CS268496B1 - Acidic additional chromatable dye - Google Patents
Acidic additional chromatable dye Download PDFInfo
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- CS268496B1 CS268496B1 CS888093A CS809388A CS268496B1 CS 268496 B1 CS268496 B1 CS 268496B1 CS 888093 A CS888093 A CS 888093A CS 809388 A CS809388 A CS 809388A CS 268496 B1 CS268496 B1 CS 268496B1
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Abstract
Nové kyselé dodatečně chromovatelné barvivo pro barvení vlny a všech bílkovinných vláken vzoroe I.New acidic post-chromable dye for dyeing wool and all protein fibers of the I type.
Description
Vynález se týká kyselého dodatečně chromovatelného barviva pro barvení vlny i dalších bílkovinných vláken.BACKGROUND OF THE INVENTION The invention relates to an acidic post-chromatable dye for dyeing wool and other protein fibers.
Pro barvení vlny a dalších bílkovinných vláken se kromě kyselých a kovokomplexních barviv využívají také barviva kyselá dodatečně chromovatelná. Vybarvení kyselými dodatečně chromovateInými barvivý se vyznačují výbornými mokrými stálostmi a velmi dobrými stálostmi na světle, jichž nelze dosáhnout při použití jiné třídy barviv.For dyeing wool and other protein fibers, in addition to acidic and metal-complex dyes, acid dyes additionally chromatable are also used. Coloring with acidic post chromatable dyes is characterized by excellent wet fastnesses and very good fastnesses to light, which cannot be achieved by using another class of dyes.
Nyní bylo nalezeno nové kyselé dodatečně ohromovatelné barvivo vzorceWe have now found a new acid post-stunning dye of the formula
které svým odstínem i vlastnostmi vhodně doplňuje paletu kyselých dodatečně chromovatelných barviv, barviv alizarinchroraových.which by its shade and properties suitably complements the palette of acid additionally chromatizable dyes, alizarinchrora dyes.
PříkladExample
18,1 g (0,1 mol) kyseliny aminotereftalové 100% se rozpustí ve 100 ml vody a 80 ml roztoku NaOH (c = 2,5 mol/1). Po rozpuštění se přidá 40 ml roztoku NaNOg (o 2,5 mol/1) a směs se pomalu přikape do předložených 30 ml kyseliny chlorovodíkové (o - 10 mol/1) a 200 g ledu. Teplota diazotace 0 až 5 °C, doba 1 hodina.18.1 g (0.1 mol) of aminoterephthalic acid 100% are dissolved in 100 ml of water and 80 ml of NaOH solution (c = 2.5 mol / l). After dissolution, 40 ml of a 2.5 mol / l NaNOg solution are added and the mixture is slowly added dropwise to the 30 ml of hydrochloric acid (0-10 mol / l) added and 200 g of ice. Diazotation temperature 0-5 ° C, duration 1 hour.
Takto připravené diazo kyseliny aminotereftalové se kopuluje s roztokem sodné soli 2-naftol-3,é-disulfonové kyseliny (R-kyselina), připraveným rozpuštěním 30,4 g (0,1 mol) R-kyseliny 100% ve 100 ml vody a 120 ml roztoku Na^CO^ (c = 1,25 mol/1) a ochlazeným ledem na 10 °C.Při kopulaci vzniká červené barvivo, které se izoluje vysolením NaCl a filtrací. Usušením filtračního koláče se získá 70 g vydatného barviva, které barví vlnu z ky selého prostředí oranžovým odstínem a po dodatečné ohromaoi odstínem červeným.The thus prepared aminoterephthalic acid diazo is coupled with a solution of 2-naphthol-3, 6-disulfonic acid (R-acid) sodium salt, prepared by dissolving 30.4 g (0.1 mol) of R-acid 100% in 100 ml of water and 120 ml. ml of Na 2 CO 4 solution (c = 1.25 mol / l) and cooled ice to 10 ° C. Coupling gave a red dye which was isolated by salting out of NaCl and filtering. Drying of the filter cake yields 70 g of a rich dye, which turns the wool from the acid medium with an orange shade and, after an additional astonishment, with a red shade.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CS888093A CS268496B1 (en) | 1988-12-08 | 1988-12-08 | Acidic additional chromatable dye |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CS888093A CS268496B1 (en) | 1988-12-08 | 1988-12-08 | Acidic additional chromatable dye |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CS809388A1 CS809388A1 (en) | 1989-08-14 |
| CS268496B1 true CS268496B1 (en) | 1990-03-14 |
Family
ID=5431063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CS888093A CS268496B1 (en) | 1988-12-08 | 1988-12-08 | Acidic additional chromatable dye |
Country Status (1)
| Country | Link |
|---|---|
| CS (1) | CS268496B1 (en) |
-
1988
- 1988-12-08 CS CS888093A patent/CS268496B1/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CS809388A1 (en) | 1989-08-14 |
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