ES361393A1 - Procedimiento para la preparacion de poliesteres. - Google Patents

Procedimiento para la preparacion de poliesteres.

Info

Publication number
ES361393A1
ES361393A1 ES361393A ES361393A ES361393A1 ES 361393 A1 ES361393 A1 ES 361393A1 ES 361393 A ES361393 A ES 361393A ES 361393 A ES361393 A ES 361393A ES 361393 A1 ES361393 A1 ES 361393A1
Authority
ES
Spain
Prior art keywords
polyesters
catalyst
bis
ethylene glycol
alkaline earth
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
ES361393A
Other languages
English (en)
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.)
Sandoz AG
Original Assignee
Sandoz AG
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 claimed from AT1136667A external-priority patent/AT279175B/de
Priority claimed from AT303468A external-priority patent/AT289392B/de
Application filed by Sandoz AG filed Critical Sandoz AG
Publication of ES361393A1 publication Critical patent/ES361393A1/es
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
    • 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

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)
ES361393A 1967-12-15 1968-12-13 Procedimiento para la preparacion de poliesteres. Expired ES361393A1 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT1136667A AT279175B (de) 1967-12-15 1967-12-15 Verfahren zur Herstellung von Polyestern und Copolyestern
AT303468A AT289392B (de) 1968-03-28 1968-03-28 Verfahren zur Herstellung von Polyestern und Copolyestern

Publications (1)

Publication Number Publication Date
ES361393A1 true ES361393A1 (es) 1970-11-01

Family

ID=25599470

Family Applications (1)

Application Number Title Priority Date Filing Date
ES361393A Expired ES361393A1 (es) 1967-12-15 1968-12-13 Procedimiento para la preparacion de poliesteres.

Country Status (7)

Country Link
BE (1) BE725464A (es)
CH (1) CH510072A (es)
DE (1) DE1812334A1 (es)
ES (1) ES361393A1 (es)
FR (1) FR1597795A (es)
GB (1) GB1236479A (es)
NL (1) NL6817824A (es)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111514876B (zh) * 2019-02-02 2023-06-02 航天长征化学工程股份有限公司 用于乙二醇制备所用的催化剂和其应用

Also Published As

Publication number Publication date
NL6817824A (es) 1969-06-17
BE725464A (es) 1969-05-16
FR1597795A (es) 1970-06-29
CH510072A (de) 1971-07-15
GB1236479A (en) 1971-06-23
DE1812334A1 (de) 1969-07-10

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