RO84836B1 - Procedeu de obtinere a derivatilor sulfonici - Google Patents

Procedeu de obtinere a derivatilor sulfonici

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Publication number
RO84836B1
RO84836B1 RO107677A RO10767782A RO84836B1 RO 84836 B1 RO84836 B1 RO 84836B1 RO 107677 A RO107677 A RO 107677A RO 10767782 A RO10767782 A RO 10767782A RO 84836 B1 RO84836 B1 RO 84836B1
Authority
RO
Romania
Prior art keywords
degree
styrene
sulfonation
liquid product
temperature
Prior art date
Application number
RO107677A
Other languages
English (en)
Other versions
RO84836A2 (ro
Inventor
Gabriela-Nicoleta Moroi
Cornelia Vasile
Aurel Paun
Adriana Carpov
Original Assignee
Institutul De Chimie Macromoleculara "Petru Poni"
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 Chimie Macromoleculara "Petru Poni" filed Critical Institutul De Chimie Macromoleculara "Petru Poni"
Priority to RO107677A priority Critical patent/RO84836B1/ro
Publication of RO84836A2 publication Critical patent/RO84836A2/ro
Publication of RO84836B1 publication Critical patent/RO84836B1/ro

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  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)

Abstract

Prezenta inventie se refera la un procedeu de obtinere a derivatilor sulfonici prin sulfonare cu acid clorsulfonic sau trioxid de sulf a produsului lichid rezultat la piroliza deseurilor de polistiren, copolimeri acrilobutilstirenici, cauciuc stirenic polietilena sau de amestecuri ale acestor polimeri sintetici caracterizat prin aceea ca în scopul îmbunatatirii gradului de puritate a compusilor rezultati în urma sulfonarii utilizati drept agenti tensioactivi se trateaza produsul lichid avand continuturi de 60....70% stiren si dimeri ai stirenului benzen toluen etilbenzen rest cu acid clorsulfonic la temperatura de 0.....10 degree C în mediu de cloroform sau cu trioxid de sulf la temperatura de 40.....50 degree C reactia de sulfonare fiind urmata de diluare cu apa separarea stratului organic de cel apos si purificarea compusilor obtinuti prin extractie selectiva în mod în sine cunoscut.
RO107677A 1982-05-27 1982-05-27 Procedeu de obtinere a derivatilor sulfonici RO84836B1 (ro)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RO107677A RO84836B1 (ro) 1982-05-27 1982-05-27 Procedeu de obtinere a derivatilor sulfonici

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RO107677A RO84836B1 (ro) 1982-05-27 1982-05-27 Procedeu de obtinere a derivatilor sulfonici

Publications (2)

Publication Number Publication Date
RO84836A2 RO84836A2 (ro) 1984-07-17
RO84836B1 true RO84836B1 (ro) 1984-09-30

Family

ID=20111596

Family Applications (1)

Application Number Title Priority Date Filing Date
RO107677A RO84836B1 (ro) 1982-05-27 1982-05-27 Procedeu de obtinere a derivatilor sulfonici

Country Status (1)

Country Link
RO (1) RO84836B1 (ro)

Also Published As

Publication number Publication date
RO84836A2 (ro) 1984-07-17

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