Differentiate between thermoplastics and thermosetting plastics and give one example of each?
Answers
Answer:
Thermoset
Thermoplastics
Thermoset Curing Process
Thermoset plastics contain polymers that cross-link together during the curing process to form an irreversible chemical bond. The cross-linking process eliminates the risk of the product remelting when heat is applied, making thermosets ideal for high-heat applications such as electronics and appliances.
Thermoplastics Curing Process
Thermoplastics pellets soften when heated and become more fluid as additional heat is applied. The curing process is completely reversible as no chemical bonding takes place. This characteristic allows thermoplastics to be remolded and recycled without negatively affecting the material’s physical properties.
Features & Benefits
Thermoset plastics significantly improve the material’s mechanical properties, providing enhances chemical resistance, heat resistance and structural integrity. Thermoset plastics are often used for sealed products due to their resistance to deformation.
Features & Benefits
There are multiple thermoplastic resins that offer various performance benefits, but most materials commonly offer high strength, shrink-resistance and easy bendability. Depending on the resin, thermoplastics can serve low-stress applications such as plastic bags or high-stress mechanical parts.
Pros
More resistant to high temperatures than thermoplastics
Highly flexible design
Thick to thin wall capabilities
Excellent aesthetic appearance
High levels of dimensional stability
Cost-effective
Answer:
Thermoplastics can be remoulded. Ex-polyester.
Thermosetting plastics can't be remoulded. Ex-bakelite.
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