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The development of high-activity adaptive hydrogen-adjustable catalyst and its application in the development of a series of high-rigidity polypropylene jointly undertaken by Beijing Research Institute of Chemical Industry and Guangzhou Petrochemical have passed the technical appraisal organized by the Ministry of Science and Technology of Sinopec
.
The new plasticizer-free catalyst developed by the joint research project team is 2.
35 times more active than traditional catalysts, has higher orientation ability, and has adaptive hydrogen adjustment sensitivity, that is, low melting index products are insensitive in production, and high melting index products are especially in production.
Sensitive, and the comprehensive performance has reached the international advanced level
.
The new plasticizer-free catalyst has successfully completed its industrial application in Guangzhou Petrochemical's No.
1 polypropylene plant
.
The special polypropylene material for high-rigidity structural wall pipes produced by the new catalyst has a melting index of 0.
2~0.
5g/10min and a flexural modulus of more than 1600MPa.
It has been stably used by downstream users and successfully replaced imported materials; Polypropylene series products J840, J860 and J890, etc.
, the performance reaches the level of imported similar products
.
