Polyphenylene Sulfide Properties, Molecular Formula, Applications - WorldOfChemicals

Polyphenylene Sulfide Properties

Polyphenylene Sulfide

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Polyphenylene Sulfide is an organic polymer consisting of aromatic rings linked with sulfides. Synthetic fiber and textiles derived from this polymer are known to resist chemical and thermal attack. It is used to make filter fabric for coal boilers, papermaking felts, electrical insulation, specialty membranes, gaskets, and packings. Polyphenylene Sulfide is the precursor to a conducting polymer of the semi-flexible rod polymer family. The PPS, which is otherwise insulating, can be converted to the semiconducting form by oxidation or use of dopants. Polyphenylene sulfide is an engineering plastic, commonly used today as a high-performance thermoplastic. It can be molded, extruded, or machined to high tolerances. In its pure solid form, it may be opaque white to light tan in color. Maximum service temperature is 218 °C (424 °F). Polyphenylene Sulfide has not been found to dissolve in any solvent at temperatures below approximately 200 °C. It is one of the most important high temperature thermoplastic polymers because it exhibits a number of desirable properties. These properties include resistance to heat, acids and alkalies, and to mildew, to bleaches, aging, sunlight, and abrasion. Polyphenylene Sulfide absorbs only small amounts of solvents and resists dyeing. Polyphenylene Sulfide is formed by reaction of sodium sulfide with p-dichlorobenzene.

Chemical Properties

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