WO1998011145A1 - Unlösliche, nur wenig quellbare polymerisate mit modifizierten aminogruppen, verfahren zu ihrer herstellung und ihre verwendung - Google Patents
Unlösliche, nur wenig quellbare polymerisate mit modifizierten aminogruppen, verfahren zu ihrer herstellung und ihre verwendung Download PDFInfo
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- WO1998011145A1 WO1998011145A1 PCT/EP1997/004545 EP9704545W WO9811145A1 WO 1998011145 A1 WO1998011145 A1 WO 1998011145A1 EP 9704545 W EP9704545 W EP 9704545W WO 9811145 A1 WO9811145 A1 WO 9811145A1
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- polymers
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- cyanide
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J45/00—Ion-exchange in which a complex or a chelate is formed; Use of material as complex or chelate forming ion-exchangers; Treatment of material for improving the complex or chelate forming ion-exchange properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
- B01J20/26—Synthetic macromolecular compounds
-
- 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
Definitions
- the invention relates to insoluble, only slightly swellable polymers with modified amino groups, processes for the preparation of such polymers and the use of the insoluble, only slightly swellable polymers with modified amino groups as an adsorber resin for metal ions and as an ion exchanger.
- DE-A-23 03 081 discloses the production of water-soluble reaction products from polyethyleneimine with the sodium salt of chloroacetic acid in aqueous solution. This gives water-soluble polyethyleneimines containing iminodiacetic acid groups. The water-soluble polymers are used as complexing agents of metal ions.
- EP-A-0 216 387 describes copolymers of N-vinylformamide with other ethylenically unsaturated monomers.
- the polymerized N-vinylformamide units can be converted into vinylamine units by hydrolysis with acids or bases.
- Polymers containing vinylamine units are also described in EP-A-0 262 577, EP-A-264 649 and EP-A-0 251 182.
- insoluble, only slightly swellable polymers which contain vinylamine units in copolymerized form.
- These polymers are obtained by polymerizing N-vinylcarboxamides and, if appropriate, other monoethylenically unsaturated monomers which can be copolymerized therewith and containing at least two compounds containing at least two ethylenically unsaturated double bonds as crosslinkers, with the exclusion of oxygen and polymerization initiators, to give popcorn polymers and subsequent hydrolysis of the copolymerized N-vinylcarboxamide units Vinylamine units produced by the action of acids, bases or enzymes.
- the popcorn polymers containing amino groups are used as ion exchangers or as adsorber resins for metal ions.
- polymers described above with N-vinylglycine or N-vinylinodisacetic acid units are water-soluble. If they are used as complexing agents for metal ions dissolved in water, complex technology is required to separate the polymeric complexes from the solution.
- the object of the present invention is to provide new substances.
- R i H, Ci- to C 6 alkyl
- R2, R3 H, C x to C 20 alkyl, aryl, aralkyl
- Me H, alkali metal, alkaline earth metal or ammonium equivalent
- the invention also relates to a process for the preparation of insoluble, only slightly swellable polymers with modified amino groups.
- the process is characterized in that insoluble, only slightly swellable polymers, the units of the formula CH 2 CH I ( HD).
- R 1 H or Ci to C 6 alkyl
- Another object of the invention is the use of the insoluble, poorly swellable polymers with modified amino groups as an adsorber resin for metal ions and as an ion exchanger.
- the polymers according to the invention are obtained by a multi-stage process.
- known methods are used to produce popcorn polymers which are insoluble in all solvents and are only slightly swellable in them.
- monomers are polymerized which are assigned to groups (a), (b) and (c) below.
- N-vinylcarboxamides of the formula are used as monomers of group (a) for the preparation of the known popcorn polymers
- R and R 1 H or C ⁇ ⁇ to C 6 alkyl.
- Suitable compounds of the formula IV are, for example, N-vinylformamide, N-vinyl-N-methylformamide, N-vinylacetamide, N-vinyl-N-methylacetamide, N-vinyl-N-ethylformamide, N-vinyl-Nn-propylformamide , N-vinyl-N-isopropylformamide, N-vinyl-N-isobutylformamide, N-vinyl-N-methylpropionamide, N-vinyl-N-butylacetamide and N-vinyl-N-methylpropionamide. From this group of monomers, preference is given to using N-vinylformamide.
- the monomers of group (b), which may optionally be used in the preparation of the popcorn polymers, are other copolymers with the monomers of groups (a) and (c).
- merizable monoethylenically unsaturated monomers include, for example, acrylamide, methacrylamide, acrylic acid, methacrylic acid, acrylic acid ester, methacrylic acid ester and / or vinyl ester.
- the acrylic acid and methacrylic acid esters are preferably derived from saturated monohydric alcohols having 1 to 4 carbon atoms or saturated dihydric alcohols containing 2 to 4 carbon atoms.
- esters are methyl acrylate, methyl methacrylate, ethyl acrylate, ethyl methacrylate, n-propyl acrylate, n-propyl methacrylate, isopropyl methacrylate, isopropyl methacrylate and the esters of acrylic and methacrylic acid, which are derived from the isomeric and butanols Hydroxyethyl acrylate, hydroxyethyl methacrylate, hydroxypropyl acrylate, hydroxypropyl methacrylate, hydroxybutyl acrylate, hydroxyisobutyl acrylate and hydroxyisobutyl methacrylate.
- vinyl esters vinyl formate, vinyl acetate and vinyl propionate are preferred.
- Other suitable monomers of group (b) are acrylonitrile, methacrylonitrile, N-vinylpyrrolidone, N-vinyl-caprolactam, 1-vinylimidazole, 2-methyl-1-vinylimidazole and 4-methyl-1-vinylimidazole.
- the monomers of group (b) can be polymerized alone or as a mixture with one another together with the monomers of groups (a) and (c).
- N-vinylpyrrolidone is particularly suitable for the production of popcorn polymers.
- the monomers of group (b), if they are also used in the production of the popcorn polymers, are present in the monomer mixture from (a) and (b) in an amount of 0.1 to 80% by weight.
- the monomers of group (c) used in the polymerization are compounds which act as crosslinking agents and which contain at least two ethylenically unsaturated non-conjugated double bonds in the molecule.
- Alkylene bisacrylamides such as methylene bisacrylamide and N, N'-acryloylethylene diamine, N, N 'divinylethylene urea, N, N' divinyl propylene urea, ethylidene-bis-3- (N-vinyl pyrrolidone), N, ', for example, are particularly suitable.
- crosslinkers are, for example, alkylene glycol di (meth) acrylates such as ethylene glycol diacrylate, ethylene glycol dimethacrylate, tetrethylene glycol diacrylate, tetraethylene glycol dimethacrylate, diethylene glycol diacrylate, diethylene glycol dimethyl acrylate and aldehyde, aldehyde, allyl diolylolateolate, divinyl allyl glycolate, divinyl allyl glycolate, divinyl allyl glycolate, divinyl allyl glycolate, divinyl allyl glycolate, divinyl allyl glycolate, divinyl allyl glycolate, and divinyl allyl glycolate as well as divinyl allyl glycolate, such as divinyl allyl glycolate, and divinyl allyl glycolate the crosslinker.
- alkylene glycol di (meth) acrylates such as ethylene glycol diacrylate, ethylene glycol dimethacrylate, t
- the popcorn polymerization is carried out according to known methods, e.g. as precipitation polymerization or by bulk polymerization.
- a procedure is preferred in which, as described in EP-B-0 177 812, the popcorn polymerization is started by mixing a mixture of 99.6 to 98.8% by weight of N-vinylpyrrolidone and 0.4 to 1 , 2% by weight of a compound having at least two ethylenically unsaturated double bonds as crosslinking agent is heated to a temperature in the range from 100 to 150 ° C. in the absence of oxygen and polymerization initiators.
- This polymerization is initiated in particular by the presence of small amounts of sodium hydroxide solution or potassium hydroxide solution.
- a polymerizable popcorn polymer is formed which, when other suitable monomer mixtures are added, i.e. the monomers of group (a) and optionally (b) and further addition of the monomers (c) the popcorn polymerization of these monomers starts without an induction period.
- the monomer mixture from (a) and (c) and, if appropriate, (b) is rendered inert by introducing nitrogen and then heated to a temperature in the range from 100 to 200, preferably 150 to 180 ° C. It is advantageous to continue to conduct a weak nitrogen flow through the monomers even during the polymerization. Exclusion of oxygen is also achieved by polymerizing the batch at a pressure which is below atmospheric pressure and at which the monomers are boiled.
- the powdery popcorn polymers have an average particle size of approximately 10 ⁇ m to 5 mm, preferably 10 ⁇ m to 500 ⁇ m.
- the precipitation polymerization is carried out in water at monomer concentrations of 5 to
- the popcorn polymers contain, for example, 20 to 100% by weight of polymerized N-vinylcarboxamides of the formula IV.
- the hydrolysis at least 0.5% of the polymerized N-vinylcarboxamides of the formula IV are hydrolyzed to form amino groups.
- the hydrolysis is carried out to the extent that at least 0.1%, preferably at least 20%, of the N-vinylcarboxamide units present in the popcorn polymers are hydrolyzed.
- suitable hydrolysis agents are acids, bases or enzymes.
- Suitable acids are, for example, mineral acids, such as halogen-hydrogen (gaseous or in aqueous solution), sulfuric acid, nitric acid, phosphoric acid (ortho-, meta- or polyphosphoric acid) or organic acids, for example ci- to C 5 -carboxylic acids such as formic acid, acetic acid or propionic acid or aliphatic and aromatic sulfonic acids, such as methanesulfonic acid, benzenesulfonic acid or toluenesulfonic acid.
- the pH is 0 to 5.
- 0.05 to 1.5 equivalents of acid preferably 0.4 to 1.2 equivalents, are required.
- the popcorn polymers containing amine functions are generally present as salts, the corresponding acid anions or anions of the released carboxylic acids, for example formate, being suitable as counterions.
- bases are especially alkali metal and alkaline earth metal hydroxides, especially sodium hydroxide, alkali metal and alkaline earth metal carbonates, especially sodium carbonate, ammonia and alkyl derivatives of ammonia.
- the salts formed in the neutralization e.g. Sodium sulfate, remain in aqueous solution.
- metal hydroxides of metals of the first and second main group of the periodic table can be used, for example lithium hydroxide, sodium hydroxide, potassium hydroxide, calcium hydroxide, strontium hydroxide and barium hydroxide.
- ammonia or alkyl and aryl derivatives of ammonia for example alkyl or aryl amines such as triethylamine, monoethanolamine, diethanolamine, triethanolamine, morpholine, piperidine, pyrrolidine or aniline, are also suitable.
- the pH of the reaction mixture is, for example, 8 to 14.
- the bases can be used in the solid, liquid or, if appropriate, also gaseous state, diluted or undiluted.
- Ammonia, sodium hydroxide solution or potassium hydroxide solution are preferably used.
- the hydrolysis in the acidic or alkaline pH range takes place at temperatures from 20 to 170 ° C., preferably 50 to 120 ° C. It is complete after about 2 to 8, preferably 3 to 5 hours.
- a procedure in which the acids or bases are added in aqueous solution has proven particularly useful.
- neutralization is generally carried out, so that the pH of the hydrolyzed polymer solution is 2 to 8. is preferably 3 to 7. Neutralization is necessary if the progress of the hydrolysis of partially hydrolyzed polymers is to be avoided or delayed.
- the hydrolysis with the aid of bases has the advantage for further processing that an additional neutralization step is unnecessary.
- the hydrolysis can also be carried out with the aid of enzymes, for example proteases, ureas or amidases.
- enzymes for example proteases, ureas or amidases.
- the water-insoluble, only slightly swellable popcorn polymers containing vinylamine units can be isolated from the aqueous suspension. However, it is also possible to directly follow the subsequent reaction with ⁇ -halocarboxylic acids or cyano-hydrogen or alkali cyanides and aldehydes after the hydrolysis.
- a halogen such as F, CI , Br or J stands.
- Suitable ⁇ -halocarboxylic acids of the formula V are, for example, chloroacetic acid, bromoacetic acid, iodoacetic acid, ⁇ -chloropropionic acid, ⁇ -bromopropionic acid, ⁇ -iodopropionic acid, ⁇ -chlorobutyric acid, et-bromobutyric acid, ⁇ -chloroisobutyric acid, ⁇ -bromocaproic acid, 2-chloro-valeric acid, 2 -Bromo-phenyl acetic acid, 2-chloro-3-phenylpropionic acid, 2-bromo-3-phenylpropionic acid, ⁇ -chloro lauric acid or ⁇ -bromomalmitic acid. Chloroacetic acid is preferably used.
- ⁇ -halocarboxylic acids can be used as such or in the form of their salts.
- Suitable counterions are monovalent or higher-value metal ions, e.g. Alkali or alkaline earth metal ions.
- Ammonium ions or their alkyl derivatives, such as, for example, methyl, dimethyl, trimethyl or tetramethylammonium ions or other alkylammonium ions are also suitable. It is preferable to start with sodium salts.
- 0.05 to 5.0, preferably 0.1 to 2.2, equivalents of ⁇ -halocarboxylic acid or its alkali metal or alkaline earth metal salt are usually required per amine unit in the popcorn polymer.
- the reaction is carried out in suspension, preferably in a medium in which the ⁇ -halocarboxylic acid or its salt is soluble.
- Inert solvents such as water, methanol, ethanol, isopropanol, ethylene glycol, diethylene glycol, acetonitrile, acetone, tetrahydrofuran, dioxane, N-methylpyrrolidone, diethyl ether, cyclohexane, pentane, benzene or toluene and mixtures of the solvents mentioned are most suitable.
- the reaction is preferably carried out in water, methanol, ethanol or a mixture of these solvents.
- the polymer content in the suspension is, for example, 0.1 to SD% by weight, preferably 1 to 20% by weight, so that thorough mixing is ensured during the reaction in order to avoid agglomeration.
- a procedure in which the ⁇ -halocarboxylic acid or its salts are added in solution has proven particularly useful.
- a pH of 7 to 12, preferably 8 to 10 is set.
- the reaction takes place at temperatures from 20 to 180 ° C., preferably 50 to 150 ° C. and very particularly preferably 60 to 110 ° C.
- the reaction is carried out under pressure in an appropriate pressure vessel.
- the reaction time is, for example, 1 to 30, preferably 6 to 20 hours.
- the conversion can be determined, for example, by quantitative analysis of the halide released during the reaction.
- Suitable aldehydes are, for example, formaldehyde, acetaldehyde, propionaldehyde, n-butyraldehyde, pentanal, hexanal, heptanal, octanal, decanal, benzaldehyde and oxoaldehydes such as C 13 / C 15 -OXO-aldehydes or C 9 / C 11 -oxoaldehydes. Mixtures of several aldehydes can also be used.
- Formaldehyde which is usually used in the form of a concentrated aqueous solution, is preferably used.
- Volatile aldehydes such as formaldehyde and acetaldehyde can also be introduced into the reaction mixture in gaseous form.
- alkali metal cyanides examples include sodium cyanide and potassium cyanide, sodium cyanide preferably being used.
- a monium cyanide can also be used.
- the reaction takes place in a medium in which aldehyde and cyanide dissolve to a sufficient extent, such as water, methanol, ethanol, isopropanol, n-propanol, n-butanol, ethylene glycol, diethylene glycol, acetonitrile, acetone, tetrahydrofuran, dioxane or N-methylpyrrolidone or also mixtures of the solvents mentioned.
- the reaction is preferably carried out in water.
- the reaction with hydrogen cyanide is carried out, for example, at pH values of 0 to 10, preferably 2 to 6. On the other hand, if alkali metal cyanides are used, a pH range of 8 to 14, preferably 10 to 12, is recommended.
- the polymer content in the suspension is, for example, 0.1 to 50% by weight, preferably 1 to 20% by weight, so that thorough mixing is ensured during the reaction so that no agglomeration occurs.
- Aldehyde and hydrogen cyanide or alkali metal cyanide are preferably used in equimolar amounts, so that 0.1 to 100% of the amine functions present in the polymer are carboxymethylated.
- the reaction can be carried out either continuously or batchwise.
- aldehyde and hydrogen cyanide or alkali metal cyanide are added to the polymer suspension in aqueous solutions at temperatures of -15 to 100.degree. C., preferably 0 to 70.degree. C., and these are then added at 20 to 180.degree. C. for some time to complete the reaction. preferably 50 to 150 ° C and very particularly preferably 60 to 110 ° C stirred.
- the reagents can be metered in both at once and separately from one another over a period of, for example, 0.5 to 10 hours.
- a procedure in which aldehyde and hydrogen cyanide or alkali metal cyanide are metered in simultaneously in solution is particularly advantageous, the concentration of cyanide in the reaction mixture being set 1 to 50% above the concentration of aldehyde during the addition.
- concentration of cyanide in the reaction mixture being set 1 to 50% above the concentration of aldehyde during the addition.
- hydrogen cyanide or alkali metal cyanide is metered into the polymer at a somewhat higher speed than the aldehyde or alternatively cyanide is metered in at the same rate but before the aldehyde. This suppresses the formation of by-products.
- the reaction with alkali metal cyanides in the alkaline pH range is preferably carried out under reduced pressure in order to remove the ammonia formed during the hydrolysis from the reaction mixture.
- Another preferred embodiment of the method consists in passing an inert gas stream, for example air or nitrogen, through the reaction mixture during the reaction.
- a method of operation in which under simultaneous stripping with an inert gas and under reduced pressure, for example 100 to 900, preferably 500 to 800 mbar.
- hydrogen cyanide is used, a cyanoalkylated product is obtained first, which is then hydrolyzed in a second step with the aid of bases, preferably sodium hydroxide solution.
- the intermediate product can be isolated as well as further processed in the same reaction medium.
- the saponification is preferably carried out under reduced pressure during stripping with inert gas.
- the popcorn polymers according to the invention can be isolated, for example by filtration or centrifugation, followed by washing out the salts containing them with the appropriate suspending agent, preferably with water or alcohol, and drying in customary dryers such as a circulating air or vacuum drying cabinet, paddle dryer or current dryer.
- the appropriate suspending agent preferably with water or alcohol
- drying in customary dryers such as a circulating air or vacuum drying cabinet, paddle dryer or current dryer.
- the polymers are insoluble in water and all known solvents and swell only slightly in them.
- the insoluble, carboxyl group-bearing popcorn polymers are suitable for removing metal ions from solutions.
- the type of solvent is irrelevant.
- the process is preferably based on aqueous solutions of metal ions, for example Mg 2+ , Ca 2+ , Sr 2+ , Ba 2+ , Al 3+ , Ga 3+ , Rb + , Cs + , Cu 2+ , Ag + , Au 3+ , Fe 2 ⁇ Fe + , Ni 2+ , Pd 2+ , Pt 2+ , Co 2+ , Rh 2+ , Ir 2+ , Cr 3+ , Mn 2+ , Mn 3+ , Zn 2+ , Cd + , Hg 2+ , Sn 2+ and Pb 2+ applied.
- metal ions for example Mg 2+ , Ca 2+ , Sr 2+ , Ba 2+ , Al 3+ , Ga 3+ , Rb + , Cs + , Cu 2+ , Ag
- the anions of the metal salts have little influence on the removability of the metal ions from the solutions.
- the amount of popcorn polymer with units of the formulas I and / or II is chosen so that the molar number of carboxyl groups available is at least equivalent to the number of metal ions in the solution. It is preferable to work with a molar excess of carboxyl groups.
- 2 to 100 mol%, preferably more than 50 mol%, of the carboxyl functions of the popcorn polymers should be present in deprotonated form.
- the procedure is to add the popcorn polymer according to the invention with a corresponding amount of carboxyl functions to a metal salt solution.
- the complexing ability of the carboxyl-bearing polymers is determined by quantitative analysis of the metal ions remaining in solution. For example, complexometric titration and atomic absorption spectroscopy or spectral photometry are suitable as analysis methods.
- Example 3
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Abstract
Description
Claims
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP97940103A EP0925313B1 (de) | 1996-09-11 | 1997-08-21 | Unlösliche, nur wenig quellbare polymerisate mit modifizierten aminogruppen, verfahren zu ihrer herstellung und ihre verwendung |
| JP51318898A JP4149001B2 (ja) | 1996-09-11 | 1997-08-21 | 変性アミノ基を有するごく僅かに膨潤可能な不溶解性重合体、その調製方法、およびその使用 |
| DE59701734T DE59701734D1 (de) | 1996-09-11 | 1997-08-21 | Unlösliche, nur wenig quellbare polymerisate mit modifizierten aminogruppen, verfahren zu ihrer herstellung und ihre verwendung |
| US09/147,804 US6133392A (en) | 1996-09-11 | 1997-08-21 | Insoluble polymers which can swell only slightly with modified amino groups, processes for their preparation, and their use |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19636883A DE19636883A1 (de) | 1996-09-11 | 1996-09-11 | Unlösliche, nur wenig quellbare Polymerisate mit modifizierten Aminogruppen, Verfahren zu ihrer Herstellung und ihre Verwendung |
| DE19636883.9 | 1996-09-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO1998011145A1 true WO1998011145A1 (de) | 1998-03-19 |
Family
ID=7805240
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/EP1997/004545 Ceased WO1998011145A1 (de) | 1996-09-11 | 1997-08-21 | Unlösliche, nur wenig quellbare polymerisate mit modifizierten aminogruppen, verfahren zu ihrer herstellung und ihre verwendung |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US6133392A (de) |
| EP (1) | EP0925313B1 (de) |
| JP (1) | JP4149001B2 (de) |
| DE (2) | DE19636883A1 (de) |
| WO (1) | WO1998011145A1 (de) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001021671A1 (en) * | 1999-09-20 | 2001-03-29 | Union Carbide Chemicals & Plastics Technology Corporation | Amphoteric water-soluble poly(amine) derivatives |
| DE10011137A1 (de) * | 2000-03-10 | 2001-09-13 | Basf Ag | Verfahren zur Einstellung der Teilchengröße von Popcornpolymeren während der Popcornpolymerisation |
| DE10108386A1 (de) * | 2001-02-21 | 2002-08-29 | Basf Ag | Teilchenförmige Polymerisate als Filterhilfsmittel |
| GB0525864D0 (en) * | 2005-12-20 | 2006-02-01 | Novartis Ag | Organic compounds |
| US20100029854A1 (en) * | 2006-12-04 | 2010-02-04 | Klemens Mathauer | Thermoplastic polymer-based solid dispersions suitable as filter aids |
| BRPI0814754B1 (pt) * | 2007-08-02 | 2019-02-05 | Hercules Inc | polímeros contendo vinilamina modificada como aditivos na fabricação de papel |
| WO2010088473A1 (en) | 2009-01-30 | 2010-08-05 | Hercules Incorporated | Quaternary vinylamine-containing polymers as additives in papermaking |
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| EP0143328A2 (de) * | 1983-10-25 | 1985-06-05 | Nitto Boseki Co., Ltd. | Kleinkugelförmige vernetzte Mono-Allylamin-Polymere und Verfahren zur Herstellung |
| EP0251182A1 (de) * | 1986-06-25 | 1988-01-07 | Mitsubishi Kasei Corporation | Vinylamin-Copolymer, Flockungsmittel und Papier Verbesserungsmittel und Verfahren zu seiner Herstellung |
| JPS6366205A (ja) * | 1986-09-05 | 1988-03-24 | Mitsubishi Chem Ind Ltd | 水溶性ポリマ−の製造法 |
| JPH01207311A (ja) * | 1988-02-15 | 1989-08-21 | Agency Of Ind Science & Technol | 含フッ素高分子化合物とその製造方法及び高分子薄膜 |
| EP0545383A1 (de) * | 1991-12-05 | 1993-06-09 | Air Products And Chemicals, Inc. | Abscheidung von Feststoffen aus wässrigen Suspensionen unter Verwendung von modifizierten Amin-funktionalisierten Polymeren |
| EP0580078A1 (de) * | 1992-07-22 | 1994-01-26 | Hoechst Aktiengesellschaft | Hydrophile Zentren aufweisende Polyvinylamin-Derivate, Verfahren zu ihrer Herstellung sowie die Verwendung der Verbindungen als Arzneimittel, Wirkstoffträger und Nahrungsmittelhilfsstoff |
| JPH0782320A (ja) * | 1993-09-14 | 1995-03-28 | Showa Denko Kk | 高分子化合物およびその製造方法 |
| DE4413720A1 (de) * | 1994-04-20 | 1995-10-26 | Basf Ag | Farbstoffübertragungsinhibitoren für Waschmittel |
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| US3424790A (en) * | 1966-05-11 | 1969-01-28 | Dow Chemical Co | Process for preparing carboxymethylated polyethylenimine and products produced by the same |
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| FI70230C (fi) * | 1981-07-18 | 1986-09-15 | Basf Ag | Rakkedjiga basiska polymerisat foerfarande foer deras framstaellning och deras anvaendning |
| DE3128478A1 (de) * | 1981-07-18 | 1983-02-03 | Basf Ag, 6700 Ludwigshafen | Verfahren zur herstellung von linearen, basischen polymerisaten |
| DE3534273A1 (de) * | 1985-09-26 | 1987-04-02 | Basf Ag | Verfahren zur herstellung von vinylamin-einheiten enthaltenden wasserloeslichen copolymerisaten und deren verwendung als nass- und trockenverfestigungsmittel fuer papier |
| MX168601B (es) * | 1986-10-01 | 1993-06-01 | Air Prod & Chem | Procedimiento para la preparacion de un homopolimero de vinilamina de alto peso molecular |
| DE3766792D1 (de) * | 1986-10-01 | 1991-01-31 | Air Prod & Chem | Herstellung von poly(n-vinylamiden) mit hohem molekulargewicht und polyvinylamine durch polymerisation in umgekehrter emulsion. |
| DE4237439A1 (de) * | 1992-11-06 | 1994-05-11 | Basf Ag | Unlösliche, nur wenig quellbare Polymerisate mit Aminogruppen, Verfahren zu ihrer Herstellung und ihre Verwendung |
-
1996
- 1996-09-11 DE DE19636883A patent/DE19636883A1/de not_active Withdrawn
-
1997
- 1997-08-21 EP EP97940103A patent/EP0925313B1/de not_active Expired - Lifetime
- 1997-08-21 DE DE59701734T patent/DE59701734D1/de not_active Expired - Lifetime
- 1997-08-21 WO PCT/EP1997/004545 patent/WO1998011145A1/de not_active Ceased
- 1997-08-21 JP JP51318898A patent/JP4149001B2/ja not_active Expired - Fee Related
- 1997-08-21 US US09/147,804 patent/US6133392A/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0143328A2 (de) * | 1983-10-25 | 1985-06-05 | Nitto Boseki Co., Ltd. | Kleinkugelförmige vernetzte Mono-Allylamin-Polymere und Verfahren zur Herstellung |
| EP0251182A1 (de) * | 1986-06-25 | 1988-01-07 | Mitsubishi Kasei Corporation | Vinylamin-Copolymer, Flockungsmittel und Papier Verbesserungsmittel und Verfahren zu seiner Herstellung |
| JPS6366205A (ja) * | 1986-09-05 | 1988-03-24 | Mitsubishi Chem Ind Ltd | 水溶性ポリマ−の製造法 |
| JPH01207311A (ja) * | 1988-02-15 | 1989-08-21 | Agency Of Ind Science & Technol | 含フッ素高分子化合物とその製造方法及び高分子薄膜 |
| EP0545383A1 (de) * | 1991-12-05 | 1993-06-09 | Air Products And Chemicals, Inc. | Abscheidung von Feststoffen aus wässrigen Suspensionen unter Verwendung von modifizierten Amin-funktionalisierten Polymeren |
| EP0580078A1 (de) * | 1992-07-22 | 1994-01-26 | Hoechst Aktiengesellschaft | Hydrophile Zentren aufweisende Polyvinylamin-Derivate, Verfahren zu ihrer Herstellung sowie die Verwendung der Verbindungen als Arzneimittel, Wirkstoffträger und Nahrungsmittelhilfsstoff |
| JPH0782320A (ja) * | 1993-09-14 | 1995-03-28 | Showa Denko Kk | 高分子化合物およびその製造方法 |
| DE4413720A1 (de) * | 1994-04-20 | 1995-10-26 | Basf Ag | Farbstoffübertragungsinhibitoren für Waschmittel |
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| CHEMICAL ABSTRACTS, vol. 109, no. 16, October 1988, Columbus, Ohio, US; abstract no. 129904w, page 15; XP000059076 * |
| PATENT ABSTRACTS OF JAPAN vol. 013, no. 515 (C - 655) 17 November 1989 (1989-11-17) * |
| PATENT ABSTRACTS OF JAPAN vol. 095, no. 006 31 July 1995 (1995-07-31) * |
Also Published As
| Publication number | Publication date |
|---|---|
| EP0925313B1 (de) | 2000-05-17 |
| DE59701734D1 (de) | 2000-06-21 |
| JP4149001B2 (ja) | 2008-09-10 |
| EP0925313A1 (de) | 1999-06-30 |
| JP2001500181A (ja) | 2001-01-09 |
| US6133392A (en) | 2000-10-17 |
| DE19636883A1 (de) | 1998-03-12 |
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