Description

1,1-Biphenyl-4,4-Diol, Polymer With 1,1-Sulfonylbis4-Chlorobenzene is a high-performance engineering polymer, specifically a poly(ether sulfone) (PES) resin, known for its exceptional thermal stability, mechanical strength, and chemical resistance. This material is critical for applications demanding reliability under extreme conditions, where commodity plastics fail. It is primarily utilized by manufacturers in the aerospace, automotive, medical device, and electronics industries for components that require enduring performance.

Application

• High-Temperature Membranes: Used in ultrafiltration, microfiltration, and gas separation processes due to its excellent thermal and hydrolytic stability.
• Medical Device Components: Ideal for surgical instrument handles, sterilization trays, and housings for diagnostic equipment, benefiting from its biocompatibility and ability to withstand repeated autoclaving.
• Aerospace & Automotive Parts: Manufactured into connectors, sensor housings, and under-the-hood components that must resist high temperatures, fuels, and lubricants.
• Electrical Insulation: Serves as a premium material for wire coatings, circuit board substrates, and coil bobbins where high dielectric strength and flame retardancy are required.
• Industrial Filtration: Key material for filter cartridges and support structures in aggressive chemical environments.
• Specialty Coatings and Adhesives: Formulated into high-performance coatings and adhesives for demanding industrial applications.

Basic Information

Product Name	1,1-Biphenyl-4,4-Diol, Polymer With 1,1-Sulfonylbis4-Chlorobenzene
CAS No.	25608-64-4
Molecular Formula	(C12H10O2 · C12H8Cl2O2S)n
Molecular Weight	Polymer - Contact for details
Synonyms	Poly(oxy-1,4-phenylenesulfonyl-1,4-phenyleneoxy-1,4-phenylenebis(1-methylethylidene)-1,4-phenylene); Polyethersulfone; PES; Polysulfone Ether; 4,4'-(Isopropylidenediphenoxy)bis(phenylsulfone) polymer; Poly(1,4-phenylene ether-1,4-phenylene-sulfone-1,4-phenylene-isopropylidene-1,4-phenylene); Udel PES; Victrex PES.
EINECS	Contact for details

Quality Control

Our polyethersulfone (PES) resins are produced under strict quality management systems. Each batch undergoes comprehensive analytical testing to ensure consistency in key parameters such as molecular weight, melt viscosity, thermal properties, and purity. Certificates of Analysis (COA) detailing lot-specific results are available upon request. We can support compliance with relevant standards for medical (ISO 10993, USP Class VI) and food contact applications.

Storage

Preserve in a tightly closed container, protected from light and moisture. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents and open flames. Ensure the storage area is clean to prevent contamination of the polymer pellets or powder.

Specification

Item	Specification
Appearance	White to off-white pellets or powder
Identification (IR)	Conforms to standard
Inherent Viscosity	0.35 - 0.65 dL/g (Typical)
Glass Transition Temperature (Tg)	220 - 230 °C
Melting Point	Amorphous Polymer
Ash Content	≤ 0.1 %
Moisture Content	≤ 0.05 %
Chloride Content	≤ 50 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.