CA1060143A - Method of producing low carboxyl high molecular weight polyesters - Google Patents

Method of producing low carboxyl high molecular weight polyesters

Info

Publication number
CA1060143A
CA1060143A CA249,004A CA249004A CA1060143A CA 1060143 A CA1060143 A CA 1060143A CA 249004 A CA249004 A CA 249004A CA 1060143 A CA1060143 A CA 1060143A
Authority
CA
Canada
Prior art keywords
group
improvement
radicals
carbonate
alkali metal
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
CA249,004A
Other languages
English (en)
French (fr)
Inventor
Freddie L. Massey
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.)
Goodyear Tire and Rubber Co
Original Assignee
Goodyear Tire and Rubber Co
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 Goodyear Tire and Rubber Co filed Critical Goodyear Tire and Rubber Co
Application granted granted Critical
Publication of CA1060143A publication Critical patent/CA1060143A/en
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
    • C08G63/91Polymers modified by chemical after-treatment
    • C08G63/914Polymers modified by chemical after-treatment derived from polycarboxylic acids and polyhydroxy compounds
    • C08G63/916Dicarboxylic acids and dihydroxy compounds

Landscapes

  • Chemical & Material Sciences (AREA)
  • General 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)
CA249,004A 1975-05-02 1976-03-29 Method of producing low carboxyl high molecular weight polyesters Expired CA1060143A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US57405175A 1975-05-02 1975-05-02

Publications (1)

Publication Number Publication Date
CA1060143A true CA1060143A (en) 1979-08-07

Family

ID=24294485

Family Applications (1)

Application Number Title Priority Date Filing Date
CA249,004A Expired CA1060143A (en) 1975-05-02 1976-03-29 Method of producing low carboxyl high molecular weight polyesters

Country Status (7)

Country Link
JP (1) JPS51134790A (enExample)
CA (1) CA1060143A (enExample)
DE (1) DE2615155A1 (enExample)
FR (1) FR2309581A1 (enExample)
GB (1) GB1519664A (enExample)
IT (1) IT1058179B (enExample)
NL (1) NL7604636A (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10129532A1 (de) * 2001-06-21 2003-01-09 Basf Ag Hochstabilisiertes Polymer

Also Published As

Publication number Publication date
IT1058179B (it) 1982-04-10
FR2309581B1 (enExample) 1978-05-19
FR2309581A1 (fr) 1976-11-26
GB1519664A (en) 1978-08-02
DE2615155A1 (de) 1976-11-11
JPS51134790A (en) 1976-11-22
NL7604636A (nl) 1976-11-04

Similar Documents

Publication Publication Date Title
US3907754A (en) Process and catalyst-inhibitor system for preparing synthetic linear polyester
US3420801A (en) Process for the manufacture of polyethylene terephthalate
US3047539A (en) Production of polyesters
US3528946A (en) Acetylacetonates as polycondensation catalysts in transesterification method of preparing polyesters
US2856385A (en) Polyester-amides of n,n'-bis-(p-carboxybenzoyl) alkylenediamines, glycols and diamines
US4071504A (en) Process for producing low carboxyl polyester fibers and other articles
US3644291A (en) Titanium compounds as polycondensation catalysts in preparation of linear polyesters
US3538045A (en) Thermal stabilization of polyesters
US3959228A (en) Low carboxyl high molecular weight polyesters
US3254054A (en) Polyester production using a guanidine catalyst
US3533994A (en) Stabilized polyesters
US4348314A (en) Production of thermally stabilized polyester with alkylene carbonates and sodium or potassium thiocyanate
CA1060143A (en) Method of producing low carboxyl high molecular weight polyesters
US3718621A (en) Solid state polymerization process
US3951915A (en) Thermo-oxidative stable copolyesters
US4327207A (en) Production of thermally stabilized polyester with alkylene carbonates and sodium or potassium iodide
US3784507A (en) Stabilized polyester film
US2729620A (en) Neodymium chloride as catalyst in production of polyesters
US3803097A (en) Antimony oxalate catalyzed polyester polycondensation
US3268482A (en) Preparation of polyesters
US3118861A (en) Neodymium oxide as catalyst for preparing esters
US3547879A (en) Polyesters stabilized with ureas and thioureas
CA1081675A (en) Process and catalyst-inhibitor systems for preparing synthetic linear polyesters
US2916474A (en) Process of preparing polymeric terephthalic esters by interchange between a glycol and a dialkyl ester of terephthalic acid
US3386960A (en) Process of preparing polyesters in the presence of a catalytic amount of a praseodymium compound