Plasticizer removal process and system

Details Plasticizer removal process and system Plasticizer removal process and system

1982-06-11

1984-08-21

Spitzer, Robert H.

Gas separation

Means within gas stream for conducting concentrate to collector

55387, 55DIG42, 355 3R, B01D 5304

Patent

active

044668139

ABSTRACT:
The contamination of machine components by a plasticizer such as dioctyl phthalate is controlled by placing a plasticizer absorbing/adsorbing member in the migration path of the plasticizer. The plasticizer may migrate with the airflow (airborne contamination) in a machine or through direct contact (conductive). The airborne contaminants such as dioctyl phthalate (DOP) tend to migrate from relatively warm heat producing components to cooler components of a machine. The airborne contaminants are trapped by an active DOP absorber disposed in the airflow path between the components. In a convenience copier, the airborne contaminants tend to condense on the photoconductor's surface. To this end, the active absorber/adsorber is placed in the airflow stream between various heat generating electrical components and the photoconductor's surface. In a connector, the contamination results from direct contact and is controlled by placing a plasticizer migration barrier in the migration path of the plasticizer.

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Brown et al., IBM Technical Disclosure Bulletin, vol. 23, No. 12, 5/1981, pp. 5620-5621, "Integral Ozone Filtration System".
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Laing et al., Xerox Disclosure Journal, vol. 6, No. 5, 9/10-1981, "Filtering Devices for use in Copying Machines".

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