DE1953706C3 - Verfahren zur Herstellung von Polyestern - Google Patents

Verfahren zur Herstellung von Polyestern

Info

Publication number
DE1953706C3
DE1953706C3 DE1953706A DE1953706A DE1953706C3 DE 1953706 C3 DE1953706 C3 DE 1953706C3 DE 1953706 A DE1953706 A DE 1953706A DE 1953706 A DE1953706 A DE 1953706A DE 1953706 C3 DE1953706 C3 DE 1953706C3
Authority
DE
Germany
Prior art keywords
titanium
reaction
titanium hydride
polymer
polycondensation
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
DE1953706A
Other languages
German (de)
English (en)
Other versions
DE1953706A1 (de
DE1953706B2 (de
Inventor
Yoshido Itabashi
Susumu Saito
Masao Seki
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.)
Kanebo Ltd
Original Assignee
Kanebo 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
Application filed by Kanebo Ltd filed Critical Kanebo Ltd
Publication of DE1953706A1 publication Critical patent/DE1953706A1/de
Publication of DE1953706B2 publication Critical patent/DE1953706B2/de
Application granted granted Critical
Publication of DE1953706C3 publication Critical patent/DE1953706C3/de
Expired legal-status Critical Current

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
    • C08G63/85Germanium, tin, lead, arsenic, antimony, bismuth, titanium, zirconium, hafnium, vanadium, niobium, tantalum, 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)
DE1953706A 1968-10-25 1969-10-24 Verfahren zur Herstellung von Polyestern Expired DE1953706C3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP7812268 1968-10-25
JP7812368 1968-10-25

Publications (3)

Publication Number Publication Date
DE1953706A1 DE1953706A1 (de) 1970-05-14
DE1953706B2 DE1953706B2 (de) 1978-03-02
DE1953706C3 true DE1953706C3 (de) 1978-10-26

Family

ID=26419200

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1953706A Expired DE1953706C3 (de) 1968-10-25 1969-10-24 Verfahren zur Herstellung von Polyestern

Country Status (4)

Country Link
US (1) US3781245A (enExample)
DE (1) DE1953706C3 (enExample)
FR (1) FR2021615A1 (enExample)
GB (1) GB1283247A (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4260735A (en) * 1980-02-12 1981-04-07 Allied Chemical Corporation Catalytic process for preparation of polyesters
CA1220889A (en) * 1982-06-08 1987-04-21 Dart Industries Inc. Process for the production of aromatic polyesters
US4639504A (en) * 1982-06-08 1987-01-27 Dart Industries Inc. Production of thermally stabilized aromatic polyesters
US4654399A (en) * 1983-06-02 1987-03-31 The Goodyear Tire & Rubber Company Composition and process for making an amber colored polyester

Also Published As

Publication number Publication date
DE1953706A1 (de) 1970-05-14
GB1283247A (en) 1972-07-26
US3781245A (en) 1973-12-25
FR2021615A1 (enExample) 1970-07-24
DE1953706B2 (de) 1978-03-02

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
EHJ Ceased/non-payment of the annual fee