Q 4. Explain why thermoplastics become soft on heating but thermosetting plastics do not become soft on heating. (If you can, attach diagrams to illustrate your answer)
Answers
Answer:
Thermoplastics can be softened by heat but thermosetting plastics cannot be softened by heat. This is due to the difference in their structure. ... Due to this, on heating, the individual polymer chains can slide over one another and thermoplastic material becomes soft and ultimately melts.
Answer:
Thermoplastics can be softened by heat but thermosetting plastics cannot be softened by heat. This is due to the difference in their structure. ... Due to this, on heating, the individual polymer chains can slide over one another and thermoplastic material becomes soft and ultimately melts.
The forces holding the molecules together in a thermoplastic, the inter-molecular bonds, weaken when the right amount of heat is applied. ... Add enough heat and the material melts into a liquid that can be used in injection-molding, compression molding, calendaring, and extrusion.
Explanation:
Thermoplastics can be softened by heat but thermosetting plastics cannot be softened by heat. This is due to the difference in their structure. ... Due to this, on heating, the individual polymer chains can slide over one another and thermoplastic material becomes soft and ultimately melts.
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