Modified PE Resins

Production process of polyethylene resin

Polyethylene can be divided into high pressure method, medium pressure method and low pressure method according to polymerization pressure.

The high-pressure method is used to produce low-density polyethylene (LDPE), which was developed early and has so far accounted for about two-thirds of the total polyethylene production, but with the development of production technology and catalysts, its growth rate has lagged behind that of the low-pressure method. As far as the low pressure method is concerned, there are slurry, solution and vapor phase methods. The slurry method is mainly used for the production of high-density polyethylene, while the solution method and the gas-phase method can not only produce high-density polyethylene, but also through the addition of copolymerization monomers, the production of medium- and low-density polyethylene, also known as linear low-density polyethylene. Various low-pressure processes are developing rapidly.