GB1263225A - A process for the preparation of aliphatic polycarbonates which have terminal hydroxyl groups - Google Patents

A process for the preparation of aliphatic polycarbonates which have terminal hydroxyl groups

Info

Publication number
GB1263225A
GB1263225A GB1448770A GB1448770A GB1263225A GB 1263225 A GB1263225 A GB 1263225A GB 1448770 A GB1448770 A GB 1448770A GB 1448770 A GB1448770 A GB 1448770A GB 1263225 A GB1263225 A GB 1263225A
Authority
GB
United Kingdom
Prior art keywords
aliphatic polycarbonates
diol
hexane
reduced pressure
under reduced
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
GB1448770A
Other languages
English (en)
Inventor
Wolfgang Heydkamp
Klaus Koenig
Horst Koepnick
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.)
Bayer AG
Original Assignee
Bayer AG
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
Priority claimed from DE19691915908 external-priority patent/DE1915908C3/de
Application filed by Bayer AG filed Critical Bayer AG
Publication of GB1263225A publication Critical patent/GB1263225A/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
    • 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
    • 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

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)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
GB1448770A 1969-03-28 1970-03-25 A process for the preparation of aliphatic polycarbonates which have terminal hydroxyl groups Expired GB1263225A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19691915908 DE1915908C3 (de) 1969-03-28 Verfahren zur Herstellung difunktioneller, aliphatischer, endstandige Hydroxylgruppen aufweisender Polycarbonate

Publications (1)

Publication Number Publication Date
GB1263225A true GB1263225A (en) 1972-02-09

Family

ID=5729597

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1448770A Expired GB1263225A (en) 1969-03-28 1970-03-25 A process for the preparation of aliphatic polycarbonates which have terminal hydroxyl groups

Country Status (5)

Country Link
AT (1) AT299546B (de)
CA (1) CA946539A (de)
CH (1) CH525920A (de)
FR (1) FR2037283B1 (de)
GB (1) GB1263225A (de)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4808691A (en) * 1987-05-21 1989-02-28 Bayer Aktiengesellschaft Polyether-polycarbonate diols and processes for their production and use
US5621065A (en) * 1995-04-07 1997-04-15 Bayer Aktiengesellschift Polycarbonate diols, their preparation and use as starting products for polyurethane plastics
US6156919A (en) * 1999-01-09 2000-12-05 Bayer Aktiengesellschaft Process for the preparation of aliphatic oligocarbonate diols from dimethyl carbonate and aliphatic diols
US6818784B2 (en) 2001-06-27 2004-11-16 Bayer Aktiengesellschaft Process for producing aliphatic oligocarbonate diols
US6833433B1 (en) 2000-06-06 2004-12-21 Bayer Aktiengesellschaft Method for producing aliphatic oligocarbonate diols
US6894182B2 (en) 2001-11-20 2005-05-17 Bayer Aktiengesellschaft Aliphatic oligocarbonate polyols prepared in the presence of a catalyst and a process for preparing the same
US6977290B2 (en) 2003-01-31 2005-12-20 Bayer Aktiengesellschaft Process for preparing oligomeric aliphatic diols, polycarbonatediols based thereon and prepolymers thereof
US7112693B2 (en) 2001-06-27 2006-09-26 Bayer Aktiengesellschaft Process for producing aliphatic oligocarbonate diols
CN110041484A (zh) * 2018-01-17 2019-07-23 宇部兴产株式会社 高支化聚碳酸酯多元醇组合物
US11059934B2 (en) 2016-12-19 2021-07-13 Covestro Deutschland Ag Process for producing (cyclo)aliphatic polycarbonate polyols having low reactivity

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4891421A (en) * 1987-06-22 1990-01-02 Dainippon Ink And Chemicals, Inc. Processes for producing polycarbonate polyols

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2210817A (en) * 1939-04-19 1940-08-06 Du Pont Superpolycarbonate

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4808691A (en) * 1987-05-21 1989-02-28 Bayer Aktiengesellschaft Polyether-polycarbonate diols and processes for their production and use
US5621065A (en) * 1995-04-07 1997-04-15 Bayer Aktiengesellschift Polycarbonate diols, their preparation and use as starting products for polyurethane plastics
US6156919A (en) * 1999-01-09 2000-12-05 Bayer Aktiengesellschaft Process for the preparation of aliphatic oligocarbonate diols from dimethyl carbonate and aliphatic diols
US6833433B1 (en) 2000-06-06 2004-12-21 Bayer Aktiengesellschaft Method for producing aliphatic oligocarbonate diols
US6818784B2 (en) 2001-06-27 2004-11-16 Bayer Aktiengesellschaft Process for producing aliphatic oligocarbonate diols
US7112693B2 (en) 2001-06-27 2006-09-26 Bayer Aktiengesellschaft Process for producing aliphatic oligocarbonate diols
US6894182B2 (en) 2001-11-20 2005-05-17 Bayer Aktiengesellschaft Aliphatic oligocarbonate polyols prepared in the presence of a catalyst and a process for preparing the same
US6977290B2 (en) 2003-01-31 2005-12-20 Bayer Aktiengesellschaft Process for preparing oligomeric aliphatic diols, polycarbonatediols based thereon and prepolymers thereof
US11059934B2 (en) 2016-12-19 2021-07-13 Covestro Deutschland Ag Process for producing (cyclo)aliphatic polycarbonate polyols having low reactivity
CN110041484A (zh) * 2018-01-17 2019-07-23 宇部兴产株式会社 高支化聚碳酸酯多元醇组合物
CN110041484B (zh) * 2018-01-17 2022-12-06 Ｕｂｅ株式会社 高支化聚碳酸酯多元醇组合物

Also Published As

Publication number Publication date
CA946539A (en) 1974-04-30
FR2037283A1 (de) 1970-12-31
DE1915908A1 (de) 1970-10-15
CH525920A (de) 1972-07-31
DE1915908B2 (de) 1974-08-29
AT299546B (de) 1972-06-26
FR2037283B1 (de) 1974-03-01

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