DE2601076C2 - - Google Patents
Info
- Publication number
- DE2601076C2 DE2601076C2 DE2601076A DE2601076A DE2601076C2 DE 2601076 C2 DE2601076 C2 DE 2601076C2 DE 2601076 A DE2601076 A DE 2601076A DE 2601076 A DE2601076 A DE 2601076A DE 2601076 C2 DE2601076 C2 DE 2601076C2
- Authority
- DE
- Germany
- Prior art keywords
- reactor
- polymerization
- thermal treatment
- walls
- during
- 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.)
- Expired - Fee Related
Links
- 238000006116 polymerization reaction Methods 0.000 claims description 61
- 238000000034 method Methods 0.000 claims description 35
- 238000007669 thermal treatment Methods 0.000 claims description 29
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 claims description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 20
- 239000000178 monomer Substances 0.000 claims description 19
- 239000000203 mixture Substances 0.000 claims description 13
- 239000007789 gas Substances 0.000 claims description 12
- 239000007900 aqueous suspension Substances 0.000 claims description 8
- 238000010926 purge Methods 0.000 claims description 7
- 238000010526 radical polymerization reaction Methods 0.000 claims description 7
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical group CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 claims description 6
- 238000011068 loading method Methods 0.000 claims description 5
- 230000008569 process Effects 0.000 claims description 5
- 239000011261 inert gas Substances 0.000 claims description 3
- 239000007791 liquid phase Substances 0.000 claims description 3
- 239000007790 solid phase Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 2
- 239000010935 stainless steel Substances 0.000 claims description 2
- 229920000642 polymer Polymers 0.000 description 7
- 238000010438 heat treatment Methods 0.000 description 6
- 230000009467 reduction Effects 0.000 description 5
- 239000003795 chemical substances by application Substances 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 4
- 238000009833 condensation Methods 0.000 description 4
- 230000005494 condensation Effects 0.000 description 4
- 239000002270 dispersing agent Substances 0.000 description 4
- 239000012071 phase Substances 0.000 description 4
- 239000012429 reaction media Substances 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 3
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 3
- 206010039509 Scab Diseases 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 238000007792 addition Methods 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000011010 flushing procedure Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 239000002609 medium Substances 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 3
- 229920002554 vinyl polymer Polymers 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 239000002826 coolant Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000007334 copolymerization reaction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 230000008030 elimination Effects 0.000 description 2
- 238000003379 elimination reaction Methods 0.000 description 2
- CWINGZLCRSDKCL-UHFFFAOYSA-N ethoxycarbonyloxy ethyl carbonate Chemical compound CCOC(=O)OOC(=O)OCC CWINGZLCRSDKCL-UHFFFAOYSA-N 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 238000004904 shortening Methods 0.000 description 2
- CJWNFAKWHDOUKL-UHFFFAOYSA-N 2-(2-phenylpropan-2-yl)phenol Chemical compound C=1C=CC=C(O)C=1C(C)(C)C1=CC=CC=C1 CJWNFAKWHDOUKL-UHFFFAOYSA-N 0.000 description 1
- QNRSQFWYPSFVPW-UHFFFAOYSA-N 5-(4-cyanobutyldiazenyl)pentanenitrile Chemical compound N#CCCCCN=NCCCCC#N QNRSQFWYPSFVPW-UHFFFAOYSA-N 0.000 description 1
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000001464 adherent effect Effects 0.000 description 1
- XYLMUPLGERFSHI-UHFFFAOYSA-N alpha-Methylstyrene Chemical compound CC(=C)C1=CC=CC=C1 XYLMUPLGERFSHI-UHFFFAOYSA-N 0.000 description 1
- 239000012736 aqueous medium Substances 0.000 description 1
- 150000001491 aromatic compounds Chemical class 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 239000013529 heat transfer fluid Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 239000003999 initiator Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000010297 mechanical methods and process Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000000135 prohibitive effect Effects 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 230000009291 secondary effect Effects 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000375 suspending agent Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000010557 suspension polymerization reaction Methods 0.000 description 1
- 229920001059 synthetic polymer Polymers 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 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
- C08F2/00—Processes of polymerisation
- C08F2/002—Scale prevention in a polymerisation reactor or its auxiliary parts
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Polymerisation Methods In General (AREA)
- Macromonomer-Based Addition Polymer (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| LU71833A LU71833A1 (en, 2012) | 1975-02-13 | 1975-02-13 | |
| LU73025A LU73025A1 (en, 2012) | 1975-07-18 | 1975-07-18 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2601076A1 DE2601076A1 (de) | 1976-08-26 |
| DE2601076C2 true DE2601076C2 (en, 2012) | 1991-10-10 |
Family
ID=26640171
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19762601076 Granted DE2601076A1 (de) | 1975-02-13 | 1976-01-13 | Verfahren zur vermeidung der verkrustung von polymerisationsreaktoren |
Country Status (15)
| Country | Link |
|---|---|
| US (1) | US4048417A (en, 2012) |
| JP (1) | JPS51105384A (en, 2012) |
| AT (1) | AT345556B (en, 2012) |
| BR (1) | BR7600540A (en, 2012) |
| CH (1) | CH611632A5 (en, 2012) |
| DE (1) | DE2601076A1 (en, 2012) |
| ES (1) | ES444331A1 (en, 2012) |
| FI (1) | FI62543C (en, 2012) |
| FR (1) | FR2300614A1 (en, 2012) |
| GB (1) | GB1495882A (en, 2012) |
| IT (1) | IT1052046B (en, 2012) |
| NL (1) | NL180126C (en, 2012) |
| NO (1) | NO146988C (en, 2012) |
| PT (1) | PT64699B (en, 2012) |
| SE (1) | SE428128B (en, 2012) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19847124B4 (de) * | 1998-10-14 | 2014-10-09 | Basf Se | Verfahren zum Entleeren von Behältnissen, die Dispersionen, Lösungen oder Suspensionen von Polymeren enthalten |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS575704A (en) * | 1980-06-16 | 1982-01-12 | Shin Etsu Chem Co Ltd | Suspension polymerization of vinyl chloride monomer |
| US4451625A (en) * | 1982-08-05 | 1984-05-29 | Air Products And Chemicals, Inc. | Reduction of wall fouling in the suspension polymerization of vinyl chloride homopolymer |
| JPS59210910A (ja) * | 1983-05-17 | 1984-11-29 | Sumitomo Chem Co Ltd | 高温の重合性液状組成物の移送方法 |
| JPH0678388B2 (ja) * | 1990-08-31 | 1994-10-05 | 信越化学工業株式会社 | 塩化ビニル系重合体の製造方法 |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1053572A (en, 2012) * | 1963-05-14 | |||
| ES355836A1 (es) * | 1967-08-02 | 1970-04-01 | Dow Chemical Co | Un procedimiento para reducir la acumulacion de polimero sobre las superficies interiores de una vasija de reaccion. |
| JPS5338311B1 (en, 2012) * | 1970-04-13 | 1978-10-14 | ||
| DE2033780A1 (en) * | 1970-07-08 | 1972-01-27 | Huels Chemische Werke Ag | Vinyl chloride suspension polymn - without pvc deposition on polymer wall |
| US3764384A (en) * | 1970-07-24 | 1973-10-09 | Gaf Corp | Process for removing polyvinyl halide residues from processing equipment |
| JPS4719896U (en, 2012) * | 1971-01-28 | 1972-11-06 | ||
| JPS4719895U (en, 2012) * | 1971-02-06 | 1972-11-06 | ||
| US3778423A (en) * | 1971-06-28 | 1973-12-11 | Universal Pvc Resins | Method for reducing polymer deposit in polymerization of vinyl chloride |
| DE2212962C2 (de) * | 1972-03-17 | 1985-01-24 | Basf Ag, 6700 Ludwigshafen | Verfahren zur Polymerisation von Vinylchlorid in wäßriger Suspension |
| BE792134A (fr) * | 1972-04-10 | 1973-05-30 | Levin Igor A | Procede d'enlevement de depots de la surface de constructions |
| DE2239942C3 (de) * | 1972-08-14 | 1988-02-11 | Wacker-Chemie GmbH, 8000 München | Verfahren zur Polymerisation von Vinylchlorid |
| US3962202A (en) * | 1973-08-27 | 1976-06-08 | The B. F. Goodrich Company | Process for polymerizing olefinic monomers which substantially eliminates polymer buildup |
| GB1428585A (en) * | 1974-06-18 | 1976-03-17 | Grantley Co | Method and solution for dissolving polyvinyl chlrodie resin scale and use of the solute |
-
1975
- 1975-12-19 CH CH1652475A patent/CH611632A5/xx not_active IP Right Cessation
- 1975-12-30 IT IT30876/75A patent/IT1052046B/it active
-
1976
- 1976-01-13 DE DE19762601076 patent/DE2601076A1/de active Granted
- 1976-01-14 US US05/649,020 patent/US4048417A/en not_active Expired - Lifetime
- 1976-01-15 ES ES444331A patent/ES444331A1/es not_active Expired
- 1976-01-15 PT PT64699A patent/PT64699B/pt unknown
- 1976-01-19 GB GB2000/76A patent/GB1495882A/en not_active Expired
- 1976-01-29 BR BR7600540A patent/BR7600540A/pt unknown
- 1976-01-29 FI FI760213A patent/FI62543C/fi not_active IP Right Cessation
- 1976-02-03 FR FR7603254A patent/FR2300614A1/fr active Granted
- 1976-02-12 JP JP51013313A patent/JPS51105384A/ja active Pending
- 1976-02-12 AT AT101276A patent/AT345556B/de not_active IP Right Cessation
- 1976-02-12 SE SE7601585A patent/SE428128B/xx not_active IP Right Cessation
- 1976-02-12 NO NO760452A patent/NO146988C/no unknown
- 1976-02-12 NL NLAANVRAGE7601447,A patent/NL180126C/xx not_active IP Right Cessation
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19847124B4 (de) * | 1998-10-14 | 2014-10-09 | Basf Se | Verfahren zum Entleeren von Behältnissen, die Dispersionen, Lösungen oder Suspensionen von Polymeren enthalten |
Also Published As
| Publication number | Publication date |
|---|---|
| GB1495882A (en) | 1977-12-21 |
| NL180126B (nl) | 1986-08-01 |
| NO146988C (no) | 1983-01-12 |
| NO760452L (en, 2012) | 1976-08-16 |
| JPS51105384A (en, 2012) | 1976-09-17 |
| CH611632A5 (en, 2012) | 1979-06-15 |
| NL7601447A (nl) | 1976-08-17 |
| FI62543C (fi) | 1983-01-10 |
| AT345556B (de) | 1978-09-25 |
| AU1031576A (en) | 1977-07-21 |
| FR2300614B1 (en, 2012) | 1979-04-20 |
| BR7600540A (pt) | 1976-09-14 |
| PT64699B (fr) | 1977-08-10 |
| SE428128B (sv) | 1983-06-06 |
| ATA101276A (de) | 1978-01-15 |
| FR2300614A1 (fr) | 1976-09-10 |
| FI62543B (fi) | 1982-09-30 |
| IT1052046B (it) | 1981-06-20 |
| US4048417A (en) | 1977-09-13 |
| ES444331A1 (es) | 1977-05-01 |
| PT64699A (fr) | 1976-02-01 |
| NL180126C (nl) | 1987-01-02 |
| DE2601076A1 (de) | 1976-08-26 |
| FI760213A7 (en, 2012) | 1976-08-14 |
| NO146988B (no) | 1982-10-04 |
| SE7601585L (sv) | 1976-08-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8110 | Request for examination paragraph 44 | ||
| 8128 | New person/name/address of the agent |
Representative=s name: LEDERER, F., DIPL.-CHEM. DR., PAT.-ANW., 8000 MUEN |
|
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |