Sulfar

From Academic Kids

Sulfar fiber (1983) is a nonconductive fiber made from polyphenylene sulfide that has excellent resistance to chemical and thermal attack; it has become widespread as a filter fabric for coal boilers, papermaking felts, electrical insulation, specialty membranes, gaskets, and packings.

Contents

Sulfar fiber characteristics

Major Industrial Sulfar Fiber Uses

Production

The Federal Trade Commission definition for sulfar fiber is "A manufactured fiber in which the fiber-forming substance is a long chain synthetic polysulfide in which at least 85% of the sulfide (S) linkages are attached directly to two (2) aromatic rings."

The PPS (polyphenylene sulfide) polymer is formed by reaction of sulfur with dichlorobenzene and then extruded by melt spinning to produce both staple and filament fibers.

First U.S. Commercial Sulfar Fiber Production: 1983, Phillips Fibers Corporation, A Subsidiary of Phillips 66 Company

Current U.S. Sulfar Fiber Producers: (Sulfar is not produced in the United States. The only producer is Toray Industries, Inc. Japan)

References

See also

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