; Plastic waste management and circular economy.

Activities: Project on waste management protocol for separating plastics from municipal waste.

Course Outcomes (COs)

  • CO1: Explain the applications of chemistry in polymer engineering stream.
  • CO2: Apply chemistry concepts to select appropriate materials.
  • CO3: Analyse the systems and interpret data from the virtual studies in the field of polymer engineering.

Assessment Pattern (Quick Note)

  • Weightage: Continuous Assessment 40% | End Semester Examinations 60%
  • Internal methodology: Quiz (5%), Assignments (20%), Case Study (5%), Project (10%), Virtual Practice (10%), Internal Examinations (50%)

Source: Official Anna University – B.Tech. Plastics Technology R-2025 Syllabus
Last Updated: September 2026

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