What is the Difference Between PVC and Bakelite?
🆚 Go to Comparative Table 🆚The main difference between PVC and Bakelite lies in their chemical composition and properties. Here are the key differences between the two:
- Chemical Composition: PVC (polyvinyl chloride) is made from polyvinyl chloride, while Bakelite is made from phenol-formaldehyde resin.
- Thermoplastic vs. Thermosetting: PVC is a thermoplastic material, which means it can be melted and reshaped multiple times without any alteration in its properties. In contrast, Bakelite is a thermosetting material, meaning it can only be molded once and cannot be remelted or reshaped once it has hardened.
- Secondary vs. Primary Bonds: In thermoplastics like PVC, there are secondary bonds between the molecular chains, while in thermosetting plastics like Bakelite, there are primary bonds between the molecular chains.
- Recyclability: PVC is recyclable, while Bakelite is not.
- Melting Point and Tensile Strength: Thermoplastics have low melting points and low tensile strengths, while thermosetting plastics have high melting points and high tensile strengths.
- Applications: PVC is used for manufacturing toys, combs, containers, and other items, while Bakelite is used for manufacturing electrical switches, cooking utensils, kitchenware, and more.
In summary, PVC is a recyclable thermoplastic made from polyvinyl chloride, while Bakelite is a non-recyclable thermosetting plastic made from phenol-formaldehyde resin. They differ in their chemical bonds, melting points, tensile strengths, and applications.
Comparative Table: PVC vs Bakelite
The main differences between PVC and Bakelite are their chemical composition, properties, and applications. Here is a comparison table of the two materials:
Property | PVC | Bakelite |
---|---|---|
Chemical Composition | Made from polyvinyl chloride (CH2=CHCl) | Made from phenol-formaldehyde resin |
Type of Plastic | Thermoplastic | Thermosetting |
Physical Properties | Soft and brittle | Hard and brittle |
Melting Point | Low melting point | High melting point |
Tensile Strength | Low tensile strength | High tensile strength |
Recyclability | Recyclable | Non-recyclable |
Applications | Manufacturing of toys, combs, containers, etc. | Manufacturing of electrical switches, cooking utensils, kitchenware, etc. |
PVC (polyvinyl chloride) is a thermoplastic material made from vinyl chloride molecules, which are linked together in a chain-like structure, making it a soft and potentially brittle material. It is commonly used in the production of toys, combs, and containers. On the other hand, Bakelite is a thermosetting material made from phenol-formaldehyde resin. It has a more rigid structure, making it a hard and brittle material. Bakelite is often used in the manufacturing of electrical switches, cooking utensils, and kitchenware.
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