DE452214C - Method of coloring mother-of-pearl - Google Patents

Method of coloring mother-of-pearl

Info

Publication number
DE452214C
DE452214C DEI27383D DEI0027383D DE452214C DE 452214 C DE452214 C DE 452214C DE I27383 D DEI27383 D DE I27383D DE I0027383 D DEI0027383 D DE I0027383D DE 452214 C DE452214 C DE 452214C
Authority
DE
Germany
Prior art keywords
pearl
mother
coloring mother
coloring
ammonia
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
DEI27383D
Other languages
German (de)
Inventor
Dr Herbert Schuessler
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.)
IG Farbenindustrie AG
Original Assignee
IG Farbenindustrie 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 IG Farbenindustrie AG filed Critical IG Farbenindustrie AG
Priority to DEI27383D priority Critical patent/DE452214C/en
Application granted granted Critical
Publication of DE452214C publication Critical patent/DE452214C/en
Expired legal-status Critical Current

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Description

Verfahren zum Färben von Perlmutter. Bei den gebräuchlichen Verfahren zum Färben von Perlmutter mit basischen Farbstoffen unter Zuhilfenahme von Ammoniak oder Silbernitrat zeigen sich häufig nachteilige Erscheinungen. Beim Ammoniak z. B. werden eine Reihe von basischen Farben überhaupt nicht aufgenommen, während bei Verwendung von Silbernitrat bisweilen nach kurzer Zeit infolge Bildung von Schwefelsilber Dunkelfärbung auftritt.Method of dyeing mother-of-pearl. With the usual procedures for coloring mother-of-pearl with basic dyes with the aid of ammonia or silver nitrate often show adverse phenomena. When ammonia z. B. a number of basic colors are not absorbed at all, while at Use of silver nitrate sometimes after a short time due to the formation of sulfur silver Darkening occurs.

Es wurde nun gefunden, daß man durch Vorbehandlung der Perlmuttergegenstände mit Formaldehyd die obengenannten Mängel beseitigen und obendrein Färbungen von bedeutend größerer Gleichmäßigkeit und Schönheit erzielen kann. Beispiel. Das Perlmutter wird einer mehrtägigen Vorbehandlung mit 3o- bis 4oprozentiger Formalinlösung unterworfen, mit Methylviolett in etwa iprozentiger Lösung gefärbt und gut gewaschen.It has now been found that by pretreating the mother-of-pearl objects Use formaldehyde to eliminate the above-mentioned defects and, on top of that, the coloration of can achieve significantly greater uniformity and beauty. Example. The mother-of-pearl is subjected to a pretreatment for several days with 3 to 4 percent formalin solution, Stained with methyl violet in about 1 percent solution and washed well.

Claims (1)

PATJ?NTANSPRUCH.: Verfahren zum Färben von Perlmutter, dadurch gekennzeichnet, daß man dasselbe einer Vorbehandlung mit Formaldehyd unterwirft.PATJ? NTANSPRUCH .: Process for dyeing mother-of-pearl, characterized in that it is subjected to a pretreatment with formaldehyde.
DEI27383D 1926-02-06 1926-02-06 Method of coloring mother-of-pearl Expired DE452214C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEI27383D DE452214C (en) 1926-02-06 1926-02-06 Method of coloring mother-of-pearl

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEI27383D DE452214C (en) 1926-02-06 1926-02-06 Method of coloring mother-of-pearl

Publications (1)

Publication Number Publication Date
DE452214C true DE452214C (en) 1927-11-08

Family

ID=7186762

Family Applications (1)

Application Number Title Priority Date Filing Date
DEI27383D Expired DE452214C (en) 1926-02-06 1926-02-06 Method of coloring mother-of-pearl

Country Status (1)

Country Link
DE (1) DE452214C (en)

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