Rubbers used for automobile tyres - Material Science

Q.  Which among the following rubbers are used for automobile tyres?
- Published on 05 Aug 15

a. Only Polyurethane rubbers
b. Only Butadiene rubbers
c. Both Polyurethane and Butadiene are used
d. None of these

ANSWER: Both Polyurethane and Butadiene are used

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    Discussion

  • Sravanthi   -Posted on 12 Oct 15
    Polyurethane rubbers in the form of thermoplastics and thermosetting are available. Polyurethane are synthetic rubbers which contain urethane linkage. They are produced due to chemical reaction of polyester and dissocynates.
    These rubbers are widely used for automobile tyres and are susceptible to acid and alkali attack. Polyurethane rubbers are resistant to abrasion and have high strength.

    Butadiene rubbers are also used for automobile tyres. They are produced by copolymerization of styrene and butadiene. As compared to natural rubbers butadiene rubbers have high resistance to abrasion and weathering. These rubbers are also used for shoe soles, belts floorings etc.

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