What is polysulfone material?

PSU (polysulfone) is a high temperature, amber colored, semi-transparent plastic material with good mechanical properties. Polysulfone is resistant to degradation from hot water and steam and it is often used in medical and food preparation applications where repeated sterilization is required.

Is polysulfone a plastic?

Transparent Plastic With High Strength & Rigidity Udel® PSU (polysulfone) is a rigid, high-strength, semi-tough, transparent plastic that offers higher heat resistance and better hydrolytic stability than polycarbonate.

What is the density of polysulfone?

8.2. 2 Polysulfones Properties

Property	Units	Polysulfone (PSU)
Density	g/cc	1.24
Light transmittance	%	70
Water absorption at equilibrium	%	0.5
Glass transition temperature	°C	185

What is polysulfone membrane?

Polysulfone (PSF) membrane filters are employed as thermoplastic material in fabricating membranes for use in water ultrafiltration systems and gas separation. However, PSF membrane filters have seldom been used in aerosol filtration.

What is polyethersulfone used for?

Polyethersulfone (PES), as shown in Figure ​1, is considered one of the well-known polymeric material to be used to make ultrafiltration (UF), microfiltration (MF), and gas separation membranes since it provides unique properties such as outstanding thermal, mechanical, hydrolytic strength in both hot and wet …

Can you machine polysulfone?

Machining PSU (Polysulfone) AIP uses computer controlled annealing ovens for the highest quality precision machining of PSU and other thermoplastics. Non-aromatic, water-soluble coolants are most suitable for ideal surface finishes and close tolerances. These include pressurized air and spray mists.

What is PES membrane?

Polyethersulfone (PES) membrane for aqueous solutions provides removal of fine particles, bacteria, and fungi making it a versatile membrane for applications such as sample preparation, sterile filtration and infusion therapy.

What is polysulfone dialyzer?

Summary: Polysulfone (PS) membranes with polyvinylpyrrolidone (PVP) as a hydrophilic agent are widely used in dialysis, but blood components adhere to the membrane surface. We developed a new dialyzer, NV, by localizing a new hydrophilic polymer onto the inner surface of a hollow-fiber membrane composed of PS and PVP.

Is polyethersulfone hydrophilic or hydrophobic?

hydrophilic
Polyethersulfone membrane are generally hydrophilic.

Is polyethersulfone hydrophobic?

Hydrophobicity of polyethersulfone is considered one main disadvantage of using this material because hydrophobic surface causes biofouling effects to the membrane which is always thought to be a serious limitation to the use of polyethersulfone in membrane technology.

What is PES made of?

-1,4-phenylene), or poly (oxy-p-phenylsulfonyl-p-phenylene), abbrevi- ated as PES) is an amorphous, transparent, and pale amber high-performance thermoplastic consisting of repeating phenyl groups linked by thermally stable ether and sulfonic (-SO2-) groups.

How is polysulfone made?

The simplest polysulfone poly(phenylene sulfone), known as early as 1960, is produced in a Friedel-Crafts reaction from benzenesulfonyl chloride: n C6H5SO2Cl → (C6H4SO2)n + n HCl. With a melting point over 500 °C, the product is difficult to process.

What is polysulfone used for?

Polysulfone allows easy manufacturing of membranes, with reproducible properties and controllable size of pores down to 40 nanometers. Such membranes can be used in applications like hemodialysis, waste water recovery, food and beverage processing, and gas separation.

Is PES hydrophobic or hydrophilic?

hydrophilic membrane
PES is an inherently hydrophilic membrane that wets out quickly and completely resulting in fast filtration with superior flow rates and high throughputs. PES membrane is also extremely low protein binding minimizing the likelihood of target analyte binding.

What is high-flux Dialyser?

High-flux dialysis is defined as a β2-microglobulin clearance of over 20 ml/min (1, 2).

What is PES plastic?

PES plastic is a high temperature engineering thermoplastic with outstanding tolerance to temperatures for long periods. PES polymer offers high mechanical strength and rigidity, coupled with relatively low notch sensitivity. In addition, polyethersulfone offers good chemical compatibility and hydrolysis resistance.

What is PES resin?

Polyethersulfone (PES) is an amorphous, highly heat-resistant and transparent thermoplastic synthesized by nucleophilic aromatic substitution between dichlorodiphenyl sulfone and the sodium salt of 1,4-dihydroxybenzene with elimination of sodium chloride.

What is PES fabric?

PES may just be the most well-known (synthetic) fibre. You might know it by its more common name: polyester. That’s because polyester can often be found in other fibre blends, such as wool, viscose or cotton. It also means that you’ll spot it most in airy summer clothes like the Arlette skirt.

What are the properties of polysulfone?

It has good impact and electrical properties and good resistance to inorganic acids and bases. Polysulfone also has superior hydrolytic stability against hot water and steam sterilization. Polysulfone resists detergents and hydrocarbon oils well even at high temperatures under moderate stress levels.

What is polysulfone thermoplastics?

Polysulfone has one of the highest service temperatures among all melt-processable thermoplastics. Its resistance to high temperatures gives it a role of a flame retardant, without compromising its strength that usually results from addition of flame retardants.

Do polysulfones contain aryl?

Technically used polysulfones contain an aryl – SO 2 -aryl subunit. Due to the high cost of raw materials and processing, polysulfones are used in specialty applications and often are a superior replacement for polycarbonates .

Can polysulfone be reinforced with glass?

Polysulfone can be reinforced with glass fibers. The resulting composite material has twice the tensile strength and three times increase of its Young’s modulus. Polysulfone is often used as a copolymer.