SG98400A1 - Method for recovering styrene monomer from impact-resistant polystyrene - Google Patents

Method for recovering styrene monomer from impact-resistant polystyrene

Info

Publication number
SG98400A1
SG98400A1 SG200002881A SG200002881A SG98400A1 SG 98400 A1 SG98400 A1 SG 98400A1 SG 200002881 A SG200002881 A SG 200002881A SG 200002881 A SG200002881 A SG 200002881A SG 98400 A1 SG98400 A1 SG 98400A1
Authority
SG
Singapore
Prior art keywords
impact
styrene monomer
resistant polystyrene
recovering styrene
recovering
Prior art date
Application number
SG200002881A
Inventor
Sato Takumi
Masunari Mitsuo
Original Assignee
San Kaihatsu Kabushiki Kaisha
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 San Kaihatsu Kabushiki Kaisha filed Critical San Kaihatsu Kabushiki Kaisha
Publication of SG98400A1 publication Critical patent/SG98400A1/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
    • B01J27/02—Sulfur, selenium or tellurium; Compounds thereof
    • B01J27/053—Sulfates
    • 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
    • C08J11/16—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 inorganic material
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C4/00—Preparation of hydrocarbons from hydrocarbons containing a larger number of carbon atoms
    • C07C4/22—Preparation of hydrocarbons from hydrocarbons containing a larger number of carbon atoms by depolymerisation to the original monomer, e.g. dicyclopentadiene to cyclopentadiene
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2523/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00
    • C07C2523/16—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • C07C2523/32—Manganese, technetium or rhenium
    • C07C2523/34—Manganese
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2527/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
    • C07C2527/02—Sulfur, selenium or tellurium; Compounds thereof
    • C07C2527/053—Sulfates or other compounds comprising the anion (SnO3n+1)2-

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Polymers & Plastics (AREA)
  • Medicinal Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Sustainable Development (AREA)
  • Materials Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
SG200002881A 2000-04-06 2000-05-25 Method for recovering styrene monomer from impact-resistant polystyrene SG98400A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2000105519A JP2001288124A (en) 2000-04-06 2000-04-06 Method for recovering styrene monomer from impact- resistant polystyrene

Publications (1)

Publication Number Publication Date
SG98400A1 true SG98400A1 (en) 2003-09-19

Family

ID=18618848

Family Applications (1)

Application Number Title Priority Date Filing Date
SG200002881A SG98400A1 (en) 2000-04-06 2000-05-25 Method for recovering styrene monomer from impact-resistant polystyrene

Country Status (7)

Country Link
JP (1) JP2001288124A (en)
KR (1) KR20010096422A (en)
CN (1) CN1316408A (en)
DE (1) DE10031643A1 (en)
GB (1) GB2365871A (en)
HK (1) HK1043105A1 (en)
SG (1) SG98400A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100549863B1 (en) * 1998-12-18 2006-03-23 재단법인 포항산업과학연구원 Process for recovering generated oil by pyrolysis of waste plastic using manganese dioxide
KR20020023472A (en) * 2000-09-22 2002-03-29 손재익 Catalyst for recycle of monomer from disused plastic of polyethylene origin
KR100468047B1 (en) * 2002-04-12 2005-01-24 한국화학연구원 Recovering method of styrene monomer from waste polystyrene
KR101412409B1 (en) * 2012-07-10 2014-06-27 김윤섭 Polymer adsorbent using by waster source of by-product of polystyrene and the manufacturing method thereof
WO2014040634A1 (en) 2012-09-14 2014-03-20 Outotec Oyj Method and apparatus for recycling plastic wastes
CN112295386B (en) * 2019-08-02 2022-06-14 中国石油化工股份有限公司 Activating agent for manganese dioxide generated in styrene waste gas treatment and application thereof
IT202100031142A1 (en) * 2021-12-13 2023-06-13 Quantumkore Innovation Inc Pyrolysis plant and process of waste material

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2228493A (en) * 1989-02-17 1990-08-29 Guangdong International Econom A method for recovering styrene monomer from discarded polystyrene scrap through pyrolytic reduction
US5406010A (en) * 1993-01-28 1995-04-11 Ponsford; Thomas E. Method of reclaiming styrene and other products from polystyrene based products
JPH0873647A (en) * 1994-08-31 1996-03-19 Shizuoka Univ Method for recovering styrene from polystyrene

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62164635A (en) * 1986-01-14 1987-07-21 Mitsui Petrochem Ind Ltd Recovery of useful substances from phenol distillation residue

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2228493A (en) * 1989-02-17 1990-08-29 Guangdong International Econom A method for recovering styrene monomer from discarded polystyrene scrap through pyrolytic reduction
US5406010A (en) * 1993-01-28 1995-04-11 Ponsford; Thomas E. Method of reclaiming styrene and other products from polystyrene based products
JPH0873647A (en) * 1994-08-31 1996-03-19 Shizuoka Univ Method for recovering styrene from polystyrene

Also Published As

Publication number Publication date
DE10031643A1 (en) 2001-10-11
HK1043105A1 (en) 2002-09-06
GB0012188D0 (en) 2000-07-12
KR20010096422A (en) 2001-11-07
CN1316408A (en) 2001-10-10
JP2001288124A (en) 2001-10-16
GB2365871A (en) 2002-02-27

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