NYLON 6
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In 1938, Paul Schlack of IG Farben created Nylon 6 by polymerizing Caprolactum into a homopolymer called polyhexano-6-lactum. Nylon 6 has high tensile strength, toughness, elasticity, and resistance to abrasion and chemicals. It is used for applications like bristles, gears, threads, ropes, surgical sutures and knitted garments. While some bacteria and fungi can degrade Nylon 6 oligomers, polymers are not easily biodegraded.
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The document discusses nylon 6 fiber, including its production from caprolactam. Caprolactam is produced from cyclohexanone through several chemical reactions. Nylon 6 is synthesized through ring-opening polymerization of caprolactam. The polymerization occurs at high temperatures and results in a semi-crystalline structure. Nylon 6 fibers are produced through melt spinning and have properties derived from hydrogen bonding between amide groups and van der Waals forces between flexible chains.
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NYLON 6
- 3. In 1938 Paul Schlack of the IG Farben Company in Germany polymerized Caprolactum & created a different form of the polymer identified as Nylon 6. It’s a homopolymer which is formed by ring opening polymerisation.
- 4. IUPAC NAME polyhexano-6-lactum Structure: - Other names:- Polycaprolactum, perlon, PA6 ,capron,nylatron
- 6. properties 1. It has high tensile strength 2. They are tough 3. Has well elasticity and lustre 4. Resistant to abrasion and chemicals such as acids & alkalies 5. Tg value 47 °C.
- 7. Applications 1. Used as thread in bristles for tooth brushes 2. As gears ,fittings & bearings, automotive industry 3. Threads, ropes, filaments , nets 4. Gun frames 5. Surgical sutures, strings for musical instruments 6. In hosiery and knitted garments
- 8. Biodegradation Flavobacterium and Pseudomonas de grade oligomers of Nylon 6, but not polymers. Certain white rot fungal strains can also degrade Nylon 6 through oxidation.