RO91990B1 - Procedeu de obtinere a unui colorant azoic din lignina reziduala - Google Patents
Procedeu de obtinere a unui colorant azoic din lignina rezidualaInfo
- Publication number
- RO91990B1 RO91990B1 RO118217A RO11821785A RO91990B1 RO 91990 B1 RO91990 B1 RO 91990B1 RO 118217 A RO118217 A RO 118217A RO 11821785 A RO11821785 A RO 11821785A RO 91990 B1 RO91990 B1 RO 91990B1
- Authority
- RO
- Romania
- Prior art keywords
- residual lignin
- azo dye
- dye out
- residual
- preparing azo
- Prior art date
Links
- 239000000987 azo dye Substances 0.000 title abstract 2
- 229920005610 lignin Polymers 0.000 title abstract 2
- 238000004519 manufacturing process Methods 0.000 title abstract 2
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 abstract 2
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 abstract 1
- 239000004952 Polyamide Substances 0.000 abstract 1
- 230000002378 acidificating effect Effects 0.000 abstract 1
- 150000004982 aromatic amines Chemical class 0.000 abstract 1
- 229920002678 cellulose Polymers 0.000 abstract 1
- 239000001913 cellulose Substances 0.000 abstract 1
- 239000000975 dye Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 238000010422 painting Methods 0.000 abstract 1
- 229920002647 polyamide Polymers 0.000 abstract 1
- 238000000926 separation method Methods 0.000 abstract 1
- 238000004544 sputter deposition Methods 0.000 abstract 1
- 229910021653 sulphate ion Inorganic materials 0.000 abstract 1
- 239000002699 waste material Substances 0.000 abstract 1
- 210000002268 wool Anatomy 0.000 abstract 1
Landscapes
- Coloring (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Inventia se refera la un procedeu de obtinere a unui colorant azotic din lignina reziduala sulfat, rezultata ca deseu în procesul de fabricare a celulozelor papetare, constand în separarea acida a lignei din solutiile reziduale sulfat aminarea acesteia prin grefare cu etilendiamida diazotarea aminilignei obtinute si cuaplare cu amine aromatice. Se obtin coloranti azoici pentru vopsirea lînii si a poliamidei cu nuante maro, galben, grena si albastru.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO118217A RO91990B1 (ro) | 1985-04-01 | 1985-04-01 | Procedeu de obtinere a unui colorant azoic din lignina reziduala |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO118217A RO91990B1 (ro) | 1985-04-01 | 1985-04-01 | Procedeu de obtinere a unui colorant azoic din lignina reziduala |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RO91990A2 RO91990A2 (ro) | 1987-06-30 |
| RO91990B1 true RO91990B1 (ro) | 1987-07-01 |
Family
ID=20116894
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RO118217A RO91990B1 (ro) | 1985-04-01 | 1985-04-01 | Procedeu de obtinere a unui colorant azoic din lignina reziduala |
Country Status (1)
| Country | Link |
|---|---|
| RO (1) | RO91990B1 (ro) |
-
1985
- 1985-04-01 RO RO118217A patent/RO91990B1/ro unknown
Also Published As
| Publication number | Publication date |
|---|---|
| RO91990A2 (ro) | 1987-06-30 |
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