FR2294199A1 - PERFECTED PROCESS FOR PREPARING POLYCARBONATES IN TWO STAGES - Google Patents

PERFECTED PROCESS FOR PREPARING POLYCARBONATES IN TWO STAGES

Info

Publication number
FR2294199A1
FR2294199A1 FR7440838A FR7440838A FR2294199A1 FR 2294199 A1 FR2294199 A1 FR 2294199A1 FR 7440838 A FR7440838 A FR 7440838A FR 7440838 A FR7440838 A FR 7440838A FR 2294199 A1 FR2294199 A1 FR 2294199A1
Authority
FR
France
Prior art keywords
stages
perfected process
preparing polycarbonates
polycarbonates
preparing
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.)
Granted
Application number
FR7440838A
Other languages
French (fr)
Other versions
FR2294199B1 (en
Inventor
Alain Cau
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
Priority to FR7440838A priority Critical patent/FR2294199A1/en
Priority to IE242975A priority patent/IE42097B1/en
Priority to GB4746875A priority patent/GB1476268A/en
Priority to NL7513786A priority patent/NL7513786A/en
Priority to CA240,852A priority patent/CA1064957A/en
Priority to LU73968A priority patent/LU73968A1/xx
Priority to IT7001875A priority patent/IT1059855B/en
Priority to DK558975A priority patent/DK558975A/en
Priority to JP50146950A priority patent/JPS5183693A/ja
Priority to BE162658A priority patent/BE836535A/en
Priority to DE19752555805 priority patent/DE2555805A1/en
Publication of FR2294199A1 publication Critical patent/FR2294199A1/en
Application granted granted Critical
Publication of FR2294199B1 publication Critical patent/FR2294199B1/fr
Granted 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
    • 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
    • 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
    • C08G64/20—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)
FR7440838A 1974-12-11 1974-12-11 PERFECTED PROCESS FOR PREPARING POLYCARBONATES IN TWO STAGES Granted FR2294199A1 (en)

Priority Applications (11)

Application Number Priority Date Filing Date Title
FR7440838A FR2294199A1 (en) 1974-12-11 1974-12-11 PERFECTED PROCESS FOR PREPARING POLYCARBONATES IN TWO STAGES
IE242975A IE42097B1 (en) 1974-12-11 1975-11-07 Process for the preparation of polycarbonates
GB4746875A GB1476268A (en) 1974-12-11 1975-11-18 Process for the preparation of polycarbonates
NL7513786A NL7513786A (en) 1974-12-11 1975-11-26 PROCESS FOR THE PREPARATION OF POLYCARBONATES WITH TERMINAL HYDROXYL GROUPS.
CA240,852A CA1064957A (en) 1974-12-11 1975-12-01 Process for the preparation of polycarbonates
IT7001875A IT1059855B (en) 1974-12-11 1975-12-09 PROCEDURE FOR THE PRODUCTION OF POLYCARBONATES
LU73968A LU73968A1 (en) 1974-12-11 1975-12-09
DK558975A DK558975A (en) 1974-12-11 1975-12-10 PROCEDURE FOR PREPARING POLYCARBONATES
JP50146950A JPS5183693A (en) 1974-12-11 1975-12-11
BE162658A BE836535A (en) 1974-12-11 1975-12-11 PERFECTED PROCESS FOR PREPARING POLYCARBONATES IN TWO STAGES
DE19752555805 DE2555805A1 (en) 1974-12-11 1975-12-11 TWO-STAGE MANUFACTURING PROCESS FOR POLYCARBONATE

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7440838A FR2294199A1 (en) 1974-12-11 1974-12-11 PERFECTED PROCESS FOR PREPARING POLYCARBONATES IN TWO STAGES

Publications (2)

Publication Number Publication Date
FR2294199A1 true FR2294199A1 (en) 1976-07-09
FR2294199B1 FR2294199B1 (en) 1977-04-08

Family

ID=9146037

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7440838A Granted FR2294199A1 (en) 1974-12-11 1974-12-11 PERFECTED PROCESS FOR PREPARING POLYCARBONATES IN TWO STAGES

Country Status (11)

Country Link
JP (1) JPS5183693A (en)
BE (1) BE836535A (en)
CA (1) CA1064957A (en)
DE (1) DE2555805A1 (en)
DK (1) DK558975A (en)
FR (1) FR2294199A1 (en)
GB (1) GB1476268A (en)
IE (1) IE42097B1 (en)
IT (1) IT1059855B (en)
LU (1) LU73968A1 (en)
NL (1) NL7513786A (en)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3717060A1 (en) * 1987-05-21 1988-12-01 Bayer Ag POLYETHER-POLYCARBONATE-DIOLE, THEIR PRODUCTION AND USE AS STARTING PRODUCTS FOR POLYURETHANE PLASTICS
US4891421A (en) * 1987-06-22 1990-01-02 Dainippon Ink And Chemicals, Inc. Processes for producing polycarbonate polyols
US5298303A (en) * 1989-03-20 1994-03-29 Reeves Brothers, Inc. Fabric structure for severe use applications
US5001208A (en) * 1989-03-20 1991-03-19 Reeves Brothers, Inc. Linear polyurethane elastomer compositions based on mixed polycarbonate and polyether polyols
US5096992A (en) * 1989-03-20 1992-03-17 Reeves Brothers, Inc. Use of modified diisocyanates for preparing linear thermoplastic polyurethane elastomers having improved properties
US5130384A (en) * 1989-03-20 1992-07-14 Reeves Brothers, Inc. Calenderable thermoplastic polyurethane elastomer compositions containing millable linear polyurethanes
US5110666A (en) * 1991-05-06 1992-05-05 Reeves Brothers, Inc. Coated fabric structure for air bag applications
DE19513164A1 (en) * 1995-04-07 1996-10-10 Bayer Ag Hydroxy-terminated polycarbonates based on high mol. cyclic dimer diols with and use in prodn. of polyurethanes stable against hydrolysis and oxidn.
DE19900554A1 (en) * 1999-01-09 2000-07-13 Bayer Ag Process for the preparation of aliphatic oligocarbonate diols from dimethyl carbonate and aliphatic diols
DE10027907A1 (en) 2000-06-06 2001-12-13 Bayer Ag Production of aliphatic oligocarbonate diols, useful in the production of plastics, fibers, coatings and adhesives, comprises reaction of aliphatic diols with dimethyl carbonate in a multi-stage process.
DE10130882A1 (en) 2001-06-27 2003-01-16 Bayer Ag Process for the preparation of aliphatic oligocarbonate diols
US7112693B2 (en) 2001-06-27 2006-09-26 Bayer Aktiengesellschaft Process for producing aliphatic oligocarbonate diols
DE10156896A1 (en) 2001-11-20 2003-05-28 Bayer Ag Use of catalysts for the production of aliphatic oligocarbonate polyols
DE10303881A1 (en) 2003-01-31 2004-08-12 Bayer Ag Process for the preparation of oligomeric aliphatic diols, polycarbonate diols based thereon and their prepolymers
DE102004032419A1 (en) * 2004-07-05 2006-01-26 Bayer Materialscience Ag Preparation of clear isocyanate prepolymers based on hexanediol ether carbonate
TWI761404B (en) 2016-12-19 2022-04-21 德商科思創德意志股份有限公司 Process for producing (cyclo) aliphatic polycarbonate polyols having low reactivity
EP4378972A1 (en) 2022-11-30 2024-06-05 Covestro Deutschland AG (cyclo)aliphatic polycarbonate polyol composition

Also Published As

Publication number Publication date
IE42097L (en) 1976-06-11
CA1064957A (en) 1979-10-23
DK558975A (en) 1976-06-12
NL7513786A (en) 1976-06-15
LU73968A1 (en) 1977-07-01
BE836535A (en) 1976-06-11
DE2555805A1 (en) 1976-10-28
IE42097B1 (en) 1980-06-04
GB1476268A (en) 1977-06-10
FR2294199B1 (en) 1977-04-08
JPS5183693A (en) 1976-07-22
IT1059855B (en) 1982-06-21

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Legal Events

Date Code Title Description
ST Notification of lapse