Polyphenylene sulfide (abbreviated as PPS) is a thermoplastic resin developed in the late 20th century that has good heat resistance, excellent chemical resistance and flame retardancy, and good dimensional stability. Its chemical resistance is superior to aramid 1313 fibers, polyimides and other specialty fibers. It is insoluble in any solvent below 200 degrees Celsius, and is second only to PTFE, which is known as "plastic king" in terms of chemical stability. Good chemical resistant material. The introduction of products has attracted attention in the industrial field, especially in the field of high-temperature filtration, and has become the first choice of filter materials for coal gas power plant flue gas dust removal and exhaust filtration of municipal waste incineration plants.
Sinopec's first polyphenylene sulfide staple fiber production line has recently been successfully launched in Tianjin Petrochemical . The excellent properties of PPS fibers have led to the continuous development of their use. Filtration materials for chlor-alkali industry, coating and dielectric materials for the electronics industry, and heat-resistant and flame-retardant materials for the aerospace industry have gradually adopted PPS fiber products. The demand for PPS fibers has increased year by year and has a good market prospect.
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