WHITE LINER FOR CARDBOARD, MANUFACTURING METHOD THEREFOR, AND WHITE CARDBOARD

PROBLEM TO BE SOLVED: To provide a white liner for cardboard sufficiently high in whiteness even though percentage content of waste paper pulp is high, a manufacturing method therefor and a white cardboard.SOLUTION: There is provided a paper made white liner constituting a surface of a white cardboa...

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Bibliographische Detailangaben
Hauptverfasser:	IDE HARUKA, OTANI HIROSHI, YAMAWAKI TOSHIFUMI, TAKASE SHOHEI, KANI KENTARO, SAITO TAKAHIRO
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	IMPREGNATING OR COATING OF PAPER PAPER NOT OTHERWISE PROVIDED FOR PAPER-MAKING PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D PRODUCTION OF CELLULOSE PULP COMPOSITIONS TEXTILES TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a white liner for cardboard sufficiently high in whiteness even though percentage content of waste paper pulp is high, a manufacturing method therefor and a white cardboard.SOLUTION: There is provided a paper made white liner constituting a surface of a white cardboard, which is a laminate containing at least a surface layer and a back surface layer, the surface layer containing waste paper pulp of 80 to 100 mass% based on total mass of surface layer pulp and calcium of 10 to 30 pts.mass in terms of CaCOanhydride based on 100 pts.mass of the whole surface layer.SELECTED DRAWING: None 【課題】古紙パルプの含有率が高いにも関わらず充分に白色度が高い、段ボール用白色ライナー及びその製造方法、並びに白色段ボールを提供する。【解決手段】白色段ボールの表面を構成する紙製の白色ライナーであって、少なくとも表層及び裏層を含む積層体であり、前記表層は、表層パルプの総質量に対して８０〜１００質量％の古紙パルプ、表層全体１００質量部に対してＣａＣＯ３無水物換算で１０〜３０質量部のカルシウムを含む白色ライナー。【選択図】なし