GB654551A - Dyeing process and dyestuff preparations therefor - Google Patents
Dyeing process and dyestuff preparations thereforInfo
- Publication number
- GB654551A GB654551A GB24901/48A GB2490148A GB654551A GB 654551 A GB654551 A GB 654551A GB 24901/48 A GB24901/48 A GB 24901/48A GB 2490148 A GB2490148 A GB 2490148A GB 654551 A GB654551 A GB 654551A
- Authority
- GB
- United Kingdom
- Prior art keywords
- dyestuffs
- dyed
- mixture
- cellulose
- dyestuff
- 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
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B1/00—Dyes with anthracene nucleus not condensed with any other ring
- C09B1/16—Amino-anthraquinones
- C09B1/20—Preparation from starting materials already containing the anthracene nucleus
- C09B1/26—Dyes with amino groups substituted by hydrocarbon radicals
- C09B1/32—Dyes with amino groups substituted by hydrocarbon radicals substituted by aryl groups
- C09B1/325—Dyes with no other substituents than the amino groups
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Coloring (AREA)
Abstract
Cellulose esters, cellulose ethers, superpolyamides and superpolyesters are dyed with a dyestuff mixture of which the dyeing constituents consist wholly or substantially wholly of 1 - (b - oxyethyl) - amino - 4 - phenylamino - anthraquinone and 1-methylamino-4-phenylamino-anthraquinone, preferably in the relative proportions ranging from 1 : 4 to 4 : 1. In examples: (1) a mixture of equal parts of the two dyestuffs are dissolved in sulphuric acid, precipitated by pouring on to a mixture of ice, water and ammonia, washed and ground with sulphite cellulose waste liquor; (2) the first example is repeated using proportions of the dyestuffs of 2 : 6 and 6 : 2, respectively; (3) equal parts of finely-dispersed pastes of each of the two dyestuffs are mixed and introduced into a solution of the sodium salt of N-benzyl-m -heptadecyl-benzimidazole disulphonic acid, and cellulose acetate silk is dyed therewith; and (4) cellulose acetate silk is dyed with the dyestuff paste of (1) or (2) dispersed as in (3). Specifications 428,767 and 429,951 are referred to.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH654551X | 1947-11-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB654551A true GB654551A (en) | 1951-06-20 |
Family
ID=4526394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB24901/48A Expired GB654551A (en) | 1947-11-26 | 1948-09-23 | Dyeing process and dyestuff preparations therefor |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB654551A (en) |
-
1948
- 1948-09-23 GB GB24901/48A patent/GB654551A/en not_active Expired
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