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Polyamide

CAS No.: 63428-84-2

Formula: -

Molecular Weight: 0

Suppliers: All(0) China Suppliers(1) Products(16)

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What is Polyamide

**Introduction to Polyamide** Polyamide, commonly known as nylon, is a versatile synthetic polymer renowned for its strength, durability, and resistance to wear and chemicals. Developed in the 1930s, it has become a cornerstone material in industries such as textiles, automotive, electronics, and engineering. Polyamide fibers are lightweight yet robust, making them ideal for clothing, ropes, and carpets, while its high thermal stability and mechanical properties suit it for gears, bearings, and electrical components. Available in various grades, including reinforced and high-temperature variants, polyamide offers excellent performance under stress and harsh conditions. Its adaptability, combined with cost-effectiveness, ensures its widespread use in both everyday products and advanced industrial applications.

Preparation Process: Polyamide is synthesized via polycondensation of diamines with dicarboxylic acids or via ring-opening polymerization of lactams. For nylon-6,6, hexamethylenediamine and adipic acid are dissolved in water, neutralized to form a salt, then heated to 280°C under nitrogen to polymerize, releasing water. For nylon-6, ε-caprolactam is heated at 250–280°C with water or an initiator to open the ring and form chains. The molten polymer is extruded, quenched, and pelletized. Post-polymerization solid-state processes may enhance molecular weight. Control of stoichiometry, temperature, and catalysts ensures optimal properties.

Usage Scenarios: Polyamide, commonly known as nylon, is widely used in textiles for producing durable fabrics, carpets, and sportswear due to its strength and elasticity. In engineering, it serves as a lightweight, high-strength material for automotive parts, electrical components, and machinery due to its heat and chemical resistance. It is also used in manufacturing ropes, fishing nets, and packaging films. Additionally, polyamide is employed in 3D printing for creating robust prototypes and functional parts. Its biocompatibility makes it suitable for medical applications like sutures and implants. The material’s versatility extends to coatings, adhesives, and household items like kitchen utensils and brushes.

Polyamide Basic Info

Chemical Name Polyamide

Synonyms Polyamide resin;Polyamide fibers;Polyamide multipolymer;Polyamide resin,low molecular weight 651;Polyamide;Polyamid eP;Nylon fibers;Polyamide Rosin;Polyamide resin No.600;Polyamide curing agent （650）

CAS No. 63428-84-2

Molecular Formula -

Molecular Weight 0

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Safely Info

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Polyamide Price

Here is a rough price range for Polyamide in the listed countries. Note that prices can vary significantly based on grade, supplier, and market conditions:

1. **United States**: $2.50 - $5.00 per kg
2. **China**: $2.00 - $4.50 per kg
3. **Russia**: $2.50 - $5.00 per kg
4. **Germany**: $2.80 - $5.50 per kg
5. **India**: $2.20 - $4.80 per kg
6. **Japan**: $3.00 - $6.00 per kg
7. **Brazil**: $2.50 - $5.50 per kg
8. **South Korea**: $2.80 - $5.50 per kg
9. **Philippines**: $2.50 - $5.00 per kg
10. **United Kingdom**: $3.00 - $6.00 per kg
11. **France**: $2.80 - $5.50 per kg
12. **Mexico**: $2.50 - $5.00 per kg
13. **Canada**: $2.50 - $5.50 per kg
14. **South Africa**: $2.50 - $5.00 per kg
15. **Egypt**: No results
16. **Turkey**: $2.50 - $5.00 per kg
17. **Thailand**: $2.20 - $4.80 per kg
18. **Indonesia**: $2.20 - $4.50 per kg

These ranges are approximate and may vary based on specific product grades and market conditions.