Question

what is the polymer of buna-s

Answer 1

About 50% of car tires are made from various types of SBR. Thestyrene/butadiene ratio influences the properties of the polymer: with highstyrene content, the rubbers are harder and less rubbery. SBR is not to be confused with a thermoplasticelastomer made from the samemonomers, styrene-butadiene block copolymer.

Answer 2

copolymer............