IT1061310B - PROCEDURE FOR PRODUCING ALIPHATIC POLYCARBONATES - Google Patents

PROCEDURE FOR PRODUCING ALIPHATIC POLYCARBONATES

Info

Publication number
IT1061310B
IT1061310B IT4963776A IT4963776A IT1061310B IT 1061310 B IT1061310 B IT 1061310B IT 4963776 A IT4963776 A IT 4963776A IT 4963776 A IT4963776 A IT 4963776A IT 1061310 B IT1061310 B IT 1061310B
Authority
IT
Italy
Prior art keywords
procedure
aliphatic polycarbonates
producing aliphatic
producing
polycarbonates
Prior art date
Application number
IT4963776A
Other languages
Italian (it)
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
Application filed by Bayer Ag filed Critical Bayer Ag
Application granted granted Critical
Publication of IT1061310B publication Critical patent/IT1061310B/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
    • C08G64/16—Aliphatic-aromatic or araliphatic polycarbonates
    • C08G64/1608—Aliphatic-aromatic or araliphatic 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
    • C08G64/02—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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Polyesters Or Polycarbonates (AREA)
  • Polyurethanes Or Polyureas (AREA)
IT4963776A 1975-05-27 1976-05-25 PROCEDURE FOR PRODUCING ALIPHATIC POLYCARBONATES IT1061310B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19752523352 DE2523352A1 (en) 1975-05-27 1975-05-27 METHOD FOR PRODUCING ALIPHATIC POLYCARBONATES

Publications (1)

Publication Number Publication Date
IT1061310B true IT1061310B (en) 1983-02-28

Family

ID=5947486

Family Applications (1)

Application Number Title Priority Date Filing Date
IT4963776A IT1061310B (en) 1975-05-27 1976-05-25 PROCEDURE FOR PRODUCING ALIPHATIC POLYCARBONATES

Country Status (9)

Country Link
JP (1) JPS51144492A (en)
AT (1) AT355310B (en)
BE (1) BE842196A (en)
BR (1) BR7603333A (en)
DE (1) DE2523352A1 (en)
ES (1) ES448262A1 (en)
FR (1) FR2312521A1 (en)
GB (1) GB1526885A (en)
IT (1) IT1061310B (en)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4131731A (en) * 1976-11-08 1978-12-26 Beatrice Foods Company Process for preparing polycarbonates
JPS5556124A (en) * 1978-10-19 1980-04-24 Beatrice Foods Co Manufacture of polycarbonate
JPS5564535A (en) * 1978-11-10 1980-05-15 Nisso Yuka Kogyo Kk Separation of mixture of ethylene glycol and ethylene carbonate
JPS62501080A (en) * 1985-07-01 1987-04-30 ザ　ダウ　ケミカル　カンパニ− Method for increasing the molecular weight of poly(alkylene carbonate) polyols
JP2623550B2 (en) * 1987-01-27 1997-06-25 東亞合成株式会社 Method for producing polycarbonate diol
JPS6466236A (en) * 1987-09-08 1989-03-13 Mitsubishi Gas Chemical Co Aliphatic polycarbonate and production thereof
JP2554775B2 (en) * 1990-11-29 1996-11-13 出光石油化学株式会社 Method for producing polycarbonate
EP0754714B1 (en) * 1994-04-08 1999-11-03 Asahi Kasei Kogyo Kabushiki Kaisha Process for producing hydroxyl-terminated polycarbonate
DE69619085T2 (en) 1995-12-28 2002-06-20 Asahi Glass Co Ltd Cross-linked polyurethane sheet and composite made from it
WO2013076099A1 (en) 2011-11-24 2013-05-30 Bayer Intellectual Property Gmbh Production and use of high-molecular-weight aliphatic polycarbonates
MX2017014862A (en) * 2015-05-21 2018-08-23 Basf Se Preparation of hyperbranched polycarbonate polyols and their use.
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
EP4017900A1 (en) 2019-08-19 2022-06-29 Covestro Deutschland AG Method for preparing polyether carbonate alcohols
EP3783046A1 (en) 2019-08-19 2021-02-24 Covestro Deutschland AG Process for preparing polyether carbonate polyols
EP3783045A1 (en) 2019-08-19 2021-02-24 Covestro Deutschland AG Process for preparing polyether carbonate polyols
EP3783044A1 (en) 2019-08-19 2021-02-24 Covestro Deutschland AG Process for preparing polyether carbonate polyols
US20220267515A1 (en) 2019-08-19 2022-08-25 Covestro Intellectual Property Gmbh & Co. Kg Process for preparing polyether carbonate alcohols
EP4017901A1 (en) 2019-08-19 2022-06-29 Covestro Deutschland AG Process for preparing polyether carbonate alcohols
EP3862377A1 (en) 2020-02-04 2021-08-11 Covestro Deutschland AG Process for producing polyether carbonate polyols
EP4039727A1 (en) 2021-02-05 2022-08-10 Covestro Deutschland AG Method for the preparation of polyether carbonate alcohols
EP4180474A1 (en) 2021-11-12 2023-05-17 Covestro Deutschland AG Method for the preparation of polyether carbonate alcohols
EP4293065A1 (en) 2022-06-14 2023-12-20 Covestro Deutschland AG Polymers containing a polyether carbonate-containing block, preparation method thereof and use of the polymers as a tenside

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2001091A1 (en) * 1970-01-12 1971-07-22 Huels Chemische Werke Ag Carboxylic acid alcoholysis catalysts forpro

Also Published As

Publication number Publication date
FR2312521A1 (en) 1976-12-24
FR2312521B1 (en) 1982-09-10
GB1526885A (en) 1978-10-04
BR7603333A (en) 1976-12-07
JPS51144492A (en) 1976-12-11
ES448262A1 (en) 1977-12-01
ATA381876A (en) 1979-07-15
BE842196A (en) 1976-11-25
AT355310B (en) 1980-02-25
DE2523352A1 (en) 1976-12-09

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