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Breakdown of several typical high performance flame retardant fiber
2013-10-31 by bridge
(1) Nomex ~ Series fiber is representative of flame-retardant fiber in the ramid fabrics 1313.
Under the same conditions, the Nomex ® fibers coated air temperature and Nomex fibers coated brass air
Temperature with the outside temperature rises and draw out the comparison of FIG. Seen from Figure l, the inside air temperature of the Nomex fiber coated with the rise of outside temperature is also increased, but there is a certain temperature difference within and outside the fiber. When the outside temperature exceeds 100 ° C, the temperature difference is gradually increased, the maximum temperature difference is 45 ° C. However, when the outside temperature exceeds 220c (= the temperature difference between inside and outside is gradually reduced to about 400 ° C, almost zero. Therefore, at a certain temperature, Nomex fibers have a certain heat-insulating properties, but its heat-insulating properties with temperature increases gradually decreased until no insulation effect.
(2) by the Japan successfully developed flame-retardant fiber to a high degree of flame resistance when exposed to heat, shrink into a carbonized layer security is stronger than the molten acrylic and polyester. The newly developed mixed to achieve the purpose of fire-retardant fibers such as wool, cotton, can solve the problem of traditional flame retardant(flash hood) textile feel, breathability and moisture absorption bad.
(3) Basofil ~ fiber is the melamine fiber Germany successfully developed and put into production, with high solvent resistance and good flame retardant properties, limiting oxygen index can be as high as 32. In addition, excellent thermal stability, low thermal conductivity, and exposure in the flame does not melt, Notations, no droplet, is a fiber used in the field of flame-retardant protective. But its fiber is relatively brittle, hard, initial modulus, rupture strength is low, the processing tension condition that should be noted in the fibers after production processing. Processed products in the anti-high-strength under the conditions of use, you should consider blended with other high-performance fibers.
(4) R & D by our PSA (the commodity called Tanlon ~~), limiting oxygen index up to 33, and has good chemical stability and electrical insulation properties, radiation resistance and dyeability. PSA has no melting point, its decomposition at high temperatures 400oC above, but does not melt, shrink or only showed a slight contraction, automatically from the flame extinguished, no continued burning or smoldering phenomenon applies to resistance
High-temperature insulation materials and fire the outer layer of the fabric, firefighters protective equipment, such as underwear, gloves, footwear, helmets, etc. can also be made. PSA fibers belong to a class of aromatic polyamide fibers. CH-CH (p-phenylene structure) and S0 (sulfone group) is introduced in the fiber molecule, so that an amide group and a sulfone group interconnected bit phenyl (75%) and m-phenyl (25%) , constitute linear macromolecular structures. This structure is very strong, and is easily destroyed in the high temperature conditions nor. Thus, the PSA fibers having excellent flame and heat resistance, high-temperature dimensional stability, electrical insulating properties, and radiation properties, as well as good mechanical properties, chemical stability and dyeing properties.
Under the same conditions, the Nomex ® fibers coated air temperature and Nomex fibers coated brass air
Temperature with the outside temperature rises and draw out the comparison of FIG. Seen from Figure l, the inside air temperature of the Nomex fiber coated with the rise of outside temperature is also increased, but there is a certain temperature difference within and outside the fiber. When the outside temperature exceeds 100 ° C, the temperature difference is gradually increased, the maximum temperature difference is 45 ° C. However, when the outside temperature exceeds 220c (= the temperature difference between inside and outside is gradually reduced to about 400 ° C, almost zero. Therefore, at a certain temperature, Nomex fibers have a certain heat-insulating properties, but its heat-insulating properties with temperature increases gradually decreased until no insulation effect.
(2) by the Japan successfully developed flame-retardant fiber to a high degree of flame resistance when exposed to heat, shrink into a carbonized layer security is stronger than the molten acrylic and polyester. The newly developed mixed to achieve the purpose of fire-retardant fibers such as wool, cotton, can solve the problem of traditional flame retardant(flash hood) textile feel, breathability and moisture absorption bad.
(3) Basofil ~ fiber is the melamine fiber Germany successfully developed and put into production, with high solvent resistance and good flame retardant properties, limiting oxygen index can be as high as 32. In addition, excellent thermal stability, low thermal conductivity, and exposure in the flame does not melt, Notations, no droplet, is a fiber used in the field of flame-retardant protective. But its fiber is relatively brittle, hard, initial modulus, rupture strength is low, the processing tension condition that should be noted in the fibers after production processing. Processed products in the anti-high-strength under the conditions of use, you should consider blended with other high-performance fibers.
(4) R & D by our PSA (the commodity called Tanlon ~~), limiting oxygen index up to 33, and has good chemical stability and electrical insulation properties, radiation resistance and dyeability. PSA has no melting point, its decomposition at high temperatures 400oC above, but does not melt, shrink or only showed a slight contraction, automatically from the flame extinguished, no continued burning or smoldering phenomenon applies to resistance
High-temperature insulation materials and fire the outer layer of the fabric, firefighters protective equipment, such as underwear, gloves, footwear, helmets, etc. can also be made. PSA fibers belong to a class of aromatic polyamide fibers. CH-CH (p-phenylene structure) and S0 (sulfone group) is introduced in the fiber molecule, so that an amide group and a sulfone group interconnected bit phenyl (75%) and m-phenyl (25%) , constitute linear macromolecular structures. This structure is very strong, and is easily destroyed in the high temperature conditions nor. Thus, the PSA fibers having excellent flame and heat resistance, high-temperature dimensional stability, electrical insulating properties, and radiation properties, as well as good mechanical properties, chemical stability and dyeing properties.
keywords: Fire Fighter Apparel