DE431369C - Manufacture of dye inks - Google Patents

Manufacture of dye inks

Info

Publication number
DE431369C
DE431369C DEA43924D DEA0043924D DE431369C DE 431369 C DE431369 C DE 431369C DE A43924 D DEA43924 D DE A43924D DE A0043924 D DEA0043924 D DE A0043924D DE 431369 C DE431369 C DE 431369C
Authority
DE
Germany
Prior art keywords
parts
manufacture
formaldehyde
dye inks
dye
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
DEA43924D
Other languages
German (de)
Inventor
Dr Herbert Haehle
Dr Hermann Schladebach
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.)
JG Farbenindustrie AG
Original Assignee
JG 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
Priority to DEA43853D priority Critical patent/DE430582C/en
Application filed by JG Farbenindustrie AG filed Critical JG Farbenindustrie AG
Priority to DEA43924D priority patent/DE431369C/en
Application granted granted Critical
Publication of DE431369C publication Critical patent/DE431369C/en
Priority to DEI29093D priority patent/DE458803C/en
Priority claimed from DEI29093D external-priority patent/DE458803C/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D11/00—Inks
    • C09D11/16—Writing inks

Description

Herstellung von Farbstofftinten: Nach dem Patent 430582 werden wasserechte Schrift liefernde Farbstofftinten dadurch erhalten, daß man den Lösungen von geeigneten Substantiven Farbstoffen freies Alkali zusetzt. Production of dye inks : According to patent 430582, dye inks which provide waterfast writing are obtained by adding alkali free of suitable nouns to dyes.

Es wurde nun gefunden, daß man das Wasserechtwerden solcher Tinten durch Zusatz geringer Mengen Formaldehyd oder formaldehydabspaltender Mittel beschleunigen kann.It has now been found that such inks can become waterfast Accelerate by adding small amounts of formaldehyde or formaldehyde-releasing agents can.

Weiterhin wurde gefunden, daß man bei solchen Farbstoffen, die freie Amino- oder Hydroxylgruppen enthalten, auch ohne Alkali durch Zusatz von Formaldehyd oder formaldehydabspaltenden Mitteln eine Tinte erhalten kann, deren Schrift schnell wasserecht wird.It has also been found that such dyes, the free Contain amino or hydroxyl groups, even without alkali by adding formaldehyde or formaldehyde-releasing agents, an ink whose writing can be obtained quickly becomes water-fair.

Beispiel i.Example i.

Etwa i 9 Teile eines Farbstoffes der allgemeinen Formel werden in q.90 Teilen kochendem, destilliertem Wasser gelöst. Nach dem Erkalten und Filtrieren fügt man ioccm 30prozentigen Formaldehyd und 50 ccm 2-n-Natriumhydroxydlösung zu und stellt wieder auf iooo Teile. Die mit dieser Tinte hergestellte Schrift ist nach kurzer Zeit wasserecht und auch sehr bald echt gegen verdünnte Alkalien.About i 9 parts of a dye of the general formula are dissolved in 90 parts of boiling, distilled water. After cooling and filtering, 10 cm of 30 percent formaldehyde and 50 ccm of 2N sodium hydroxide solution are added and the mixture is again made up to 100%. The writing produced with this ink is waterfast after a short time and very soon also real against diluted alkalis.

Beispiele. Etwa 12 Teile eines Farbstoffs der in Beispiel i bezeichneten Reihe werden in 95o Teilen kochendem, destilliertem Wasser gelöst. Nach dem Erkalten und Filtrieren werden 5o Teile Formaldehyd von 3o Prozent Gehalt zugesetzt und dies Lösung auf iooo Teile gestellt. Die mit der Tinte hergestellte Schrift ist nach kurzer Zeit völlig wasserecht. Beispiel 3. Examples. About 12 parts of a dye of the series referred to in Example i are dissolved in 95o parts of boiling, distilled water. After cooling and filtering, 50 parts of formaldehyde of 30 percent content are added and this solution is made up to 1,000 parts. The writing produced with the ink is completely waterfast after a short time. Example 3.

Etwa io Teile eines Farbstoffes der allgemeinen Formel p-Diamin-azo ---Y Aminophenoläther-azo >- Aminooxynaphthahnsulfosäure (Ammoniumsalz) werden in 95o Teilen kochendem, destilliertem Wasser gelöst. Nach dein Erkalten und Filtrieren werden 5o Teile Formaldehyd (30prozentig) zugesetzt. Diese Tinte ist nach dem Schreiben und Trocknen sofort wasserecht und auch echt gegen verdünnte Alkalien.About 10 parts of a dye of the general formula p-diamine-azo --- Y aminophenol ether azo> - Aminooxynaphthane sulfonic acid (ammonium salt) are used in Dissolved 95o parts of boiling, distilled water. After your cooling and filtering 50 parts of formaldehyde (30 percent) are added. This ink is after writing and drying immediately water-fast and also resistant to diluted alkalis.

Claims (1)

PATENTANSPRUCH: Abänderung des Verfahrens nach dein Patent 430582, darin bestehend, daß den Lösungen von Substantiven Farbstoffen Formaldehyd bzw. forinaldebydabspaltende Mittel in An- oder Abwesenheit von Alkali zugesetzt werden.PATENT CLAIM: Modification of the process according to patent 430582, consisting in adding formaldehyde or forinaldebyd-releasing agents to solutions of nouns in the presence or absence of alkali.
DEA43924D 1925-01-04 1925-01-14 Manufacture of dye inks Expired DE431369C (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DEA43853D DE430582C (en) 1925-01-04 1925-01-04 Manufacture of dye inks
DEA43924D DE431369C (en) 1925-01-04 1925-01-14 Manufacture of dye inks
DEI29093D DE458803C (en) 1925-01-14 1926-09-22 Manufacture of dye inks

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DEA43853D DE430582C (en) 1925-01-04 1925-01-04 Manufacture of dye inks
DEA43924D DE431369C (en) 1925-01-04 1925-01-14 Manufacture of dye inks
DEI29093D DE458803C (en) 1925-01-14 1926-09-22 Manufacture of dye inks

Publications (1)

Publication Number Publication Date
DE431369C true DE431369C (en) 1926-07-06

Family

ID=32314675

Family Applications (2)

Application Number Title Priority Date Filing Date
DEA43853D Expired DE430582C (en) 1925-01-04 1925-01-04 Manufacture of dye inks
DEA43924D Expired DE431369C (en) 1925-01-04 1925-01-14 Manufacture of dye inks

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DEA43853D Expired DE430582C (en) 1925-01-04 1925-01-04 Manufacture of dye inks

Country Status (1)

Country Link
DE (2) DE430582C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE957586C (en) * 1953-01-01 1957-02-07 Basf Ag Lightfast and water-resistant inks and inks

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE957586C (en) * 1953-01-01 1957-02-07 Basf Ag Lightfast and water-resistant inks and inks

Also Published As

Publication number Publication date
DE430582C (en) 1927-10-27

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