EP 3845705 A1 20210707 - INTERLEAVING PAPER FOR GLASS AND PRODUCTION METHOD THEREFOR
Title (en)
INTERLEAVING PAPER FOR GLASS AND PRODUCTION METHOD THEREFOR
Title (de)
ZWISCHENLAGEPAPIER FÜR GLAS UND HERSTELLUNGSVERFAHREN DAFÜR
Title (fr)
PAPIER INTERCALAIRE POUR VERRE ET SON PROCÉDÉ DE PRODUCTION
Publication
Application
Priority
- JP 2018160319 A 20180829
- JP 2019033410 W 20190827
Abstract (en)
The purpose of the present invention is to provide glass interleaving paper capable of reducing the occurrence of glass plate tarnishing, and a production method therefor. Provided is glass interleaving paper, which includes a main component of chemical pulp, a sodium content of 0.03 to 1.0% by mass, and the glass interleaving paper has a basis weight of 10 to 300 g/m<sup>2</sup>, and the chemical pulp contains hardwood pulp having a ratio of 10% by mass or more to the chemical pulp. Also provided is a production method of said glass interleaving paper characterized in that the method includes producing the chemical pulp, papermaking, and using sodium-containing water at least one of in the producing the chemical pulp and in the papermaking. Also provided is a production method of said glass interleaving paper characterized in that the method includes producing the chemical pulp, papermaking, and adding a sodium-containing compound at least one of in the producing the chemical pulp, in the papermaking, and after the papermaking.
IPC 8 full level
D21H 27/00 (2006.01); B65D 85/48 (2006.01)
CPC (source: EP)
B65D 57/002 (2020.05); D21H 11/02 (2013.01); D21H 17/66 (2013.01); D21H 27/00 (2013.01); B65D 85/48 (2013.01)
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
DOCDB simple family (publication)
EP 3845705 A1 20210707; EP 3845705 A4 20220504; EP 3845705 B1 20230503; CN 112601861 A 20210402; CN 112601861 B 20230912; JP 2020033666 A 20200305; JP 7010175 B2 20220126; TW 202014578 A 20200416; TW I741353 B 20211001; WO 2020045380 A1 20200305
DOCDB simple family (application)
EP 19855412 A 20190827; CN 201980055178 A 20190827; JP 2018160319 A 20180829; JP 2019033410 W 20190827; TW 108130593 A 20190827