This column is based on &#;Acrylonitrile Butadiene Latex Production &#; Cost Analysis,&#; a report published by Intratec. It can be found at: www.intratec.us/analysis/nitrile-rubber-production-cost.
The company is the world’s best nbr latex manufacturers supplier. We are your one-stop shop for all needs. Our staff are highly-specialized and will help you find the product you need.
Nitrile rubber (also known as NBR, acrylonitrile butadiene rubber, acrylonitrile butadiene latex, Buna-N) is a synthetic polymer made of monomers 1,3-butadiene and acrylonitrile. This rubber is known for its resistance to chemicals, oils and fuels. NBR is produced with a wide range of molecular weights and monomer ratios, so basic polymer properties can vary greatly.
NBR is primarily used in applications where good oil resistance is required, such as rubber seals and O-rings, hose and belting stock and blowout preventers or packers (in oil drilling). NBR is also used in molding miscella-neous parts, rubber latex products, sponge applications, gaskets, pump stators, safety gloves and footwear. Additionally, NBR is used in modifying plastics, adhesives, cements, sealants, coatings and friction materials.
The present analysis discusses an industrial process for acrylonitrile butadiene latex production. The process comprises two major sections: (1) polymerization; and (2) monomers recovery (Figure 1).
Polymerization. Polymerization occurs in continuously stirred, jacketed tank reactors connected in series. To maintain a low reaction temperature, all reactors are cooled by means of ammonia vaporization. Acrylonitrile and butadiene are mixed with an emulsifier, demineralized water and other chemicals to form the emulsion that will be fed to the polymerization reactors. Downstream, a &#;shortstop&#; agent is mixed with the emulsion in order to stop reaction at the desired conversion. This avoids gel formation.
Monomers recovery. The latex generated in polymerization reactors is flashed at atmospheric pressure and then under vacuum. Residual butadiene vapors are compressed and then cooled for condensation. The con-densed stream is directed to a decanter for water removal. Recovered butadiene is recycled to a butadiene plant, where butenes are separated, so the recovered butadiene can be reused in the NBR latex plant. The degassed latex is pumped and fed to a vacuum plate column, where residual acrylonitrile monomer is stripped by contacting the latex with steam entering the column bottom. Stripped acrylonitrile is recycled to the polymerization stage. The latex is mixed with an antioxidant agent and finally blended into a homogeneous emulsion before being sent to storage facilities as the finished latex product.
Nitrile rubber latex production basically consists of the emulsion polymerization of 1,3-butadiene and acrylonitrile, so different NBR manufacturing routes are related to different sources of the monomers used. The most typical NBR latex production routes are based on acrylonitrile produced via ammoxidation of propylene and butadiene produced via isolation from C4 steam-cracker fractions (Figure 2).
The total operating cost (raw materials, utilities, fixed costs and depreciation costs) estimated to produce NBR latex was about $2,000 per ton of NBR latex in the first quarter of . The analysis was based on a plant constructed in the U.S. with capacity to produce 35,000 metric tons per year of acrylonitrile butadiene latex.
Edited by Scott Jenkins
Editor&#;s note: The content for this column is supplied by Intratec Solutions LLC (Houston; www.intratec.us) and edited by Chemical Engineering. The analyses and models presented are prepared on the basis of publicly available and non-confidential information. The content represents the opinions of Intratec only. More information about the methodology for preparing analysis can be found, along with terms of use, at www.intratec.us/che.
Haozechem
·
Follow
For more information, please visit carpet backing latex.
3 min read
·
May 12,
--
Nitrile Butadiene Rubber (NBR) latex is a versatile polymer widely used in various industrial and commercial applications. It is produced by emulsion polymerization of butadiene and acrylonitrile monomers. The resulting polymer has excellent oil and solvent resistance, high tensile strength, and good resistance to abrasion, tear, and compression set. In this article, we will explore the properties, applications, and advantages of NBR latex.
Properties of NBR Latex
NBR latex has several properties that make it a popular choice for various applications. One of the significant benefits of NBR latex is its high resistance to oils and solvents. It is also resistant to chemicals, acids, and alkalis, making it an ideal material for use in the chemical industry. Additionally, NBR latex has excellent abrasion resistance and can withstand high temperatures. The material also has excellent tensile strength, tear resistance, and compression set, making it ideal for use in the automotive and aerospace industries.
Applications of NBR Latex NBR latex finds widespread use in several industries, thanks to its unique properties. One of the significant applications of NBR latex is in the manufacture of gloves. NBR latex gloves are popular in the medical industry as they provide excellent protection against blood-borne pathogens and other infectious materials. They are also resistant to oils and chemicals, making them ideal for use in the industrial sector.
Another application of NBR latex is in the production of seals and gaskets. Due to its excellent oil and solvent resistance, NBR latex is ideal for use in sealing applications. It is commonly used in the automotive and aerospace industries to produce seals and gaskets that can withstand high temperatures and harsh environments.
NBR latex is also used in the production of adhesives, coatings, and foams. Adhesives made from NBR latex are highly resistant to water, chemicals, and oils, making them ideal for use in the construction and automotive industries. NBR latex coatings provide excellent protection against corrosion and abrasion, making them suitable for use in the marine industry. NBR latex foam is used to produce cushioning materials for various applications, including footwear, furniture, and automotive interiors.
Advantages of NBR Latex
NBR latex has several advantages over other materials used in various applications. One of the significant benefits of NBR latex is its high resistance to oils, solvents, and chemicals. This makes it ideal for use in the chemical and industrial industries, where exposure to these substances is common. Additionally, NBR latex has excellent abrasion resistance, making it ideal for use in applications where materials are subjected to wear and tear.
NBR latex is also highly elastic, meaning that it can stretch and return to its original shape without losing its properties. This makes it an ideal material for use in applications where flexibility and durability are essential. The material is also resistant to heat and cold, making it suitable for use in applications where exposure to extreme temperatures is common.
Conclusion NBR latex is a versatile polymer that finds widespread use in several industrial and commercial applications. Its unique properties, including high resistance to oils, solvents, and chemicals, excellent abrasion resistance, and high tensile strength, make it an ideal material for use in various industries, including the automotive, chemical, and medical sectors. Additionally, its excellent flexibility and durability make it a popular choice for producing adhesives, coatings, foams, seals, and gaskets. Overall, NBR latex is an essential material that has transformed several industries, thanks to its unique properties and advantages.About HAOZE
Are you interested in learning more about SBR latex for paper? Contact us today to secure an expert consultation!