IT1021234B - Procedimento per la pulizia dei reattori di polimerizzazione e copolimerizzazione del cloruro di vinile - Google Patents

Procedimento per la pulizia dei reattori di polimerizzazione e copolimerizzazione del cloruro di vinile

Info

Publication number
IT1021234B
IT1021234B IT2711874A IT2711874A IT1021234B IT 1021234 B IT1021234 B IT 1021234B IT 2711874 A IT2711874 A IT 2711874A IT 2711874 A IT2711874 A IT 2711874A IT 1021234 B IT1021234 B IT 1021234B
Authority
IT
Italy
Prior art keywords
copolymerization
cleaning
procedure
vinyl chloride
polymerization reactors
Prior art date
Application number
IT2711874A
Other languages
English (en)
Inventor
A Bigliani
F Testa
Original Assignee
Sir Soc Italiana Resine Spa
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 by Sir Soc Italiana Resine Spa filed Critical Sir Soc Italiana Resine Spa
Priority to IT2711874A priority Critical patent/IT1021234B/it
Priority to GB3262275A priority patent/GB1494654A/en
Priority to AU83716/75A priority patent/AU478844B2/en
Priority to US05/603,395 priority patent/US3997360A/en
Priority to JP10250875A priority patent/JPS5141594B2/ja
Priority to BE159722A priority patent/BE833041A/xx
Priority to SE7510023A priority patent/SE410107B/xx
Priority to NL7510638A priority patent/NL180916C/xx
Priority to NO753073A priority patent/NO141212C/no
Priority to FR7527635A priority patent/FR2284617A1/fr
Priority to ES440819A priority patent/ES440819A1/es
Priority to DE2540328A priority patent/DE2540328C2/de
Application granted granted Critical
Publication of IT1021234B publication Critical patent/IT1021234B/it

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)
  • Polymers & Plastics (AREA)
  • Health & Medical Sciences (AREA)
  • Sustainable Development (AREA)
  • Medicinal Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (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)
IT2711874A 1974-09-10 1974-09-10 Procedimento per la pulizia dei reattori di polimerizzazione e copolimerizzazione del cloruro di vinile IT1021234B (it)

Priority Applications (12)

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
GB3262275A GB1494654A (en) 1974-09-10 1975-08-05 Process for cleaning reactors used in the polymerisation of vinyl chloride
AU83716/75A AU478844B2 (en) 1975-08-06 Process forthe cleansing ofthe reactors forthe polymerization and copolymerization of vinyl chloride
US05/603,395 US3997360A (en) 1974-09-10 1975-08-11 Process for cleaning vinyl chloride polymerization reactors
JP10250875A JPS5141594B2 (it) 1974-09-10 1975-08-23
BE159722A BE833041A (fr) 1974-09-10 1975-09-03 Procede pour nettoyer les reacteurs de polymerisation et de copolymerisation du chlorure de vinyle
SE7510023A SE410107B (sv) 1974-09-10 1975-09-09 Sett att rengora reaktionskerl for polymerisation av vinylklorid
NL7510638A NL180916C (nl) 1974-09-10 1975-09-09 Werkwijze voor het reinigen van reaktoren bestemd voor de polymerisatie en copolymerisatie van vinylchloride.
NO753073A NO141212C (no) 1974-09-10 1975-09-09 Fremgangsmaate for rensing av reaktorer for polymerisering og copolymerisering av vinylklorid
FR7527635A FR2284617A1 (fr) 1974-09-10 1975-09-09 Procede pour nettoyer les reacteurs de polymerisation et de copolymerisation du chlorure de vinyle
ES440819A ES440819A1 (es) 1974-09-10 1975-09-09 Un procedimiento para la limpieza de reactores.
DE2540328A DE2540328C2 (de) 1974-09-10 1975-09-10 Verfahren zur Reinigung von Reaktoren für die Polymerisation und die Mischpolymerisation von Vinylchlorid

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
IT1021234B true IT1021234B (it) 1978-01-30

Family

ID=11220990

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2711874A IT1021234B (it) 1974-09-10 1974-09-10 Procedimento per la pulizia dei reattori di polimerizzazione e copolimerizzazione del cloruro di vinile

Country Status (11)

Country Link
US (1) US3997360A (it)
JP (1) JPS5141594B2 (it)
BE (1) BE833041A (it)
DE (1) DE2540328C2 (it)
ES (1) ES440819A1 (it)
FR (1) FR2284617A1 (it)
GB (1) GB1494654A (it)
IT (1) IT1021234B (it)
NL (1) NL180916C (it)
NO (1) NO141212C (it)
SE (1) SE410107B (it)

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 (it) * 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
JPS5141594B2 (it) 1976-11-10
SE7510023L (sv) 1976-03-11
GB1494654A (en) 1977-12-07
NO141212B (no) 1979-10-22
AU8371675A (en) 1976-12-16
FR2284617B1 (it) 1978-04-07
NL180916C (nl) 1987-05-18
DE2540328C2 (de) 1987-03-05
NO753073L (it) 1976-03-11
US3997360A (en) 1976-12-14
ES440819A1 (es) 1977-03-01
FR2284617A1 (fr) 1976-04-09
DE2540328A1 (de) 1976-04-01
BE833041A (fr) 1975-12-31
JPS5150885A (it) 1976-05-04
NO141212C (no) 1980-01-30
NL7510638A (nl) 1976-03-12
SE410107B (sv) 1979-09-24

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