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PetroChina metallocene polyethylene project passed the acceptance

 Last Update: 2022-11-05
 Source: Internet
 Author: User

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A few days ago, the major technical field test project "metallocene catalyst and series of new product development industrial test" jointly undertaken by PetroChina Lanzhou Petrochemical Company, Petrochemical Research Institute, North China Chemical Sales Company, and Northwest Chemical Sales Company passed the acceptance
.

Because metallocene polyethylene is obviously superior to traditional polyethylene in terms of toughness, transparency, heat sealing temperature, low odor, etc.
, the application demand is constantly increasing
.
In 2021, the domestic consumption of metallocene polyethylene will exceed 2 million tons, but the domestic production is only 200,000 tons, and the import dependence is as high as 90%.
Market space and ability to create efficiency
.

In the face of fierce market competition, the development of complete sets of metallocene polyethylene technology has become an inevitable choice to accelerate the localization process and enhance the core competitiveness of enterprises
.
In terms of technical composition, metallocene polyethylene includes three unit technologies: catalyst, polymerization process and polymer product.
The industrial chain is long and the research and development is difficult
.
Foreign companies started their research early, and have already laid out a large number of patents in related technologies, setting up many obstacles and technical barriers for domestic companies to develop metallocene polyethylene
.

To this end, the project team relies on the research and development results of the independent metallocene polyethylene catalyst, and after four years of research, based on the establishment of the metallocene polymerization reaction model, a 60,000-ton/year metallocene gas phase polyethylene plant process design package has been formed
.

Using part of the equipment of Lanzhou Petrochemical's discontinued plant, they built a 60,000-ton/year metallocene polyethylene professional production device, formed an independent polymerization process technology, and completed the industrial application test of metallocene polyethylene catalyst
.
The project team has developed five grades of metallocene polyethylene products: blown film mPE1018, RERT pipe material mPE3010, heavy packaging film material mPE1020, flexible packaging film material mPE2018, and cast film material mPE3518, with a cumulative production and sales volume of more than 54,000 tons
.
The product has achieved large-scale application in many downstream customers, and its performance has reached the level of similar imported products
.

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