GB509407A - Improvements in or relating to the dyeing of cellulose or cellulose derivative textile materials - Google Patents
Improvements in or relating to the dyeing of cellulose or cellulose derivative textile materialsInfo
- Publication number
- GB509407A GB509407A GB90438A GB90438A GB509407A GB 509407 A GB509407 A GB 509407A GB 90438 A GB90438 A GB 90438A GB 90438 A GB90438 A GB 90438A GB 509407 A GB509407 A GB 509407A
- Authority
- GB
- United Kingdom
- Prior art keywords
- cellulose
- formaldehyde
- acid
- thiourea
- dyeing
- 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
-
- 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
- D06P5/00—Other features in dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form
- D06P5/22—Effecting variation of dye affinity on textile material by chemical means that react with the fibre
- D06P5/225—Aminalization of cellulose; introducing aminogroups into cellulose
-
- 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
- D06P1/44—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 insoluble pigments or auxiliary substances, e.g. binders
- D06P1/52—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 insoluble pigments or auxiliary substances, e.g. binders using compositions containing synthetic macromolecular substances
- D06P1/56—Condensation products or precondensation products prepared with aldehydes
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Abstract
509,407. Dyeing ; artificial silk ; resinous condensation products. COURTAULDS, Ltd., and MORTON, T. H. Jan. 11, 1938, No. 904. [Classes 2 (ii), 2 (iii) and 15 (ii)] The dyeing properties of textile materials comprising cellulose or its derivatives which do not contain protein substances or their derivatives or basic amino or imino groups, are improved by incorporating therein a ureaformaldehyde or a thiourea formaldehyde precondensate in admixture with a product obtained by reacting cyanamide and formaldehyde under acid or neutral conditions (or with a mixture thereof) and thereafter heating the materials. The precondensates are watersoluble products formed by reacting urea or thiourea and formaldehyde for a short time in neutral or slightly acid or alkaline conditions. The treatment may be effected by impregnating the textiles with a solution or dispersion of the condensation products or the latter may be added to the solution of cellulose, e.g. viscose, or cellulose derivative, e.g. cellulose acetate, from which artificial threads are produced. An acid or potentially acid catalyst for promoting the insolubilization of the resins in the fibre may be added to the mixture which is incorporated in the material, suitable catalysts being sulphuric and tartaric acids, potassium tetroxalate, alum and ammonium sulphate. In the example, viscose staple fibre fabric is padded with a solution containing cyanamide, formaldehyde, a soluble thiourea-formaldehyde complex and ammonium sulphate, dried and heated for 15 minutes at 150‹ C. when it possesses a good affinity for acid dyes. Specifications 484,901 and 506,793 are referred to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB90438A GB509407A (en) | 1938-01-11 | 1938-01-11 | Improvements in or relating to the dyeing of cellulose or cellulose derivative textile materials |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB90438A GB509407A (en) | 1938-01-11 | 1938-01-11 | Improvements in or relating to the dyeing of cellulose or cellulose derivative textile materials |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB509407A true GB509407A (en) | 1939-07-11 |
Family
ID=9712523
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB90438A Expired GB509407A (en) | 1938-01-11 | 1938-01-11 | Improvements in or relating to the dyeing of cellulose or cellulose derivative textile materials |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB509407A (en) |
-
1938
- 1938-01-11 GB GB90438A patent/GB509407A/en not_active Expired
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