BE833041A - Procede pour nettoyer les reacteurs de polymerisation et de copolymerisation du chlorure de vinyle - Google Patents
Procede pour nettoyer les reacteurs de polymerisation et de copolymerisation du chlorure de vinyleInfo
- Publication number
- BE833041A BE833041A BE159722A BE159722A BE833041A BE 833041 A BE833041 A BE 833041A BE 159722 A BE159722 A BE 159722A BE 159722 A BE159722 A BE 159722A BE 833041 A BE833041 A BE 833041A
- Authority
- BE
- Belgium
- Prior art keywords
- procedure
- vinyl chloride
- chloride polymerization
- cleaning vinyl
- reactors
- Prior art date
Links
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 |
---|---|
BE833041A true BE833041A (fr) | 1975-12-31 |
Family
ID=11220990
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE159722A BE833041A (fr) | 1974-09-10 | 1975-09-03 | Procede pour nettoyer les reacteurs de polymerisation et de copolymerisation du chlorure de vinyle |
Country Status (11)
Country | Link |
---|---|
US (1) | US3997360A (fr) |
JP (1) | JPS5141594B2 (fr) |
BE (1) | BE833041A (fr) |
DE (1) | DE2540328C2 (fr) |
ES (1) | ES440819A1 (fr) |
FR (1) | FR2284617A1 (fr) |
GB (1) | GB1494654A (fr) |
IT (1) | IT1021234B (fr) |
NL (1) | NL180916C (fr) |
NO (1) | NO141212C (fr) |
SE (1) | SE410107B (fr) |
Families Citing this family (12)
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 |
JPS5915667Y2 (ja) * | 1978-10-20 | 1984-05-09 | 株式会社トミー | ポケツト型ドライブゲ−ム |
JPS55144100A (en) * | 1979-04-27 | 1980-11-10 | Daikin Ind Ltd | Surface cleaning composition |
IN158315B (fr) * | 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 |
DE602005012386D1 (de) * | 2005-08-10 | 2009-03-05 | Linde Ag | Verfahren zur Reinigung eines Reaktors |
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/fr 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 |
---|---|
DE2540328A1 (de) | 1976-04-01 |
JPS5150885A (fr) | 1976-05-04 |
US3997360A (en) | 1976-12-14 |
IT1021234B (it) | 1978-01-30 |
DE2540328C2 (de) | 1987-03-05 |
SE410107B (sv) | 1979-09-24 |
SE7510023L (sv) | 1976-03-11 |
NO141212B (no) | 1979-10-22 |
FR2284617B1 (fr) | 1978-04-07 |
NO753073L (fr) | 1976-03-11 |
NL180916C (nl) | 1987-05-18 |
AU8371675A (en) | 1976-12-16 |
NL7510638A (nl) | 1976-03-12 |
GB1494654A (en) | 1977-12-07 |
ES440819A1 (es) | 1977-03-01 |
FR2284617A1 (fr) | 1976-04-09 |
NO141212C (no) | 1980-01-30 |
JPS5141594B2 (fr) | 1976-11-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RE | Patent lapsed |
Owner name: SOCIETA ITALIANA RESINE SIR S.P.A. Effective date: 19900930 |