RO99852B1 - Coloranti disazoici cromatabili si procedeu de obtinere a acestora - Google Patents

Coloranti disazoici cromatabili si procedeu de obtinere a acestora

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Publication number
RO99852B1
RO99852B1 RO130632A RO13063287A RO99852B1 RO 99852 B1 RO99852 B1 RO 99852B1 RO 130632 A RO130632 A RO 130632A RO 13063287 A RO13063287 A RO 13063287A RO 99852 B1 RO99852 B1 RO 99852B1
Authority
RO
Romania
Prior art keywords
amino
acid
sulfonic acid
naphthol
naphthalene
Prior art date
Application number
RO130632A
Other languages
English (en)
Inventor
Nicolae Rasanu
Anca Dumbrava
Constantin Albu
Cornelia Maraloi
Original Assignee
Nicolae Rasanu
Anca Dumbrava
Constantin Albu
Cornelia Maraloi
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nicolae Rasanu, Anca Dumbrava, Constantin Albu, Cornelia Maraloi filed Critical Nicolae Rasanu
Priority to RO130632A priority Critical patent/RO99852B1/ro
Publication of RO99852B1 publication Critical patent/RO99852B1/ro

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Abstract

Inventia s erefera la coloranti disazoici cromatabili acizi primari de tipul A1-Z-A2 pentru lîna cu rezistenete bune la detergenti cu formula generala I în care R reprezinta un radical de acid 1-amino-naftalin-4-sulfonic, 2-amino-8-hidroxi-6-naftalin-sulfonic, 2-amino-5-hidroxi-7-naftalin-sulfonic sau 1-amino-8-naftol-3,6-disulfonic, si la un proecdeu de obtinere a acestora prin aceea ca se diazoteaza acizii 1-naftilamino-4-sulfonic, 2-amino-8-naftol-6-sulfonic, 2-amino-5-naftol-7-sulfonic sau 1-amino-8-naftol-3,6 disulfonic cu azotit de sodiu si acid sulfuric sau acid clorhidric la temperatura de 0...5 degree C si se culpleaza la aceeasi temperatura cu bisfenolul A la un pH slab alcalin.
RO130632A 1987-11-27 1987-11-27 Coloranti disazoici cromatabili si procedeu de obtinere a acestora RO99852B1 (ro)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RO130632A RO99852B1 (ro) 1987-11-27 1987-11-27 Coloranti disazoici cromatabili si procedeu de obtinere a acestora

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RO130632A RO99852B1 (ro) 1987-11-27 1987-11-27 Coloranti disazoici cromatabili si procedeu de obtinere a acestora

Publications (1)

Publication Number Publication Date
RO99852B1 true RO99852B1 (ro) 1990-09-28

Family

ID=40907906

Family Applications (1)

Application Number Title Priority Date Filing Date
RO130632A RO99852B1 (ro) 1987-11-27 1987-11-27 Coloranti disazoici cromatabili si procedeu de obtinere a acestora

Country Status (1)

Country Link
RO (1) RO99852B1 (ro)

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