Home
Class 12
CHEMISTRY
How is Dacron obtained from ethylene gly...

How is Dacron obtained from ethylene glycol and terephthalic acid?

Text Solution

Verified by Experts

Dacron is obtained by condensation polymerization of ethylene glycol and terephthalic acid with the elimination of water molecules. The reaction consisting of a mixture of zinc acetate and antimony trioxide.
Promotional Banner

Topper's Solved these Questions

Similar Questions

Explore conceptually related problems

(A) Glyptal is obtained by the condensation polymerization, of ethylene glycol and terephthalic acid. (R) Glyptal is used in the manufacture of paints and lacquers.

A: Glyptal is obtained by condensation polymerization of ethylene glycol and terephthalic acid. R: Glyptal is used in the manufacture of fabrics.

Assertion : Glyptal is formed by the condensation polymerisation of ethylene glycol and terephthalic acid Reason : Glyptal is used in the manufacture of paints and lacquers

Assertion : Terylene is a condensation polymer. Reason : Terylene is formed by ethylene glycol and terephthalic acid with elimination of water molecule.

Ethylene glycol is used

Terylene is a polymer of ethylene glycol and

Assertion (A)Glyptal is a copolymer. Reason(R ) It has two monomeric units, ethylene glycol and phthalic acid.

NCERT-POLYMERS-Exercise
  1. Explain the terms polymer and monomer.

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  5. Define the term polymersation.

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  9. Explain the term copolymersation and give two examples.

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  15. Discuss the main purpose of vulcanisation of rubber.

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |