BE836535A - Procede perfectionne de preparation de polycarbonates en deux etapes - Google Patents

Procede perfectionne de preparation de polycarbonates en deux etapes

Info

Publication number
BE836535A
BE836535A BE162658A BE162658A BE836535A BE 836535 A BE836535 A BE 836535A BE 162658 A BE162658 A BE 162658A BE 162658 A BE162658 A BE 162658A BE 836535 A BE836535 A BE 836535A
Authority
BE
Belgium
Prior art keywords
stages
perfected process
preparing polycarbonates
polycarbonates
preparing
Prior art date
Application number
BE162658A
Other languages
English (en)
Inventor
A A Cau
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 BE836535A publication Critical patent/BE836535A/fr

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)
BE162658A 1974-12-11 1975-12-11 Procede perfectionne de preparation de polycarbonates en deux etapes BE836535A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7440838A FR2294199A1 (fr) 1974-12-11 1974-12-11 Procede perfectionne de preparation de polycarbonates en deux etapes

Publications (1)

Publication Number Publication Date
BE836535A true BE836535A (fr) 1976-06-11

Family

ID=9146037

Family Applications (1)

Application Number Title Priority Date Filing Date
BE162658A BE836535A (fr) 1974-12-11 1975-12-11 Procede perfectionne de preparation de polycarbonates en deux etapes

Country Status (11)

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

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3717060A1 (de) * 1987-05-21 1988-12-01 Bayer Ag Polyether-polycarbonat-diole, ihre herstellung und verwendung als ausgangsprodukte fuer polyurethankunststoffe
US4891421A (en) * 1987-06-22 1990-01-02 Dainippon Ink And Chemicals, Inc. Processes for producing polycarbonate polyols
US5130384A (en) * 1989-03-20 1992-07-14 Reeves Brothers, Inc. Calenderable thermoplastic polyurethane elastomer compositions containing millable linear polyurethanes
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
US5110666A (en) * 1991-05-06 1992-05-05 Reeves Brothers, Inc. Coated fabric structure for air bag applications
DE19513164A1 (de) * 1995-04-07 1996-10-10 Bayer Ag Polycarbonat-Diole, ihre Herstellung und Verwendung als Ausgangsprodukte für Polyurethan-Kunststoffe
DE19900554A1 (de) * 1999-01-09 2000-07-13 Bayer Ag Verfahren zur Herstellung von aliphatischen Oligocarbonatdiolen aus Dimethylcarbonat und aliphatischen Diolen
DE10027907A1 (de) 2000-06-06 2001-12-13 Bayer Ag Verfahren zur Herstellung von aliphatischen Oligocarbanatdiolen
DE10130882A1 (de) 2001-06-27 2003-01-16 Bayer Ag Verfahren zur Herstellung von aliphatischen Oligocarbonatdiolen
US7112693B2 (en) 2001-06-27 2006-09-26 Bayer Aktiengesellschaft Process for producing aliphatic oligocarbonate diols
DE10156896A1 (de) 2001-11-20 2003-05-28 Bayer Ag Verwendung von Katalysatoren zur Herstellung von aliphatischen Oligocarbonatpolyolen
DE10303881A1 (de) 2003-01-31 2004-08-12 Bayer Ag Verfahren zur Herstellung von oligomeren aliphatischen Diolen, darauf basierenden Polycarbonatdiolen und deren Prepolymeren
DE102004032419A1 (de) * 2004-07-05 2006-01-26 Bayer Materialscience Ag Herstellung klarer Isocyanatprepolymere auf Hexandiolethercarbonat-Basis
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
EP4378972A1 (fr) 2022-11-30 2024-06-05 Covestro Deutschland AG Composition de polyol de polycarbonate (cyclo)aliphatiques

Also Published As

Publication number Publication date
GB1476268A (en) 1977-06-10
IE42097L (en) 1976-06-11
LU73968A1 (fr) 1977-07-01
FR2294199A1 (fr) 1976-07-09
IT1059855B (it) 1982-06-21
CA1064957A (fr) 1979-10-23
IE42097B1 (en) 1980-06-04
FR2294199B1 (fr) 1977-04-08
NL7513786A (nl) 1976-06-15
DE2555805A1 (de) 1976-10-28
DK558975A (da) 1976-06-12
JPS5183693A (fr) 1976-07-22

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