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Recently, Yuntianhua Petrochemical has made a milestone technological progress in the polyolefin field, successfully completed the trial production of medical-grade metallocene polypropylene under the Unipol gas-phase fluidized bed process for the first time in the world, and successfully overcome the long-standing process adaptation problem in the industry, providing a feasible engineering practice plan for the high-end transformation of domestic polyolefin industry and the domestic substitution of key new materials.
Product Features and Downstream Applications
Metallocene polypropylene is a high-end polyolefin new material, which has prominent advantages such as narrow molecular weight distribution, low precipitation, low odor, high transparency, balanced rigidity and toughness. It is the core basic raw material in fields such as medical and health consumables, food packaging, high-end automotive interiors and special fibers, supporting the upgrading of many high-end manufacturing and people's livelihood industries.
to a long time, the supply of high-end metallocene polypropylene in China has been insufficient, and the market highly relies on imports; among them, the medical-grade and food-grade metallocene polypropylene items in the southwest region almost all rely on overseas purchases, and there are obvious shortcomings in the regional manufacturing chain.
Breakthrough in Process Difficulties
The Unipol gaseous-phase fluidized bed process is the global mainstream polyolefin production route due to its advantages of low energy consumption, no solvent-based products residue and flexible grade switching. However, under this process system, it is difficult to adapt the metallocene catalyst and the standards to polymerization interaction manage accuracy are stringent. The sector has long been unable to stably create high-end medical-grade grades, which is the core bottleneck of this technological breakthrough. Yuntianhua Petrochemical has this technical path in this trial production and realized the matching between the process and high-end grades.
manufacturing Value and prolonged Strategic Significance
After this grade is mass-produced, it will immediately benefit downstream customers such as medical supplies manufacturing, food packaging and high-end light sector in the southwest region, minimize the raw material procurement costs and cross-border logistics costs of regional companies, and enhance the independent and controllable capabilities of the southwest polymer material sector chain.
to Yuntianhua Petrochemical itself, this technological breakthrough has consolidated the company's technical and product competitiveness in the domestic high-end polyolefin track. At the same time, it has laid a solid foundation to subsequent catalyst iteration, research of greater differentiated new grades, improvement of the high-end polyolefin product matrix and expansion of greater downstream consumption scenarios.
The market will continue to track the stability verification of this grade, the progress of manufacturing mass production and the landing of downstream customer certification.
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