Catalyst – solid sorbent – or support therefor: product or process – Catalyst or precursor therefor – Silicon containing or process of making
Patent
1994-10-31
1996-12-10
Pal, Asok
Catalyst, solid sorbent, or support therefor: product or process
Catalyst or precursor therefor
Silicon containing or process of making
502208, 502176, 502236, 502242, 502251, 502506, B01J 2100
Patent
active
055830854
ABSTRACT:
Dehydroxylated oxide (e.g. silica) particles are obtained by reacting oxide particles, having surface hydroxyl groups, with a dialkylcarbonate or diarylcarbonate. The resulting products have surface alkoxy or aryloxy groups and significantly reduced hydroxyl content. The treated oxide particles are especially suitable for use as catalyst supports, and especially as polyolefin catalyst supports.
REFERENCES:
patent: 4056668 (1977-11-01), Berger et al.
patent: 4593079 (1986-06-01), Rekers et al.
Ono, Y. et al. Chem. Mater. 5, 442 (1993).
Capria Mary Ann
Pal Asok
W. R. Grace & Co.,-Conn.
Yildirim Bekir L.
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