BR7603333A - Processo para a fabricacao de policarbonatos - Google Patents

Processo para a fabricacao de policarbonatos

Info

Publication number
BR7603333A
BR7603333A BR7603333A BR7603333A BR7603333A BR 7603333 A BR7603333 A BR 7603333A BR 7603333 A BR7603333 A BR 7603333A BR 7603333 A BR7603333 A BR 7603333A BR 7603333 A BR7603333 A BR 7603333A
Authority
BR
Brazil
Prior art keywords
polycarbonates
manufacture
Prior art date
Application number
BR7603333A
Other languages
English (en)
Portuguese (pt)
Inventor
H Buysch
H Krimm
H Rudolph
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 BR7603333A publication Critical patent/BR7603333A/pt

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)
BR7603333A 1975-05-27 1976-05-26 Processo para a fabricacao de policarbonatos BR7603333A (pt)

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
BR7603333A true BR7603333A (pt) 1976-12-07

Family

ID=5947486

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7603333A BR7603333A (pt) 1975-05-27 1976-05-26 Processo para a fabricacao de policarbonatos

Country Status (9)

Country Link
JP (1) JPS51144492A (cg-RX-API-DMAC7.html)
AT (1) AT355310B (cg-RX-API-DMAC7.html)
BE (1) BE842196A (cg-RX-API-DMAC7.html)
BR (1) BR7603333A (cg-RX-API-DMAC7.html)
DE (1) DE2523352A1 (cg-RX-API-DMAC7.html)
ES (1) ES448262A1 (cg-RX-API-DMAC7.html)
FR (1) FR2312521A1 (cg-RX-API-DMAC7.html)
GB (1) GB1526885A (cg-RX-API-DMAC7.html)
IT (1) IT1061310B (cg-RX-API-DMAC7.html)

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
WO1987000185A1 (en) * 1985-07-01 1987-01-15 The Dow Chemical Company A process for increasing the molecular weight of poly(alkylene carbonate) 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
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
KR20180011144A (ko) * 2015-05-21 2018-01-31 바스프 에스이 과분지화된 폴리카보네이트 폴리올의 제조 및 이의 용도
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
EP4017899A1 (de) 2019-08-19 2022-06-29 Covestro Intellectual Property GmbH & Co. KG Verfahren zur herstellung von polyethercarbonatalkoholen
WO2021032554A1 (de) 2019-08-19 2021-02-25 Covestro Deutschland Ag Verfahren zur herstellung von polyethercarbonatalkoholen
US20220267504A1 (en) 2019-08-19 2022-08-25 Covestro Deutschland Ag Process for preparing polyether carbonate alcohols
EP3783044A1 (de) 2019-08-19 2021-02-24 Covestro Deutschland AG Verfahren zur herstellung von polyethercarbonatpolyolen
EP3783045A1 (de) 2019-08-19 2021-02-24 Covestro Deutschland AG Verfahren zur herstellung von polyethercarbonatpolyolen
EP3783046A1 (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
WO2023140247A1 (ja) 2022-01-18 2023-07-27 旭化成株式会社 ポリカーボネートジオールの製造方法、ポリカーボネートジオール及びエステル交換触媒
EP4293065B8 (de) 2022-06-14 2025-11-26 Technische Universität Berlin Polymere enthaltend einen polyethercarbonat-haltigen block, herstellungsverfahren dafür und verwendung der polymere als tensid
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
JPS51144492A (en) 1976-12-11
GB1526885A (en) 1978-10-04
IT1061310B (it) 1983-02-28
DE2523352A1 (de) 1976-12-09
FR2312521B1 (cg-RX-API-DMAC7.html) 1982-09-10
AT355310B (de) 1980-02-25
ES448262A1 (es) 1977-12-01
BE842196A (fr) 1976-11-25
ATA381876A (de) 1979-07-15
FR2312521A1 (fr) 1976-12-24

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