FR1590597A - - Google Patents

Info

Publication number
FR1590597A
FR1590597A FR1590597DA FR1590597A FR 1590597 A FR1590597 A FR 1590597A FR 1590597D A FR1590597D A FR 1590597DA FR 1590597 A FR1590597 A FR 1590597A
Authority
FR
France
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
Other languages
French (fr)
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 filed Critical
Application granted granted Critical
Publication of FR1590597A publication Critical patent/FR1590597A/fr
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
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40—High-molecular-weight compounds
    • C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
    • C08G18/4266—Polycondensates having carboxylic or carbonic ester groups in the main chain prepared from hydroxycarboxylic acids and/or lactones
    • C08G18/4269—Lactones

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)
  • Polyurethanes Or Polyureas (AREA)
FR1590597D 1967-05-17 1968-05-17 Expired FR1590597A (cs)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2281567 1967-05-17

Publications (1)

Publication Number Publication Date
FR1590597A true FR1590597A (cs) 1970-04-20

Family

ID=10185496

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1590597D Expired FR1590597A (cs) 1967-05-17 1968-05-17

Country Status (5)

Country Link
BE (1) BE715397A (cs)
DE (1) DE1770451A1 (cs)
FR (1) FR1590597A (cs)
GB (1) GB1201909A (cs)
NL (1) NL6807022A (cs)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2093853B (en) * 1981-02-27 1984-09-19 Daicel Chem Lactone polymer and polyurethane obtained therefrom
JPS57185313A (en) * 1981-05-08 1982-11-15 Daicel Chem Ind Ltd Polyurethane and its preparation
JPS57155230A (en) 1981-02-27 1982-09-25 Daicel Chem Ind Ltd Lactone polymer having narrow molecular weight distribution and its preparation
FR2912751B1 (fr) * 2007-02-16 2012-07-13 Arkema France Procede de preparation de polylactones et polylactames
EP3670568A1 (de) 2018-12-21 2020-06-24 Covestro Deutschland AG Verfahren zur herstellung eines polyesters
EP3670569A1 (de) 2018-12-21 2020-06-24 Covestro Deutschland AG Verfahren zur herstellung eines polyesters
EP3670571A1 (de) 2018-12-21 2020-06-24 Covestro Deutschland AG Verfahren zur herstellung eines polyester-polyetherpolyol-blockcopolymers
EP3670557A1 (de) 2018-12-21 2020-06-24 Covestro Deutschland AG Verfahren zur herstellung eines polyoxyalkylenpolyesterpolyols

Also Published As

Publication number Publication date
BE715397A (cs) 1968-11-18
GB1201909A (en) 1970-08-12
DE1770451A1 (de) 1972-01-27
NL6807022A (cs) 1968-11-18

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Legal Events

Date Code Title Description
ST Notification of lapse