Patent ID: 6180037
Filing Date: 2001-01-30
Classification: B01F,B05C,B28B,B28C,B29C,B29K,B29L,B31B,B31D,B32B,B65D,C04B,C08J,C08L,E05D,E05Y,Y10S,Y10T

Abstract:
A method for manufacturing an inorganically filled sheet comprising:mixing water, a water-dispersible organic polymer binder, an inert inorganic aggregate filler, and a fibrous material to form a moldable inorganically filled mixture having a water concentration such that the mixture has a yield stress in a range from about 2 kPa to about 5 MPa;extruding the moldable inorganically filled mixture into a green form stable sheet; anddrying the green sheet in an accelerated manner to evaporate a substantial portion of the water to thereby harden the water-dispersible organic polymer binder and form a substantially dried inorganically filled sheet, the sheet having a thickness up to about 2 cm.