polyether ether ketone chemical formula

Welcome to our article on Polyether Ether Ketone (PEEK) in Singapore! In this series, we will explore the fascinating world of PEEK, a thermoplastic polymer with a remarkable chemical formula: (C19H24O3)n. PEEK is known for its outstanding properties and has found extensive use in various industries across the globe.

PEEK is a semi-crystalline polymer that boasts exceptional stability and high temperature resistance. Its unique chemical structure, consisting of repeat units of ether and ketone groups, contributes to its excellent mechanical properties and chemical inertness. In other words, PEEK is a material that can withstand demanding conditions and perform reliably in a wide range of applications.

Are you ready to dive deeper into the world of PEEK? Read on to discover more about its material properties, applications, synthesis, key players in the market, and what the future holds for this exceptional polymer.

PEEK Material and Properties

PEEK (Polyether Ether Ketone) is a highly versatile material that exhibits a wide range of exceptional properties. Its unique combination of characteristics makes it a sought-after choice in various industries. Let’s take a closer look at the material and properties that make PEEK stand out.

Thermal Stability

One of the remarkable features of PEEK is its exceptional thermal stability. It has a high melting point of around 343°C, allowing it to withstand extreme temperatures. This property makes PEEK suitable for applications that involve high-temperature environments, such as aerospace and automotive industries.

Mechanical Strength

PEEK possesses outstanding mechanical strength, making it a reliable material for demanding applications. It has a high tensile strength and stiffness, providing durability and structural integrity. Whether it’s in load-bearing components or parts subjected to heavy stress, PEEK delivers superior performance.

Chemical Resistance

PEEK is known for its resistance to chemicals, including acids, bases, and organic solvents. This property ensures that PEEK remains unaffected by corrosive substances, making it ideal for applications where exposure to aggressive chemicals is a concern. From chemical processing to oil and gas industries, PEEK offers long-lasting performance.

Low Friction

PEEK exhibits low friction properties, which reduce wear and tear in sliding or rotating applications. Its low coefficient of friction allows for smooth movement and reduces energy consumption. This property makes PEEK an excellent choice for bearings, gears, and other components that require efficient and reliable operation.

Electrical Insulation

Another noteworthy property of PEEK is its excellent electrical insulation capability. It exhibits high dielectric strength and low dielectric constant, making it suitable for electrical and electronic applications. PEEK is widely used in connectors, insulators, and circuit boards where electrical performance and reliability are critical.

Resistance to Hydrolysis

PEEK is resistant to hydrolysis, making it highly resilient in humid or wet environments. This property sets it apart from many other polymers that are prone to degradation when exposed to moisture. With its resistance to hydrolysis, PEEK is a preferred choice for applications in harsh and challenging conditions.

As you can see, PEEK’s material and properties make it an exceptional choice for various industries. Its thermal stability, mechanical strength, chemical resistance, low friction, electrical insulation, and resistance to hydrolysis contribute to its versatility and reliability. In the next section, we will explore the wide range of applications and uses for PEEK. But first, let’s visualize the outstanding properties of PEEK with a comprehensive table:

Property Description
Thermal Stability High melting point of approximately 343°C
Mechanical Strength High tensile strength and stiffness
Chemical Resistance Resistance to acids, bases, and solvents
Low Friction Reduces wear and tear, low coefficient of friction
Electrical Insulation High dielectric strength, low dielectric constant
Resistance to Hydrolysis Resistant to degradation in humid or wet environments

Now that we have explored the remarkable properties of PEEK, let’s move on to the diverse applications and uses of this extraordinary material.

PEEK Applications and Uses

PEEK is a highly versatile material with a wide range of applications across various industries. Its unique combination of properties makes it suitable for use in demanding environments where strength, heat resistance, and chemical inertness are essential.

In the aerospace industry, PEEK is widely used for a variety of aircraft components. Its high strength and heat resistance make it an excellent choice for engine parts, seals, and bearings, ensuring reliable performance even under extreme conditions.

PEEK also finds extensive use in the electrical and electronics industry, where its excellent electrical properties make it a preferred material for connectors, insulators, and circuit boards. Its high dielectric strength and low dissipation factor contribute to the efficiency and reliability of electronic systems.

Furthermore, PEEK has made significant contributions to the automotive industry, where it is utilized in various applications. Its resistance to chemicals and ability to withstand high temperatures make it ideal for fuel systems, engine components, and electrical connectors, ensuring durability and performance.

Aside from aerospace and automotive, PEEK has found its place in healthcare and medical applications. Its biocompatibility, sterilizability, and resistance to bodily fluids make it suitable for implants, surgical instruments, and dental applications. PEEK also plays an essential role in the manufacturing of prosthetics, contributing to improved patient outcomes and quality of life.

In the home appliance industry, PEEK is used in applications such as circuit breakers, switches, and pump components, benefiting from its superior electrical properties and resistance to wear and tear. The chemical resistance of PEEK also makes it valuable in chemical processing, oil and gas, and other industrial applications.

Here is a table outlining some key applications of PEEK:

Industry Applications
Aerospace Aircraft components, including engine parts, seals, and bearings
Electrical and Electronics Connectors, insulators, circuit boards
Automotive Fuel systems, engine components, electrical connectors
Healthcare and Medical Implants, surgical instruments, dental applications
Home Appliances Circuit breakers, switches, pump components
Chemical Processing Valves, seals, pump components

PEEK’s versatility and exceptional properties have made it a preferred material across multiple industries. Its ability to withstand challenging environments and deliver consistent performance has solidified its position as a go-to material for various applications.

PEEK applications

PEEK Synthesis and Manufacturing

PEEK, short for Polyether Ether Ketone, is a thermoplastic polymer with a complex chemical structure that gives it exceptional properties. In this section, we will explore how PEEK is synthesized and manufactured to create its unique semi-crystalline structure.

Synthesis Process

PEEK is synthesized through a process known as step-growth polymerization. This process involves the reaction of two monomers, bisphenol A and difluorobenzophenone, in the presence of a catalyst. The reaction between these monomers forms the backbone of the PEEK polymer chain.

The step-growth polymerization process results in the formation of long polymer chains, giving PEEK its semi-crystalline structure. The combination of the ether and ketone groups in the polymer chain contributes to its exceptional stability, high temperature resistance, and mechanical strength.

Manufacturing Methods

Once synthesized, PEEK can be manufactured using various methods depending on the desired form of the final product. The most common manufacturing methods for PEEK include:

  1. Injection Molding: This method involves melting the PEEK pellets and injecting the molten material into a mold. The mold is then cooled and opened to release the solidified PEEK product.
  2. Extrusion: PEEK can also be extruded into various forms, such as rods, sheets, or tubes. The extrusion process involves pushing the molten PEEK material through a die to create the desired shape.
  3. Compression Molding: In compression molding, the PEEK material is first heated and placed into a mold cavity. Pressure is then applied to compress the molten material, allowing it to solidify into the desired shape.

These manufacturing methods ensure that PEEK can be produced in different forms to suit a wide range of applications in various industries.

Let’s now take a closer look at the properties and applications of PEEK in the next sections.

PEEK synthesis

PEEK Market and Key Players

In the rapidly evolving world of thermoplastic polymers, the PEEK market is poised for significant growth in the coming years. The increasing demand from various industries has created a thriving market for this versatile material. As PEEK finds applications in diverse sectors such as aerospace, automotive, electrical, healthcare, and more, the demand for high-performance polymers continues to rise.

In this dynamic market, several key players have emerged as industry leaders, driving innovation and setting the benchmark for quality. Some of the prominent PEEK manufacturers dominating the market include:

  • Victrex plc: A global leader in PEEK manufacturing, Victrex plc combines pioneering research, unrivaled expertise, and advanced manufacturing capabilities to deliver high-performance polymer solutions.
  • Solvay: Solvay is a leading chemical company that produces PEEK with exceptional properties, enabling its customers to achieve technological breakthroughs in various industries.
  • Evonik Industries AG: Evonik Industries AG focuses on delivering innovative solutions through its PEEK products, catering to the complex requirements of industries ranging from medical to oil and gas.
  • RTP Company: RTP Company specializes in providing custom-engineered PEEK compounds tailored to meet specific customer requirements, thereby offering unique solutions in a wide range of applications.

These companies play a pivotal role in shaping the PEEK market, continually investing in research and development to improve the performance and expand the application range of this exceptional material. By staying at the forefront of innovation, these key players contribute to the advancement of various industries and drive the adoption of PEEK as a preferred solution.

PEEK market and key players

Key Players in the PEEK Market

Company Website
Victrex plc https://www.victrex.com/
Solvay https://www.solvay.com/
Evonik Industries AG https://corporate.evonik.com/
RTP Company https://www.rtpcompany.com/

With the combined expertise and commitment of these leading manufacturers, the PEEK market is poised to grow exponentially, offering innovative solutions to meet the evolving needs of industries worldwide.


In conclusion, Polyether Ether Ketone (PEEK) is a highly versatile thermoplastic polymer with exceptional characteristics. Its high temperature resistance, mechanical strength, chemical inertness, and electrical properties make it ideal for a wide range of applications in various industries.

With its unique chemical formula and semi-crystalline structure, PEEK offers exceptional stability and durability, making it suitable for demanding environments. From aerospace and automotive to electrical and electronics, PEEK finds its applications across diverse sectors.

The market demand for PEEK is projected to grow significantly in the coming years as industries seek high-performance materials. Key players, such as Victrex plc, Solvay, and Evonik Industries AG, dominate the PEEK market and continue to invest in research and development to enhance its performance and expand its application range.

As the demand for advanced polymers continues to rise, PEEK is poised to play a crucial role in shaping the future of various industries in Singapore and beyond. Its exceptional characteristics make it a material of choice for manufacturers seeking reliable and durable solutions.


What is the chemical formula of Polyether Ether Ketone (PEEK)?

The chemical formula of PEEK is (C19H24O3)n.

What are the properties of PEEK?

PEEK exhibits high temperature resistance, excellent mechanical properties, chemical inertness, and electrical insulation properties. It has a melting point of around 343°C, high mechanical strength, low friction, and resistance to chemicals and hydrolysis.

What are the applications and uses of PEEK?

PEEK is used in various industries and applications, including aerospace for aircraft components, electrical and electronics for connectors and circuit boards, automotive for fuel systems and engine components, healthcare, home appliances, and more.

How is PEEK synthesized and manufactured?

PEEK is synthesized through step-growth polymerization, which involves the reaction of bisphenol A and difluorobenzophenone in the presence of a catalyst. It can be manufactured using methods such as injection molding, extrusion, and compression molding.

Who are the key players in the PEEK market?

Key players in the PEEK market include Victrex plc, Solvay, Evonik Industries AG, RTP Company, and many others.

What is the future of PEEK in various industries?

With its exceptional properties, PEEK is expected to play a crucial role in shaping the future of various industries due to its high performance and versatility.

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