PREPARATION AND CHARACTERIZATION OF POLYMPROPYLENE GRAFTING MALEIC ANHYDRIDE/SiO2 COMPOSITE-SUPPORTED TITANIUM CATALYSTS

ZHU Ning; SUN Wenhua; LI Zilong; SHAO Changxing; HU Youliang

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PREPARATION AND CHARACTERIZATION OF POLYMPROPYLENE GRAFTING MALEIC ANHYDRIDE/SiO2 COMPOSITE-SUPPORTED TITANIUM CATALYSTS

Research Bulletin | 更新时间：2021-03-19

- PREPARATION AND CHARACTERIZATION OF POLYMPROPYLENE GRAFTING MALEIC ANHYDRIDE/SiO2 COMPOSITE-SUPPORTED TITANIUM CATALYSTS
- Acta Polymerica Sinica Issue 6, Pages: 814-817(2001)
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- Published：20 December 2001，
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ZHU Ning, SUN Wenhua, LI Zilong, SHAO Changxing, HU Youliang. PREPARATION AND CHARACTERIZATION OF POLYMPROPYLENE GRAFTING MALEIC ANHYDRIDE/SiO2 COMPOSITE-SUPPORTED TITANIUM CATALYSTS. [J]. Acta Polymerica Sinica (6):814-817(2001)
DOI：

ZHU Ning, SUN Wenhua, LI Zilong, SHAO Changxing, HU Youliang. PREPARATION AND CHARACTERIZATION OF POLYMPROPYLENE GRAFTING MALEIC ANHYDRIDE/SiO2 COMPOSITE-SUPPORTED TITANIUM CATALYSTS. [J]. Acta Polymerica Sinica (6):814-817(2001) DOI：

摘要

Abstract

The composite

prepared with polypropylene grafting maleic anhydride and silica crosslinked by 3-aminopropyltriethyoxysilane

was used as the carrier to support titanium chloride．XPS and FTIR measurements were emplyed to investigate the states of several atoms during stepwise supporting catalyst for clarifying the mechanism．The results showed two possible mechanisms of active catalytic sites on the composite carrier：the catalytic sites bridged through MAO on the inorganic silica-gel；on contrary

the catalytic sites bridging with carbonyls of amide formed in the composite．

关键词

聚丙烯接枝马来酸酐复合载体TiCl4

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SYNTHESIS OF ORGANIC-INORGANIC HYBRID SUPPORTED ZIRCONOCENE CATALYST AND ITS CATALYSIS ON ETHYLENE POLYMERIZATION

RESEARCH IN MORPHOLOGY OF POLYPROPYLENE GRAFTING MALEIC ANHYDRIDE /SiO2 SUPPORTED TITANIUM CATALYSTS AND POLYETHYLENE

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