GB1494654A - Process for cleaning reactors used in the polymerisation of vinyl chloride - Google Patents
Process for cleaning reactors used in the polymerisation of vinyl chlorideInfo
- Publication number
- GB1494654A GB1494654A GB3262275A GB3262275A GB1494654A GB 1494654 A GB1494654 A GB 1494654A GB 3262275 A GB3262275 A GB 3262275A GB 3262275 A GB3262275 A GB 3262275A GB 1494654 A GB1494654 A GB 1494654A
- Authority
- GB
- United Kingdom
- Prior art keywords
- vinyl chloride
- solvent mixture
- polymerisation
- reactors used
- reactors
- 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
Links
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 title abstract 3
- 238000004140 cleaning Methods 0.000 title abstract 2
- 238000000034 method Methods 0.000 title 1
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 abstract 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 abstract 3
- 239000011877 solvent mixture Substances 0.000 abstract 3
- 230000000379 polymerizing effect Effects 0.000 abstract 2
- QEVHRUUCFGRFIF-MDEJGZGSSA-N reserpine Chemical compound O([C@H]1[C@@H]([C@H]([C@H]2C[C@@H]3C4=C(C5=CC=C(OC)C=C5N4)CCN3C[C@H]2C1)C(=O)OC)OC)C(=O)C1=CC(OC)=C(OC)C(OC)=C1 QEVHRUUCFGRFIF-MDEJGZGSSA-N 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J11/00—Recovery or working-up of waste materials
- C08J11/04—Recovery or working-up of waste materials of polymers
- C08J11/06—Recovery or working-up of waste materials of polymers without chemical reactions
- C08J11/08—Recovery or working-up of waste materials of polymers without chemical reactions using selective solvents for polymer components
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/08—Cleaning involving contact with liquid the liquid having chemical or dissolving effect
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2327/00—Characterised by the use of homopolymers or 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; Derivatives of such polymers
- C08J2327/02—Characterised by the use of homopolymers or 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; Derivatives of such polymers not modified by chemical after-treatment
- C08J2327/04—Characterised by the use of homopolymers or 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; Derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08J2327/06—Homopolymers or copolymers of vinyl chloride
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Health & Medical Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Detergent Compositions (AREA)
- Polymerisation Methods In General (AREA)
- Treatments Of Macromolecular Shaped Articles (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT2711874A IT1021234B (it) | 1974-09-10 | 1974-09-10 | Procedimento per la pulizia dei reattori di polimerizzazione e copolimerizzazione del cloruro di vinile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1494654A true GB1494654A (en) | 1977-12-07 |
Family
ID=11220990
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3262275A Expired GB1494654A (en) | 1974-09-10 | 1975-08-05 | Process for cleaning reactors used in the polymerisation of vinyl chloride |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US3997360A (cg-RX-API-DMAC10.html) |
| JP (1) | JPS5141594B2 (cg-RX-API-DMAC10.html) |
| BE (1) | BE833041A (cg-RX-API-DMAC10.html) |
| DE (1) | DE2540328C2 (cg-RX-API-DMAC10.html) |
| ES (1) | ES440819A1 (cg-RX-API-DMAC10.html) |
| FR (1) | FR2284617A1 (cg-RX-API-DMAC10.html) |
| GB (1) | GB1494654A (cg-RX-API-DMAC10.html) |
| IT (1) | IT1021234B (cg-RX-API-DMAC10.html) |
| NL (1) | NL180916C (cg-RX-API-DMAC10.html) |
| NO (1) | NO141212C (cg-RX-API-DMAC10.html) |
| SE (1) | SE410107B (cg-RX-API-DMAC10.html) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1054700B (it) * | 1975-12-23 | 1981-11-30 | Sir Soc Italiana Resine Spa | Procedimento per il recupero dei solventi dalle miscele esauste ottenute nella pulizia dei reattori di polimerizzazione del cloruro di vinile |
| JPS55144100A (en) * | 1979-04-27 | 1980-11-10 | Daikin Ind Ltd | Surface cleaning composition |
| IN158315B (cg-RX-API-DMAC10.html) * | 1981-06-19 | 1986-10-18 | Mitsui Toatsu Chemicals | |
| US4431458A (en) * | 1982-04-08 | 1984-02-14 | Harold Rosen | Method for removing polyvinyl coatings from metal with tetrahydrofuran |
| JPS6037122B2 (ja) * | 1982-08-27 | 1985-08-24 | 徳山積水工業株式会社 | 重合容器に付着したスケ−ルを除去する方法 |
| US4770713A (en) * | 1986-12-10 | 1988-09-13 | Advanced Chemical Technologies, Inc. | Stripping compositions containing an alkylamide and an alkanolamine and use thereof |
| US5190595A (en) * | 1991-09-03 | 1993-03-02 | International Business Machines Corporation | Ozone safe stripping solution for thermal grease |
| US6722377B1 (en) * | 1999-08-27 | 2004-04-20 | Rohm And Haas Company | Process for cleaning reactors |
| EP1752212B1 (en) * | 2005-08-10 | 2009-01-14 | Linde AG | Method for cleaning a reactor |
| DE102013212813A1 (de) * | 2013-07-01 | 2015-01-08 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Verfahren zur Anreicherung von mindestens einem Polymer aus einem Polymer-haltigen Abfall und Polymer-Recyclat |
| US11529657B2 (en) | 2021-03-09 | 2022-12-20 | Covestro Llc | Methods for removing amine contaminants from equipment used in the production of polyether polyols |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3764384A (en) * | 1970-07-24 | 1973-10-09 | Gaf Corp | Process for removing polyvinyl halide residues from processing equipment |
| US3784477A (en) * | 1971-08-13 | 1974-01-08 | R Esposito | Paint removal compositions |
-
1974
- 1974-09-10 IT IT2711874A patent/IT1021234B/it active
-
1975
- 1975-08-05 GB GB3262275A patent/GB1494654A/en not_active Expired
- 1975-08-11 US US05/603,395 patent/US3997360A/en not_active Expired - Lifetime
- 1975-08-23 JP JP10250875A patent/JPS5141594B2/ja not_active Expired
- 1975-09-03 BE BE159722A patent/BE833041A/xx not_active IP Right Cessation
- 1975-09-09 ES ES440819A patent/ES440819A1/es not_active Expired
- 1975-09-09 FR FR7527635A patent/FR2284617A1/fr active Granted
- 1975-09-09 NL NL7510638A patent/NL180916C/xx not_active IP Right Cessation
- 1975-09-09 SE SE7510023A patent/SE410107B/xx not_active IP Right Cessation
- 1975-09-09 NO NO753073A patent/NO141212C/no unknown
- 1975-09-10 DE DE2540328A patent/DE2540328C2/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NO141212B (no) | 1979-10-22 |
| NL180916C (nl) | 1987-05-18 |
| IT1021234B (it) | 1978-01-30 |
| NL7510638A (nl) | 1976-03-12 |
| US3997360A (en) | 1976-12-14 |
| NO753073L (cg-RX-API-DMAC10.html) | 1976-03-11 |
| FR2284617A1 (fr) | 1976-04-09 |
| NO141212C (no) | 1980-01-30 |
| SE410107B (sv) | 1979-09-24 |
| AU8371675A (en) | 1976-12-16 |
| JPS5150885A (cg-RX-API-DMAC10.html) | 1976-05-04 |
| SE7510023L (sv) | 1976-03-11 |
| JPS5141594B2 (cg-RX-API-DMAC10.html) | 1976-11-10 |
| FR2284617B1 (cg-RX-API-DMAC10.html) | 1978-04-07 |
| ES440819A1 (es) | 1977-03-01 |
| DE2540328A1 (de) | 1976-04-01 |
| DE2540328C2 (de) | 1987-03-05 |
| BE833041A (fr) | 1975-12-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| GB1494654A (en) | Process for cleaning reactors used in the polymerisation of vinyl chloride | |
| ES446281A1 (es) | Procedimiento para la polimerizacion a granel de cloruro de vinilo. | |
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| GB1510643A (en) | Olefine polymerisation catalyst containing transition metal compound | |
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| ES8106919A1 (es) | Procedimiento de polimerizacion en solucion | |
| GB1220714A (en) | Improvements in or relating to a method for the production of vinyl chloride copolymers | |
| GB1266439A (cg-RX-API-DMAC10.html) | ||
| JPS52107294A (en) | Titanium trichloride catalyst and production thereof | |
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| GB1246878A (en) | Novel polymeric compositions and their preparation | |
| ES8501424A1 (es) | Procedimiento para pre-estabilizar polimeros a base de cloruro de vinilo. | |
| ES8206559A1 (es) | Procedimiento para preparar un polimero de cloruro de vinilo | |
| SE7511617L (sv) | Forfarande for att stoppa polymerisation av vinylklorid i vattenhaltig dispersion | |
| JPS5676411A (en) | Production of alpha-olefin polymer | |
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| JPS5262389A (en) | Elimination method of vinyl chloride monomer from vinyl chloride resin s | |
| SE7407402L (cg-RX-API-DMAC10.html) | ||
| JPS5215590A (en) | Method for the suspension polymerization of vinyl chloride | |
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| GB1490151A (en) | Vinyl homopolymer or copolymer compositions |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| 746 | Register noted 'licences of right' (sect. 46/1977) | ||
| PCNP | Patent ceased through non-payment of renewal fee |