Question

14. Explain why, thermoplastics become soft on heating but thermosetting plastic do not become soft on heating. Draw labelled diagram to illustrate your answer. ​

Answer 1

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.

Answer 2

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.