BE836533A - Procede perfectionne de preparation d'oligocarbonates par double catalyse - Google Patents

Procede perfectionne de preparation d'oligocarbonates par double catalyse

Info

Publication number
BE836533A
BE836533A BE162656A BE162656A BE836533A BE 836533 A BE836533 A BE 836533A BE 162656 A BE162656 A BE 162656A BE 162656 A BE162656 A BE 162656A BE 836533 A BE836533 A BE 836533A
Authority
BE
Belgium
Prior art keywords
oligocarbonates
preparation
perfected process
double catalysis
catalysis
Prior art date
Application number
BE162656A
Other languages
English (en)
Inventor
J-P
G Senet
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
Publication of BE836533A publication Critical patent/BE836533A/fr

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
    • C08G18/00Polymeric products of isocyanates or isothiocyanates
    • C08G18/06Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40High-molecular-weight compounds
    • C08G18/42Polycondensates having carboxylic or carbonic ester groups in the main chain
    • C08G18/44Polycarbonates
    • 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
    • C08G64/00Macromolecular compounds obtained by reactions forming a carbonic ester link in the main chain of the macromolecule
    • C08G64/02Aliphatic polycarbonates
    • C08G64/0208Aliphatic polycarbonates saturated
    • 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
    • C08G64/00Macromolecular compounds obtained by reactions forming a carbonic ester link in the main chain of the macromolecule
    • C08G64/20General preparatory processes
    • C08G64/30General preparatory processes using carbonates
    • C08G64/305General preparatory processes using carbonates and alcohols

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)
BE162656A 1974-12-11 1975-12-11 Procede perfectionne de preparation d'oligocarbonates par double catalyse BE836533A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7440839A FR2294200A1 (fr) 1974-12-11 1974-12-11 Procede perfectionne de preparation d'oligocarbonates par double catalyse

Publications (1)

Publication Number Publication Date
BE836533A true BE836533A (fr) 1976-06-11

Family

ID=9146038

Family Applications (1)

Application Number Title Priority Date Filing Date
BE162656A BE836533A (fr) 1974-12-11 1975-12-11 Procede perfectionne de preparation d'oligocarbonates par double catalyse

Country Status (12)

Country Link
US (1) US4005121A (fr)
JP (1) JPS5183694A (fr)
BE (1) BE836533A (fr)
CA (1) CA1064956A (fr)
DE (1) DE2555882C3 (fr)
DK (1) DK559075A (fr)
FR (1) FR2294200A1 (fr)
GB (1) GB1477285A (fr)
IE (1) IE42098B1 (fr)
IT (1) IT1051459B (fr)
LU (1) LU73969A1 (fr)
NL (1) NL7514068A (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2373570A1 (fr) * 1976-12-10 1978-07-07 Poudres & Explosifs Ste Nale Nouveaux polycarbonates aliphatiques triols et leurs applications
US4349486A (en) * 1978-12-15 1982-09-14 General Electric Company Monocarbonate transesterification process
IT1130285B (it) * 1980-03-05 1986-06-11 Anic Spa Procedimento per la sintesi di allil carbonati di alcoli poliidrici e loro derivati
US4456745A (en) * 1982-05-24 1984-06-26 Ethyl Corporation Polyurethanes prepared from polycarbonates
WO1987000185A1 (fr) * 1985-07-01 1987-01-15 The Dow Chemical Company Procede destine a augmenter le poids moleculaire des poly(carbonates d'alkylene) polyols
DE4130807A1 (de) * 1991-09-17 1993-03-18 Wolff Walsrode Ag Verfahren zur herstellung von polysaccharidcarbonaten
TWI761404B (zh) * 2016-12-19 2022-04-21 德商科思創德意志股份有限公司 製備具有低反應性(環)脂族聚碳酸酯多元醇之方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2915529A (en) * 1957-04-15 1959-12-01 Jefferson Chem Co Inc Method for preparing glycerin carbonate
DE1493757A1 (de) * 1965-12-29 1969-01-30 Bayer Ag Verfahren zur Herstellung von gemischten Kohlensaeureestern

Also Published As

Publication number Publication date
GB1477285A (en) 1977-06-22
IT1051459B (it) 1981-04-21
IE42098L (en) 1976-06-11
FR2294200B1 (fr) 1984-02-17
CA1064956A (fr) 1979-10-23
LU73969A1 (fr) 1977-07-01
NL7514068A (nl) 1976-06-15
DE2555882A1 (de) 1976-10-28
DE2555882B2 (de) 1979-08-02
DK559075A (da) 1976-06-12
DE2555882C3 (de) 1980-04-03
JPS5183694A (fr) 1976-07-22
IE42098B1 (en) 1980-06-04
FR2294200A1 (fr) 1976-07-09
US4005121A (en) 1977-01-25

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