Suspension polymerization

Details Suspension polymerization Suspension polymerization

Category

C - Chemistry, Metallurgy

Subcategory

08

Subsubcategory

F

CPC

400/1132, 402/57

IPC codes

C08F 2/20 (2006.01) C08F 12/00 (2006.01) C08F 12/04 (2006.01) C08F 253/00 (2006.01) C08F 279/00 (2006.01) C08F 285/00 (2006.01) C08F 291/02 (2006.01)

Type

Patent

Patent number

CA 1092294

Description

Abstract of the Disclosure: There is described an improved process for the disconti- nuous suspension polymerization of alkenyl-aromatic compounds, which comprises re-using the aqueous polymerization medium, after separation of the polymer beads, as the polymerization medium of a subsequent polymerization. Monomer-soluble and water-soluble initiators and, optionally fresh water and dispers- ing agent, are added. Re-using the aqueous polymerization medium does not negatively affect the color and mechanical properties of the polymer obtained. The process of the invention results in considerable saving of energy.

Application Number

281357

Affiliated with

Also associated with

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