Drying process and product

Details Drying process and product Drying process and product

1985-09-30

1987-05-19

Smith, Edward J.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

526124, 526125, 526129, 526139, 526140, 526142, 526156, 526159, 526169, C08F 464, C08F 1000

Patent

active

046669906

ABSTRACT:
A suspension which comprises an inert liquid medium, a solid material, and a transition metal compound is dried using a spray-drying technique. The spray-drying is effected under conditions of temperature and pressure which are such as to cause evaporation of the liquid medium. The solid material is preferably in a finely-divided form. The solid material may consist essentially of a transition metal compound or may be a transition metal compound which is supported on a suitable solid inert matrix material. Alternatively, a suspension of a solid support material in a solution of a transition metal compound may be used. The dried solid is obtained as an agglomerate. The agglomerated solid can be mixed with an organic compound of a non-transition metal to give an olefin polymerisation catalyst system.

REFERENCES:
patent: 3701763 (1972-10-01), Wada et al.
patent: 4182816 (1980-01-01), Count et al.
patent: 4228262 (1980-10-01), Count et al.
patent: 4293673 (1981-10-01), Hamer et al.
patent: 4354010 (1982-10-01), Newton

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