GB786356A - Improvements in the manufacture of polytetramethylene terephthalate - Google Patents

Improvements in the manufacture of polytetramethylene terephthalate

Info

Publication number
GB786356A
GB786356A GB540055A GB540055A GB786356A GB 786356 A GB786356 A GB 786356A GB 540055 A GB540055 A GB 540055A GB 540055 A GB540055 A GB 540055A GB 786356 A GB786356 A GB 786356A
Authority
GB
United Kingdom
Prior art keywords
terephthalate
ester
interchange
catalyst
litharge
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
GB540055A
Other languages
English (en)
Inventor
William Robert Burton
Norman Standring
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.)
Imperial Chemical Industries Ltd
Original Assignee
Imperial Chemical Industries Ltd
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
Priority to BE545499D priority Critical patent/BE545499A/xx
Application filed by Imperial Chemical Industries Ltd filed Critical Imperial Chemical Industries Ltd
Priority to GB540055A priority patent/GB786356A/en
Priority to FR1148553D priority patent/FR1148553A/fr
Publication of GB786356A publication Critical patent/GB786356A/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
    • C08G63/83—Alkali metals, alkaline earth metals, beryllium, magnesium, copper, silver, gold, zinc, cadmium, mercury, manganese, or compounds thereof
    • 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
    • C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
    • C08G63/12—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from polycarboxylic acids and polyhydroxy compounds
    • C08G63/16—Dicarboxylic acids and dihydroxy compounds
    • C08G63/18—Dicarboxylic acids and dihydroxy compounds the acids or hydroxy compounds containing carbocyclic rings
    • C08G63/181—Acids containing aromatic rings
    • C08G63/183—Terephthalic acids
    • 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
    • C08G63/85—Germanium, tin, lead, arsenic, antimony, bismuth, titanium, zirconium, hafnium, vanadium, niobium, tantalum, or compounds thereof

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)
GB540055A 1955-02-23 1955-02-23 Improvements in the manufacture of polytetramethylene terephthalate Expired GB786356A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
BE545499D BE545499A (https=) 1955-02-23
GB540055A GB786356A (en) 1955-02-23 1955-02-23 Improvements in the manufacture of polytetramethylene terephthalate
FR1148553D FR1148553A (fr) 1955-02-23 1956-02-10 Fabrication de polytéréphtalate de tétraméthylène

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB540055A GB786356A (en) 1955-02-23 1955-02-23 Improvements in the manufacture of polytetramethylene terephthalate

Publications (1)

Publication Number Publication Date
GB786356A true GB786356A (en) 1957-11-13

Family

ID=9795454

Family Applications (1)

Application Number Title Priority Date Filing Date
GB540055A Expired GB786356A (en) 1955-02-23 1955-02-23 Improvements in the manufacture of polytetramethylene terephthalate

Country Status (3)

Country Link
BE (1) BE545499A (https=)
FR (1) FR1148553A (https=)
GB (1) GB786356A (https=)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4923835B1 (https=) * 1969-12-05 1974-06-18
WO2009000378A1 (de) * 2007-06-22 2008-12-31 Merck Patent Gmbh Härtungskatalysator

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3635899A (en) * 1969-09-04 1972-01-18 Fiber Industries Inc Polyesterification of 1 4- and 1 5-diols

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4923835B1 (https=) * 1969-12-05 1974-06-18
WO2009000378A1 (de) * 2007-06-22 2008-12-31 Merck Patent Gmbh Härtungskatalysator

Also Published As

Publication number Publication date
FR1148553A (fr) 1957-12-11
BE545499A (https=)

Similar Documents

Publication Publication Date Title
GB1453428A (en) Dihydroxy sulphonates containing ether structures
JPS5225898A (en) Process for producing copolyesters
Penner Interpersonal attraction toward a black person as a function of value importance.
GB786356A (en) Improvements in the manufacture of polytetramethylene terephthalate
GB765597A (en) Polytetramethylene terephthalate
GB783814A (en) Manufacture of highly polymeric polymethylene terephthalates
GB742196A (en) Improvements in the manufacture of highly polymeric polymethylene terephthalates
GB775316A (en) Polyglycol terephthalates and isophthalates
GB788880A (en) Manufacture of highly polymeric polymethylene terephthalates
GB933967A (en) Improvements in or relating to the production of polyethylene terephthalate
IE42052L (en) Acylated orgotein
ES346403A1 (es) Un procedimiento para la preparacion de una resina de te- reftalato de polietileno formadora de filamentos.
CA486735A (en) Oxidation of ethylene to ethylene oxide in the presence of carbon dioxide
GB1201813A (en) Improvements in or relating to the production of linear polyalkylene terephthalates
GB922937A (en) Improvements in or relating to the production of polyethylene terephthalate
CA530950A (en) Method of polycondensation of diol esters of aromatic dicarboxylic acids, especially those of terephthalic acid
GB924524A (en) Improvements in or relating to the production of polyethylene terephthalate
ES410787A1 (es) Un procedimiento para la preparacion de un elastomero de copoliester termoplastico segmentado.
CA554876A (en) Manufacture of linear polyesters from a preformed polymer, a free dicarboxylic acid and a cyclic glycol carbonate
CA531287A (en) Polyesters
GB1067084A (en) Process for the production of dioxocyclobutene diol
GB851244A (en) Highly polymeric polymethylene terephthalates
GB922936A (en) Improvements in or relating to the production of polyethylene terephthalate
GB933966A (en) Improvements in or relating to the production of polyethylene terephthalate
GB1246675A (en) Improvements in or relating to catalysts for the preparation of homopolymers of ethylene terephthalate