METHOD FOR MONOMER RECOVERY

摘要

Method for thermally decomposing addition polymers, such as polyolefins, into monomers and monomer fragments. Thermal decomposition occurs by the rapid heating of the addition polymer such that the polymer ceiling temperature is reached in a time period substantially equal to the thermal relaxation time of the polymer itself. Laser ablation, wherein the polymer is heated by very rapid nanosecond or microsecond pulses of ultraviolet or infrared laser beams, and flash pyrolysis are particularly useful techniques for accomplishing such rapid heating.