RO83912B1 - Colorant monoazoic de dispersie modificat si procedeu de obtinere a acestuia - Google Patents

Colorant monoazoic de dispersie modificat si procedeu de obtinere a acestuia

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Publication number
RO83912B1
RO83912B1 RO106227A RO10622781A RO83912B1 RO 83912 B1 RO83912 B1 RO 83912B1 RO 106227 A RO106227 A RO 106227A RO 10622781 A RO10622781 A RO 10622781A RO 83912 B1 RO83912 B1 RO 83912B1
Authority
RO
Romania
Prior art keywords
dye
preparing
same
active agent
surface active
Prior art date
Application number
RO106227A
Other languages
English (en)
Other versions
RO83912A2 (ro
Inventor
Ileana Ghinescu
Valeria Aurelia Dragomir
Serban Saidac
Emilia Cristescu
Valeria Victoria Sandulescu
Original Assignee
Institutul De Cercetari Chimice
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 Institutul De Cercetari Chimice filed Critical Institutul De Cercetari Chimice
Priority to RO106227A priority Critical patent/RO83912B1/ro
Publication of RO83912A2 publication Critical patent/RO83912A2/ro
Publication of RO83912B1 publication Critical patent/RO83912B1/ro

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Abstract

Inventia se refera la un colorant monoazoic de dispersie modificat, cu formula I: (vezi formula) a carui diagrama de difractie cu raza X, radiatia CuK alfa, filtru Ni are linii mari de intensitate la unghiurile teta:10,4; 12,4; 12,4; 12,8; 24,5, care se obtine prin încalzirea formei alfa a colorantului, obtinuta prin sinteza la temperatura de 75...90 degree C, timp de 1...3h, eventual simultan cu macinarea, într-un mediu apos, în prezenta unui agent activ de suprafata anionic, ales dintre lignosulfonat de sodiu si produsul de condensare a unui amestec de sare de sodiu a acidului Schaffer, orto si paracrezol cu formaldehida si, eventual, în prezenta unui agent activ de suprafata neionic, si anume, nonilfenol polietoxilat si a unui solvent, si anume, N-metilpirolidona.
RO106227A 1981-12-31 1981-12-31 Colorant monoazoic de dispersie modificat si procedeu de obtinere a acestuia RO83912B1 (ro)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RO106227A RO83912B1 (ro) 1981-12-31 1981-12-31 Colorant monoazoic de dispersie modificat si procedeu de obtinere a acestuia

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RO106227A RO83912B1 (ro) 1981-12-31 1981-12-31 Colorant monoazoic de dispersie modificat si procedeu de obtinere a acestuia

Publications (2)

Publication Number Publication Date
RO83912A2 RO83912A2 (ro) 1984-04-12
RO83912B1 true RO83912B1 (ro) 1984-05-30

Family

ID=20110894

Family Applications (1)

Application Number Title Priority Date Filing Date
RO106227A RO83912B1 (ro) 1981-12-31 1981-12-31 Colorant monoazoic de dispersie modificat si procedeu de obtinere a acestuia

Country Status (1)

Country Link
RO (1) RO83912B1 (ro)

Also Published As

Publication number Publication date
RO83912A2 (ro) 1984-04-12

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