The difficulty lay rather in the cost of the raw material, isoprene.
"Creative Chemistry" by Edwin E. Slosson
Isoprene is a very volatile liquid, boiling at a temperature of about 30 degrees Fahrenheit.
"Scientific American Supplement, No. 1157, March 5, 1898" by Various
Butyl rubber is a copolymer of isobutylene and isoprene.
Ground-level ozone concentrations, calculated using the new isoprene emissions, are then closer to observed concentrations, going some way to resolve a long-standing deficiency in computer simulation of ground-level ozone.
Advanced Process Control Lets a Refinery's Staff Optimize Their Isoprene Unit's Distillation Process, Balance Operating Parameters, Save Energy and Reduce Product Loss.
Properties of poly(isoprene): Model building in the melt and in solution.
Biological and synthetic membranes: What can be learned from a coarse-grained description?