DE1070382B - Process for the production of exchanger polymers - Google Patents
Process for the production of exchanger polymersInfo
- Publication number
- DE1070382B DE1070382B DENDAT1070382D DE1070382DA DE1070382B DE 1070382 B DE1070382 B DE 1070382B DE NDAT1070382 D DENDAT1070382 D DE NDAT1070382D DE 1070382D A DE1070382D A DE 1070382DA DE 1070382 B DE1070382 B DE 1070382B
- Authority
- DE
- Germany
- Prior art keywords
- weight
- parts
- hours
- saponification
- resin
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
Links
- 229920000642 polymer Polymers 0.000 title claims description 5
- 238000004519 manufacturing process Methods 0.000 title claims description 3
- 238000000034 method Methods 0.000 title claims description 3
- 229920005989 resin Polymers 0.000 claims description 14
- 239000011347 resin Substances 0.000 claims description 14
- HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 14
- 238000007127 saponification reaction Methods 0.000 claims description 11
- MYRTYDVEIRVNKP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene Chemical compound C=CC1=CC=CC=C1C=C MYRTYDVEIRVNKP-UHFFFAOYSA-N 0.000 claims description 8
- 238000005956 quaternization reaction Methods 0.000 claims description 7
- KGIGUEBEKRSTEW-UHFFFAOYSA-N 2-Vinylpyridine Chemical compound C=CC1=CC=CC=N1 KGIGUEBEKRSTEW-UHFFFAOYSA-N 0.000 claims description 5
- NLHHRLWOUZZQLW-UHFFFAOYSA-N acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 claims description 5
- 239000002253 acid Substances 0.000 claims description 4
- 238000006116 polymerization reaction Methods 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- WEERVPDNCOGWJF-UHFFFAOYSA-N 1,4-bis(ethenyl)benzene Chemical compound C=CC1=CC=C(C=C)C=C1 WEERVPDNCOGWJF-UHFFFAOYSA-N 0.000 claims description 3
- 239000004971 Cross linker Substances 0.000 claims description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid Chemical compound OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 3
- 229920003002 synthetic resin Polymers 0.000 claims description 3
- 239000000057 synthetic resin Substances 0.000 claims description 3
- 229920001897 terpolymer Polymers 0.000 claims description 3
- KFDVPJUYSDEJTH-UHFFFAOYSA-N 4-ethenylpyridine Chemical compound C=CC1=CC=NC=C1 KFDVPJUYSDEJTH-UHFFFAOYSA-N 0.000 claims description 2
- 239000003054 catalyst Substances 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims 5
- 239000004833 fish glue Substances 0.000 claims 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims 4
- 238000003756 stirring Methods 0.000 claims 4
- JIGUQPWFLRLWPJ-UHFFFAOYSA-N Ethyl acrylate Chemical compound CCOC(=O)C=C JIGUQPWFLRLWPJ-UHFFFAOYSA-N 0.000 claims 2
- 108010010803 Gelatin Proteins 0.000 claims 2
- INQOMBQAUSQDDS-UHFFFAOYSA-N Methyl iodide Chemical compound IC INQOMBQAUSQDDS-UHFFFAOYSA-N 0.000 claims 2
- 238000006243 chemical reaction Methods 0.000 claims 2
- 229920001577 copolymer Polymers 0.000 claims 2
- 238000001035 drying Methods 0.000 claims 2
- 229920000159 gelatin Polymers 0.000 claims 2
- 239000008273 gelatin Substances 0.000 claims 2
- 235000019322 gelatine Nutrition 0.000 claims 2
- 235000011852 gelatine desserts Nutrition 0.000 claims 2
- 239000000178 monomer Substances 0.000 claims 2
- 238000010992 reflux Methods 0.000 claims 2
- 238000005406 washing Methods 0.000 claims 2
- QFFVPLLCYGOFPU-UHFFFAOYSA-N Barium chromate Chemical compound [Ba+2].[O-][Cr]([O-])(=O)=O QFFVPLLCYGOFPU-UHFFFAOYSA-N 0.000 claims 1
- HVTICUPFWKNHNG-UHFFFAOYSA-N Ethyl iodide Chemical compound CCI HVTICUPFWKNHNG-UHFFFAOYSA-N 0.000 claims 1
- CLWRFNUKIFTVHQ-UHFFFAOYSA-N [N].C1=CC=NC=C1 Chemical compound [N].C1=CC=NC=C1 CLWRFNUKIFTVHQ-UHFFFAOYSA-N 0.000 claims 1
- 239000011324 bead Substances 0.000 claims 1
- 238000001816 cooling Methods 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 claims 1
- 239000007788 liquid Substances 0.000 claims 1
- 230000001264 neutralization Effects 0.000 claims 1
- 150000002894 organic compounds Chemical class 0.000 claims 1
- 239000000725 suspension Substances 0.000 claims 1
- FAPWRFPIFSIZLT-UHFFFAOYSA-M sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- ZOUQIAGHKFLHIA-UHFFFAOYSA-L copper;N,N-dimethylcarbamodithioate Chemical compound [Cu+2].CN(C)C([S-])=S.CN(C)C([S-])=S ZOUQIAGHKFLHIA-UHFFFAOYSA-L 0.000 description 3
- 235000011121 sodium hydroxide Nutrition 0.000 description 3
- 230000002378 acidificating Effects 0.000 description 2
- -1 divinylbenzene Chemical class 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- OZAIFHULBGXAKX-UHFFFAOYSA-N 2,2'-azo-bis-isobutyronitrile Substances N#CC(C)(C)N=NC(C)(C)C#N OZAIFHULBGXAKX-UHFFFAOYSA-N 0.000 description 1
- VJOWMORERYNYON-UHFFFAOYSA-N 5-ethenyl-2-methylpyridine Chemical compound CC1=CC=C(C=C)C=N1 VJOWMORERYNYON-UHFFFAOYSA-N 0.000 description 1
- 241000206672 Gelidium Species 0.000 description 1
- 210000000614 Ribs Anatomy 0.000 description 1
- UIERETOOQGIECD-ONEGZZNKSA-N Tiglic acid Chemical compound C\C=C(/C)C(O)=O UIERETOOQGIECD-ONEGZZNKSA-N 0.000 description 1
- 206010047289 Ventricular extrasystoles Diseases 0.000 description 1
- 125000005396 acrylic acid ester group Chemical group 0.000 description 1
- 150000007824 aliphatic compounds Chemical class 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000004042 decolorization Methods 0.000 description 1
- 238000010612 desalination reaction Methods 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 125000004185 ester group Chemical group 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- XHIOOWRNEXFQFM-UHFFFAOYSA-N ethyl prop-2-enoate;prop-2-enoic acid Chemical compound OC(=O)C=C.CCOC(=O)C=C XHIOOWRNEXFQFM-UHFFFAOYSA-N 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- WSFSSNUMVMOOMR-UHFFFAOYSA-N formaldehyde Substances O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 1
- PEDCQBHIVMGVHV-UHFFFAOYSA-N glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 1
- 235000011187 glycerol Nutrition 0.000 description 1
- 125000000623 heterocyclic group Chemical group 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 108010059642 isinglass Proteins 0.000 description 1
- MYSWGNHLJGOCPT-UHFFFAOYSA-N methyl prop-2-enoate;prop-2-enoic acid Chemical compound OC(=O)C=C.COC(=O)C=C MYSWGNHLJGOCPT-UHFFFAOYSA-N 0.000 description 1
- 235000013379 molasses Nutrition 0.000 description 1
- 125000000896 monocarboxylic acid group Chemical group 0.000 description 1
- 229910052627 muscovite Inorganic materials 0.000 description 1
- PMZURENOXWZQFD-UHFFFAOYSA-L na2so4 Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 1
- 150000002825 nitriles Chemical class 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000001935 peptisation Methods 0.000 description 1
- 229920002239 polyacrylonitrile Polymers 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 230000000717 retained Effects 0.000 description 1
- 239000012266 salt solution Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 235000011152 sodium sulphate Nutrition 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 238000010557 suspension polymerization reaction Methods 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F20/00—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride, ester, amide, imide or nitrile thereof
- C08F20/02—Monocarboxylic acids having less than ten carbon atoms, Derivatives thereof
- C08F20/08—Anhydrides
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F20/00—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride, ester, amide, imide or nitrile thereof
- C08F20/62—Monocarboxylic acids having ten or more carbon atoms; Derivatives thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F8/00—Chemical modification by after-treatment
- C08F8/12—Hydrolysis
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F8/00—Chemical modification by after-treatment
- C08F8/44—Preparation of metal salts or ammonium salts
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F212/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring
- C08F212/34—Monomers containing two or more unsaturated aliphatic radicals
- C08F212/36—Divinylbenzene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/12—Esters of monohydric alcohols or phenols
- C08F220/16—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms
- C08F220/18—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids
- C08F220/1802—C2-(meth)acrylate, e.g. ethyl (meth)acrylate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/42—Nitriles
- C08F220/44—Acrylonitrile
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F226/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a single or double bond to nitrogen or by a heterocyclic ring containing nitrogen
- C08F226/06—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a single or double bond to nitrogen or by a heterocyclic ring containing nitrogen by a heterocyclic ring containing nitrogen
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2810/00—Chemical modification of a polymer
- C08F2810/20—Chemical modification of a polymer leading to a crosslinking, either explicitly or inherently
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2810/00—Chemical modification of a polymer
- C08F2810/50—Chemical modification of a polymer wherein the polymer is a copolymer and the modification is taking place only on one or more of the monomers present in minority
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Description
DEUTSCHESGERMAN
Es ist bekannt, Vinylpyridine mit Acrylnitril oder Acrylsäure bzw. Acrylsäureester zu copolymerisieren. Die dabei erhaltenen gut anfärbbaren Polyacrylnitrilfasern sind jedoch nicht vernetzt und können daher nicht zum Austausch von Ionen verwendet werden.It is known to copolymerize vinyl pyridines with acrylonitrile or acrylic acid or acrylic acid ester. The easily dyeable polyacrylonitrile fibers obtained in this way are, however, not crosslinked and can therefore cannot be used to exchange ions.
Weiterhin ist es bekannt, daß man durch Polymerisation von heterocyclischen Stickstoffbasen mit mehrere polymerisierbare Doppelbindungen enthaltenden aro' matischen Verbindungen, wie Divinylbenzol, und anschließende Quatemierung Kunstharze mit anionenaktivem Charakter erhält. Diese Austauscher sind zwar in der Lage, Kieselsäure, zu binden, sie eignen sich jedoch nicht gut für Zwecke der Allgemeinadsorption, weil der polare Charakter der Ankergnippen zu sehr ausgeprägt ist. . . .It is also known that one can by polymerization of heterocyclic nitrogen bases with aro 'containing several polymerizable double bonds matic compounds, such as divinylbenzene, and subsequent Quaternization synthetic resins with anion-active character are retained. These exchangers are true able to bind silica, but they are suitable not good for general adsorption purposes because the polar character of the anchor ribs is too pronounced is. . . .
Die Aufgabe der Erfindung bestand aus diesem Grunde nunmehr darin, Harze zu finden, welche amphoter Eigenschaften, d. h. also gleichzeitig saure untTDasiscrle Gruppen, aufweisen, um sie für besondere Zwecke der Allgemeinadsorption verwenden zu können.For this reason, the object of the invention was to find resins which were amphoteric Properties, d. H. So at the same time acidic and basic crystals Groups, in order to be able to use them for special purposes of general adsorption.
Dies wird erfindungsgemäß erreicht, wenn man ein C-Vinylpyridin oder eines seiner Derivate mit monofunktionellen aliphatischen Vinylverbindungen wie Acrylnitril oder Acrylsäure und p-Divinylbenzol oder einem seiner Derivate als Vernetzer copolymerisiert und die erhaltenen Kunstharze einer Quatemierung und gegebenenfalls Verseifung in bekannter Weise unterwirft. Als Vinylpyridin kommt beispielsweise 2-Vinylpyridin, 4-Vinylpyridin oder 2-Methyl-5-vinylpyridin in Betracht. Man kann auch a-Vinylchinolin verwenden. Vernetzer sind neben Divinylbenzol auch -toluole, -xylole und deren Substitutionsprodukte, und monofunktionelle aliphatische Verbindungen sind beispielsweise noch Acrylsäureäthylester, Acrylsäuremethylcster und Methacrylsäure. Bei Verwendung von Nitrilen oder Estern ist eine Verseifung zur freien Carboxylgruppe notwendig.This is achieved according to the invention if a C-vinylpyridine or one of its derivatives with monofunctional aliphatic vinyl compounds such as acrylonitrile or acrylic acid and p-divinylbenzene or a its derivatives copolymerized as a crosslinker and the synthetic resins obtained a quaternization and optionally Subjected to saponification in a known manner. Examples of vinyl pyridine are 2-vinyl pyridine, 4-vinyl pyridine or 2-methyl-5-vinylpyridine into consideration. A-vinylquinoline can also be used. Crosslinker In addition to divinylbenzene, there are also -toluenes, -xylenes and their substitution products, and monofunctional aliphatic Compounds are, for example, ethyl acrylate, methyl acrylate and methacrylic acid. When using nitriles or esters, saponification to the free carboxyl group is necessary.
CNCN
2 H„O2 H "O
COOHCOOH
j / CH 2 , ' N
y /
XX
OHOH
CH,CH,
Die Reihenfolge der beiden Vorgänge, Verseifung und
Quatemierung, ist gleichgültig. Man kann sowohl erst verseifen und dann quaternieren als auch erst nach der
Quaterniening verseifen. Für die Verseifung der NitriU
Verfahren zur Herstellung
von AustauscherpolymerisatenThe order of the two processes, saponification and quaternization, is immaterial. You can first saponify and then quaternize, and also only saponify after quaternizing. For the saponification of the NitriU manufacturing process
of exchange polymers
Anmelder:Applicant:
VEB Farbenfabrik Wolfen,
Wolfen (Kr. Bitterfeld)VEB paint factory Wolfen,
Wolfen (district of Bitterfeld)
Dr. Manfred Morgner, Wolfen (Kr. Bitterfeld),
ist als Erfinder genannt wordenDr. Manfred Morgner, Wolfen (district of Bitterfeld),
has been named as the inventor
bzw. Estergruppen hat sich eine 22- bis 300Z0IgC Natronlauge als zweckmäßig erwiesen. Diese ist im Hinblick auf die Harzausbeute und Qualität des Austauschers allen anderen Verseifungsmitteln vorzuziehen. Die erfindungsgemäß durch Suspensionspolymerisation erhaltenen raumvernetzten amphotcren Harze eignen sich besonders gut für die Allgemcinadsorption, z. B. von Farbstoffen oder zur Entfärbung von Melasselösungen. Weitere Verwendungszwecke sind die Trennung von Natriumsulfat und -chlorid oder die Trennung von NaCl und Glyzerin. Hierbei braucht die Regenerierung weder mit SäurQ noch mit Lauge vorgenommer} zu werden, es erfolgt lediglich eine Auswaschung mit Wasser. Die Entsalzung von Zuckerlösungen und Bunalatex ist mit den erfiit. dungsgemäßen Harzen ebenfalls möglich. Da in diesen amphoteren Austauschern gleichzeitig saure und basische Gruppen vorhanden sind, ist eine pn-Regelung sehr leicht möglich. Die Terpolymerisate, welche in Kugelform von 0,3 bis 1,5 mm Durchmesser anfallen, zeichnen sich gegenüber Kondensationsharzen, beispielsweise auf Basis m-Phenylendiamin-Formaldehyd, durch erhöhte Beständigkeit und dichtere Packung im Filterrohr aus. Ebenfalls wird bei den Polymerisationsharzen die Neigung der Peptisation, besonders in heißen wäßrigen Lösungen oder Heißdampf, völlig zurückgedrängt. Auf Grund der komplexbildenden Eigenschaften der quaternierten unverseiften Terpolymerisate auf Basis Acrylnitril-p-Divinylbenzol-vinylpyridin, können diese Harze auch zur Entfernung von Metallspuren aus Metallsalzlösungen benutzt werden.or ester groups, a 22 to 30 0 Z 0 IgC sodium hydroxide solution has proven to be expedient. With regard to the resin yield and quality of the exchanger, this is preferable to all other saponification agents. The space-crosslinked amphoteric resins obtained according to the invention by suspension polymerization are particularly suitable for general adsorption, e.g. B. of dyes or for decolorization of molasses solutions. Other uses are the separation of sodium sulfate and chloride or the separation of NaCl and glycerine. In this case, the regeneration does not need to be carried out with either acid or lye, it is simply washed out with water. The desalination of sugar solutions and bunalatex is with the result. resins according to the invention are also possible. Since acidic and basic groups are present at the same time in these amphoteric exchangers, pn control is very easy. The terpolymers, which are obtained in spherical form with a diameter of 0.3 to 1.5 mm, are distinguished from condensation resins, for example based on m-phenylenediamine-formaldehyde, by increased resistance and closer packing in the filter tube. In the case of polymerization resins, the tendency towards peptization, especially in hot aqueous solutions or superheated steam, is also completely suppressed. Due to the complex-forming properties of the quaternized unsaponified terpolymers based on acrylonitrile-p-divinylbenzene-vinylpyridine, these resins can also be used to remove traces of metal from metal salt solutions.
Ein Moiioinorengemisch von 22 Gewichtsteilen 2-Vinylpyridin (910Z0Ig), 25 Gewichtsteilen Acrylnitril, 7,9 Gewichtsteilen p-Divinylbcnzol (630/„ig) und 0,25 Gewichtsteilen a-Azodiisobuttersäuredinitril als Katalysator wird tropfenweise unter Rühren einer 3°/oigen Fischleimlösung zugesetzt. Der zeitliche Temperaturverlauf derA Moiioinorengemisch of 22 parts by weight of 2-vinylpyridine (91 0 Z 0 Ig), 25 parts by weight of acrylonitrile, 7.9 parts by weight of p-Divinylbcnzol (63 0 / "strength) and 0.25 parts by weight of a-azobisisobutyronitrile as a catalyst is added dropwise to a stirred 3 % Isinglass solution added. The temporal temperature profile of the
909 617/440 909 617/440
Claims (1)
USA.-Patentschrift Nr. 2 471 959;
deutsche Patentanmeldung F 9504 IVb / 39c (bekanntgemacht am 8. 6.1955).Considered publications:
U.S. Patent No. 2,471,959;
German patent application F 9504 IVb / 39c (published on June 8, 1955).
Publications (1)
Publication Number | Publication Date |
---|---|
DE1070382B true DE1070382B (en) | 1959-12-03 |
Family
ID=595282
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DENDAT1070382D Pending DE1070382B (en) | Process for the production of exchanger polymers |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE1070382B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1233143B (en) * | 1961-03-01 | 1967-01-26 | Sashichiro Nakanishi Fa | Process for the production of sulfonated copolymers |
-
0
- DE DENDAT1070382D patent/DE1070382B/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1233143B (en) * | 1961-03-01 | 1967-01-26 | Sashichiro Nakanishi Fa | Process for the production of sulfonated copolymers |
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