EP 4234811 A1 20230830 - METHOD OF PRODUCING AN IMPREGNATED PAPER
Title (en)
METHOD OF PRODUCING AN IMPREGNATED PAPER
Title (de)
VERFAHREN ZUR HERSTELLUNG EINES IMPRÄGNIERTEN PAPIERS
Title (fr)
PROCÉDÉ DE PRODUCTION D'UN PAPIER IMPRÉGNÉ
Publication
Application
Priority
EP 22159305 A 20220228
Abstract (en)
There is provided a method of producing an impregnated paper, comprising the steps of:a) forming a paper web from a furnish, which furnish preferably comprises a mixture of hardwood fibers and softwood fibers;b) dewatering and drying the paper web to a moisture content of 10-15 %; andc) impregnating the paper web having the moisture content of 10-15 % by applying a water-based composition comprising starch to at least one side of it, wherein the dry matter content of the water-based composition is 8-18 %, such as 10-15 %.
IPC 8 full level
D21H 17/16 (2006.01); D21H 17/17 (2006.01); D21H 17/28 (2006.01); D21H 17/29 (2006.01); D21H 17/54 (2006.01); D21H 17/55 (2006.01); D21H 19/54 (2006.01); D21H 19/82 (2006.01); D21H 19/84 (2006.01); D21H 21/16 (2006.01); D21H 23/26 (2006.01); D21H 23/42 (2006.01); D21H 27/10 (2006.01)
CPC (source: EP)
D21H 17/28 (2013.01); D21H 17/29 (2013.01); D21H 17/54 (2013.01); D21H 17/55 (2013.01); D21H 19/54 (2013.01); D21H 19/84 (2013.01); D21H 21/16 (2013.01); D21H 23/26 (2013.01); D21H 23/42 (2013.01); D21H 27/10 (2013.01)
Citation (search report)
- [X] EP 0601562 A1 19940615 - EASTMAN KODAK CO [US]
- [X] DE 102011001617 A1 20121004 - PAPIERFABRIK HAMBURGER RIEGER GMBH & CO KG [DE]
- [XI] CN 110093806 A 20190806 - UNIV ZHEJIANG SIENCE & TECHNOLOGY
- [A] CN 107988845 A 20180504 - ANHUI HONGSHI OPTOELECTRONIC HIGH TECH CO LTD
- [A] CN 110158364 A 20190823 - ZHEJIANG HENGDA NEW MAT CO LTD
- [A] CN 112080964 A 20201215 - JIANGJU TOBACCO GROUP CO LTD JINAN PACKAGING MAT BRANCH
- [A] US 2009297842 A1 20091203 - AKIYAMA KOUSUKE [JP]
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
Designated validation state (EPC)
KH MA MD TN
DOCDB simple family (publication)
EP 4234811 A1 20230830; EP 4234810 A1 20230830; EP 4234810 B1 20240221; FI 4234810 T3 20240516; WO 2023161351 A1 20230831
DOCDB simple family (application)
EP 22167403 A 20220408; EP 2023054574 W 20230223; EP 22159305 A 20220228; FI 22159305 T 20220228