Controlled macroporous copolymer properties by removal of impuri

Details Controlled macroporous copolymer properties by removal of impuri Controlled macroporous copolymer properties by removal of impuri

1989-09-05

1991-05-07

Stoll, Robert L.

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

Synthetic resins

C08J 520

Patent

active

H00009156

ABSTRACT:
Macroporous copolymer particles are prepared via a process wherein phase separating diluent is removed from copolymer particles and isolated (e.g., by distillation). The isolated diluent is purified by eluting the diluent through a column containing a purification agent such as alumina. The recycled diluent can be employed in the further preparation of macroporous copolymer particles.

REFERENCES:
patent: 3679645 (1972-07-01), Host
patent: 3969091 (1976-07-01), Tegge et al.
patent: 4224415 (1980-09-01), Neitzne et al.
patent: 4250270 (1981-02-01), Farrar
patent: 4463164 (1984-07-01), Patton et al.

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