DE3028753A1 - Verfahren zum polymerisieren von vinylchlorid - Google Patents
Verfahren zum polymerisieren von vinylchloridInfo
- Publication number
- DE3028753A1 DE3028753A1 DE19803028753 DE3028753A DE3028753A1 DE 3028753 A1 DE3028753 A1 DE 3028753A1 DE 19803028753 DE19803028753 DE 19803028753 DE 3028753 A DE3028753 A DE 3028753A DE 3028753 A1 DE3028753 A1 DE 3028753A1
- Authority
- DE
- Germany
- Prior art keywords
- foam
- polymerization
- reactor
- blades
- breaking
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims description 28
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 title claims description 27
- 230000000379 polymerizing effect Effects 0.000 title claims description 7
- 238000006116 polymerization reaction Methods 0.000 claims description 99
- 239000006260 foam Substances 0.000 claims description 58
- 239000000178 monomer Substances 0.000 claims description 44
- 239000000203 mixture Substances 0.000 claims description 29
- 238000011084 recovery Methods 0.000 claims description 9
- 230000000630 rising effect Effects 0.000 claims description 9
- 239000012808 vapor phase Substances 0.000 claims description 4
- 229920000642 polymer Polymers 0.000 description 36
- 238000002474 experimental method Methods 0.000 description 23
- 239000002245 particle Substances 0.000 description 19
- 230000015572 biosynthetic process Effects 0.000 description 14
- 238000010992 reflux Methods 0.000 description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 12
- 239000007791 liquid phase Substances 0.000 description 9
- 238000012360 testing method Methods 0.000 description 8
- 239000012071 phase Substances 0.000 description 7
- 239000011541 reaction mixture Substances 0.000 description 7
- 239000008346 aqueous phase Substances 0.000 description 6
- 239000007788 liquid Substances 0.000 description 6
- 206010039509 Scab Diseases 0.000 description 5
- 238000007720 emulsion polymerization reaction Methods 0.000 description 5
- 238000003756 stirring Methods 0.000 description 5
- 238000010557 suspension polymerization reaction Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000002609 medium Substances 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 239000003505 polymerization initiator Substances 0.000 description 4
- 229920002451 polyvinyl alcohol Polymers 0.000 description 4
- 235000019422 polyvinyl alcohol Nutrition 0.000 description 4
- 239000004372 Polyvinyl alcohol Substances 0.000 description 3
- 230000002411 adverse Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 239000002270 dispersing agent Substances 0.000 description 3
- 239000006185 dispersion Substances 0.000 description 3
- BEQKKZICTDFVMG-UHFFFAOYSA-N 1,2,3,4,6-pentaoxepane-5,7-dione Chemical compound O=C1OOOOC(=O)O1 BEQKKZICTDFVMG-UHFFFAOYSA-N 0.000 description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 239000008367 deionised water Substances 0.000 description 2
- 229910021641 deionized water Inorganic materials 0.000 description 2
- 239000003995 emulsifying agent Substances 0.000 description 2
- -1 ethylene, propylene, vinyl Chemical group 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 229920000609 methyl cellulose Polymers 0.000 description 2
- 239000001923 methylcellulose Substances 0.000 description 2
- 235000010981 methylcellulose Nutrition 0.000 description 2
- GLDOVTGHNKAZLK-UHFFFAOYSA-N octadecan-1-ol Chemical compound CCCCCCCCCCCCCCCCCCO GLDOVTGHNKAZLK-UHFFFAOYSA-N 0.000 description 2
- BWJUFXUULUEGMA-UHFFFAOYSA-N propan-2-yl propan-2-yloxycarbonyloxy carbonate Chemical compound CC(C)OC(=O)OOC(=O)OC(C)C BWJUFXUULUEGMA-UHFFFAOYSA-N 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- HGXJDMCMYLEZMJ-UHFFFAOYSA-N (2-methylpropan-2-yl)oxy 2,2-dimethylpropaneperoxoate Chemical compound CC(C)(C)OOOC(=O)C(C)(C)C HGXJDMCMYLEZMJ-UHFFFAOYSA-N 0.000 description 1
- LNAZSHAWQACDHT-XIYTZBAFSA-N (2r,3r,4s,5r,6s)-4,5-dimethoxy-2-(methoxymethyl)-3-[(2s,3r,4s,5r,6r)-3,4,5-trimethoxy-6-(methoxymethyl)oxan-2-yl]oxy-6-[(2r,3r,4s,5r,6r)-4,5,6-trimethoxy-2-(methoxymethyl)oxan-3-yl]oxyoxane Chemical compound CO[C@@H]1[C@@H](OC)[C@H](OC)[C@@H](COC)O[C@H]1O[C@H]1[C@H](OC)[C@@H](OC)[C@H](O[C@H]2[C@@H]([C@@H](OC)[C@H](OC)O[C@@H]2COC)OC)O[C@@H]1COC LNAZSHAWQACDHT-XIYTZBAFSA-N 0.000 description 1
- OZCMOJQQLBXBKI-UHFFFAOYSA-N 1-ethenoxy-2-methylpropane Chemical compound CC(C)COC=C OZCMOJQQLBXBKI-UHFFFAOYSA-N 0.000 description 1
- LAYAKLSFVAPMEL-UHFFFAOYSA-N 1-ethenoxydodecane Chemical compound CCCCCCCCCCCCOC=C LAYAKLSFVAPMEL-UHFFFAOYSA-N 0.000 description 1
- 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
- VGZZAZYCLRYTNQ-UHFFFAOYSA-N 2-ethoxyethoxycarbonyloxy 2-ethoxyethyl carbonate Chemical compound CCOCCOC(=O)OOC(=O)OCCOCC VGZZAZYCLRYTNQ-UHFFFAOYSA-N 0.000 description 1
- FRIBMENBGGCKPD-UHFFFAOYSA-N 3-(2,3-dimethoxyphenyl)prop-2-enal Chemical compound COC1=CC=CC(C=CC=O)=C1OC FRIBMENBGGCKPD-UHFFFAOYSA-N 0.000 description 1
- PYSRRFNXTXNWCD-UHFFFAOYSA-N 3-(2-phenylethenyl)furan-2,5-dione Chemical compound O=C1OC(=O)C(C=CC=2C=CC=CC=2)=C1 PYSRRFNXTXNWCD-UHFFFAOYSA-N 0.000 description 1
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 1
- 241000251468 Actinopterygii Species 0.000 description 1
- MQIUGAXCHLFZKX-UHFFFAOYSA-N Di-n-octyl phthalate Natural products CCCCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCCC MQIUGAXCHLFZKX-UHFFFAOYSA-N 0.000 description 1
- JIGUQPWFLRLWPJ-UHFFFAOYSA-N Ethyl acrylate Chemical compound CCOC(=O)C=C JIGUQPWFLRLWPJ-UHFFFAOYSA-N 0.000 description 1
- 239000001856 Ethyl cellulose Substances 0.000 description 1
- ZZSNKZQZMQGXPY-UHFFFAOYSA-N Ethyl cellulose Chemical compound CCOCC1OC(OC)C(OCC)C(OCC)C1OC1C(O)C(O)C(OC)C(CO)O1 ZZSNKZQZMQGXPY-UHFFFAOYSA-N 0.000 description 1
- 108010010803 Gelatin Proteins 0.000 description 1
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 description 1
- HVUMOYIDDBPOLL-XWVZOOPGSA-N Sorbitan monostearate Chemical compound CCCCCCCCCCCCCCCCCC(=O)OC[C@@H](O)[C@H]1OC[C@H](O)[C@H]1O HVUMOYIDDBPOLL-XWVZOOPGSA-N 0.000 description 1
- 229920000147 Styrene maleic anhydride Polymers 0.000 description 1
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium peroxydisulfate Substances [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 description 1
- VAZSKTXWXKYQJF-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)OOS([O-])=O VAZSKTXWXKYQJF-UHFFFAOYSA-N 0.000 description 1
- 229910001870 ammonium persulfate Inorganic materials 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000012736 aqueous medium Substances 0.000 description 1
- BJQHLKABXJIVAM-UHFFFAOYSA-N bis(2-ethylhexyl) phthalate Chemical compound CCCCC(CC)COC(=O)C1=CC=CC=C1C(=O)OCC(CC)CCCC BJQHLKABXJIVAM-UHFFFAOYSA-N 0.000 description 1
- 239000000872 buffer Substances 0.000 description 1
- CQEYYJKEWSMYFG-UHFFFAOYSA-N butyl acrylate Chemical compound CCCCOC(=O)C=C CQEYYJKEWSMYFG-UHFFFAOYSA-N 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 235000010216 calcium carbonate Nutrition 0.000 description 1
- 239000001506 calcium phosphate Substances 0.000 description 1
- 229910000389 calcium phosphate Inorganic materials 0.000 description 1
- 235000011010 calcium phosphates Nutrition 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 238000007334 copolymerization reaction Methods 0.000 description 1
- 239000003431 cross linking reagent Substances 0.000 description 1
- BSVQJWUUZCXSOL-UHFFFAOYSA-N cyclohexylsulfonyl ethaneperoxoate Chemical compound CC(=O)OOS(=O)(=O)C1CCCCC1 BSVQJWUUZCXSOL-UHFFFAOYSA-N 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- UQLDLKMNUJERMK-UHFFFAOYSA-L di(octadecanoyloxy)lead Chemical compound [Pb+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O UQLDLKMNUJERMK-UHFFFAOYSA-L 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- GVGUFUZHNYFZLC-UHFFFAOYSA-N dodecyl benzenesulfonate;sodium Chemical compound [Na].CCCCCCCCCCCCOS(=O)(=O)C1=CC=CC=C1 GVGUFUZHNYFZLC-UHFFFAOYSA-N 0.000 description 1
- UIWXSTHGICQLQT-UHFFFAOYSA-N ethenyl propanoate Chemical compound CCC(=O)OC=C UIWXSTHGICQLQT-UHFFFAOYSA-N 0.000 description 1
- 235000019325 ethyl cellulose Nutrition 0.000 description 1
- 229920001249 ethyl cellulose Polymers 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 229920000159 gelatin Polymers 0.000 description 1
- 239000008273 gelatin Substances 0.000 description 1
- 235000019322 gelatine Nutrition 0.000 description 1
- 235000011852 gelatine desserts Nutrition 0.000 description 1
- 229920001519 homopolymer Polymers 0.000 description 1
- 239000001866 hydroxypropyl methyl cellulose Substances 0.000 description 1
- 235000010979 hydroxypropyl methyl cellulose Nutrition 0.000 description 1
- 229920003088 hydroxypropyl methyl cellulose Polymers 0.000 description 1
- UFVKGYZPFZQRLF-UHFFFAOYSA-N hydroxypropyl methyl cellulose Chemical compound OC1C(O)C(OC)OC(CO)C1OC1C(O)C(O)C(OC2C(C(O)C(OC3C(C(O)C(O)C(CO)O3)O)C(CO)O2)O)C(CO)O1 UFVKGYZPFZQRLF-UHFFFAOYSA-N 0.000 description 1
- OCWMFVJKFWXKNZ-UHFFFAOYSA-L lead(2+);oxygen(2-);sulfate Chemical compound [O-2].[O-2].[O-2].[Pb+2].[Pb+2].[Pb+2].[Pb+2].[O-]S([O-])(=O)=O OCWMFVJKFWXKNZ-UHFFFAOYSA-L 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- GOQYKNQRPGWPLP-UHFFFAOYSA-N n-heptadecyl alcohol Natural products CCCCCCCCCCCCCCCCCO GOQYKNQRPGWPLP-UHFFFAOYSA-N 0.000 description 1
- 150000001451 organic peroxides Chemical class 0.000 description 1
- PNJWIWWMYCMZRO-UHFFFAOYSA-N pent‐4‐en‐2‐one Natural products CC(=O)CC=C PNJWIWWMYCMZRO-UHFFFAOYSA-N 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- USHAGKDGDHPEEY-UHFFFAOYSA-L potassium persulfate Chemical compound [K+].[K+].[O-]S(=O)(=O)OOS([O-])(=O)=O USHAGKDGDHPEEY-UHFFFAOYSA-L 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 229940080264 sodium dodecylbenzenesulfonate Drugs 0.000 description 1
- 235000019333 sodium laurylsulphate Nutrition 0.000 description 1
- 239000001587 sorbitan monostearate Substances 0.000 description 1
- 235000011076 sorbitan monostearate Nutrition 0.000 description 1
- 229940035048 sorbitan monostearate Drugs 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- NMOALOSNPWTWRH-UHFFFAOYSA-N tert-butyl 7,7-dimethyloctaneperoxoate Chemical compound CC(C)(C)CCCCCC(=O)OOC(C)(C)C NMOALOSNPWTWRH-UHFFFAOYSA-N 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- QORWJWZARLRLPR-UHFFFAOYSA-H tricalcium bis(phosphate) Chemical compound [Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O QORWJWZARLRLPR-UHFFFAOYSA-H 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
- C08F6/00—Post-polymerisation treatments
- C08F6/001—Removal of residual monomers by physical means
- C08F6/003—Removal of residual monomers by physical means from polymer solutions, suspensions, dispersions or emulsions without recovery of the polymer therefrom
-
- 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
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0006—Controlling or regulating processes
- B01J19/002—Avoiding undesirable reactions or side-effects, e.g. avoiding explosions, or improving the yield by suppressing side-reactions
-
- 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
- C08F14/00—Homopolymers and 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 halogen
- C08F14/02—Monomers containing chlorine
- C08F14/04—Monomers containing two carbon atoms
- C08F14/06—Vinyl chloride
-
- 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
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00049—Controlling or regulating processes
- B01J2219/00245—Avoiding undesirable reactions or side-effects
- B01J2219/0025—Foam formation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Dispersion Chemistry (AREA)
- Polymerisation Methods In General (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10163379A JPS6042804B2 (ja) | 1979-08-09 | 1979-08-09 | 塩化ビニル系単量体の重合方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3028753A1 true DE3028753A1 (de) | 1981-02-26 |
| DE3028753C2 DE3028753C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1990-06-28 |
Family
ID=14305795
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19803028753 Granted DE3028753A1 (de) | 1979-08-09 | 1980-07-29 | Verfahren zum polymerisieren von vinylchlorid |
Country Status (10)
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5849710A (ja) * | 1981-09-18 | 1983-03-24 | Shin Etsu Chem Co Ltd | 塩化ビニル用重合装置 |
| JPS5898881A (ja) * | 1981-12-08 | 1983-06-11 | Pioneer Video Corp | 情報記録デイスク再生装置における時間軸制御装置 |
| WO1992008743A1 (en) * | 1990-11-08 | 1992-05-29 | The Dow Chemical Company | Reactor with foam shearing means for solution polymerization process |
| DE19711021A1 (de) * | 1997-03-17 | 1998-09-24 | Basf Ag | Verwendung von mechanischen Schaumzerstörern bei der Polymerdispersions-Herstellung |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE731756C (de) * | 1939-06-21 | 1943-02-13 | Ig Farbenindustrie Ag | Verfahren zur Beseitigung von Schaeumen |
| DE2520591B2 (de) * | 1975-05-09 | 1980-03-13 | Hoechst Ag, 6000 Frankfurt | Verfahren und Vorrichtung zur kontinuierlichen Behandlung von wäßrigen Homo- und Copolymerisatdispersionen, deren PoIymeranteil mindestens 50 Gew.-% polymerisiertes Vinylchlorid enthält, mit Inertgasen |
| DE2531111C2 (de) * | 1974-08-14 | 1982-09-02 | Solvay & Cie., 1050 Bruxelles | Verfahren zur Entfernung von restlichem Vinylchlorid aus einer wäßrigen Dispersion von Homo- oder Copolymeren des Vinylchlorids |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3560402A (en) * | 1968-04-10 | 1971-02-02 | Int Paper Co | Apparatus for mechanically breaking stable foams |
| DE2757345C2 (de) * | 1977-12-22 | 1986-01-23 | Wacker-Chemie GmbH, 8000 München | Verfahren zur Schaumzerstörung beim Entfernen von Restmonomer aus Reaktionsgemischen |
-
1979
- 1979-08-09 JP JP10163379A patent/JPS6042804B2/ja not_active Expired
-
1980
- 1980-07-23 GR GR62521A patent/GR69338B/el unknown
- 1980-07-23 GB GB8024150A patent/GB2055861B/en not_active Expired
- 1980-07-24 IN IN849/CAL/80A patent/IN153574B/en unknown
- 1980-07-29 DE DE19803028753 patent/DE3028753A1/de active Granted
- 1980-08-06 PL PL22610280A patent/PL226102A1/xx unknown
- 1980-08-07 PT PT7166780A patent/PT71667B/pt unknown
- 1980-08-07 MX MX18348680A patent/MX156439A/es unknown
- 1980-08-07 BR BR8004967A patent/BR8004967A/pt unknown
- 1980-08-08 FR FR8017519A patent/FR2463154B1/fr not_active Expired
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE731756C (de) * | 1939-06-21 | 1943-02-13 | Ig Farbenindustrie Ag | Verfahren zur Beseitigung von Schaeumen |
| DE2531111C2 (de) * | 1974-08-14 | 1982-09-02 | Solvay & Cie., 1050 Bruxelles | Verfahren zur Entfernung von restlichem Vinylchlorid aus einer wäßrigen Dispersion von Homo- oder Copolymeren des Vinylchlorids |
| DE2520591B2 (de) * | 1975-05-09 | 1980-03-13 | Hoechst Ag, 6000 Frankfurt | Verfahren und Vorrichtung zur kontinuierlichen Behandlung von wäßrigen Homo- und Copolymerisatdispersionen, deren PoIymeranteil mindestens 50 Gew.-% polymerisiertes Vinylchlorid enthält, mit Inertgasen |
Non-Patent Citations (1)
| Title |
|---|
| Chemie-Technik 1976, Bd.5, S.135-139 * |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2463154B1 (fr) | 1985-11-22 |
| JPS5626908A (en) | 1981-03-16 |
| PT71667B (en) | 1981-06-11 |
| GR69338B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1982-05-17 |
| JPS6042804B2 (ja) | 1985-09-25 |
| GB2055861A (en) | 1981-03-11 |
| PL226102A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1981-04-24 |
| DE3028753C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1990-06-28 |
| GB2055861B (en) | 1983-09-21 |
| IN153574B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1984-07-28 |
| MX156439A (es) | 1988-08-23 |
| BR8004967A (pt) | 1981-02-17 |
| PT71667A (en) | 1980-09-01 |
| FR2463154A1 (fr) | 1981-02-20 |
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