Highly inorganically filled compositions

Details Highly inorganically filled compositions Highly inorganically filled compositions

C - Chemistry, Metallurgy

08

K

C08K 13/02 (2006.01) B05B 11/00 (2006.01) B28B 1/00 (2006.01) B28B 1/52 (2006.01) B28B 3/12 (2006.01) B28B 3/20 (2006.01) B28B 11/00 (2006.01) B28B 23/00 (2006.01) B28C 5/40 (2006.01) B29C 43/00 (2006.01) B29C 43/02 (2006.01) B29C 43/22 (2006.01) B29C 43/24 (2006.01) B29C 43/34 (2006.01) B29C 43/36 (2006.01) B29C 43/46 (2006.01) B29C 49/00 (2006.01) B29C 51/00 (2006.01) B29C 53/06 (2006.01) B29C 55/18 (2006.01) B29C 67/24 (2006.01) B29C 70/50 (2006.01) B29C 71/00 (2006.01) B31B 17/00 (2006.01) B32B 5/02 (20

Patent

CA 2143004

Compositions, methods, and apparatus for manufacturing sheets having a highly inorganically filled matrix prepared by mixing together an organic polymer binder, water, one or more inorganic aggregate materials, fibers, and optional admixtures in the correct proportions in order to form a sheet which has the desired performance criteria. The inorganically filled mixtures are formed into sheets by first extruding the mixtures (40) and then passing the extruded materials between a set of rollers (50). The rolled sheets are dried in an accelerated manner to form a substantially hardened sheet, such as by heated rollers and/or a drying chamber. The inorganically filled sheets may have properties substantially similar to sheets presently made form traditional materials like paper, paperboard, polystyrene, plastic or metal. Such sheets can be rolled, pressed, scored, perforated, folded, and glued. They have particular utility in the mass production of articles, such as food and beverage containers, and packaging materials.

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