EP 1458929 A1 20040922 - FILLER FOR THE MANUFACTURE OF BASE PAPER AND METHOD FOR THE MANUFACTURE OF BASE PAPER
Title (en)
FILLER FOR THE MANUFACTURE OF BASE PAPER AND METHOD FOR THE MANUFACTURE OF BASE PAPER
Title (de)
FÜLLSTOFF ZUR HERSTELLUNG VON STREICHPAPIER SOWIE VERFAHREN ZUR HERSTELLUNG VON STREICHPAPIER
Title (fr)
CHARGE UTILISEE DANS LA FABRICATION DU PAPIER SUPPORT ET PROCEDE DE FABRICATION DU PAPIER SUPPORT
Publication
Application
Priority
- FI 0200939 W 20021121
- FI 20012328 A 20011128
Abstract (en)
[origin: WO03050355A1] The invention relates to the use of precipitated calcium carbonates (PCC) as fillers for the manufacture of base paper together with mechanical hardwood pulp and chemical softwood pulp, and to a method for the manufacture of base paper, in which method pulp produced from hard woods, in particular from the wood of the genus Populus, and chemical softwood pulp are used together with a PCC filler. The use of precipitated calcium carbonate (PCC) for the manufacture of base paper together with mechanical hardwood pulp and chemical softwood pulp is characterized in that >= 20 wt-% of the fibres of the mechanical hardwood pulp is included in the fibre size fraction of < 200 mesh and 10 - 40 wt-% of them is included in the fibre size fraction of 28/48 mesh, the brightness of the mechanical hardwood pulp is >= 75, the particle size distribution of the precipitated calcium carbonate is 90 % <= 9 microm, 50 % <= 5 microm and 20 % <= 1.5 microm, and the basis weight of the base paper is 25 - 150 g/m2.
IPC 1-7
IPC 8 full level
D21H 11/10 (2006.01); D21H 17/67 (2006.01); D21H 11/02 (2006.01); D21H 21/52 (2006.01)
CPC (source: EP US)
D21H 17/675 (2013.01 - EP US); D21H 11/02 (2013.01 - EP US); D21H 21/52 (2013.01 - EP US)
Citation (search report)
See references of WO 03050355A1
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR
DOCDB simple family (publication)
WO 03050355 A1 20030619; AU 2002366533 A1 20030623; AU 2002366533 B2 20080306; CA 2466899 A1 20030619; CN 1309904 C 20070411; CN 1596327 A 20050316; EP 1458929 A1 20040922; FI 116573 B 20051230; FI 20012328 A0 20011128; FI 20012328 A 20030529; JP 2005511916 A 20050428; NZ 533042 A 20070126; US 2004256067 A1 20041223
DOCDB simple family (application)
FI 0200939 W 20021121; AU 2002366533 A 20021121; CA 2466899 A 20021121; CN 02823681 A 20021121; EP 02804592 A 20021121; FI 20012328 A 20011128; JP 2003551368 A 20021121; NZ 53304202 A 20021121; US 49612304 A 20040520