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Phillips‐type catalysts are responsible for the commercial production of more than one‐third of all polyethylene sold worldwide. Many types of chromium‐based catalysts are used in the Phillips polymerization process. Ordered mesoporous silica structures were synthesized using various surfactant species. Chromium nitrate nonahydrate (Cr(NO3)3·9H2O) complex was grafted onto the surface of pure silica...
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