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IL38495A - The recovery of vinyl chloride polymer compositions from scrap plastics - Google Patents

The recovery of vinyl chloride polymer compositions from scrap plastics

Info

Publication number
IL38495A
IL38495A IL38495A IL3849572A IL38495A IL 38495 A IL38495 A IL 38495A IL 38495 A IL38495 A IL 38495A IL 3849572 A IL3849572 A IL 3849572A IL 38495 A IL38495 A IL 38495A
Authority
IL
Israel
Prior art keywords
vinyl chloride
resulting
chloride polymer
solvent
polymer composition
Prior art date
Application number
IL38495A
Other versions
IL38495A0 (en
Original Assignee
Hafner Industries
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 Hafner Industries filed Critical Hafner Industries
Publication of IL38495A0 publication Critical patent/IL38495A0/en
Publication of IL38495A publication Critical patent/IL38495A/en

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
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/582—Recycling of unreacted starting or intermediate materials
    • 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)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)

Claims (1)

1. 8 CLAIMS A process recovering a reusable chloride polymer composition as scrap plastic resulting from the manufacture of articles from a vinyl chloride polymer composition a plasticizer tion which comprises the steps contacting scrap plastic with a solvent said vinyl chloride to form a single liquid contacting the resulting liquid phase with a substantially for said chloride said being e dissolve said and separating the resulting solid phase containing said vinyl chloride polymer composition to leave a liquid phase training said said solvent and solvent being mutually The process of 1 wherein insoluble materials removed step by process of claim 1 wherein insoluble materials are removed before ste by of claim 1 wherein materials are removed before step b The process of claim 1 wherein said solven methylethyl methylisobutyl or dimethyl the is o an aaeotrope o methylethyl ketone and The process of claim 1 wherein the solven heated addition to the scrap plastic and is capable of dissolving about of its weight of said vinyl The process claim 1 wherein the amount of is about by weight of amoun of The process of claim 1 wherein said is added to said liquid phase with vigorous agitation and while said liquid phase is at an elevated The process of claim 1 including the step of fractionally dlstllHng the liquid phase resulting from step to seperate said and to recover solvent and The process of claim 1 including the steps of washing and drying the vinyl chloride composition ting from step A process according to anyone of claims 1 to separating a reusable vinyl chloride polyme and a reusable plaeticizer composition said vinyl chloride from scrap plastic resulting from the manufacture of articles from a vinyl chloride polymer composition and a plast sser composition which comprises the steps contacting said scrap plastic with a hot solvent for said vinyl chloride filtering the resulting mixture to remove materials and to leave a first liquid adding to said first liquid agitation and while said phase is at an elevated a for said vinyl chloride said being effective to dissolve said plastlcizer separating the resulting solid phase containing said vinyl chloride polymer composition to leave a second liquid and distilling said second liquid phase to separate and recover said solvent and and to leave said reusable plastlclsser wherein said is substantially and said solvent and are mutually The process of claim U wherein the filtrate resulting from step is concentrated before step process of claim 1 wherein said vinyl chloride polymer composition includes pigment and filler and said plasticizer composition includes stabilizer and The process of claim 1 wherein said scrap includes a fabric A process for recovering a reusalbe vinyl chloride polymer compositio from scrap plastic resulting from the of articles from vinyl chloride substantially as herein described and recovered vinyl chloride polymer composition produced by a process according to any one of Claims 1 to The plasticizer composition produced by the process of claim insufficientOCRQuality
IL38495A 1971-01-13 1972-01-03 The recovery of vinyl chloride polymer compositions from scrap plastics IL38495A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10618371A 1971-01-13 1971-01-13

Publications (2)

Publication Number Publication Date
IL38495A0 IL38495A0 (en) 1972-03-28
IL38495A true IL38495A (en) 1976-04-30

Family

ID=22309968

Family Applications (1)

Application Number Title Priority Date Filing Date
IL38495A IL38495A (en) 1971-01-13 1972-01-03 The recovery of vinyl chloride polymer compositions from scrap plastics

Country Status (7)

Country Link
JP (1) JPS5536489B1 (en)
CA (1) CA980949A (en)
ES (1) ES398817A1 (en)
FR (1) FR2122195A5 (en)
GB (1) GB1372452A (en)
IL (1) IL38495A (en)
IT (1) IT948208B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2776664B1 (en) * 1998-03-26 2000-09-15 Ferrari S Tissage & Enduct Sa PROCESS FOR RECYCLING ARTICLES BASED ON VINYL CHLORIDE POLYMERS
FR2776663A1 (en) * 1998-03-26 1999-10-01 Solvay Method for recycling polymers based on vinyl chloride
FR2833267A1 (en) * 2001-12-11 2003-06-13 Solvay A method of recovering a polymer from a solution in a solvent also containing a heavy liquid by adding a non-solvent, spraying into droplets and evaporating the solvent using a gas such as water vapor
CN113736136A (en) * 2020-05-27 2021-12-03 中国石油化工股份有限公司 Method and device for treating and recycling chlorine-containing plastics by using solvent

Also Published As

Publication number Publication date
FR2122195A5 (en) 1972-08-25
DE2201101A1 (en) 1972-08-03
IL38495A0 (en) 1972-03-28
CA980949A (en) 1975-12-30
DE2201101B2 (en) 1977-01-20
IT948208B (en) 1973-05-30
ES398817A1 (en) 1975-06-16
GB1372452A (en) 1974-10-30
JPS5536489B1 (en) 1980-09-20

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