GB1246675A - Improvements in or relating to catalysts for the preparation of homopolymers of ethylene terephthalate - Google Patents

Improvements in or relating to catalysts for the preparation of homopolymers of ethylene terephthalate

Info

Publication number
GB1246675A
GB1246675A GB4756468A GB4756468A GB1246675A GB 1246675 A GB1246675 A GB 1246675A GB 4756468 A GB4756468 A GB 4756468A GB 4756468 A GB4756468 A GB 4756468A GB 1246675 A GB1246675 A GB 1246675A
Authority
GB
United Kingdom
Prior art keywords
catalysts
homopolymers
relating
preparation
ethylene terephthalate
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.)
Expired
Application number
GB4756468A
Inventor
Francesco Siclari
Edgardo Horak
Giuseppe Messina
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.)
SNIA Viscosa SpA
Original Assignee
SNIA Viscosa SpA
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 SNIA Viscosa SpA filed Critical SNIA Viscosa SpA
Publication of GB1246675A publication Critical patent/GB1246675A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
    • C08G63/78—Preparation processes
    • C08G63/82—Preparation processes characterised by the catalyst used
    • C08G63/826—Metals not provided for in groups C08G63/83 - C08G63/86
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
    • C08G63/78—Preparation processes
    • C08G63/82—Preparation 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)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

1,246,675. Catalysts for polyethylene terephhalate. SNIA VISCOSA SOCIETA NAZIONALE INDUSTRIA APPLICAZIONI VISCOSA S.p.A. 8 Oct., 1968 [11 Oct., 1967], No. 47564/68. Heading B1E. [Also in Division C3] A catalyst for the production of polyethylene terephthalate comprises cobalt (II) oxide and any known polycondensation catalyst (other than germanium dioxide) such as antimony trioxide or antimony acetate.
GB4756468A 1967-10-11 1968-10-08 Improvements in or relating to catalysts for the preparation of homopolymers of ethylene terephthalate Expired GB1246675A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2149167 1967-10-11

Publications (1)

Publication Number Publication Date
GB1246675A true GB1246675A (en) 1971-09-15

Family

ID=11182588

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4756468A Expired GB1246675A (en) 1967-10-11 1968-10-08 Improvements in or relating to catalysts for the preparation of homopolymers of ethylene terephthalate

Country Status (3)

Country Link
DE (1) DE1802691A1 (en)
GB (1) GB1246675A (en)
NL (1) NL6716865A (en)

Also Published As

Publication number Publication date
NL6716865A (en) 1969-04-15
DE1802691A1 (en) 1970-02-19

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