Lec03 polypropylene Polyvinyl chlroride polyacrylonitrile teflon nylon6 POLYMER

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25 वर्षों का स्‍वर्णिम सफर....... • S.V. Chemistry, with over 25 years of experience, stands as a venerable institution in Bhagalpur city, renowned for its excellence in Chemistry education. You can now delve into the realm of Chemistry through our comprehensive online platform. Additionally, for those in the vicinity of Bhagalpur district, offline classes are also available, conveniently located near Jaglal High School. • ABOUT TODAY'S TOPIC • ------------------------------------- • 1. **Polypropylene**: • **Definition**: Polypropylene (PP) is a thermoplastic polymer made from the monomer propylene. It is known for its high melting point, chemical resistance, and durability. • **Uses**: • Packaging: Polypropylene is commonly used in packaging materials such as bottles, containers, and films due to its lightweight and excellent moisture barrier properties. • Automotive Parts: PP is used in automotive applications for making bumpers, interior trims, and battery cases due to its impact resistance and chemical stability. • Medical Devices: Polypropylene is used in the manufacturing of medical devices and equipment such as syringes, vials, and surgical instruments due to its sterilizability and biocompatibility. • 2. **Polyvinyl Chloride (PVC)**: • **Definition**: Polyvinyl chloride (PVC) is a synthetic thermoplastic polymer produced from vinyl chloride monomers. It is known for its versatility, chemical resistance, and flame retardancy. • **Uses**: • Construction: PVC is extensively used in the construction industry for making pipes, fittings, window frames, and siding due to its durability, weather resistance, and low cost. • Electrical Cables: PVC is used as insulation and sheathing material for electrical cables and wires due to its electrical insulation properties and fire resistance • 3. **Polyacrylonitrile (PAN)**: • **Definition**: Polyacrylonitrile (PAN) is a synthetic polymer made from acrylonitrile monomers. It is known for its high strength, chemical resistance, and thermal stability. • **Uses**: • Textiles: PAN fibers are used in the production of textiles such as acrylic yarns and fabrics for clothing, carpets, and upholstery due to their softness, warmth, and colorfastness. • Carbon Fiber: PAN is a precursor for manufacturing carbon fibers used in aerospace, automotive, and sporting goods industries due to its high carbon content and strength-to-weight ratio. • 4. **Teflon (Polytetrafluoroethylene, PTFE)**: • **Definition**: Teflon, also known as polytetrafluoroethylene (PTFE), is a synthetic fluoropolymer known for its non-stick properties, chemical resistance, and high heat resistance. • **Uses**: • Non-Stick Cookware: Teflon-coated cookware is popular for its non-stick properties, making it easy to cook with and clean. • Industrial Applications: PTFE is used as a lining material for pipes, valves, and containers in industries handling corrosive chemicals due to its chemical inertness. • Electrical Insulation: Teflon is used as an insulating material in wires, cables, and connectors due to its excellent electrical insulation properties and heat resistance. • 5. **Nylon-6**: • **Definition**: Nylon-6 is a synthetic polymer known as polyamide-6, produced from caprolactam monomers. It is known for its high strength, toughness, and abrasion resistance. • **Uses**: • Textiles: Nylon-6 fibers are used in the production of textiles such as clothing, carpets, and industrial fabrics due to their strength, elasticity, and abrasion resistance. • Engineering Plastics: Nylon-6 is used in the manufacturing of engineering components such as gears, bearings, and bushings due to its toughness and self-lubricating properties. • Packaging: Nylon-6 films are used in flexible packaging applications such as food packaging and vacuum bags due to their puncture resistance and barrier properties. • Understanding these polymers and their uses is essential for exams as they form the basis of many everyday materials and products encountered in various industries and applications. • ------------------------------------------------------------------ • It would be a great help for us if you share this video with your friends. • Our social handles: • Facebook SV Chemistry → • / 100073218576487 • Whatsapp https://www.youtube.com/redirect?even... • For any queries, feel free to contact us below.. • Whatsapp: +91 9934779817 • Contact: +91 9430613349 • ----------------- • THANK YOU • ------------------

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