CH525920A - Process for the preparation of difunctional aliphatic terminally hydroxylated polycarbonates - Google Patents

Process for the preparation of difunctional aliphatic terminally hydroxylated polycarbonates

Info

Publication number
CH525920A
CH525920A CH18970A CH18970A CH525920A CH 525920 A CH525920 A CH 525920A CH 18970 A CH18970 A CH 18970A CH 18970 A CH18970 A CH 18970A CH 525920 A CH525920 A CH 525920A
Authority
CH
Switzerland
Prior art keywords
preparation
difunctional aliphatic
terminally hydroxylated
polycarbonates
hydroxylated polycarbonates
Prior art date
Application number
CH18970A
Other languages
German (de)
Inventor
Wolfgang Dr Heydkamp
Klaus Dr Koenig
Horst Dr Koepnick
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/en
Application filed by Bayer Ag filed Critical Bayer Ag
Publication of CH525920A publication Critical patent/CH525920A/en

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)
CH18970A 1969-03-28 1970-01-08 Process for the preparation of difunctional aliphatic terminally hydroxylated polycarbonates CH525920A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19691915908 DE1915908C3 (en) 1969-03-28 Process for the production of difunctional, aliphatic polycarbonates having terminal hydroxyl groups

Publications (1)

Publication Number Publication Date
CH525920A true CH525920A (en) 1972-07-31

Family

ID=5729597

Family Applications (1)

Application Number Title Priority Date Filing Date
CH18970A CH525920A (en) 1969-03-28 1970-01-08 Process for the preparation of difunctional aliphatic terminally hydroxylated polycarbonates

Country Status (5)

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

Families Citing this family (12)

* 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
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
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
CN110041484B (en) * 2018-01-17 2022-12-06 Ｕｂｅ株式会社 Highly branched polycarbonate polyol composition
EP3936552B1 (en) 2019-03-07 2024-03-27 Asahi Kasei Kabushiki Kaisha Polycarbonate diols and their uses

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

Also Published As

Publication number Publication date
DE1915908B2 (en) 1974-08-29
AT299546B (en) 1972-06-26
FR2037283B1 (en) 1974-03-01
FR2037283A1 (en) 1970-12-31
DE1915908A1 (en) 1970-10-15
CA946539A (en) 1974-04-30
GB1263225A (en) 1972-02-09

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Legal Events

Date Code Title Description
PL Patent ceased