Liquidcristpolímero (LCP) fibra
300D 500D 1500D 1600D
Poliarilato (LCP) fibra, propiedades y el rendimiento
Cantidad
LCP, or polyarylate, fibers and para-aramid fibers both belong to liquid crystal polymer fibers. Their monomers both have a para-structure, and the molecular chains have similar arrangement characteristics. Therefore, they possess similar mechanical properties, such as high tensile strength, high modulus, low creep and other characteristics.
| LCP Fiber | P-aramid | |
| Polymer | Polymer formed by ester bonds connecting aromatic groups | Polymer formed by amide bonds connecting aromatic groups. |
| Property | Thermoplastic，melting point around 330C | Thermosetting,no melting point |
| Spinning Process | Fiber products are obtained through heat treatment after melt spinning. The spinning process is relatively simple and is mainly completed by heating. | PPTA need to be solved in sulfuric acid before spinning into yarn. The cost also increased on sulfuric acid recycling and equipments. |
| Main cost from | Polymer | Spinning process |
| Comercializaition since | Yr 1990 (Japan) | Yr 1972 (USA) |
| Global Capacity | less than 10,000 MT/a | around 100,000 MT/a |
Molecular Structure： LCP, or Polyarylate P-aramid
Features of LCP Fiber
1. High strength and modulus 2. Low Dk, Df 3. Outstanding cut resistance 4. Excellent creep resistance 5.Vibration damping property 6.Excellent flex/fold characteristics 7.Low coefficient of thermal 8. Heat resistance 9. Abrasion resistance 10. Chemical resistance 11. High impact strength 12. Low water absorption 13. Low volume expansion 14. High dielectric strength. expansion
The mechanical properties of LCP Fiber
LCP fiber possess excellent mechanical properties:： The tensile properties of LCP fibers are similar to those of para-aramid fibers. The tensile strength is higher than that of conventional para-aramid fibers and is similar to that of heterocyclic aramid fibers (such as Technora); The elongation at break is similar to that of conventional para-aramid fibers and is slightly lower than that of heterocyclic aramid fibers (such as Technora). Abrasion resistance performance: The yarn to yarn abraision resistance is significantly better than that of ordinary para-aramid fibers. Other mechanical properties are also superior to those of conventional para-aramid fibers, including: Creep Bending resistance Impact resistance Cutting resistance
Tensile Properties of Industrial Fibers
