IL44735A - Process for preventing deposit formation in aqueous media during a polymerization process - Google Patents
Process for preventing deposit formation in aqueous media during a polymerization processInfo
- Publication number
- IL44735A IL44735A IL44735A IL4473574A IL44735A IL 44735 A IL44735 A IL 44735A IL 44735 A IL44735 A IL 44735A IL 4473574 A IL4473574 A IL 4473574A IL 44735 A IL44735 A IL 44735A
- Authority
- IL
- Israel
- Prior art keywords
- reactor
- anode
- polymerization
- reaction
- cathode
- Prior art date
Links
- 238000006116 polymerization reaction Methods 0.000 title claims abstract description 29
- 230000015572 biosynthetic process Effects 0.000 title claims abstract description 15
- 239000012736 aqueous medium Substances 0.000 title claims abstract description 6
- 238000000034 method Methods 0.000 title claims description 17
- 239000001257 hydrogen Substances 0.000 claims abstract description 17
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 17
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 16
- 238000004519 manufacturing process Methods 0.000 claims abstract description 10
- 229910052697 platinum Inorganic materials 0.000 claims abstract description 6
- 238000012673 precipitation polymerization Methods 0.000 claims abstract description 6
- 238000007720 emulsion polymerization reaction Methods 0.000 claims abstract description 4
- 238000010557 suspension polymerization reaction Methods 0.000 claims abstract description 4
- 229910045601 alloy Inorganic materials 0.000 claims abstract 2
- 239000000956 alloy Substances 0.000 claims abstract 2
- 229910052741 iridium Inorganic materials 0.000 claims abstract 2
- 238000006243 chemical reaction Methods 0.000 claims description 21
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 11
- 229910052751 metal Inorganic materials 0.000 claims description 8
- 239000002184 metal Substances 0.000 claims description 8
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 claims description 7
- 238000005868 electrolysis reaction Methods 0.000 claims description 7
- 239000002609 medium Substances 0.000 claims description 6
- 229920001577 copolymer Polymers 0.000 claims 1
- 125000005843 halogen group Chemical group 0.000 claims 1
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 claims 1
- 229910052703 rhodium Inorganic materials 0.000 claims 1
- 239000010948 rhodium Substances 0.000 claims 1
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 claims 1
- BAPJBEWLBFYGME-UHFFFAOYSA-N Methyl acrylate Chemical compound COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 abstract description 8
- 239000000725 suspension Substances 0.000 abstract description 6
- 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 abstract description 4
- 239000010935 stainless steel Substances 0.000 abstract description 4
- 229910001220 stainless steel Inorganic materials 0.000 abstract description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 2
- 229910002804 graphite Inorganic materials 0.000 abstract description 2
- 239000010439 graphite Substances 0.000 abstract description 2
- 229920002239 polyacrylonitrile Polymers 0.000 abstract description 2
- 230000002378 acidificating effect Effects 0.000 abstract 1
- 239000003795 chemical substances by application Substances 0.000 abstract 1
- 239000000839 emulsion Substances 0.000 abstract 1
- 238000005755 formation reaction Methods 0.000 description 12
- 229920000642 polymer Polymers 0.000 description 12
- 239000007864 aqueous solution Substances 0.000 description 7
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 6
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 5
- 239000001301 oxygen Substances 0.000 description 5
- 229910052760 oxygen Inorganic materials 0.000 description 5
- 239000000047 product Substances 0.000 description 5
- 239000012429 reaction media Substances 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 4
- 239000003054 catalyst Substances 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 239000000178 monomer Substances 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 229910052725 zinc Inorganic materials 0.000 description 4
- 239000011701 zinc Substances 0.000 description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 239000010405 anode material Substances 0.000 description 3
- 239000010953 base metal Substances 0.000 description 3
- 239000007795 chemical reaction product Substances 0.000 description 3
- 239000003638 chemical reducing agent Substances 0.000 description 3
- 238000010517 secondary reaction Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- VMHLLURERBWHNL-UHFFFAOYSA-M Sodium acetate Chemical compound [Na+].CC([O-])=O VMHLLURERBWHNL-UHFFFAOYSA-M 0.000 description 2
- 238000007792 addition Methods 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 239000000872 buffer Substances 0.000 description 2
- IMBKASBLAKCLEM-UHFFFAOYSA-L ferrous ammonium sulfate (anhydrous) Chemical compound [NH4+].[NH4+].[Fe+2].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O IMBKASBLAKCLEM-UHFFFAOYSA-L 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- 235000017281 sodium acetate Nutrition 0.000 description 2
- 239000001632 sodium acetate Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 239000004721 Polyphenylene oxide Substances 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 1
- 239000012190 activator Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000008346 aqueous phase Substances 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000003467 diminishing effect Effects 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- 238000003487 electrochemical reaction Methods 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 239000003995 emulsifying agent Substances 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 238000005984 hydrogenation reaction Methods 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 150000002825 nitriles Chemical class 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- -1 polytetrafluorethylene Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 239000012266 salt solution Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000003115 supporting electrolyte Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F13/00—Inhibiting corrosion of metals by anodic or cathodic protection
- C23F13/02—Inhibiting corrosion of metals by anodic or cathodic protection cathodic; Selection of conditions, parameters or procedures for cathodic protection, e.g. of electrical conditions
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
- Polymerisation Methods In General (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
- Electrodes For Compound Or Non-Metal Manufacture (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19732322405 DE2322405C3 (de) | 1973-05-04 | Verfahren zur Verhinderung von Belägen an Polymerisationsreaktoren und Polymerisationsreaktor mit einer Einrichtung zur Verhinderung von Belägen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IL44735A0 IL44735A0 (en) | 1974-06-30 |
| IL44735A true IL44735A (en) | 1977-02-28 |
Family
ID=5879951
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IL44735A IL44735A (en) | 1973-05-04 | 1974-04-29 | Process for preventing deposit formation in aqueous media during a polymerization process |
Country Status (18)
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4013715A1 (de) * | 1990-04-28 | 1991-10-31 | Bayer Ag | Reduzierung des wandbelages in gefaessen fuer polymerisatemulsionen |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR333111A (fr) * | 1903-06-16 | 1903-11-16 | Boris Glinsky | Procédé de protection, par l'électricité, des surfaces métalliques contre l'oxydation et l'attaque par les liquides |
| BE631303A (enrdf_load_stackoverflow) * | 1961-07-04 |
-
1974
- 1974-04-27 ES ES425761A patent/ES425761A1/es not_active Expired
- 1974-04-29 NL NL7405740A patent/NL7405740A/xx not_active Application Discontinuation
- 1974-04-29 IL IL44735A patent/IL44735A/en unknown
- 1974-04-30 CH CH593274A patent/CH591569A5/xx not_active IP Right Cessation
- 1974-05-01 GB GB1909274A patent/GB1467146A/en not_active Expired
- 1974-05-02 ZA ZA00742784A patent/ZA742784B/xx unknown
- 1974-05-02 DD DD178248A patent/DD111383A5/xx unknown
- 1974-05-02 IT IT22218/74A patent/IT1010359B/it active
- 1974-05-02 AT AT360774A patent/AT334710B/de not_active IP Right Cessation
- 1974-05-02 JP JP49048839A patent/JPS5030791A/ja active Pending
- 1974-05-03 HU HUHO1672A patent/HU169330B/hu unknown
- 1974-05-03 PL PL1974170783A patent/PL89837B1/pl unknown
- 1974-05-03 SE SE7405936A patent/SE394461B/xx unknown
- 1974-05-03 CA CA198,943A patent/CA1038328A/en not_active Expired
- 1974-05-03 BR BR3623/74A patent/BR7403623D0/pt unknown
- 1974-05-06 BE BE143957A patent/BE814591A/xx unknown
- 1974-05-06 CS CS743245A patent/CS190425B2/cs unknown
- 1974-05-06 FR FR7415533A patent/FR2228121B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| IL44735A0 (en) | 1974-06-30 |
| PL89837B1 (enrdf_load_stackoverflow) | 1976-12-31 |
| FR2228121A1 (enrdf_load_stackoverflow) | 1974-11-29 |
| CS190425B2 (en) | 1979-05-31 |
| ZA742784B (en) | 1975-05-28 |
| ATA360774A (de) | 1976-05-15 |
| BR7403623D0 (pt) | 1974-11-19 |
| BE814591A (fr) | 1974-11-06 |
| DD111383A5 (enrdf_load_stackoverflow) | 1975-02-12 |
| DE2322405A1 (de) | 1974-11-21 |
| ES425761A1 (es) | 1977-05-16 |
| HU169330B (enrdf_load_stackoverflow) | 1976-11-28 |
| NL7405740A (enrdf_load_stackoverflow) | 1974-11-06 |
| FR2228121B1 (enrdf_load_stackoverflow) | 1978-01-20 |
| SE394461B (sv) | 1977-06-27 |
| CH591569A5 (enrdf_load_stackoverflow) | 1977-09-30 |
| GB1467146A (en) | 1977-03-16 |
| IT1010359B (it) | 1977-01-10 |
| AT334710B (de) | 1976-02-10 |
| CA1038328A (en) | 1978-09-12 |
| JPS5030791A (enrdf_load_stackoverflow) | 1975-03-27 |
| DE2322405B2 (de) | 1976-07-01 |
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