CA2084690A1 - Process for separation of hydrolyzable from non-hydrolyzable waste plastics for recovery of starting materials and other conversion processes, respectively - Google Patents

Process for separation of hydrolyzable from non-hydrolyzable waste plastics for recovery of starting materials and other conversion processes, respectively

Info

Publication number
CA2084690A1
CA2084690A1 CA 2084690 CA2084690A CA2084690A1 CA 2084690 A1 CA2084690 A1 CA 2084690A1 CA 2084690 CA2084690 CA 2084690 CA 2084690 A CA2084690 A CA 2084690A CA 2084690 A1 CA2084690 A1 CA 2084690A1
Authority
CA
Canada
Prior art keywords
hydrolyzable
polymers
hydrolyzable polymers
pet
starting materials
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.)
Abandoned
Application number
CA 2084690
Other languages
English (en)
French (fr)
Inventor
Ramzi Y. Saleh
William E. Wellman
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ExxonMobil Technology and Engineering Co
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2084690A1 publication Critical patent/CA2084690A1/en
Abandoned legal-status Critical Current

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
    • C08J11/10—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation
    • C08J11/14—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by treatment with steam or water
    • 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
    • C08J2367/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
    • C08J2367/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
    • 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)
  • Other Resins Obtained By Reactions Not Involving Carbon-To-Carbon Unsaturated Bonds (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
CA 2084690 1991-12-20 1992-12-07 Process for separation of hydrolyzable from non-hydrolyzable waste plastics for recovery of starting materials and other conversion processes, respectively Abandoned CA2084690A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/812,176 US5326791A (en) 1991-12-20 1991-12-20 Process for separation of hydrolyzable from non-hydrolyzable waste plastics for recovery of starting materials and other conversion processes, respectively
US812,176 1991-12-20

Publications (1)

Publication Number Publication Date
CA2084690A1 true CA2084690A1 (en) 1993-06-21

Family

ID=25208761

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2084690 Abandoned CA2084690A1 (en) 1991-12-20 1992-12-07 Process for separation of hydrolyzable from non-hydrolyzable waste plastics for recovery of starting materials and other conversion processes, respectively

Country Status (5)

Country Link
US (1) US5326791A (enExample)
EP (1) EP0549259A2 (enExample)
JP (1) JP3258403B2 (enExample)
CA (1) CA2084690A1 (enExample)
MY (1) MY110105A (enExample)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3659717B2 (ja) 1995-11-30 2005-06-15 株式会社神戸製鋼所 化学プラント内廃棄物の分解方法および装置
US6462230B1 (en) 1997-01-16 2002-10-08 Kabushiki Kaisha Kobe Seiko Sho Method of and apparatus for decomposing wastes
CN1101417C (zh) * 1997-01-20 2003-02-12 株式会社神户制钢所 废弃物的分解方法和装置
TW394749B (en) 1998-03-05 2000-06-21 Deng Jian Lang Method of manufacturing active carbon by using carbon black
JP2000159925A (ja) 1998-11-30 2000-06-13 Takeda Chem Ind Ltd ポリウレタン樹脂の分解回収設備
JP4004387B2 (ja) * 2002-11-14 2007-11-07 株式会社ジャムコ 非金属ハニカムパネルの分解方法
TW200536879A (en) * 2004-02-12 2005-11-16 Teijin Ltd Method for decomposing polycarbonate
PL1903026T3 (pl) 2005-07-12 2013-06-28 Kobe Steel Ltd Sposób rozkładania i odzyskiwania związku izocyjanianowego i urządzenie do jego rozkładania i odzyskiwania
KR101360777B1 (ko) * 2006-03-07 2014-02-11 닛토덴코 가부시키가이샤 에스테르 결합을 조성구조에 가지는 합성수지의 분해 재생 방법
JP2008195646A (ja) * 2007-02-13 2008-08-28 Teijin Chem Ltd ビスフェノール化合物の回収方法
JP5610383B2 (ja) * 2010-02-22 2014-10-22 地方独立行政法人山口県産業技術センター ポリオレフィン類を含む複合プラスチックの分離方法とその分離装置
CN101979422B (zh) * 2010-10-15 2012-02-22 济南大学 一种绿色高分子聚合物制备方法和应用
CN101967363B (zh) * 2010-10-15 2012-10-03 济南大学 一种异氰酸酯/pet水乳液胶粘剂及其制备方法和应用
EP4357397A4 (en) 2021-06-18 2025-04-09 UBE Corporation Separation/collection method for resin mixture
EP4474375A1 (en) * 2022-02-02 2024-12-11 Asahi Kasei Kabushiki Kaisha Method for producing dicarboxylic acid compound and/or diamine compound using polyamide as starting material

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2498398A (en) * 1946-04-03 1950-02-21 Goodrich Co B F Reclaiming composite material
US2571686A (en) * 1950-10-18 1951-10-16 Eastman Kodak Co Method of recovering cellulose ester film scrap
DE967601C (de) * 1955-03-29 1957-11-28 Continental Gummi Werke Ag Verfahren zur Wiedergewinnung von zu Kunststoffen vernetzbaren hoehermolekularen Spaltprodukten aus Abfaellen vernetzter stickstoffhaltiger Polykondensationsprodukte
US3083193A (en) * 1960-06-30 1963-03-26 Phillips Petroleum Co Pyrolysis of polyolefins in a water slurry
DE2442387C3 (de) * 1974-09-04 1981-09-10 Bayer Ag, 5090 Leverkusen Verfahren zur kontinuierlichen hydrolytischen Aufspaltung von hydrolysierbaren Kunststoffabfällen
US4439601A (en) * 1979-03-30 1984-03-27 Cosden Technology, Inc. Multiple stage devolatilization process for mass processable polymers
NL8101769A (nl) * 1981-04-10 1982-11-01 Stamicarbon Werkwijze voor het verwerken van kunststoffrakties uit huisvuil.
US4458064A (en) * 1982-02-19 1984-07-03 Celanese Corporation Process and apparatus for continual melt hydrolysis of acetal copolymers
US4424080A (en) * 1982-04-13 1984-01-03 Beringer Co., Inc. Process for hydrolysis removal of condensation polymer from various objects
US4801655A (en) * 1985-06-21 1989-01-31 Gould, Inc. Fiber optic pH sensor having low drift rate
US5169870A (en) * 1991-06-21 1992-12-08 Basf Corporation Reclaiming ε-caprolactam from nylon 6 carpet

Also Published As

Publication number Publication date
JP3258403B2 (ja) 2002-02-18
MY110105A (en) 1998-01-27
EP0549259A3 (enExample) 1994-02-02
JPH05271328A (ja) 1993-10-19
US5326791A (en) 1994-07-05
EP0549259A2 (en) 1993-06-30

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Legal Events

Date Code Title Description
EEER Examination request
FZDE Discontinued