DE-INKING AGENT FOR REGENERATING WASTE PAPER AND REMOVAL OF INK

PROBLEM TO BE SOLVED: To obtain a de-inking agent for regenerating waste paper, capable of efficiently removing the ink from pulp fibers and giving regenerated pulp high in whiteness and little in the left ink. SOLUTION: This de-inking agent for regenerating waste paper contains an enzyme and a comp...

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Bibliographische Detailangaben
Hauptverfasser:	MASAMIZU KOJI, EGAWA JUNTA, TAKUBO YOKO
Format:	Patent
Sprache:	eng
Schlagworte:	APPARATUS THEREFOR CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATERTREATMENT OR WASTE MANAGEMENT GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS PAPER-MAKING PRODUCTION OF CELLULOSE PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCESFROM CELLULOSE-CONTAINING MATERIALS REGENERATION OF PULPING LIQUORS TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE TEXTILES
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To obtain a de-inking agent for regenerating waste paper, capable of efficiently removing the ink from pulp fibers and giving regenerated pulp high in whiteness and little in the left ink. SOLUTION: This de-inking agent for regenerating waste paper contains an enzyme and a compound of the formula: R O-(PO)x -[(EO)y -(AO)z ]-R , wherein R1 is a 8-24C linear of branched alkyl or alkeny2; R is hydrogen or a 2-24C acyl; PO is a propylene unit; Eo is an ehtylece unit; AO is a >=3C alkylene oxide unit; (x) and (z) are each a positive integer of >=1, and 10