FR1487200A - Improvements in the production of polyesters and copolyesters - Google Patents

Improvements in the production of polyesters and copolyesters

Info

Publication number
FR1487200A
FR1487200A FR70274A FR70274A FR1487200A FR 1487200 A FR1487200 A FR 1487200A FR 70274 A FR70274 A FR 70274A FR 70274 A FR70274 A FR 70274A FR 1487200 A FR1487200 A FR 1487200A
Authority
FR
France
Prior art keywords
copolyesters
polyesters
production
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
FR70274A
Other languages
French (fr)
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.)
Kanegafuchi Spinning Co Ltd
Original Assignee
Kanegafuchi Spinning Co 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 Kanegafuchi Spinning Co Ltd filed Critical Kanegafuchi Spinning Co Ltd
Priority to FR70274A priority Critical patent/FR1487200A/en
Application granted granted Critical
Publication of FR1487200A publication Critical patent/FR1487200A/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
    • C08G63/823—Preparation processes characterised by the catalyst used for the preparation of polylactones or polylactides
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F4/00—Polymerisation catalysts
    • C08F4/06—Metallic compounds other than hydrides and other than metallo-organic compounds; Boron halide or aluminium halide complexes with organic compounds containing oxygen
    • C08F4/12—Metallic compounds other than hydrides and other than metallo-organic compounds; Boron halide or aluminium halide complexes with organic compounds containing oxygen of boron, aluminium, gallium, indium, thallium or rare earths

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
FR70274A 1965-07-24 1966-07-21 Improvements in the production of polyesters and copolyesters Expired FR1487200A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR70274A FR1487200A (en) 1965-07-24 1966-07-21 Improvements in the production of polyesters and copolyesters

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP4500565 1965-07-24
JP1883166 1966-03-25
FR70274A FR1487200A (en) 1965-07-24 1966-07-21 Improvements in the production of polyesters and copolyesters

Publications (1)

Publication Number Publication Date
FR1487200A true FR1487200A (en) 1967-06-30

Family

ID=27243418

Family Applications (1)

Application Number Title Priority Date Filing Date
FR70274A Expired FR1487200A (en) 1965-07-24 1966-07-21 Improvements in the production of polyesters and copolyesters

Country Status (1)

Country Link
FR (1) FR1487200A (en)

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