Method for dispersing pigment in liquid medium

Details Method for dispersing pigment in liquid medium Method for dispersing pigment in liquid medium

2006-07-13

2009-11-17

Sorkin, David L (Department: 1797)

Agitating

Having interrelated feed and discharge means

Recirculating from and to mixing chamber

C366S139000, C241S046150, C241S061000, C241S097000, C241S101800, C241S171000

Reexamination Certificate

active

07618181

ABSTRACT:
The present invention provides an apparatus for dispersing pigment in a water-based or oil-based intermediate mixture for producing a coating composition comprising a mixer and a dispersing device, the mixer having a vacuum pump and capable of conducting a primary mixing of a pigment component and resin-containing liquid medium to form an intermediate mixture, the dispersing device capable of conducting the secondary mixing of the intermediate mixture, the mixer and the dispersing device being connected by pipes to form a circulation channel for the intermediate mixture, one of the pipes being provided with a seal-less pump, the intermediate mixture capable of circulating between the mixer and the dispersing device through the circulation channel.

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