High CIS Poly Butadiene Rubber

High Cis Polybutadiene Rubber (High Cis PBR) is a synthetic rubber that boasts a high proportion of cis-1,4-polybutadiene units within its polymer chains. This unique configuration endows the material with several advantageous properties, making it a highly sought-after material, particularly in the tire industry.

OVERVIEW OF High CIS Poly Butadiene Rubber

High Cis-Polybutadiene Rubber (High Cis-PBR) is a synthetic rubber that boasts a high proportion of cis-1,4-polybutadiene units within its polymer chains. This unique configuration endows the material with several advantageous properties, making it a highly sought-after material, particularly in the tire industry.

Manufacturing Process:

  1. Polymerization:
    • Preparation: The production of high CIS polybutadiene begins with the polymerization of butadiene monomers. This process is typically carried out in a solution polymerization method.
    • Catalysis: A Ziegler-Natta or anionic catalyst is used to control the polymerization process. These catalysts help in achieving a high cis-1,4 structure in the polymer chain.
    • Polymerization Reaction: The butadiene is polymerized to form polybutadiene with a high proportion of cis-1,4 links. This configuration gives the rubber its desirable mechanical properties.
    • Processing: After polymerization, the rubber is often compounded with various additives such as stabilizers, antioxidants, and plasticizers to enhance its performance and processability.
  2. Processing:
    • Compounding: The high CIS polybutadiene rubber is blended with other materials to create a compound that meets specific performance requirements.
    • Processing: The compound is then processed into its final form through extrusion, molding, or other methods.

Characteristics:

  1. Polymer Structure:
    • Cis Content: Typically >95% cis-1,4 configuration, which results in distinctive physical properties.
    • Molecular Weight: Can vary; higher molecular weight generally improves mechanical properties and processing characteristics.
  2. Physical Properties:
    • Mooney Viscosity: Usually ranges from 30 to 100 Mooney units, affecting processability and ease of mixing.
    • Tensile Strength: High, providing robust mechanical strength.
    • Elongation at Break: Very high, indicating excellent flexibility and stretchability.
    • Hardness: Typically adjustable, ranging from Shore A 40 to 90, depending on the formulation.
  3. Key Characteristics:
    • Flexibility: Excellent flexibility at low temperatures due to the high cis content.
    • Low Glass Transition Temperature (Tg): Around -100°C (-148°F), ensuring flexibility even in cold environments.
    • Resilience: High resilience, meaning it can return to its original shape after deformation.
    • Wear Resistance: Superior abrasion resistance, making it suitable for high-wear applications.
    • High Tear Strength: Enhanced ability to resist tearing under stress.

Applications of High cis-Polybutadiene Rubber:

  1. Automotive Industry:
    • Tires: Predominantly used in tire treads and sidewalls for its high wear resistance, grip, and performance under various conditions.
    • Automotive Seals and Gaskets: Utilized in seals and gaskets that need to withstand harsh conditions and provide flexibility.
  2. Industrial Applications:
    • Conveyor Belts: Applied in belts subject to heavy abrasion and wear.
    • Industrial Hoses: Used in hoses requiring flexibility and high resistance to wear.
  3. Consumer Products:
    • Footwear: Incorporated into shoe soles and other rubber components to enhance durability, comfort, and flexibility.
    • Sports Equipment: Used in grips, padding, and other items that benefit from high resilience and flexibility.
  4. Agricultural Machinery:
    • Belts and Hoses: Utilized in machinery parts that face abrasive conditions and require flexibility.
  5. Construction:
    • Rubber Mats: Provides cushioning and durability for various flooring applications.
    • Sealants: Used in construction applications where flexibility and durability are important.
  6. Medical Applications:
    • Medical Devices: Certain formulations are used in devices needing high flexibility and resilience.
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Types of High CIS Poly Butadiene Rubber

Nickel Catalyst

Using Nickel Catalysts in the production process of Butadiene Rubber (BR) can impart specific characteristics to the resulting rubber.

Characteristics:

  1. High CIS Content: Nickel Catalysts promote the formation of cis-polybutadiene, resulting in BR with a High CIS content. High CIS content imparts excellent mechanical properties such as high elasticity, resilience, and tensile strength.
  2. Low Vinyl Content: Nickel Catalysts typically produce BR with low vinyl content. Low vinyl content helps improve the polymer’s processability and reduces its tendency for heat buildup, making it suitable for various processing methods.
  3. Narrow Molecular Weight Distribution: Nickel Catalysts can facilitate the production of BR with a narrow molecular weight distribution. This results in consistent rubber properties and improved processing characteristics.
  4. Excellent Abrasion Resistance: BR produced with Nickel Catalysts exhibits excellent abrasion resistance, making it suitable for applications where wear resistance is essential, such as tire treads and conveyor belts.

Applications:

  1. Tire Manufacturing: BR with characteristics achieved through nickel catalysis is commonly used in tire manufacturing. Its High CIS content provides superior traction, rolling resistance, and durability, contributing to the performance and longevity of tires.
  2. Automotive Components: BR is utilized in various automotive components, including seals, gaskets, hoses, and vibration dampeners. Its excellent mechanical properties and resistance to abrasion make it well-suited for these applications.
  3. Industrial Goods: BR is employed in the production of industrial goods such as conveyor belts, seals, gaskets, and industrial hoses. Its abrasion resistance, resilience, and durability make it suitable for demanding industrial environments.
  4. Consumer Products: BR is used in a range of consumer products, including footwear, sporting goods, and rubberized fabrics. Its resilience, flexibility, and resistance to abrasion contribute to the performance and longevity of these products.
  5. Adhesives and Sealants: BR can be utilized as a base polymer in the formulation of adhesives and sealants due to its compatibility with various additives and its ability to provide adhesion and flexibility.

Overall, BR produced with Nickel Catalysts finds applications across a wide range of industries where high-performance rubber materials are required. Its unique combination of properties makes it valuable in applications where durability, resilience, and abrasion resistance are critical.
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Neodymium Catalyst

Polybutadiene Rubber is produced through the polymerization of butadiene monomers. When combined with "Neodymium Catalyst," it indicates the usage of Neodymium-based Catalysts in the production process of Polybutadiene Rubber.

Characteristics of PBR Produced with Neodymium Catalyst:

  1. High Cis Content: Neodymium Catalysts can promote the formation of cis-polybutadiene, resulting in PBR with a High CIS content. High cis content imparts excellent mechanical properties such as high elasticity, resilience, and tensile strength.
  2. Low Vinyl Content: Neodymium Catalysts typically produce PBR with low vinyl content. Low vinyl content helps improve the polymer’s processability and reduces its tendency for heat buildup, making it suitable for various processing methods.
  3. Narrow Molecular Weight Distribution: Neodymium Catalysts can facilitate the production of PBR with a narrow molecular weight distribution. This results in consistent rubber properties and improved processing characteristics.
  4. Excellent Abrasion Resistance: PBR produced with Neodymium Catalysts exhibits excellent abrasion resistance, making it suitable for applications where wear resistance is essential, such as tire treads and conveyor belts.

Applications of PBR Produced with Neodymium Catalyst:

  1. Tire Manufacturing: PBR with characteristics achieved through neodymium catalysis is commonly used in tire manufacturing. Its High CIS content provides superior traction, rolling resistance, and durability, contributing to the performance and longevity of tires.
  2. Automotive Components: PBR is utilized in various automotive components, including seals, gaskets, hoses, and vibration dampeners. Its excellent mechanical properties and resistance to abrasion make it well-suited for these applications.
  3. Industrial Goods: PBR is employed in the production of industrial goods such as conveyor belts, seals, gaskets, and industrial hoses. Its abrasion resistance, resilience, and durability make it suitable for demanding industrial environments.
  4. Consumer Products: PBR is used in a range of consumer products, including footwear, sporting goods, and rubberized fabrics. Its resilience, flexibility, and resistance to abrasion contribute to the performance and longevity of these products.
  5. Adhesives and Sealants: PBR can be utilized as a base polymer in the formulation of adhesives and sealants due to its compatibility with various additives and its ability to provide adhesion and flexibility.

Overall, PBR produced with Neodymium Catalysts finds applications across a wide range of industries where high-performance rubber materials are required. Its unique combination of properties makes it valuable in applications where durability, resilience, and abrasion resistance are critical.
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Cobalt Catalyst

Polybutadiene Rubber (PBR) produced with Cobalt Catalysts exhibits certain characteristics and finds applications across various industries.

Characteristics of PBR Produced with Cobalt Catalysts:

  1. High CIS Content: Cobalt Catalysts promote the formation of cis-polybutadiene, resulting in PBR with a High CIS content. This molecular structure enhances properties such as elasticity, resilience, and tensile strength.
  2. Narrow Molecular Weight Distribution: Cobalt Catalysts facilitate controlled polymerization, leading to PBR with a narrow molecular weight distribution. This results in consistent rubber properties and improved processing characteristics.
  3. Good Processability: PBR produced with Cobalt Catalysts typically exhibits good processability, allowing for ease of molding, extrusion, and other processing methods.
  4. High Tensile Strength: The molecular structure influenced by Cobalt Catalysts contributes to PBR’s high tensile strength, making it suitable for applications requiring mechanical durability.
  5. Excellent Abrasion Resistance: PBR produced with Cobalt Catalysts demonstrates excellent abrasion resistance, making it suitable for applications subject to wear and tear.

Applications of PBR Produced with Cobalt Catalysts:

  1. Tire Manufacturing: PBR with characteristics achieved through Cobalt Catalysis is commonly used in tire manufacturing. Its High CIS content provides superior traction, rolling resistance, and durability, contributing to tire performance and longevity.
  2. Automotive Components: PBR is utilized in various automotive components, including seals, gaskets, hoses, and vibration dampeners. Its excellent mechanical properties and resistance to abrasion make it well-suited for these applications.
  3. Industrial Goods: PBR is employed in the production of industrial goods such as conveyor belts, seals, gaskets, and industrial hoses. Its abrasion resistance, resilience, and durability make it suitable for demanding industrial environments.
  4. Consumer Products: PBR is used in a range of consumer products, including footwear, sporting goods, and rubberized fabrics. Its resilience, flexibility, and resistance to abrasion contribute to the performance and longevity of these products.
  5. Adhesives and Sealants: PBR can be utilized as a base polymer in the formulation of adhesives and sealants due to its compatibility with various additives and its ability to provide adhesion and flexibility.

In summary, PBR produced with Cobalt Catalysts offers a balance of properties suitable for a wide range of applications across industries where durable and resilient rubber materials are required
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Ziegler-Natta Catalyst

The utilization of Ziegler-Natta Catalysts in the production of Butadiene Rubber (BR) is not a commonly reported practice in the rubber industry. However, I can provide you with some theoretical characteristics and potential applications if such a catalyst were used, as well as information on major producing countries of Butadiene Rubber.

Characteristics of BR Produced with Ziegler-Natta Catalyst:

  1. Controlled Microstructure: Ziegler-Natta Catalysts could potentially offer control over the microstructure of the BR polymer, influencing the distribution of cis and trans double bonds along the polymer chain.
  2. Tacticity Control: These Catalysts may provide the ability to control the tacticity of the resulting polymer chains, affecting properties such as crystallinity and thermal stability.
  3. Molecular Weight Control: Ziegler-Natta Catalysts could enable precise control over the molecular weight distribution of the BR polymer, leading to polymers with tailored properties such as viscosity and mechanical strength.
  4. High Purity: Ziegler-Natta Catalysts typically produce polymers with high purity, which can be advantageous in applications requiring low levels of impurities.

Potential Applications of BR Produced with Ziegler-Natta Catalyst:

  • Specialized Rubber Compounds: BR with controlled microstructure and molecular weight distribution could find applications in specialized rubber compounds requiring specific properties such as elasticity, resilience, and abrasion resistance.
  • Polymer Blends: BR produced with Ziegler-Natta Catalysts could be blended with other polymers to create tailored polymer blends suitable for various applications, such as automotive tires, industrial products, and consumer goods.

Research and Development: The use of Ziegler-Natta Catalysts in BR production could facilitate research and development efforts aimed at exploring new approaches for synthesizing Synthetic Rubbers with enhanced properties or novel applications.
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Download MSDS of High CIS Poly Butadiene Rubber