Drying process and product

Details Drying process and product Drying process and product

1981-03-11

1984-01-03

Howard, Jacqueline V.

Catalyst, solid sorbent, or support therefor: product or process

Catalyst or precursor therefor

Organic compound containing

526125, 502168, 502169, C08F 464

Patent

active

044241380

ABSTRACT:
A suspension which comprises an inert liquid medium, a solid material, a transition metal compound and an agglomeration aid 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 and 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 agglomeration aid may be polystyrene dissolved in the inert liquid medium. The dried solid is obtained as an agglomerated solid which can be mixed with an organic compound of a non-transition metal to give an olefin polymerization catalyst system.

REFERENCES:
patent: 3412174 (1968-11-01), Kroll et al.
patent: 3758621 (1973-09-01), Morikawa et al.
patent: 3953414 (1976-04-01), Galli et al.
patent: 3989881 (1976-11-01), Yamaguchi et al.
patent: 4038295 (1977-07-01), Stern et al.
patent: 4111835 (1978-09-01), Foschini et al.
patent: 4277371 (1981-07-01), Caldo et al.
patent: 4293673 (1981-10-01), Hamer et al.
patent: 4302566 (1981-11-01), Karol et al.
Masters Spray Drying (CRC Press), Cleveland, 1975, pp. 539-540.

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