Advertisements
Advertisements
प्रश्न
What is the role of Sulphur in the vulcanization of rubber?
उत्तर
Sulfur is used in vulcanization to produce cross-links between two polymer chains to produce more tensile strength, elasticity, and resistance to abrasion.
APPEARS IN
संबंधित प्रश्न
What is natural rubber?
(A) Cis-1,4-polyisoprene
(B) Neoprene
(C) Trans-1,4-polyisoprene
(D) Butyl rubber
How does the presence of double bonds in rubber molecules influence their structure and reactivity?
Write names and chemical formulae of monomers used in preparing Buna-N.
Write the formulae of the raw materials used for preparation of Buna-S
Write the structures of monomers used the following polymers:
Buna S
Vulcanisation makes rubber:
(i) more elastic
(ii) soluble in inorganic solvent
(iii) crystalline
(iv) more stiff
Which one of the following monomers gives the polymer neoprene on polymerization?
The polymer of natural rubber is:-
Which of the following statement is CORRECT regarding the drawbacks of raw rubber?
Match List I with List II.
| List I | List II |
| (Monomer Unit) | (Polymer) |
| (a) Caprolactum | (i) Natural rubber |
| (b) 2-Chloro-1, 3-butadiene | (ii) Buna-N |
| (c) Isoprene | (iii) Nylon-6 |
| (d) Acrylonitrile | (iv) Neoprene |
Choose the correct answer from the options given below:
