Polysulfone Polymer

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(psu) polysulfan

Polysulfone

Physical Properties PSU and PES are both rigid and amorphous materials. They exhibit high strength and stiffness. PSU and PES offer excellent dimensional stability, maintaining their shape and size under various conditions. The materials have good resistance to creep, allowing them to withstand prolonged stress. PSU and PES have high heat resistance and can withstand elevated temperatures. They have low moisture absorption. Typical Applications PSU and PES are commonly used in applications that require high-temperature resistance, mechanical strength, and chemical resistance. They find applications in the production of automotive components, aerospace parts, electrical and electronic components, medical devices, membranes, and more. Structure PSU and PES have a linear polymer structure with repeating sulfone and ether groups. The presence of sulfone and ether linkages in the polymer backbone contributes to their high-temperature stability and chemical resistance. Identification PSU and PES are combustible and can burn with a yellow flame. When extinguished, they may emit a characteristic odor. Useful data Density: The density of PSU and PES is approximately 1.24-1.38 g/cm . Pre-Drying: Pre-drying is generally not required for PSU and PES unless they have been exposed to moisture. If needed, drying can be done at temperatures around 120-150 C for several hours. Melt Temperature: The recommended melt temperature for PSU and PES is typically in the range of 330-400 C. Mold Temperature: The mold temperature for PSU and PES is usually set between 150-200 C, depending on the specific requirements and part geometry. Shrinkage: PSU and PES exhibit low shrinkage, typically less than 1%.

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Polymers

Polysulfone Polymer

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Properties: Polysulfones are a family of thermoplastic polymers. These polymers are known for their toughness and stability at high temperatures. They contain the subunit aryl-SO2-aryl, the defining feature of which is the sulfone group.Due to the high cost of raw materials and processing, polysulfones are used in specialty applications and often are a superior replacement for polycarbonates. Polysulfone is often used as a copolymer. High-strength Very high dimensional stabilityHighly resistant to mineral acids, alkali, and electrolytesResistant to oxidizing agentsHigh compaction resistanceResistant to high temperaturesTemp Range: 100 C and 150 CApplications:Used in medical applications requiring autoclave and steam sterilization. Also used in the automotive and electronic industries.

Polysulfone is one of the high performance thermoplastics that competes for application with polycarbonate and PPO, because it exhibits little change in mechanical properties with temperature. Polysulfone can be used at continuous temperatures in air up to 163 C, without fear of degradation, and with 75% of its flexural modulus retained up to 160 C.Chemical resistance to acids and alkalies is excellent, and resistance to oils, greases, and detergents is good. However, polysulfone is attacked by polar solvents such as ketones, aromatic hydrocarbon solvents, and halogenated solvents.Low mold shrinkage, dimensional stability, self-extinguishing nature, and ability to be electroplated enable polysulfone to be used in such applications as: electronic connectors; meter housings; kitchen hardware; alkaline battery cases; wire coating; electric iron handles; and shower heads.

Polymers