Silica-modified aluminophosphate compositions, catalysts, method

Details Silica-modified aluminophosphate compositions, catalysts, method Silica-modified aluminophosphate compositions, catalysts, method

1997-10-31

2000-08-29

Langel, Wayne

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

502210, 502214, 526 95, 526104, 526106, B01J 27182, B01J 27188, C08F 406, C08F 424

Patent

active

06111037&

ABSTRACT:
An amorphous aluminophosphate composition is provided which exhibits a microstructure of sheets and spheres of silica-modified aluminophosphate. Also provided is a method for preparing the composition comprising mixing an aqueous solution containing aluminum ions, phosphate ions and silica ions, with a neutralizing solution, wherein the mixing is conducted with sufficient shear to produce on a microlevel, sheets of silica-modified aluminophosphate and spheres of silica-modified aluminophosphate. A polymerization catalyst and a polymerization process are also provided.

REFERENCES:
patent: 3342750 (1967-09-01), Kearby
patent: 4080311 (1978-03-01), Kehl
patent: 5869587 (1999-02-01), Auburn et al.

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