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 vinyle

Info

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
Application number
BE159722A
Other languages
English (en)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Publication of BE833041A publication Critical patent/BE833041A/fr

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)
BE159722A 1974-09-10 1975-09-03 Procede pour nettoyer les reacteurs de polymerisation et de copolymerisation du chlorure de vinyle BE833041A (fr)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

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