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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.
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संबंधित प्रश्न
Write names and chemical formulae of monomers used in preparing Buna-S.
What is the role of sulphur in the vulcanisation of rubber?
Identify the monomer in the following polymeric structures.
Complete the following statement by selecting the correct alternative from the choices given:
Natural rubber is a : _________
Which of the following are example of synthetic rubber?
(i) Polychloroprene
(ii) Polyacrylonitrile
(iii) Buna-N
(iv) cis-polyisoprene
Identify the polymer given below:
Match materials given in Column I with the polymers given in Column II.
| Column I | Column II |
| (i) Natural rubber latex | (a) Nylon |
| (ii) Wood laminates | (b) Neoprene |
| (iii) Ropes and fibres | (c) Dacron |
| (iv) Polyester fabric | (d) Melamine formaldehyde resins |
| (v) Synthetic rubber | (e) Urea-formaldehyde resins |
| (vi) Unbreakable crockery | (f) cis-polyisoprene |
The polymer of natural rubber is:-
Ebonite is:-
Which of the following statement is CORRECT regarding the drawbacks of raw rubber?
