Which of the following monomers, gives synthetic rubber on polymerisation ?
CH2=CHCl
CCl2=CCl2
CH2=C(CH3)-CH=CH2
CH2=CCl-CH=CH2
In the reaction sequence,
X is
cyclohexanone
caprolactum
HO(CH2)6NH2
Hexamethyllne disocyanate
B.
caprolactum
Carpolactum is the monomer of nylon-6.
Which type of polymeris the Buna-S-rubber?
Addition polymer
Condensation polymer
Copolymer
None of the above