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What are chain-growth polymers ?...

What are chain-growth polymers ?

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Which one is not the chain-growth polymer?

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Which one of the following is a chain growth polymer?

Statement-1 : Polybutadiene is an example of chain growth polymer. Statement-2 : In chain growth polymers, the reactive particles may be free radicals or ions (cations or anions) to which monomers get added by a chain reaction.

The following chain - growth polymer is made up of how many difluoroethylene monomer units?

ICSE-POLYMERS -EXERCISE (PART-II (DESCRIPTIVE QUESTIONS )) ( LONG ANSWER QUESTIONS )
  1. Write the mechanism of free radical polymerization of ethene.

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  2. How does the presence of benzoquionone inhibit the free radical polyme...

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  3. What are chain-growth polymers ?

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  4. Describe briefly: Radical polymerization

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  5. Describe briefly: Cationic polymerization

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  6. Describe briefly: Anionic polymerization

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  7. Why should one always use purest monomer in free radical polymerizatio...

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  8. Elaborate the structure of natural rubber.

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  9. How do double bonds in rubber molecules influence their structure and ...

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  10. What is vulcanization? How does vulcanization improve the quality of n...

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  11. What is the monomer of natural rubber? What is the difference in the s...

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  12. What is vulcanization ? Why is it done? Why is diphenyl added to rubbe...

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  13. Why is neoprene non-inflammable? Give one of its uses.

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  14. Define the following terms: Thermoplastics

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  15. Define the following terms: Thermosetting plastics

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  16. Define the following terms: Elastomers

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  17. Give two points of difference between thermoplastic and thermosetting ...

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  18. Give a brief description of natural and synthetic polymers

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  19. What do you mean by copolymerization ? What are its advantages over ho...

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  20. How is dacron prepared ? Name the type to which this polymer belongs?

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