RO91055B1 - Procedeu de obtinere a schimbatorilor de anioni slab bazici - Google Patents

Procedeu de obtinere a schimbatorilor de anioni slab bazici

Info

Publication number
RO91055B1
RO91055B1 RO116596A RO11659684A RO91055B1 RO 91055 B1 RO91055 B1 RO 91055B1 RO 116596 A RO116596 A RO 116596A RO 11659684 A RO11659684 A RO 11659684A RO 91055 B1 RO91055 B1 RO 91055B1
Authority
RO
Romania
Prior art keywords
anion exchangers
basic anion
slightly basic
capacity
preparing slightly
Prior art date
Application number
RO116596A
Other languages
English (en)
Other versions
RO91055A2 (ro
Inventor
Ecaterina Stela Dragan
Elena Doina Csergo
Adrian Carpov
Demetra Dragan
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 RO116596A priority Critical patent/RO91055B1/ro
Publication of RO91055A2 publication Critical patent/RO91055A2/ro
Publication of RO91055B1 publication Critical patent/RO91055B1/ro

Links

Landscapes

  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)

Abstract

Inventia de fata se refera la un procedeu de obtinerea schimbatorilor de anioni slab bazici macroporosi cu grupe de amina tertiala obtinuti din copolimeri stiren-divinilbenzen. Ca diluant pentru crearea porozitatii se utilizeaza alcool 2-etil-hexidric. Introducerea gruparilor functionale se realizeaza prin clometilarea cu monoclordimetileter în prezenta clorurii de zinc drept catalizator, urmata de aminarea cu dimetilamina. Schimbatorii de anioni obtinuti, conform procedeului, prezinta capacitatii de schimb utile foarte apropiate de cele totale si o capacitate ridicata de retinere a substantelor organice.
RO116596A 1984-12-10 1984-12-10 Procedeu de obtinere a schimbatorilor de anioni slab bazici RO91055B1 (ro)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RO116596A RO91055B1 (ro) 1984-12-10 1984-12-10 Procedeu de obtinere a schimbatorilor de anioni slab bazici

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RO116596A RO91055B1 (ro) 1984-12-10 1984-12-10 Procedeu de obtinere a schimbatorilor de anioni slab bazici

Publications (2)

Publication Number Publication Date
RO91055A2 RO91055A2 (ro) 1987-02-27
RO91055B1 true RO91055B1 (ro) 1987-02-28

Family

ID=20115991

Family Applications (1)

Application Number Title Priority Date Filing Date
RO116596A RO91055B1 (ro) 1984-12-10 1984-12-10 Procedeu de obtinere a schimbatorilor de anioni slab bazici

Country Status (1)

Country Link
RO (1) RO91055B1 (ro)

Also Published As

Publication number Publication date
RO91055A2 (ro) 1987-02-27

Similar Documents

Publication Publication Date Title
FR2423474A1 (fr) Production d'amines
BE847153A (fr) Procede de preparation d'acide formique pur,
RO91055B1 (ro) Procedeu de obtinere a schimbatorilor de anioni slab bazici
FR2306962A1 (fr) Procede de preparation d'alkyleneglycols
BE864280A (fr) Procede de preparation de m-bromo-alpha,alpha, alpha,-trifluorotoluenes
ES8200321A1 (es) Procedimiento catalitico para la obtencion de olefinas c2-c5.
ES296449A1 (es) Procedimiento de preparación de cicloexilamina
FR2335491A1 (fr) Procede de preparation de polyamines polycycliques par condensation d'amines aromatiques avec le formaldehyde
BE847305A (fr) Procede de preparation de trichloromethyl-trifluormethylbenzenes,
BE888531A (fr) Procede de production d'ethers par reaction d'olefines avec des alcools,
BE826674A (fr) Procede de preparation de 4-amino-2,2,6,6- tetramethyl-piperidine
GB1176337A (en) Producing Amines by Catalytic Hydrogenation over supported Ruthenium Catalyst
IT7925025A0 (it) Procedimento per la produzione di diciclopentilen parentesi quadra aperta 2,2'-bis(4-alchil-6-t-butilfenoli)parentesi quadra chiusa.
JPS528997A (en) Novel cation exchange membrane and process for producing thereof
GB1366662A (en) 6- /3-cyanopropyl/ -tetrahydropyran derivates and a process for the preparation thereof
JPS51114318A (en) Steel for pipe having improved step-crack nasistance
JPS5412314A (en) Preparation of dimethylformamide
ES444379A1 (es) Un procedimiento para preparar 2-(1-ciclohexenil)-ciclohexa-na.
BE791300A (fr) Procede de preparation de la chloro-4 dimethoxy-2,5 aniline
RO95935B1 (ro) Procedeu pentru prepararea 4-butiril-2,3-diclorfenolului
RO93607B1 (ro) Procedeu de obtinere a carboximetilcelulozei sodice
FR2291969A1 (fr) Procede de preparation de la chloro-4 dimethoxy-2,5 aniline
ES436190A1 (es) Un metodo mejorado para producir isopreno.
GB1430695A (en) Process for the preparation of propargylamine
JPS53121886A (en) Preparation of novel cationic starch