IL11048A - Improvements in or relating to the treatment of polystyrenes - Google Patents

Improvements in or relating to the treatment of polystyrenes

Info

Publication number
IL11048A
IL11048A IL11048DA IL11048A IL 11048 A IL11048 A IL 11048A IL 11048D A IL11048D A IL 11048DA IL 11048 A IL11048 A IL 11048A
Authority
IL
Israel
Prior art keywords
process according
controlling agent
polystyrene
controlling
depolymerization
Prior art date
Application number
Other languages
English (en)
Original Assignee
Montecatini Societa Generale Per L'industria Mineraria E Chimica
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.)
Publication of IL11048A publication Critical patent/IL11048A/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F8/00—Chemical modification by after-treatment
    • C08F8/50—Partial depolymerisation
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F2810/00—Chemical modification of a polymer
    • C08F2810/10—Chemical modification of a polymer including a reactive processing step which leads, inter alia, to morphological and/or rheological modifications, e.g. visbreaking
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S260/00—Chemistry of carbon compounds
    • Y10S260/43—Promoting degradability of polymers

Landscapes

  • Chemical & Material Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Polymerisation Methods In General (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
IL11048D 1957-01-29 Improvements in or relating to the treatment of polystyrenes IL11048A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT880099X 1957-01-29

Publications (1)

Publication Number Publication Date
IL11048A true IL11048A (en)

Family

ID=11331008

Family Applications (1)

Application Number Title Priority Date Filing Date
IL11048D IL11048A (en) 1957-01-29 Improvements in or relating to the treatment of polystyrenes

Country Status (10)

Country Link
US (1) US3143536A (fr)
BE (1) BE564316A (fr)
DE (1) DE1081671B (fr)
FR (1) FR1200169A (fr)
GB (1) GB880099A (fr)
IE (1) IE23362B1 (fr)
IL (1) IL11048A (fr)
IT (1) IT580901A (fr)
LU (1) LU35738A1 (fr)
NZ (1) NZ120429A (fr)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3300462A (en) * 1957-01-29 1967-01-24 Montedison Spa Process for the depolymerization of styrene polymers
BE631667A (fr) * 1962-05-02
NL297632A (fr) * 1962-09-10 1900-01-01
US3424822A (en) * 1966-07-21 1969-01-28 Chevron Res Alkali metal catalyzed styrene depolymerization
GB1356107A (en) * 1970-07-22 1974-06-12 Scott G Polymer compositions
US4360606A (en) * 1972-10-26 1982-11-23 Owens-Illinois, Inc. Photo-degradable polymer compositions
JP2003072329A (ja) * 2001-09-04 2003-03-12 Yokohama Rubber Co Ltd:The 空気入りタイヤ及びその製造方法
CA3129563C (fr) 2013-01-17 2024-03-26 Greenmantra Recycling Technologies Ltd. Depolymerisation catalytique de matieres polymeres
US10472487B2 (en) 2015-12-30 2019-11-12 Greenmantra Recycling Technologies Ltd. Reactor for continuously treating polymeric material
WO2017139333A1 (fr) 2016-02-09 2017-08-17 Sun Chemical Corporation Polystyrène de poids moléculaire élevé dans des encres et des revêtements
US11306216B2 (en) 2016-02-09 2022-04-19 Sun Chemical Corporation High molecular weight polystyrene in inks and coatings
EP3414302B1 (fr) 2016-02-13 2022-06-22 GreenMantra Recycling Technologies Ltd Asphalte modifié avec un polymère possédant un additif cireux
WO2017161463A1 (fr) 2016-03-24 2017-09-28 Greenmantra Recycling Technologies Ltd. Cire utilisée en tant que modificateur d'écoulement à l'état fondu et auxiliaire de traitement pour des polymères
EP3519487A4 (fr) 2016-09-29 2020-07-29 GreenMantra Recycling Technologies Ltd Réacteur pour le traitement de matériau de polystyrène
US10723858B2 (en) 2018-09-18 2020-07-28 Greenmantra Recycling Technologies Ltd. Method for purification of depolymerized polymers using supercritical fluid extraction

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2430993A (en) * 1944-03-03 1947-11-18 Standard Oil Dev Co Plasticizing polyisobutylene utilizing benzoyl peroxide
US2549538A (en) * 1945-08-25 1951-04-17 Standard Oil Dev Co Method for depolymerizing polystyrene
NL92954C (fr) * 1954-12-16

Also Published As

Publication number Publication date
IE23362L (en) 1958-07-29
LU35738A1 (fr)
IT580901A (fr)
GB880099A (en) 1961-10-18
FR1200169A (fr) 1959-12-18
US3143536A (en) 1964-08-04
NZ120429A (fr)
BE564316A (fr)
IE23362B1 (en) 1962-05-16
DE1081671B (de) 1960-05-12

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