GB1371622A - Polycondensation catalyst - Google Patents

Polycondensation catalyst

Info

Publication number
GB1371622A
GB1371622A GB345371A GB345371A GB1371622A GB 1371622 A GB1371622 A GB 1371622A GB 345371 A GB345371 A GB 345371A GB 345371 A GB345371 A GB 345371A GB 1371622 A GB1371622 A GB 1371622A
Authority
GB
United Kingdom
Prior art keywords
polycondensation catalyst
catalysts
courtaulds
germanate
heading
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
GB345371A
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.)
Akzo Nobel UK PLC
Original Assignee
Courtaulds PLC
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 Courtaulds PLC filed Critical Courtaulds PLC
Priority to GB345371A priority Critical patent/GB1371622A/en
Publication of GB1371622A publication Critical patent/GB1371622A/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
    • C08G63/85—Germanium, tin, lead, arsenic, antimony, bismuth, titanium, zirconium, hafnium, vanadium, niobium, tantalum, or compounds thereof
    • C08G63/86—Germanium, antimony, or compounds thereof
    • C08G63/863—Germanium 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)

Abstract

1371622 Polycondensation catalysts COURTAULDS Ltd 16 Feb 1972 [29 Jan 1971] 3453/71 Heading B1E [Also in Division C3] Catalysts comprise ammonium hydrogen germanate (NH 4 H 3 Ge 2 O 6 ) and germanium dioxide, preferably dissolved in ethylene glycol.
GB345371A 1972-02-16 1972-02-16 Polycondensation catalyst Expired GB1371622A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB345371A GB1371622A (en) 1972-02-16 1972-02-16 Polycondensation catalyst

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB345371A GB1371622A (en) 1972-02-16 1972-02-16 Polycondensation catalyst

Publications (1)

Publication Number Publication Date
GB1371622A true GB1371622A (en) 1974-10-23

Family

ID=9758614

Family Applications (1)

Application Number Title Priority Date Filing Date
GB345371A Expired GB1371622A (en) 1972-02-16 1972-02-16 Polycondensation catalyst

Country Status (1)

Country Link
GB (1) GB1371622A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1156069A1 (en) * 1999-10-19 2001-11-21 Aies Co., Ltd. Method of polymerizing deionized bis-beta-hydroxyethyl terephthalate

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1156069A1 (en) * 1999-10-19 2001-11-21 Aies Co., Ltd. Method of polymerizing deionized bis-beta-hydroxyethyl terephthalate
EP1156069A4 (en) * 1999-10-19 2003-06-18 Aies Co Ltd Method of polymerizing deionized bis-beta-hydroxyethyl terephthalate
AU764147B2 (en) * 1999-10-19 2003-08-14 Pet Rebirth Co., Ltd. Method of polymerizing deionized bis-beta-hydroxyethyl terephthalate

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee