Composite product based on fibers and fillers, and process...

Details Composite product based on fibers and fillers, and process... Composite product based on fibers and fillers, and process...

D - Textiles, Paper

21

H

D21H 15/02 (2006.01) C08K 3/26 (2006.01) D21H 11/18 (2006.01) D21H 17/64 (2006.01) D21H 17/67 (2006.01) D21H 17/70 (2006.01) D21H 23/16 (2006.01)

Patent

CA 2093545

The present invention relates to a novel composite product which is composed of a fibrocrystalline heterogeneous structure consisting of: ~ on the one hand a plurality of fibers of expanded specific surface area and of hydrophilic character, having a substantial quantity of microfibrils on their surface, and ~ on the other hand crystals of precipitated calcium carbonate (PCC), organised essentially in clusters of granules, the majority of which trap the micro-fibrils and are joined directly thereto by mechanical bonding. - Application to the field of construction materials and papermaking.

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