CA1064956A - Process for the preparation of oligocarbonates - Google Patents

Process for the preparation of oligocarbonates

Info

Publication number
CA1064956A
CA1064956A CA240,851A CA240851A CA1064956A CA 1064956 A CA1064956 A CA 1064956A CA 240851 A CA240851 A CA 240851A CA 1064956 A CA1064956 A CA 1064956A
Authority
CA
Canada
Prior art keywords
set forth
acid
process set
diol
basic catalyst
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
CA240,851A
Other languages
English (en)
French (fr)
Inventor
Jean-Pierre Senet
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.)
Societe Nationale des Poudres et Explosifs
Original Assignee
Societe Nationale des Poudres et Explosifs
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 Societe Nationale des Poudres et Explosifs filed Critical Societe Nationale des Poudres et Explosifs
Application granted granted Critical
Publication of CA1064956A publication Critical patent/CA1064956A/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
    • 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
    • C08G18/44—Polycarbonates
    • 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
    • C08G64/00—Macromolecular compounds obtained by reactions forming a carbonic ester link in the main chain of the macromolecule
    • C08G64/02—Aliphatic polycarbonates
    • C08G64/0208—Aliphatic polycarbonates saturated
    • 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
    • C08G64/00—Macromolecular compounds obtained by reactions forming a carbonic ester link in the main chain of the macromolecule
    • C08G64/20—General preparatory processes
    • C08G64/30—General preparatory processes using carbonates
    • C08G64/305—General 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)
CA240,851A 1974-12-11 1975-12-01 Process for the preparation of oligocarbonates Expired CA1064956A (en)

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
CA1064956A true CA1064956A (en) 1979-10-23

Family

ID=9146038

Family Applications (1)

Application Number Title Priority Date Filing Date
CA240,851A Expired CA1064956A (en) 1974-12-11 1975-12-01 Process for the preparation of oligocarbonates

Country Status (12)

Country Link
US (1) US4005121A (cg-RX-API-DMAC10.html)
JP (1) JPS5183694A (cg-RX-API-DMAC10.html)
BE (1) BE836533A (cg-RX-API-DMAC10.html)
CA (1) CA1064956A (cg-RX-API-DMAC10.html)
DE (1) DE2555882C3 (cg-RX-API-DMAC10.html)
DK (1) DK559075A (cg-RX-API-DMAC10.html)
FR (1) FR2294200A1 (cg-RX-API-DMAC10.html)
GB (1) GB1477285A (cg-RX-API-DMAC10.html)
IE (1) IE42098B1 (cg-RX-API-DMAC10.html)
IT (1) IT1051459B (cg-RX-API-DMAC10.html)
LU (1) LU73969A1 (cg-RX-API-DMAC10.html)
NL (1) NL7514068A (cg-RX-API-DMAC10.html)

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 (en) * 1985-07-01 1987-01-15 The Dow Chemical Company A process for increasing the molecular weight of poly(alkylene carbonate) 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
BE836533A (fr) 1976-06-11
FR2294200B1 (cg-RX-API-DMAC10.html) 1984-02-17
DE2555882A1 (de) 1976-10-28
DK559075A (da) 1976-06-12
DE2555882C3 (de) 1980-04-03
IE42098L (en) 1976-06-11
FR2294200A1 (fr) 1976-07-09
NL7514068A (nl) 1976-06-15
US4005121A (en) 1977-01-25
LU73969A1 (cg-RX-API-DMAC10.html) 1977-07-01
GB1477285A (en) 1977-06-22
DE2555882B2 (de) 1979-08-02
IT1051459B (it) 1981-04-21
IE42098B1 (en) 1980-06-04
JPS5183694A (cg-RX-API-DMAC10.html) 1976-07-22

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