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Page 1 ELASTOMERS CONTENTS • What are elastomers • Explanation • Types of elastomers • Advantages & disadvantages • Uses & applications Page 2 ELASTOMERS CONTENTS • What are elastomers • Explanation • Types of elastomers • Advantages & disadvantages • Uses & applications ELASTOMERS….? • Macromolecular material which returns rapidly to approximately its initial dimensions and shape after deformation by a weak stress. • Or • An elastomer is a polymer with the property of elasticity. Page 3 ELASTOMERS CONTENTS • What are elastomers • Explanation • Types of elastomers • Advantages & disadvantages • Uses & applications ELASTOMERS….? • Macromolecular material which returns rapidly to approximately its initial dimensions and shape after deformation by a weak stress. • Or • An elastomer is a polymer with the property of elasticity. • An elastomer is a polymer with the property of viscoelasticity (colloquially "elasticity"), generally having notably low Young's modulus and high yield strain compared with other materials. Page 4 ELASTOMERS CONTENTS • What are elastomers • Explanation • Types of elastomers • Advantages & disadvantages • Uses & applications ELASTOMERS….? • Macromolecular material which returns rapidly to approximately its initial dimensions and shape after deformation by a weak stress. • Or • An elastomer is a polymer with the property of elasticity. • An elastomer is a polymer with the property of viscoelasticity (colloquially "elasticity"), generally having notably low Young's modulus and high yield strain compared with other materials. • Elastomer is a big fancy word, and all it means is "rubber". Some polymers which are elastomers include polyisoprene or natural rubber, polybutadiene, polyisobutylene, and polyurethanes. Page 5 ELASTOMERS CONTENTS • What are elastomers • Explanation • Types of elastomers • Advantages & disadvantages • Uses & applications ELASTOMERS….? • Macromolecular material which returns rapidly to approximately its initial dimensions and shape after deformation by a weak stress. • Or • An elastomer is a polymer with the property of elasticity. • An elastomer is a polymer with the property of viscoelasticity (colloquially "elasticity"), generally having notably low Young's modulus and high yield strain compared with other materials. • Elastomer is a big fancy word, and all it means is "rubber". Some polymers which are elastomers include polyisoprene or natural rubber, polybutadiene, polyisobutylene, and polyurethanes. EXPLANATION • Why elastomer ? • Structure • Properties of elastomers • Effects of stress • VulcanizationRead More
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FAQs on PPT - Elastomers - Chemical Technology - Chemical Engineering
| 1. What are elastomers in chemical engineering? |  |
Ans. Elastomers are a type of polymer material that has the ability to stretch and return to their original shape after being deformed. They exhibit high elasticity and are commonly used in various applications, such as rubber products, seals, gaskets, and tires.
| 2. What are the key properties of elastomers? | |
Ans. Elastomers possess several key properties that make them suitable for various applications. These properties include high elasticity, low modulus of elasticity, excellent flexibility, good resistance to abrasion, and high tensile strength. Additionally, elastomers typically have good chemical resistance and can withstand a wide range of temperatures.
| 3. How are elastomers manufactured in the chemical engineering industry? | |
Ans. Elastomers are typically manufactured through a process called vulcanization or curing. This involves the cross-linking of polymer chains using sulfur or other cross-linking agents. The process is carried out under specific temperature and pressure conditions to achieve the desired properties of the elastomer. Various additives, such as fillers, plasticizers, and curing agents, may also be incorporated during the manufacturing process to enhance specific properties.
| 4. What are the common applications of elastomers in chemical engineering? | |
Ans. Elastomers find extensive use in the chemical engineering industry due to their unique properties. They are commonly used in the production of seals and gaskets to provide leak-proof connections in piping systems. Elastomers are also used in the manufacturing of conveyor belts, hoses, and tubing for the transportation of fluids and materials. Additionally, elastomers are used in the production of automotive tires, O-rings, and various rubber products.
| 5. How can the performance of elastomers be improved in chemical engineering applications? | |
Ans. The performance of elastomers can be improved by incorporating additives or modifying their composition. Reinforcing agents, such as carbon black or silica, can be added to enhance the tensile strength and wear resistance of elastomers. Plasticizers can be used to improve flexibility, while cross-linking agents can increase the temperature resistance. Additionally, careful selection of the elastomer type and formulation can optimize its performance for specific chemical environments.
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