Polymer | classification of polymer on the basis of intermolecular forces | engineering chemistry |

Digitech education

1 Apr 202227:11

EducationalLearning

32 Likes 10 Comments

TLDRThe video script delves into the classification of polymers based on intermolecular forces, offering insights into various types such as elastomers, fibers, thermoplastics, and thermosetting plastics. It explains the properties and behaviors of these materials, including their elasticity, strength, and how they respond to heat. The script aims to educate viewers on the fundamentals of polymer science, highlighting the differences between thermoplastic and thermosetting materials and their practical applications.

Takeaways

😀 The video discusses the classification of polymers based on intermolecular forces, including the nature of these forces and how they affect the properties of polymers.
🔍 The script introduces the concept of polymer classification by origin, nature, and structure, emphasizing the importance of understanding the different types of bonds and their impact on material properties.
📚 It explains the term 'intermolecular forces' as the forces of attraction between different molecules, which are crucial in determining the elasticity and other characteristics of polymers.
👉 The video distinguishes between 'elastomers', a type of polymer with weak intermolecular forces that allow for elasticity, and 'thermoplastics', which soften when heated and harden when cooled.
🌡️ 'Thermoplastics' are polymers that undergo a physical change with heat, which is reversible, and this property allows for recycling and reshaping of the material.
🔨 'Elastomers' are highlighted as polymers with strong intermolecular forces leading to their elastic nature, enabling them to return to their original shape after being stretched.
🧵 The script also touches on 'fibers', which are polymers with very strong intermolecular forces, resulting in high tensile strength and resistance to breaking.
🔬 'Hydrogen bonding' within fibers is mentioned as a type of intermolecular force that contributes to their strength and elasticity.
🔄 The video script mentions 'addition polymerization' as a process used to create thermoplastics, indicating that these polymers are formed by the linking of monomers without the elimination of any small molecules.
🛠️ 'Thermosetting plastics' are contrasted with thermoplastics, as they undergo a chemical change during their curing process, making them irreversible and non-recyclable once set.
🔑 The importance of understanding the different types of intermolecular forces (e.g., van der Waals forces, hydrogen bonds) in the context of polymer properties is underscored throughout the script.

Q & A

What is the main topic of the video?
-The main topic of the video is the classification of polymers based on intermolecular forces.
What are the different types of intermolecular forces discussed in the video?
-The video discusses various types of intermolecular forces such as van der Waals forces, hydrogen bonds, and the differences between them in the context of polymer classification.
What is an elastomer according to the video?
-An elastomer, as mentioned in the video, is a type of polymer that has very weak intermolecular forces, allowing it to return to its original shape after being stretched.
What property of fibers is highlighted in the video?
-The video highlights the strong intermolecular forces in fibers, which contribute to their high tensile strength and resistance to breaking.
What is thermoplastic as explained in the video?
-Thermoplastics are polymers that can be melted and reshaped multiple times due to their intermediate range intermolecular forces, which allow them to be physically changed and reversed.
How are thermosetting plastics different from thermoplastics?
-Thermosetting plastics, unlike thermoplastics, undergo a chemical change during their curing process and cannot be reshaped or recycled once they have been set, as they have strong intermolecular forces that do not revert upon heating.
What is the significance of intermolecular forces in the context of polymer elasticity?
-The intermolecular forces determine the elasticity of polymers; weaker forces in elastomers allow for stretching and recovery, while stronger forces in fibers contribute to their strength and resistance to deformation.
How do intermolecular forces affect the mechanical properties of a polymer?
-Intermolecular forces influence the mechanical properties such as tensile strength, elasticity, and resilience. Stronger intermolecular forces result in stiffer and more durable materials, while weaker forces allow for flexibility and elongation.
What is the role of 'addition polymerization' in the formation of thermoplastics?
-Addition polymerization is a process where monomers are added together to form a polymer chain. In the context of thermoplastics, this process results in polymers with intermediate intermolecular forces that allow them to be melted and reshaped.
How can the understanding of intermolecular forces help in the selection of appropriate polymers for specific applications?
-Understanding intermolecular forces helps in selecting polymers for specific applications by predicting their physical and chemical behavior under various conditions, such as their melting points, strength, flexibility, and durability.
What are some examples of polymers mentioned in the video?
-The video mentions several examples of polymers, including polyethylene, polyvinyl chloride (PVC), and polydioxanone, which are used to illustrate the concepts of thermoplastic and thermosetting polymers.

Outlines

00:00

📚 इंटरमॉलिक्युलर फोर्सेज और पॉलीमर्स की क्लासिफिकेशन

इस खंड में व्याख्या की गई है इंटरमॉलिक्युलर फोर्सेज के आधार पर पॉलीमर्स की क्लासिफिकेशन। व्याख्याkaar ने पॉलीमर्स के बीच के बॉन्डिंग के प्रकार, जैसे कि एलस्टिक, थर्मोप्लास्टिक, और थर्मोसेटिंग प्लास्टिक के बारे में बात की है। यह खंड विभिन्न प्रकार के पॉलीमर्स के विशेषताओं और उनके आदर्श उपयोग के बारे में विस्तृत जानकारी प्रदान करता है।

05:01

🔍 इलास्टमर्स: इंटरमॉलिक्युलर फोर्सेज के साथ पॉलीमर्स

इस खंड में इलास्टमर्स के बारे में विस्तृत रूप से बात की गई है, जो ऐसे पॉलीमर्स हैं जिनके अंदर कमजोर इंटरमॉलिक्युलर फोर्सेज होते हैं। व्याख्याkaar ने इलास्टमर्स के गुण और कैसे वे दबाव और खींचने के प्रति प्रतिक्रिया प्रदर्शित करते हैं के बारे में समझाया है। इसके अतिरिक्त, इलास्टमर्स की यात्रा और उनके वास्तविक-जीवन अनुप्रयोगों में कैसे उपयोग किया जाता है, इस पर भी ध्यान केंद्रित किया गया है।

10:04

🌟 फाइबर और इंटरमॉलिक्युलर फोर्सेज

इस खंड में फाइबरों के बारे में चर्चा की गई है, जो विशेष रूप से इंटरमॉलिक्युलर फोर्सेज के माध्यम से बनाई जाती हैं। व्याख्याkaar ने फाइबरों के गुण, उनके उत्पादन प्रक्रिया और कैसे वे विभिन्न प्रकार के इंटरमॉलिक्युलर इंटरैक्शन के कारण मजबूत होती हैं, इस पर विस्तृत रूप से बात की है। इसके अतिरिक्त, फाइबरों के प्रकारों और उनके विशेष प्रयोगों के बारे में भी जानकारी प्रदान की गई है।

15:05

🔧 थर्मोप्लास्टिक और थर्मोसेटिंग पॉलीमर्स

इस खंड में थर्मोप्लास्टिक और थर्मोसेटिंग पॉलीमर्स के बारे में विस्तृत चर्चा की गई है। व्याख्याkaar ने इन पॉलीमर्स के गुण, उनके फिजिकल और केमिकल बदलावों के बारे में, और कैसे वे गर्मी और क्षमता के साथ काम करते हैं, इस पर ध्यान केंद्रित किया है। थर्मोप्लास्टिक के उदाहरणों और उनके विशेष प्रयोगों के बारे में भी जानकारी प्रदान की गई है।

20:05

🛠️ थर्मोप्लास्टिक और थर्मोसेटिंग पॉलीमर्स के उपयोग और गुण

इस खंड में थर्मोप्लास्टिक और थर्मोसेटिंग पॉलीमर्स के विशेष गुण और उनके उपयोग के बारे में विस्तृत चर्चा की गई है। व्याख्याkaar ने इन पॉलीमर्स के फिजिकल बदलावों, उनके आदर्श उदाहरणों और कैसे वे विभिन्न प्रकार के काम के लिए उपयोग किए जाते हैं, इस पर विस्तृत रूप से बात की है। इसके अतिरिक्त, थर्मोप्लास्टिक और थर्मोसेटिंग पॉलीमर्स के बीच के अंतर और उनके विशेष प्रयोगों के बारे में भी जानकारी प्रदान की गई है।

25:06

🚀 थर्मोसेटिंग पॉलीमर्स और उनकी विशेषताएं

इस खंड में थर्मोसेटिंग पॉलीमर्स के विशेषताओं और उनके विशिष्ट उपयोगों के बारे में चर्चा की गई है। व्याख्याkaar ने थर्मोसेटिंग पॉलीमर्स के गुण, उनके फिजिकल और केमिकल बदलावों, और कैसे वे विभिन्न प्रकार के काम के लिए अनुकूलित होते हैं, इस पर विस्तृत रूप से बात की है। थर्मोसेटिंग पॉलीमर्स के उदाहरणों और उनके विशेष प्रयोगों के बारे में भी जानकारी प्रदान की गई है।

🌱 मटेरियल प्रॉपर्टीज़ की बेहतरी और थर्मोप्लास्टिक

इस खंड में मटेरियल की प्रॉपर्टीज़ों की बेहतरी और थर्मोप्लास्टिक के विशेष गुण के बारे में चर्चा की गई है। व्याख्याkaar ने मटेरियल की मैकेनिकल प्रॉपर्टीज़ को बेहतरी करने के तरीके, थर्मोप्लास्टिक के उदाहरण, और कैसे ये गुण मटेरियल के प्रदर्शन में सुधार करते हैं, इस पर विस्तृत रूप से बात की है। इसके अतिरिक्त, थर्मोप्लास्टिक और थर्मोसेटिंग पॉलीमर्स के बीच के अंतर और उनके विशेष प्रयोगों के बारे में भी जानकारी प्रदान की गई है।

Mindmap

Keywords

💡Classification

Classification refers to the process of organizing items into groups based on shared characteristics. In the context of this video, classification is used to categorize polymers based on the nature of intermolecular forces and other properties. The script discusses different types of polymers, such as elastomers, fibers, thermoplastics, and thermosetting plastics, which are classified according to their structural and behavioral attributes.

💡Intermolecular Forces

Intermolecular forces are the forces of attraction or repulsion that act between neighboring particles, such as atoms, molecules, or ions. The video script delves into how these forces, such as hydrogen bonds, play a crucial role in determining the properties of polymers, including their elasticity and rigidity. For instance, the strength and type of intermolecular forces present in elastomers contribute to their ability to return to their original shape after deformation.

💡Elastomers

Elastomers are a class of polymers that have the ability to stretch and return to their original shape after being stretched or compressed. The script mentions elastomers as a type of polymer characterized by weak intermolecular forces, which allow for their elastic properties. An example from the script highlights the behavior of elastomers when subjected to stress and their tendency to return to their original form, which is a key feature of this material class.

💡Fibers

Fibers in the context of this video refer to a type of polymer that is characterized by their strength and the presence of strong intermolecular forces, such as hydrogen bonding. The script discusses how fibers are used in various applications due to their high tensile strength and resistance to breaking. The term 'fiber' is used to illustrate the properties of polymers that can withstand significant stress without failure, such as in the case of high-performance materials like Kevlar or carbon fibers.

💡Thermoplastics

Thermoplastics are polymers that become pliable or moldable above a specific temperature and return to a solid state upon cooling. The script explains that thermoplastics can be remolded multiple times without significant degradation of their properties. Examples given in the script include common thermoplastics like polyethylene and polyvinyl chloride (PVC), which are used in a wide range of products due to their versatility and recyclability.

💡Thermosetting Plastics

Thermosetting plastics are polymers that, once cured or hardened by heat, cannot be remolded by the application of heat or pressure. The script describes these plastics as undergoing a chemical change during the curing process that makes them retain their shape permanently. This characteristic is what differentiates them from thermoplastics and is exemplified in the script by materials like Bakelite, which was used in early electrical insulators.

💡Addition Polymerization

Addition polymerization is a chemical process in which monomers are joined together to form a polymer chain through the opening of double bonds. The script touches on this process as a method of forming certain types of polymers, such as thermoplastics. The term is used to explain how certain polymers are synthesized from smaller molecules, which is a fundamental concept in polymer chemistry.

💡Condensation Polymerization

Condensation polymerization is a type of polymerization reaction in which polymers are formed from monomers linked together by covalent bonds with the concomitant release of small molecules like water or methanol. The script mentions this process in the context of forming certain types of polymers, such as thermosetting plastics, which have intermolecular forces that contribute to their rigidity and permanence once set.

💡Elasticity

Elasticity is the property of a material that allows it to return to its original shape after being stretched or compressed. The script discusses elasticity in relation to elastomers, which are polymers with high elasticity due to their weak intermolecular forces. The concept is exemplified in the script by describing the behavior of elastomers when they are deformed and then recover their original shape.

💡Recycling

Recycling in the context of the video refers to the process of converting waste materials into new materials and objects. The script mentions recycling in relation to thermoplastics, which are particularly suitable for recycling due to their ability to be remelted and reshaped. The term is used to highlight the environmental benefits and sustainability of using certain types of polymers.

💡Molecular Structure

Molecular structure refers to the arrangement of atoms within a molecule and the type of chemical bonds that hold them together. The script discusses how the molecular structure of polymers, including the nature of intermolecular forces and the arrangement of monomer units, influences their physical properties. For example, the script explains how the structure of fibers contributes to their strength and the structure of thermosetting plastics contributes to their rigidity after curing.

Highlights

Introduction to the classification of polymers based on intermolecular forces.

Explanation of polymer classification on the basis of origin, nature, and structure.

Discussion on the concept of intermolecular forces and their role in polymer bonding.

Introduction to elastomers and their properties, including elasticity and intermolecular forces.

Description of the different types of intermolecular forces such as hydrogen bonds and their impact on polymers.

Explanation of how intermolecular forces affect the mechanical properties of fibers.

Details on thermoplastic polymers and their behavior with respect to heat and intermolecular forces.

The process of addition polymerization and its role in creating thermoplastic polymers.

Characteristics of thermosetting plastics and their irreversible setting process.

Comparison between the recyclability and environmental impact of thermoplastic and thermosetting polymers.

Practical applications of polymers in various industries and their material properties.

The importance of intermolecular forces in determining the elasticity and strength of polymers.

Innovative methods for enhancing the mechanical properties of polymers through molecular design.

Discussion on the future of polymer science and the development of new materials with improved properties.

The role of polymers in sustainable materials science and their potential for environmental benefits.

Conclusion summarizing the significance of understanding intermolecular forces in polymer science.

Transcripts

Browse More Related Video

What Is Thermosetting and Thermosoftening Polymers | Organic Chemistry | Chemistry | FuseSchool

34. Introduction to Organic Chemistry (Intro to Solid-State Chemistry)

Polymers | Classification of polymer on the basis of structure | Engineering chemistry| Mohan Dangi

Polymer | classification of polymer on the basis of monomer | engineering chemistry | Mohan dangi

Polymer | classification of polymer on the basis of source | engineering chemistry | mohan dangi

Polymer | Classifications of polymers | Engineering chemistry | Mohan dangi-

Related Tags

Polymer Classification Intermolecular Forces Elastomers Fibers Thermoplastics Material Science Engineering Polymers Polymer Properties Chemical Bonds Thermosetting Plastics