The role of isobutane in the production of high-density polyethylene
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In the production of high-density polyethylene, isobutane is commonly used as an inert diluent and solvent. It can help regulate the temperature and pressure inside the reactor, and it can also alter the rate and selectivity of the polymerization reaction. By controlling the amount of isobutane added, the length and degree of branching of the polyethylene molecular chains can be influenced, thereby adjusting the physical and chemical properties of polyethylene. Therefore, isobutane plays an important regulatory role in the production of high-density polyethylene.
Isobutane is primarily used as a medium in the production of high-density polyethylene, to reduce the viscosity of the polymerization reaction and facilitate heat and mass transfer, thereby helping to control the molecular weight and distribution of the polymer. .