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What is a biodegradable polymer ? Give a...

What is a biodegradable polymer ? Give an example of a biodegradable aliphatic polyester.

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Polymers which disintegrate over a period of time in environmental degradation by bacteria, etc., are called biodegradable polymers. An example of biodegradable aliphatic polyester is PHBV, ie, Poly-B-hydroxybutyrate-co-B-hydroxyvalerate. It is obtained as under:
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U-LIKE SERIES-POLYMERS -NCERT TEXTBOOK EXERCISES
  1. Explain the terms polymer and monomer.

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  2. What are natural and synthetic polymers ? Give two examples of each ty...

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  3. Distinguish between the terms homopolymer and copolymer and give an ex...

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  4. How do you explain the functionality of a monomer ?

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  5. Define the term polymerisation.

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  6. Is (NH - CH - CO)(n) a homopolymer or a copolymer ?

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  7. In which classes, the polymers are classified on the basis of molecula...

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  8. How can you differentiate between addition and condensation polymerisa...

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  9. Explain the term copolymerisation and give two examples.

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  10. Write the free radical mechanism for the polymerisation of ethene.

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  11. Define thermoplastics and thermosetting polymers with two examples of ...

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  12. Write the monomers used for getting the following polymers: (i) Poly...

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  13. Write the name and structure of one of the common initiators used in f...

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  14. How does the presence of double bonds in rubber molecules influence th...

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  15. Discuss the main purpose of vulcanisation of rubber.

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  16. What are the monomeric repeating units of Nylon 6 and Nylon 6, 6 ?

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  17. Write the names and structures of the monomers of the following polyme...

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  18. Identify the monomer in the following polymeric structures : (i) [-...

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  19. How is dacron obtained from ethylene glycol and terephthalic acid ?

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  20. What is a biodegradable polymer ? Give an example of a biodegradable a...

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