SYNTHESIZING POLYPROPYLENE WITH PERCOLATION NETWORK CATALYZED BY INORGANIC NANOPARTICLES-FUNCTIONALIZED ZIEGLER-NATTA CATALYST

Synthesizing polypropylene with percolation network catalyzed by inorganic nanoparticles-functionalized Ziegler-Natta catalyst

Polypropylene is one of the most widely used synthetic resins, which is mainly synthesized with Ziegler-Natta catalysts.In this paper, the functionalized Ziegler-Natta catalyst is applied to prepare high-performance polypropylene.A new way to synthesize functionalized Ziegler-Natta catalysts is to dope with inorganic nanoparticles.The MgCl2/TiCl4/B

read more

SCIENTIFIC AND TECHNOLOGICAL COOPERATION FOR THE DEVELOPMENT AND PRODUCTION OF PHARMACEUTICAL TECHNOLOGIES: A PATH TO HEALTH AUTONOMY IN SOUTH AMERICA

In order to achieve greater autonomy in health for South American countries and Spiralizers reduce their external dependence and vulnerability, it is necessary to strengthen regional cooperation to boost the development and production capacity of pharmaceutical technologies.This will contribute to increasing the supply of and access to medicines, v

read more

Adaptive backstepping control for electro-hydraulic servo system in extension sleeve press-fitting process of bearing pressing machine

In the process of extension sleeve press-fitting of the bearing pressing machine, electro-hydraulic servo system of valve-controlled symmetrical cylinder (ESSVSC) is an important and critical control module, and its performance has a significant impact on the working accuracy of such equipment.People have proposed various related control algorithms

read more