ES448262A1 - Procedimiento para la obtencion de policarbonatos con gruposhidroxilos terminales. - Google Patents

Procedimiento para la obtencion de policarbonatos con gruposhidroxilos terminales.

Info

Publication number
ES448262A1
ES448262A1 ES448262A ES448262A ES448262A1 ES 448262 A1 ES448262 A1 ES 448262A1 ES 448262 A ES448262 A ES 448262A ES 448262 A ES448262 A ES 448262A ES 448262 A1 ES448262 A1 ES 448262A1
Authority
ES
Spain
Prior art keywords
preparation
end groups
hydroxyl end
polycarbonates containing
aliphatically bound
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
ES448262A
Other languages
English (en)
Spanish (es)
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
Application filed by Bayer AG filed Critical Bayer AG
Publication of ES448262A1 publication Critical patent/ES448262A1/es
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
    • C08G64/16—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)
  • Polyesters Or Polycarbonates (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Polyurethanes Or Polyureas (AREA)
ES448262A 1975-05-27 1976-05-26 Procedimiento para la obtencion de policarbonatos con gruposhidroxilos terminales. Expired ES448262A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19752523352 DE2523352A1 (de) 1975-05-27 1975-05-27 Verfahren zur herstellung aliphatischer polycarbonate

Publications (1)

Publication Number Publication Date
ES448262A1 true ES448262A1 (es) 1977-12-01

Family

ID=5947486

Family Applications (1)

Application Number Title Priority Date Filing Date
ES448262A Expired ES448262A1 (es) 1975-05-27 1976-05-26 Procedimiento para la obtencion de policarbonatos con gruposhidroxilos terminales.

Country Status (9)

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

Families Citing this family (25)

* 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
EP0227819A4 (fr) * 1985-07-01 1988-02-08 Dow Chemical Co Procede destine a augmenter le poids moleculaire des poly(carbonates d'alkylene) polyols.
JP2623550B2 (ja) * 1987-01-27 1997-06-25 東亞合成株式会社 ポリカーボネートジオールの製造法
JPS6466236A (en) * 1987-09-08 1989-03-13 Mitsubishi Gas Chemical Co Aliphatic polycarbonate and production thereof
JP2554775B2 (ja) * 1990-11-29 1996-11-13 出光石油化学株式会社 ポリカーボネートの製造方法
EP0754714B1 (fr) * 1994-04-08 1999-11-03 Asahi Kasei Kogyo Kabushiki Kaisha Procede de production de polycarbonate a terminaison hydroxyle
EP0781792B1 (fr) 1995-12-28 2002-02-06 Asahi Glass Company Ltd. Plaque de résine de polyuréthane reticulé et produit multicouche préparé en utilisant celle-ci
WO2013076099A1 (fr) 2011-11-24 2013-05-30 Bayer Intellectual Property Gmbh Préparation et utilisation de polycarbonates aliphatiques macromoléculaires
CA2986567A1 (fr) * 2015-05-21 2016-11-24 Paul Share Preparation de polycarbonate polyols hyper-ramifies et leur utilisation
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
CN114206981A (zh) 2019-08-19 2022-03-18 科思创知识产权两合公司 制备聚醚碳酸酯醇的方法
CN114206983A (zh) 2019-08-19 2022-03-18 科思创德国股份有限公司 制备聚醚碳酸酯醇的方法
EP3783044A1 (fr) 2019-08-19 2021-02-24 Covestro Deutschland AG Procédé de fabrication de polyols de poly(éther-carbonate)
EP3783045A1 (fr) 2019-08-19 2021-02-24 Covestro Deutschland AG Procédé de fabrication de polyols de poly(éther-carbonate)
EP3783046A1 (fr) 2019-08-19 2021-02-24 Covestro Deutschland AG Procédé de fabrication de polyols de poly(éther-carbonate)
US20220315697A1 (en) 2019-08-19 2022-10-06 Covestro Deutschland Ag Method for preparing polyether carbonate alcohols
EP3862377A1 (fr) 2020-02-04 2021-08-11 Covestro Deutschland AG Procédé de fabrication de polyéthercarbonate polyols
EP4039727A1 (fr) 2021-02-05 2022-08-10 Covestro Deutschland AG Procédé de production d'alcools polyéthercarbonate
EP4180474A1 (fr) 2021-11-12 2023-05-17 Covestro Deutschland AG Procédé de production d'alcools polyéthercarbonate
EP4467591A4 (fr) 2022-01-18 2025-04-16 Asahi Kasei Kabushiki Kaisha Procédé de production de polycarbonate diol, polycarbonate diol, et catalyseur de transestérification
EP4293065B8 (fr) 2022-06-14 2025-11-26 Technische Universität Berlin Polymères contenant un bloc polyéther carbonate, leur procédé de préparation et l'utilisation des polymères comme tenside
EP4378972A1 (fr) 2022-11-30 2024-06-05 Covestro Deutschland AG Composition de polyol de polycarbonate (cyclo)aliphatiques
DE102023000396A1 (de) 2023-02-09 2024-08-14 Covestro Deutschland Ag Verfahren zur Herstellung von Polyethercarbonatalkoholen

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2001091A1 (de) * 1970-01-12 1971-07-22 Huels Chemische Werke Ag Verfahren zur Herstellung linearer,hochmolekularer Polycarbonate

Also Published As

Publication number Publication date
GB1526885A (en) 1978-10-04
DE2523352A1 (de) 1976-12-09
FR2312521B1 (fr) 1982-09-10
JPS51144492A (en) 1976-12-11
FR2312521A1 (fr) 1976-12-24
BR7603333A (pt) 1976-12-07
ATA381876A (de) 1979-07-15
IT1061310B (it) 1983-02-28
AT355310B (de) 1980-02-25
BE842196A (fr) 1976-11-25

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