COATED PRINTING PAPER

PROBLEM TO BE SOLVED: To provide coated printing paper having high whiteness degree compared with coated printing paper obtained by using raw paper from 100% chemical pulp, in spite of using raw paper with high amount of DIP, without generating yellowing and reducing whiteness degree and excellent i...

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Bibliographische Detailangaben
Hauptverfasser:	HIBINO TAKESHI, SAJI SOICHI, ARIKAWA HIROYUKI, OSOGOSHI HISAO
Format:	Patent
Sprache:	eng
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 coated printing paper having high whiteness degree compared with coated printing paper obtained by using raw paper from 100% chemical pulp, in spite of using raw paper with high amount of DIP, without generating yellowing and reducing whiteness degree and excellent in shelf stability. SOLUTION: In coated paper formed with coated layers comprising a white pigment and an adhesive as main ingredients on both faces of raw paper comprising deinked treated pulp as main component, pulp having >=65% whiteness degree is used as the deinked treated pulp, fluorescent dye is impregnated into raw paper and the pigment-coated layers are brought to contain 3-20 wt.% of titanium dioxide based on the whole pigment.