🧪 Addition Polymerization (Part 2) | Mechanism (Polythene, PVC, Teflon) | LT Grade Chemistry
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Загружено: 2025-11-15
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Welcome to Polymer Video - 2!
🧪 Dive deep into the fascinating world of Addition Polymerization (योगशील बहुलकीकरण), a core topic for your LT Grade Chemistry and other competitive exams.
In this video, we break down how long-chain polymers are formed when monomers with double or triple bonds simply "add up" without the elimination of any small molecules like water or HCl.
❓What you will learn in this session:
📜Addition Polymerisation Concept: Detailed explanation and definition.
📜Mechanism (Free-Radical): Understand the three key steps of the Free-
🔥🔥Radical Addition Mechanism:
1. Initiation: Formation of radicals (e.g., using benzoyl peroxide).
2. Propagation: Radical repeatedly adds to the monomer.
3. Termination: Radical coupling/disproportionation
Key Examples of Addition Polymers & Their Uses:
We cover the structure, reaction, and important applications of major polymers:
✔️Polyethylene (LDPE & HDPE): Films, bags, containers, pipes.
✔️Polypropylene (PP) : Ropes, toys, fibers.
✔️PVC (Polyvinyl Chloride) : Water pipes, raincoats, flooring.
✔️Polystyrene : Packaging, insulation, TV cabinets.
✔️PTFE (Teflon) : Non-stick coating, chemical-resistant liners.
✔️PAN (Polyacrylonitrile)/Orlon : Wool substitute, blankets.
✔️Rubber Polymers: Natural Rubber (cis-1,4-polyisoprene) , Neoprene
✔️Buna-N, and Buna-S
#polymerclassification #chemistry #polymerscience #quickreview
#polythene #pvc #teflon
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