EP 0996787 A1 20000503 - PAPER PRODUCTS COMPRISING FILLER MATERIALS
Title (en)
PAPER PRODUCTS COMPRISING FILLER MATERIALS
Title (de)
FÜLLMATERIAL ENTHALTENDE PAPIERPRODUKTE
Title (fr)
PRODUITS DE PAPIER A MATIERES DE CHARGE
Publication
Application
Priority
- US 9814605 W 19980717
- US 5316697 P 19970718
Abstract (en)
[origin: WO9904092A1] Composite products having mineral networks polymerized about cellulosic material and a method for making such products are described. One embodiment of the composite product comprises a paper product having a polymerized mineral network, such as a silica/silicate network around, throughout and/or about the cellulosic material instead of having isolated particles of filler material deposited onto, or purposefully bonded to, the cellulosic material. One embodiment of the method comprises providing a mixture comprising cellulosic material, a Group I metal silicate and a Group II metal base or salt. The mixture is then carbonated to produce a product comprising precipitated carbonate filler material and a polymerized mineral network about the cellulosic material. This product is then formed into paper products wherein the ash content can be substantially greater than conventional paper products while maintaining suitable strength properties.
IPC 1-7
D21H 17/70; D21H 17/28; D21H 23/76; D21H 23/04; D06M 11/76; D06M 11/79
IPC 8 full level
D06M 11/00 (2006.01); D06M 11/76 (2006.01); D06M 11/79 (2006.01); D21H 17/28 (2006.01); D21H 17/68 (2006.01); D21H 17/70 (2006.01); D21H 23/04 (2006.01); D21H 23/76 (2006.01); D21H 17/67 (2006.01)
CPC (source: EP KR)
D21H 17/70 (2013.01 - KR); D21H 23/04 (2013.01 - EP); D21H 23/765 (2013.01 - EP); D21H 17/28 (2013.01 - EP); D21H 17/675 (2013.01 - EP); D21H 17/68 (2013.01 - EP); D21H 17/70 (2013.01 - EP)
Citation (search report)
See references of WO 9904092A1
Designated contracting state (EPC)
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
DOCDB simple family (publication)
WO 9904092 A1 19990128; AU 8570998 A 19990210; CA 2296640 A1 19990128; EP 0996787 A1 20000503; JP 2001510251 A 20010731; KR 20010021984 A 20010315
DOCDB simple family (application)
US 9814605 W 19980717; AU 8570998 A 19980717; CA 2296640 A 19980717; EP 98936851 A 19980717; JP 2000503292 A 19980717; KR 20007000550 A 20000117