IE48596B1 - Process for stabilizing spinning solutions - Google Patents
Process for stabilizing spinning solutionsInfo
- Publication number
- IE48596B1 IE48596B1 IE1381/79A IE138179A IE48596B1 IE 48596 B1 IE48596 B1 IE 48596B1 IE 1381/79 A IE1381/79 A IE 1381/79A IE 138179 A IE138179 A IE 138179A IE 48596 B1 IE48596 B1 IE 48596B1
- Authority
- IE
- Ireland
- Prior art keywords
- acid
- spinning
- solution
- polymer
- solutions
- Prior art date
Links
- 238000009987 spinning Methods 0.000 title claims abstract description 43
- 238000000034 method Methods 0.000 title claims abstract description 13
- 230000008569 process Effects 0.000 title claims abstract description 13
- 230000000087 stabilizing effect Effects 0.000 title claims description 7
- 229920000642 polymer Polymers 0.000 claims abstract description 37
- 229920002239 polyacrylonitrile Polymers 0.000 claims abstract description 14
- ZJAOAACCNHFJAH-UHFFFAOYSA-N phosphonoformic acid Chemical compound OC(=O)P(O)(O)=O ZJAOAACCNHFJAH-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000003381 stabilizer Substances 0.000 claims abstract description 9
- ABLZXFCXXLZCGV-UHFFFAOYSA-N Phosphorous acid Chemical compound OP(O)=O ABLZXFCXXLZCGV-UHFFFAOYSA-N 0.000 claims abstract description 7
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims abstract description 4
- 229960005102 foscarnet Drugs 0.000 claims abstract description 4
- 239000002904 solvent Substances 0.000 claims abstract description 4
- 150000003839 salts Chemical class 0.000 claims description 40
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims description 30
- 239000002253 acid Substances 0.000 claims description 19
- 238000002425 crystallisation Methods 0.000 claims description 5
- 230000008025 crystallization Effects 0.000 claims description 5
- 239000003960 organic solvent Substances 0.000 claims description 5
- 229920001444 polymaleic acid Polymers 0.000 claims description 3
- 229920002125 Sokalan® Polymers 0.000 claims description 2
- 239000004584 polyacrylic acid Substances 0.000 claims description 2
- 230000006641 stabilisation Effects 0.000 abstract description 2
- 238000011105 stabilization Methods 0.000 abstract description 2
- 239000000243 solution Substances 0.000 description 52
- 239000013078 crystal Substances 0.000 description 13
- 239000002245 particle Substances 0.000 description 13
- 239000000654 additive Substances 0.000 description 8
- 238000001556 precipitation Methods 0.000 description 8
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 6
- 229920001577 copolymer Polymers 0.000 description 6
- 238000002360 preparation method Methods 0.000 description 5
- WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 description 4
- BAPJBEWLBFYGME-UHFFFAOYSA-N Methyl acrylate Chemical compound COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 description 4
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 4
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 4
- 230000000996 additive effect Effects 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- -1 nitric acid Chemical class 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 238000005496 tempering Methods 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 3
- 150000007513 acids Chemical class 0.000 description 3
- JXLHNMVSKXFWAO-UHFFFAOYSA-N azane;7-fluoro-2,1,3-benzoxadiazole-4-sulfonic acid Chemical class N.OS(=O)(=O)C1=CC=C(F)C2=NON=C12 JXLHNMVSKXFWAO-UHFFFAOYSA-N 0.000 description 3
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 239000002244 precipitate Substances 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 2
- 239000005569 Iron sulphate Substances 0.000 description 2
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 description 2
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 2
- DWAQJAXMDSEUJJ-UHFFFAOYSA-M Sodium bisulfite Chemical compound [Na+].OS([O-])=O DWAQJAXMDSEUJJ-UHFFFAOYSA-M 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 229940113088 dimethylacetamide Drugs 0.000 description 2
- 238000000578 dry spinning Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 229920001519 homopolymer Polymers 0.000 description 2
- 230000000977 initiatory effect Effects 0.000 description 2
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 description 2
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 2
- 239000011976 maleic acid Substances 0.000 description 2
- 125000005394 methallyl group Chemical group 0.000 description 2
- 150000007522 mineralic acids Chemical class 0.000 description 2
- 150000007524 organic acids Chemical class 0.000 description 2
- 235000005985 organic acids Nutrition 0.000 description 2
- 150000003009 phosphonic acids Chemical class 0.000 description 2
- 229910052700 potassium Inorganic materials 0.000 description 2
- 239000011591 potassium Substances 0.000 description 2
- OTYBMLCTZGSZBG-UHFFFAOYSA-L potassium sulfate Chemical compound [K+].[K+].[O-]S([O-])(=O)=O OTYBMLCTZGSZBG-UHFFFAOYSA-L 0.000 description 2
- 229910052939 potassium sulfate Inorganic materials 0.000 description 2
- 239000001120 potassium sulphate Substances 0.000 description 2
- 235000011151 potassium sulphates Nutrition 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 239000004289 sodium hydrogen sulphite Substances 0.000 description 2
- 235000010267 sodium hydrogen sulphite Nutrition 0.000 description 2
- 229910052938 sodium sulfate Inorganic materials 0.000 description 2
- 235000011152 sodium sulphate Nutrition 0.000 description 2
- 239000001117 sulphuric acid Substances 0.000 description 2
- 235000011149 sulphuric acid Nutrition 0.000 description 2
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 2
- OEPOKWHJYJXUGD-UHFFFAOYSA-N 2-(3-phenylmethoxyphenyl)-1,3-thiazole-4-carbaldehyde Chemical compound O=CC1=CSC(C=2C=C(OCC=3C=CC=CC=3)C=CC=2)=N1 OEPOKWHJYJXUGD-UHFFFAOYSA-N 0.000 description 1
- AGBXYHCHUYARJY-UHFFFAOYSA-N 2-phenylethenesulfonic acid Chemical compound OS(=O)(=O)C=CC1=CC=CC=C1 AGBXYHCHUYARJY-UHFFFAOYSA-N 0.000 description 1
- 125000003903 2-propenyl group Chemical group [H]C([*])([H])C([H])=C([H])[H] 0.000 description 1
- DBVJJBKOTRCVKF-UHFFFAOYSA-N Etidronic acid Chemical compound OP(=O)(O)C(O)(C)P(O)(O)=O DBVJJBKOTRCVKF-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 1
- AFVFQIVMOAPDHO-UHFFFAOYSA-N Methanesulfonic acid Chemical compound CS(O)(=O)=O AFVFQIVMOAPDHO-UHFFFAOYSA-N 0.000 description 1
- QLZHNIAADXEJJP-UHFFFAOYSA-N Phenylphosphonic acid Chemical compound OP(O)(=O)C1=CC=CC=C1 QLZHNIAADXEJJP-UHFFFAOYSA-N 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 1
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 1
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 150000008065 acid anhydrides Chemical class 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 229910001413 alkali metal ion Inorganic materials 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 238000004380 ashing Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 150000001244 carboxylic acid anhydrides Chemical class 0.000 description 1
- 150000001735 carboxylic acids Chemical class 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000011362 coarse particle Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 150000002484 inorganic compounds Chemical class 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 125000003010 ionic group Chemical group 0.000 description 1
- 238000009533 lab test Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 125000005397 methacrylic acid ester group Chemical group 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- JRKICGRDRMAZLK-UHFFFAOYSA-L persulfate group Chemical group S(=O)(=O)([O-])OOS(=O)(=O)[O-] JRKICGRDRMAZLK-UHFFFAOYSA-L 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L sulfate group Chemical group S(=O)(=O)([O-])[O-] QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- BDHFUVZGWQCTTF-UHFFFAOYSA-N sulfonic acid Chemical compound OS(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-N 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- ZTWTYVWXUKTLCP-UHFFFAOYSA-N vinylphosphonic acid Chemical compound OP(O)(=O)C=C ZTWTYVWXUKTLCP-UHFFFAOYSA-N 0.000 description 1
- NLVXSWCKKBEXTG-UHFFFAOYSA-N vinylsulfonic acid Chemical compound OS(=O)(=O)C=C NLVXSWCKKBEXTG-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/02—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D01F6/18—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds from polymers of unsaturated nitriles, e.g. polyacrylonitrile, polyvinylidene cyanide
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/49—Phosphorus-containing compounds
- C08K5/51—Phosphorus bound to oxygen
- C08K5/53—Phosphorus bound to oxygen bound to oxygen and to carbon only
- C08K5/5317—Phosphonic compounds, e.g. R—P(:O)(OR')2
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Toxicology (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Medicinal Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Artificial Filaments (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19782832212 DE2832212A1 (de) | 1978-07-21 | 1978-07-21 | Verfahren zur stabilisierung von spinnloesungen aus acrylnitrilpolymeren |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IE791381L IE791381L (en) | 1980-01-21 |
| IE48596B1 true IE48596B1 (en) | 1985-03-20 |
Family
ID=6045069
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IE1381/79A IE48596B1 (en) | 1978-07-21 | 1979-08-08 | Process for stabilizing spinning solutions |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4286076A (OSRAM) |
| EP (1) | EP0007518B1 (OSRAM) |
| JP (1) | JPS5516999A (OSRAM) |
| AT (1) | ATE298T1 (OSRAM) |
| DE (2) | DE2832212A1 (OSRAM) |
| IE (1) | IE48596B1 (OSRAM) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3149454A1 (de) * | 1981-12-14 | 1983-06-23 | Chemische Werke Hüls AG, 4370 Marl | Verfahren zur herstellung von polyacrylnitrilpolyphosphonsaeure und ihre verwendung als flammschutzmittel |
| DE3429433A1 (de) * | 1984-08-10 | 1986-02-20 | Bayer Ag, 5090 Leverkusen | Nichtverfaerbende artikel aus baumwolle und acrylfasern |
| EP0688816A1 (en) * | 1994-06-22 | 1995-12-27 | Rohm And Haas Company | Low-color polymer |
| US7417086B2 (en) * | 2004-11-29 | 2008-08-26 | Rohm And Haas Company | Coating compositions |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2503245A (en) * | 1948-09-16 | 1950-04-11 | Eastman Kodak Co | Solutions of acrylonitrile polymers |
| US2642408A (en) * | 1950-04-15 | 1953-06-16 | Eastman Kodak Co | Stabilized solutions of acrylonitrile polymers and stabilized solvent |
| AT236642B (de) | 1962-02-21 | 1964-11-10 | Toyo Rayon Co Ltd | Verfahren zum Polymerisieren von Acrylnitril |
| US3793277A (en) * | 1971-09-07 | 1974-02-19 | Celanese Corp | Solution and method of delustering acrylic fibers with particulate metal salt dispersant of copolymer of 1-olefin and maleic anhydride compound as aid |
-
1978
- 1978-07-21 DE DE19782832212 patent/DE2832212A1/de not_active Withdrawn
-
1979
- 1979-07-05 US US06/054,727 patent/US4286076A/en not_active Expired - Lifetime
- 1979-07-11 AT AT79102374T patent/ATE298T1/de not_active IP Right Cessation
- 1979-07-11 EP EP79102374A patent/EP0007518B1/de not_active Expired
- 1979-07-11 DE DE7979102374T patent/DE2960994D1/de not_active Expired
- 1979-07-19 JP JP9106579A patent/JPS5516999A/ja active Granted
- 1979-08-08 IE IE1381/79A patent/IE48596B1/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| EP0007518B1 (de) | 1981-10-14 |
| IE791381L (en) | 1980-01-21 |
| DE2832212A1 (de) | 1980-01-31 |
| JPS5516999A (en) | 1980-02-06 |
| JPS621008B2 (OSRAM) | 1987-01-10 |
| US4286076A (en) | 1981-08-25 |
| ATE298T1 (de) | 1981-10-15 |
| EP0007518A1 (de) | 1980-02-06 |
| DE2960994D1 (en) | 1981-12-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP0025551B2 (de) | Verwendung von (Meth)acrylsäure-Maleinsäure-Copolymerisaten als Inkrustierungsinhibitoren in Waschmitteln | |
| US3926662A (en) | Production of cane sugar | |
| JPH04226540A (ja) | セルロースの水およびｎ−メチルモルフォリン−ｎ−オキシド溶液 | |
| EP0736049B1 (de) | Copolymerisate ungesättigter carbonsäuren, verfahren zur herstellung und ihre verwendung | |
| US3399161A (en) | Process for preparing a solution of acrylonitrile polymers | |
| EP0165452A1 (de) | Verfahren zur Herstellung von Mischpolymerisaten aus Vinylphosphonsäure und (Meth-)Acrylsäure in wässriger Lösung und ihre Verwendung | |
| DE4024371C2 (de) | Verfahren zur Herstellung von Suspensionspolymerisaten unter Verwendung von Phosphonsäuren bzw. deren Ammonium- oder Alkalimetallsalzen als Dispergierhilfsmittel-Additive | |
| US4286076A (en) | Process for stabilizing acrylonitrile polymer spinning solutions | |
| DE69020299T2 (de) | Verfahren zur Herstellung von Kesselstein verhindernden Mitteln. | |
| EP0161596A2 (de) | Wasch- und Reinigungsmittel | |
| DE69321296T2 (de) | Verfahren zur Entfernung von Kesselstein | |
| DE19911202B4 (de) | Verfahren zur Herstellung von Natriumpercarbonat mit verbesserter Löslichkeit | |
| DE3016433A1 (de) | Stabile zeolit-suspensionen | |
| DE1083221B (de) | Verfahren zum Bleichen von natuerlichen oder synthetischen Fasern und Textilien sowie Zellstoff und Holzschliff mit waessrigen peroxydhaltigen Behandlungsbaedern | |
| DE69021610T2 (de) | Maleinsäureanhydridcopolymere. | |
| US3784511A (en) | Color stabilization of fibers from acrylonitrile polymers | |
| US2792380A (en) | Acrylonitrile polymers stabilized with salts of fumaric acid | |
| DE2014764A1 (de) | Von Vakuolen freie Fäden und Filme aus Acrylnitrilpolymerisaten | |
| US2661345A (en) | Stabilized acrylonitrile polymers | |
| US4734274A (en) | Stabilization of aqueous alkali metal aluminate solutions | |
| US2784169A (en) | Acrylonitrile polymers stabilized with salts of vinyl phosphonates | |
| US3490867A (en) | Method for purifying concentrated aqueous solution comprised of zinc chloride | |
| US3630978A (en) | Stabilized halogen-containing acrylonitrile polymer composition | |
| KR790001236B1 (ko) | 아크릴로니트릴 중합체 용액 제조방법 | |
| DE2315283C3 (de) | Farbstabilisierte Homo- oder Mischpolymerisate des Acrylnitril |