IT1051459B - Procedimento per la preparazione di policarbonati - Google Patents

Procedimento per la preparazione di policarbonati

Info

Publication number
IT1051459B
IT1051459B IT70019/75A IT7001975A IT1051459B IT 1051459 B IT1051459 B IT 1051459B IT 70019/75 A IT70019/75 A IT 70019/75A IT 7001975 A IT7001975 A IT 7001975A IT 1051459 B IT1051459 B IT 1051459B
Authority
IT
Italy
Prior art keywords
polycarbonates
procedure
preparation
Prior art date
Application number
IT70019/75A
Other languages
English (en)
Italian (it)
Original Assignee
Poudres & Explosifs Ste Nale
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 Poudres & Explosifs Ste Nale filed Critical Poudres & Explosifs Ste Nale
Application granted granted Critical
Publication of IT1051459B publication Critical patent/IT1051459B/it

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)
IT70019/75A 1974-12-11 1975-12-09 Procedimento per la preparazione di policarbonati IT1051459B (it)

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
IT1051459B true IT1051459B (it) 1981-04-21

Family

ID=9146038

Family Applications (1)

Application Number Title Priority Date Filing Date
IT70019/75A IT1051459B (it) 1974-12-11 1975-12-09 Procedimento per la preparazione di policarbonati

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
CA1064956A (en) 1979-10-23
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
IE42098B1 (en) 1980-06-04
JPS5183694A (cg-RX-API-DMAC10.html) 1976-07-22

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