Which one of the following is an example of a thermosetting polymer?

  • Option 1)

  • Option 2)

  • Option 3)

  • Option 4)

 

Answers (2)
R Ritik kumar

C

 

V Vakul

As we discussed in concept

Thermosetting Polymers -

They are highly cross - linked, hard, infusible and insoluble polymers.They cannot be reused.

- wherein

Eg:-  Bakellite, Urea,  Formaldehyde, Resin, etc

 

 

Phenol formaldehyde resin/ Bakellite/ Novolac -

- Obtained by the condensation reaction of phenol with formaldehyde.

- Step growth, Copolymer.

- Novolac is linear

- Bakellite is cross linked.

- wherein

- Hard and brittle

- Novolac is used in paints.

- Bakellite is used in making combs, phonograph records, electrical goods.


 

 

Novolac and Bakelite are thermosetting polymer.

 


Option 1)

This option is incorrect.

Option 2)

This option is incorrect.

Option 3)

This option is incorrect.

Option 4)

This option is correct.

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