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)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Polyesters Or Polycarbonates (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 (de)
AT (1) AT355310B (de)
BE (1) BE842196A (de)
BR (1) BR7603333A (de)
DE (1) DE2523352A1 (de)
ES (1) ES448262A1 (de)
FR (1) FR2312521A1 (de)
GB (1) GB1526885A (de)
IT (1) IT1061310B (de)

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 (de) * 1985-07-01 1988-02-08 Dow Chemical Co Verfahren zur erhöhung des molekulargewichtes von poly(alkylencarbonat)polyolen.
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
CN1145078A (zh) * 1994-04-08 1997-03-12 旭化成工业株式会社 具有末端羟基的聚碳酸酯的制法
ES2172622T3 (es) 1995-12-28 2002-10-01 Asahi Glass Co Ltd Placa de resina de poliuretano reticulado y producto preparado que utiliza esta.
WO2013076099A1 (de) 2011-11-24 2013-05-30 Bayer Intellectual Property Gmbh Herstellung und verwendung von hochmolekularen aliphatischen polycarbonaten
CN107683300A (zh) * 2015-05-21 2018-02-09 巴斯夫公司 超支化聚碳酸酯多元醇的制备与其用途
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
EP3783046A1 (de) 2019-08-19 2021-02-24 Covestro Deutschland AG Verfahren zur herstellung von polyethercarbonatpolyolen
WO2021032555A1 (de) 2019-08-19 2021-02-25 Covestro Deutschland Ag Verfahren zur herstellung von polyethercarbonatalkoholen
EP4017899A1 (de) 2019-08-19 2022-06-29 Covestro Intellectual Property GmbH & Co. KG Verfahren zur herstellung von polyethercarbonatalkoholen
EP4017900A1 (de) 2019-08-19 2022-06-29 Covestro Deutschland AG Verfahren zur herstellung von polyethercarbonatalkoholen
EP3783045A1 (de) 2019-08-19 2021-02-24 Covestro Deutschland AG Verfahren zur herstellung von polyethercarbonatpolyolen
EP3783044A1 (de) 2019-08-19 2021-02-24 Covestro Deutschland AG Verfahren zur herstellung von polyethercarbonatpolyolen
EP3862377A1 (de) 2020-02-04 2021-08-11 Covestro Deutschland AG Verfahren zur herstellung von polyethercarbonatpolyolen
EP4039727A1 (de) 2021-02-05 2022-08-10 Covestro Deutschland AG Verfahren zur herstellung von polyethercarbonatalkoholen
EP4180474A1 (de) 2021-11-12 2023-05-17 Covestro Deutschland AG Verfahren zur herstellung von polyethercarbonatalkohole
US20250066547A1 (en) 2022-01-18 2025-02-27 Asahi Kasei Kabushiki Kaisha Method for producing polycarbonate diol, polycarbonate diol and transesterification catalyst
ES3040284T3 (en) 2022-06-14 2025-10-29 Univ Berlin Tech Polymers containing a polyether carbonate-containing block, preparation method thereof and use of the polymers as a tenside
EP4378972A1 (de) 2022-11-30 2024-06-05 Covestro Deutschland AG (cyclo)aliphatische polycarbonatpolyol-zusammensetzung
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
BE842196A (fr) 1976-11-25
BR7603333A (pt) 1976-12-07
GB1526885A (en) 1978-10-04
IT1061310B (it) 1983-02-28
DE2523352A1 (de) 1976-12-09
FR2312521B1 (de) 1982-09-10
FR2312521A1 (fr) 1976-12-24
JPS51144492A (en) 1976-12-11
ATA381876A (de) 1979-07-15
AT355310B (de) 1980-02-25

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