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Polyesters and Polyamides Video Lecture | CSIR NET Crash Course for Chemical Science - CSIR NET Chemical Science
FAQs on Polyesters and Polyamides Video Lecture - CSIR NET Crash Course for Chemical Science - CSIR NET Chemical Science
| 1. What are the main differences between polyesters and polyamides? |  |
Ans. Polyesters are formed by the reaction between dicarboxylic acids and diols, while polyamides are formed by the reaction between dicarboxylic acids and diamines. Polyesters are more hydrophobic compared to polyamides, which are more hydrophilic.
| 2. How are polyesters and polyamides used in everyday products? | |
Ans. Polyesters are commonly used in clothing fabrics, bottles, and food packaging, while polyamides are used in carpets, ropes, and automotive parts due to their high strength and durability.
| 3. What are the environmental impacts of polyesters and polyamides? | |
Ans. Polyesters are non-biodegradable and can contribute to plastic pollution if not properly disposed of. Polyamides, on the other hand, can be recycled but require specific processes, making their environmental impact dependent on recycling infrastructure.
| 4. How do the properties of polyesters and polyamides affect their applications? | |
Ans. Polyesters have good resistance to chemicals and sunlight, making them suitable for outdoor applications, while polyamides have high tensile strength and elasticity, making them ideal for products that require flexibility and durability.
| 5. What are some examples of industries that heavily rely on polyesters and polyamides? | |
Ans. The textile industry heavily relies on polyesters for clothing and home textiles, while the automotive industry uses polyamides for manufacturing parts like engine components and interior trims due to their strength and heat resistance.
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Nov 22, 2024 Last updated |
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