RO81675B1 - Procedeu de cuplare a sarii de diazoniu a 3-nitro-p-toluidinei cu beta-naftolul pentru obtinerea pigmentului ecarlat - Google Patents
Procedeu de cuplare a sarii de diazoniu a 3-nitro-p-toluidinei cu beta-naftolul pentru obtinerea pigmentului ecarlatInfo
- Publication number
- RO81675B1 RO81675B1 RO103400A RO10340081A RO81675B1 RO 81675 B1 RO81675 B1 RO 81675B1 RO 103400 A RO103400 A RO 103400A RO 10340081 A RO10340081 A RO 10340081A RO 81675 B1 RO81675 B1 RO 81675B1
- Authority
- RO
- Romania
- Prior art keywords
- naphthol
- beta
- coupling
- ecarlat
- nitro
- Prior art date
Links
- JWAZRIHNYRIHIV-UHFFFAOYSA-N 2-naphthol Chemical compound C1=CC=CC2=CC(O)=CC=C21 JWAZRIHNYRIHIV-UHFFFAOYSA-N 0.000 title abstract 6
- 230000008878 coupling Effects 0.000 title abstract 4
- 238000010168 coupling process Methods 0.000 title abstract 4
- 238000005859 coupling reaction Methods 0.000 title abstract 4
- 229950011260 betanaphthol Drugs 0.000 title abstract 3
- 238000000034 method Methods 0.000 title abstract 2
- 239000000049 pigment Substances 0.000 title abstract 2
- -1 3-nitro-p-toluidine diazonium salt Chemical class 0.000 title 1
- GDIIPKWHAQGCJF-UHFFFAOYSA-N 4-Amino-2-nitrotoluene Chemical compound CC1=CC=C(N)C=C1[N+]([O-])=O GDIIPKWHAQGCJF-UHFFFAOYSA-N 0.000 abstract 1
- 239000012954 diazonium Substances 0.000 abstract 1
- 150000001989 diazonium salts Chemical class 0.000 abstract 1
- 239000012266 salt solution Substances 0.000 abstract 1
- 239000000243 solution Substances 0.000 abstract 1
- 239000002904 solvent Substances 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Inventia se refera la un procedeu de cuplare a sarii de diazoniu a 3-nitro-p-toluidinei de beta-naftolul pentru obtinerea pigmentului Ecarlat, în care în scopul obtinerii unei calitati superioare ca nuanta si valori ale rezistentelor la solventi si agenti chimici se toarna peste un strat continînd apa si 10% din volumul componentei de cuplare, în fir subtire, concomitent restul de solutie de componenta de cuplare si solutia de sare de diamoniu la pH strict de 6,5....7 si la o temperatura de 30....35 degree C în prezenta unui slab exces de beta-naftol.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO103400A RO81675B1 (ro) | 1981-02-13 | 1981-02-13 | Procedeu de cuplare a sarii de diazoniu a 3-nitro-p-toluidinei cu beta-naftolul pentru obtinerea pigmentului ecarlat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO103400A RO81675B1 (ro) | 1981-02-13 | 1981-02-13 | Procedeu de cuplare a sarii de diazoniu a 3-nitro-p-toluidinei cu beta-naftolul pentru obtinerea pigmentului ecarlat |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RO81675A2 RO81675A2 (ro) | 1983-04-29 |
| RO81675B1 true RO81675B1 (ro) | 1983-04-30 |
Family
ID=20109556
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RO103400A RO81675B1 (ro) | 1981-02-13 | 1981-02-13 | Procedeu de cuplare a sarii de diazoniu a 3-nitro-p-toluidinei cu beta-naftolul pentru obtinerea pigmentului ecarlat |
Country Status (1)
| Country | Link |
|---|---|
| RO (1) | RO81675B1 (ro) |
-
1981
- 1981-02-13 RO RO103400A patent/RO81675B1/ro unknown
Also Published As
| Publication number | Publication date |
|---|---|
| RO81675A2 (ro) | 1983-04-29 |
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