Which of the following monomers, gives synthetic rubber on polymerisation ?
CH2=CHCl
CCl2=CCl2
CH2=C(CH3)-CH=CH2
CH2=CCl-CH=CH2
Which type of polymeris the Buna-S-rubber?
Addition polymer
Condensation polymer
Copolymer
None of the above
C.
Copolymer
Buna-S-rubber is styrene-butadiene rubber (SBR). It is a copolymer of buta-1, 3-diene and styrene.