GB997268A - A process for producing level dyeings using vat dyestuffs - Google Patents
A process for producing level dyeings using vat dyestuffsInfo
- Publication number
- GB997268A GB997268A GB23656/63A GB2365663A GB997268A GB 997268 A GB997268 A GB 997268A GB 23656/63 A GB23656/63 A GB 23656/63A GB 2365663 A GB2365663 A GB 2365663A GB 997268 A GB997268 A GB 997268A
- Authority
- GB
- United Kingdom
- Prior art keywords
- urea
- dicyandiamide
- moles
- condensation
- acrolein
- 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
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G12/00—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
- C08G12/02—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes
- C08G12/26—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with heterocyclic compounds
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D233/00—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings
- C07D233/04—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member
- C07D233/28—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D233/30—Oxygen or sulfur atoms
- C07D233/32—One oxygen atom
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/22—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using vat dyestuffs including indigo
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Coloring (AREA)
Abstract
Water-soluble condensation products are obtained by reacting 1 mole of ethylene urea, 0.7 to 1.8 moles of a C1- 3 monoaldehyde and 0.01 to 0.8 moles of urea, acetylene diurea or dicyandiamide, reaction being effected in aqueous solution with at least the final stage under acid conditions. Specified monoaldehydes are formaldehyde, acetaldehyde, acrolein and mixtures thereof. The condensation may be effected entirely under acid conditions or the methylol compound may be preformed in a neutral or weakly alkaline medium followed by acid condensation. In examples, ethylene urea is condensed with formaldehyde or acetaldehyde and acetylene diurea, urea with or without acrolein, and dicyandiamide. The products are suitable as levelling agents for dyeing fabrics (see Division D1).ALSO:Water-soluble condensates of 1 mole of ethylene urea 0.7 to 1.8 moles of a C1-3 monoaldehyde and 0.01 to 0.8 moles of urea, acetylene dimea or dicyandiamide, at least the final condensation stage having been effected in an acid medium (see Division C3) are used as levelling agents in dyeing fabrics. They may be added to the dyebath or incorporated in an alkaline bath containing hydrosulphite for the subsequent levelling of patchy vat dyeings. In an example cotton satin is dyed in a bath of sodium hydroxide, sodium hydrosulphite, a dye obtained by sulphur melting from methylbenzanthrone and various condensates of ethylene urea, formaldehyde or acetaldehyde, and acetylene diurea, urea with or without acrolein, or dicyandiamide.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH731162 | 1962-06-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB997268A true GB997268A (en) | 1965-07-07 |
Family
ID=4323134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB23656/63A Expired GB997268A (en) | 1962-06-18 | 1963-06-13 | A process for producing level dyeings using vat dyestuffs |
Country Status (4)
| Country | Link |
|---|---|
| AT (1) | AT239535B (en) |
| BE (1) | BE633682A (en) |
| FR (1) | FR1360639A (en) |
| GB (1) | GB997268A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3652278A (en) * | 1967-07-08 | 1972-03-28 | Fuji Photo Film Co Ltd | Pre-development process for reducing fog in silver halide photographic materials |
-
1963
- 1963-06-13 GB GB23656/63A patent/GB997268A/en not_active Expired
- 1963-06-17 BE BE633682A patent/BE633682A/en unknown
- 1963-06-17 AT AT482863A patent/AT239535B/en active
- 1963-06-18 FR FR938410A patent/FR1360639A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BE633682A (en) | 1963-12-17 |
| FR1360639A (en) | 1964-05-08 |
| AT239535B (en) | 1965-04-12 |
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