Alumina phosphated with partial ester

Details Alumina phosphated with partial ester Alumina phosphated with partial ester

1990-07-27

1991-03-19

Smith, Edward J.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526105, 526129, 526145, C08F 424, C08F 1000

Patent

active

050012045

ABSTRACT:
An alumina-containing material is phosphated with mono- and dialkylphosphate esters. These partial phosphate esters are produced by a solvolysis reaction of a phosphorus compound and an alcohol. The phosphated alumina-containing material, when combined with a transition metal, such as chromium, can be used as a polymerization catalyst system to polymerize mono-1-olefins.

REFERENCES:
patent: 4364840 (1982-12-01), McDaniel et al.
patent: 4397765 (1983-08-01), McDaniel
patent: 4444963 (1984-04-01), McDaniel et al.
patent: 4536489 (1985-08-01), Speca et al.
patent: 4629717 (1986-12-01), Tai-Hsiang Chao
patent: 4640964 (1987-02-01), Johnson et al.
patent: 4788171 (1988-11-01), Klendworth

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