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Questions and Answers
Which of the following is NOT mentioned as a polymer for electrical and electronic applications?
Which of the following is NOT mentioned as a polymer for electrical and electronic applications?
- Polystyrene
- Polyvinyl chloride
- Polyethylene
- Polypropylene (correct)
Which property is NOT mentioned as a classification criterion for polymers?
Which property is NOT mentioned as a classification criterion for polymers?
- Heat resistance
- Chemical composition
- Source
- Electrical conductivity (correct)
What is the process called by which polymers are formed by linking monomers through chemical reaction?
What is the process called by which polymers are formed by linking monomers through chemical reaction?
- Polymerization (correct)
- Polymer bonding
- Polycondensation
- Polymer blending
What is the functionality of a polymer?
What is the functionality of a polymer?
Which molding technique is mentioned in the text?
Which molding technique is mentioned in the text?
Match the following polymers with their applications:
Match the following polymers with their applications:
Match the following terms related to polymers with their definitions:
Match the following terms related to polymers with their definitions:
Match the following molding techniques with their definitions:
Match the following molding techniques with their definitions:
Match the following types of rubber with their definitions:
Match the following types of rubber with their definitions:
Match the following conducting polymers with their applications:
Match the following conducting polymers with their applications:
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Study Notes
Polymers for Electrical and Electronic Applications
- Polyimides, polyurethanes, and silicone resins are mentioned as polymers for electrical and electronic applications.
Classification of Polymers
- Polymers are classified based on their source, structure, and molecular forces.
Polymer Formation
- The process by which polymers are formed by linking monomers through chemical reactions is called polymerization.
Functionality of a Polymer
- The functionality of a polymer refers to the number of reactive groups present in a monomer molecule.
Molding Techniques
- Injection molding is mentioned as a molding technique.
Polymer Applications
- Polyimides are used in microelectronics and electrical insulation.
- Polyurethanes are used in electrical insulation and coatings.
- Silicone resins are used in electrical insulation and encapsulation.
Polymer-Related Terms and Definitions
- Thermoplastic: a type of polymer that can be melted and reformed multiple times.
- Thermoset: a type of polymer that cannot be melted and reformed.
Molding Techniques and Definitions
- Injection molding: a molding technique in which molten plastic is forced into a mold to form the desired shape.
Types of Rubber and Definitions
- Natural rubber: a type of rubber derived from natural sources.
- Synthetic rubber: a type of rubber derived from petroleum products.
Conducting Polymers and Applications
- Polyacetylene is used in batteries and photosensors.
- Polypyrrole is used in biosensors and electrochromic displays.
- Polythiophene is used in solar cells and electrochromic displays.
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