Patent ID: 6168762
Filing Date: 2001-01-02
Classification: A61F,A61L,B01F

Abstract:
Apparatus for forming a superabsorbent foam, the apparatus comprising: a reactor having a reaction chamber therein for receiving a reaction mixture comprising at least one compound capable of forming a superabsorbent foam; a receiving chamber for receiving said superabsorbent foam formed in said reaction chamber; a stirring unit for stirring said reaction mixture, said stirring unit includes a shaft and at least one blade operating to stir said reaction mixture in said reaction chamber; a sonication unit for applying mechanical waves selected from sonic waves and ultrasonic waves to said reaction mixture; a control unit for repeating the operation of said stirring unit and said sonication unit a selected number of times to form said superabsorbent foam; and a first piston assembly having at least one piston for displacing said superabsorbent foam formed within said reactor from a first position within said reaction chamber to a second position within said receiving chamber.