RO82691B1 - Procedeu de obtinere a unui cationit pe baza de clorura de fosfonitril - Google Patents

Procedeu de obtinere a unui cationit pe baza de clorura de fosfonitril

Info

Publication number
RO82691B1
RO82691B1 RO104906A RO10490681A RO82691B1 RO 82691 B1 RO82691 B1 RO 82691B1 RO 104906 A RO104906 A RO 104906A RO 10490681 A RO10490681 A RO 10490681A RO 82691 B1 RO82691 B1 RO 82691B1
Authority
RO
Romania
Prior art keywords
cationite
obtaining
phosphonitrile chloride
range
metacresol
Prior art date
Application number
RO104906A
Other languages
English (en)
Other versions
RO82691A2 (ro
Inventor
Ioan Dan Popescu
Tudor Ionescu
Original Assignee
Institutul De Cercetari Textile
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 Textile filed Critical Institutul De Cercetari Textile
Priority to RO81104906A priority Critical patent/RO82691A2/ro
Publication of RO82691B1 publication Critical patent/RO82691B1/ro
Publication of RO82691A2 publication Critical patent/RO82691A2/ro

Links

Abstract

Inventia se refera la un procedeu de obtinere a unui cationit, prin care, în scopul largirii gamei schimbatorilor de ioni cu un cationit cu posibilitati de aplicare pe un domeniu de temperatura cuprins între 25 si 200 degree C, se trateaza clorura de fosfonitril trimera ciclica dizolvata în piridina cu metacrezol în raport în greutate între reactanti de 10,5:1, la temperatura camerei timp de 24h, rezultând un derivat intermediar cu formula generala I: (vezi formula) în care X este 3 sau 4 si care se condenseaza cu un derivat hudroxiaromatic, se sulfoneaza la temperatura de 50 degree C, timp de 24h, iar produsul sulfonat se precipita din apa cu HCl, se filtreaza, se trateaza cu formaldehida la temperatura de 85 degree C, dupa care produsul obtinut se încalzeste la 180...185 degree C, transformându-se într-un cationit de culoare bruna, insolubil.
RO81104906A 1981-07-17 1981-07-17 PROCEDEU DE OBTINERE A UNUI CATIONIT PE BAZA DE CLORURA DE FOSFONѓTRIL RO82691A2 (ro)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RO81104906A RO82691A2 (ro) 1981-07-17 1981-07-17 PROCEDEU DE OBTINERE A UNUI CATIONIT PE BAZA DE CLORURA DE FOSFONѓTRIL

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RO81104906A RO82691A2 (ro) 1981-07-17 1981-07-17 PROCEDEU DE OBTINERE A UNUI CATIONIT PE BAZA DE CLORURA DE FOSFONѓTRIL

Publications (2)

Publication Number Publication Date
RO82691B1 true RO82691B1 (ro) 1983-09-30
RO82691A2 RO82691A2 (ro) 1983-10-15

Family

ID=20110242

Family Applications (1)

Application Number Title Priority Date Filing Date
RO81104906A RO82691A2 (ro) 1981-07-17 1981-07-17 PROCEDEU DE OBTINERE A UNUI CATIONIT PE BAZA DE CLORURA DE FOSFONѓTRIL

Country Status (1)

Country Link
RO (1) RO82691A2 (ro)

Also Published As

Publication number Publication date
RO82691A2 (ro) 1983-10-15

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