DE397434C - Process for the production of lightfast effect papers - Google Patents

Process for the production of lightfast effect papers

Info

Publication number
DE397434C
DE397434C DEF51570D DEF0051570D DE397434C DE 397434 C DE397434 C DE 397434C DE F51570 D DEF51570 D DE F51570D DE F0051570 D DEF0051570 D DE F0051570D DE 397434 C DE397434 C DE 397434C
Authority
DE
Germany
Prior art keywords
lightfast
effect
papers
production
paper
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
DEF51570D
Other languages
German (de)
Inventor
Kuno Franz
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hoechst AG
Original Assignee
Hoechst AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hoechst AG filed Critical Hoechst AG
Priority to DEF51570D priority Critical patent/DE397434C/en
Application granted granted Critical
Publication of DE397434C publication Critical patent/DE397434C/en
Expired legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
    • D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
    • D21H21/28—Colorants ; Pigments or opacifying agents

Landscapes

  • Paper (AREA)
  • Coloring (AREA)

Description

Verfahren zur Herstellung von lichtechten Effektpapieren. Einem großen Teil von Effektpapieren, die während der Erzeugung des Papiers autf der Papiermaschine oder nach Fertigstellung desselben von Hand oder maschinell mit Farbstofflösungen bunt gemustert werden, haftet der Fehler an, daß sie nicht lichtecht sind.Process for the production of lightfast effect papers. A big one Part of effect papers that are used in the paper machine during the production of the paper or after completion of the same by hand or by machine with dye solutions If they are colorfully patterned, the mistake is that they are not lightfast.

Es wurde nun gefunden, daß man auch diese Papiere, entgegen der Annahme, daß die alkalischen Lösungen der Leukoverbindungen diesen schädlich sind, lichtecht erzeugen kann, wenn man anstatt der wenig lichtechten Farbstofflösungen Lösungen von Leukokörpern verwendet, die, auf in der Bildung begriffenes oder fertiges Papier gebracht, durch Oxydation an der Luft Färbungen vorn vorzüglicher Lichtechtheit ergeben.It has now been found that, contrary to the assumption that the alkaline solutions of the leuco compounds are harmful to them, lightfast can be produced if one uses solutions instead of the poorly lightfast dye solutions used by leuco bodies that, on paper in formation or finished brought, by oxidation in the air, dyeings in front of excellent lightfastness result.

Beispiele. r. Für einfache Färbungen: i kg Indanthrenblau RS Teig werden mit qoo ccm Natronlauge 400 B6, 150 g Hydrosulfit konzentriertem .Pulver und 5 000 ccm Wasser verküpt.Examples. r. For simple coloring: 1 kg of indanthrene blue RS dough are vat with qoo ccm sodium hydroxide solution 400 B6, 150 g hydrosulphite concentrated powder and 5,000 ccm water.

Mit dieser Küpe werden ioo kg Papierstoff im Holländer gefärbt.und der Stoff sodann, wie üblich, auf der Papiermaschine verarbeitet.With this vat, 100 kg of paper stock are dyed in the Hollander. And the fabric is then processed on the paper machine as usual.

Für ein Effektpapier: io g Headonbla:u, 3 g Pulver werden mit 3 ccm Natronlauge q.0° B6, 2 g Hydrosulfit konzentriertem Pulver und i ooo ccm Wasser verküpt.For an effect paper: io g Headonbla: u, 3 g powder with 3 ccm Sodium hydroxide solution q.0 ° B6, 2 g hydrosulphite concentrated powder and 100 cc water condensed.

Diese Küpe wird alsdann gemäß dem aus der Patentschrift 17607o bekannten Verfahren zur Erreichting des Effektes verwendet.This vat is then made according to that known from patent 17607o Method used to achieve the effect.

Claims (1)

PATENT- ANsPRUCFi: Verfahren zur Herstellung von lichtechten Effektpapieren, dadurch gekennzeichnet, daß- .zur Färbung oder Musterung des Papiers Lösungen von Leukokörpern verwendet werden.PATENT APPLICATION: Process for the production of lightfast effect papers, characterized in that, for coloring or patterning the paper, solutions of Leukobodies are used.
DEF51570D 1922-04-16 1922-04-16 Process for the production of lightfast effect papers Expired DE397434C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEF51570D DE397434C (en) 1922-04-16 1922-04-16 Process for the production of lightfast effect papers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEF51570D DE397434C (en) 1922-04-16 1922-04-16 Process for the production of lightfast effect papers

Publications (1)

Publication Number Publication Date
DE397434C true DE397434C (en) 1924-06-24

Family

ID=7104719

Family Applications (1)

Application Number Title Priority Date Filing Date
DEF51570D Expired DE397434C (en) 1922-04-16 1922-04-16 Process for the production of lightfast effect papers

Country Status (1)

Country Link
DE (1) DE397434C (en)

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