BE579538A - - Google Patents

Info

Publication number
BE579538A
BE579538A BE579538DA BE579538A BE 579538 A BE579538 A BE 579538A BE 579538D A BE579538D A BE 579538DA BE 579538 A BE579538 A BE 579538A
Authority
BE
Belgium
Prior art keywords
magnesium compound
transesterification
emi
polymerization
terephthalate
Prior art date
Application number
Other languages
English (en)
French (fr)
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 filed Critical
Publication of BE579538A publication Critical patent/BE579538A/fr

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G63/00Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
    • C08G63/78Preparation processes
    • C08G63/82Preparation processes characterised by the catalyst used
    • C08G63/83Alkali metals, alkaline earth metals, beryllium, magnesium, copper, silver, gold, zinc, cadmium, mercury, manganese, or compounds thereof
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G63/00Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
    • C08G63/78Preparation processes
    • C08G63/82Preparation processes characterised by the catalyst used
    • C08G63/85Germanium, tin, lead, arsenic, antimony, bismuth, titanium, zirconium, hafnium, vanadium, niobium, tantalum, or compounds thereof
    • C08G63/86Germanium, antimony, or compounds thereof
    • C08G63/866Antimony or compounds thereof
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G63/00Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
    • C08G63/78Preparation processes
    • C08G63/82Preparation processes characterised by the catalyst used

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polyesters Or Polycarbonates (AREA)
BE579538D 1958-06-13 1959-06-10 BE579538A (cs)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1227089X 1958-06-13

Publications (1)

Publication Number Publication Date
BE579538A true BE579538A (cs) 1959-12-10

Family

ID=10884147

Family Applications (1)

Application Number Title Priority Date Filing Date
BE579538D BE579538A (cs) 1958-06-13 1959-06-10

Country Status (3)

Country Link
BE (1) BE579538A (cs)
DE (1) DE1420527A1 (cs)
FR (1) FR1227089A (cs)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4504401A1 (de) * 2022-04-04 2025-02-12 Evonik Operations GmbH Verbessertes verfahren zur depolymerisierung von polyethylenterephthalat
KR20240171092A (ko) * 2022-04-04 2024-12-06 에보닉 오퍼레이션스 게엠베하 폴리에틸렌 테레프탈레이트의 개선된 탈중합 방법

Also Published As

Publication number Publication date
FR1227089A (fr) 1960-08-18
DE1420527A1 (de) 1968-10-10

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