IE42221B1 - Process for the purification of polycarbonates - Google Patents

Process for the purification of polycarbonates

Info

Publication number
IE42221B1
IE42221B1 IE2428/75A IE242875A IE42221B1 IE 42221 B1 IE42221 B1 IE 42221B1 IE 2428/75 A IE2428/75 A IE 2428/75A IE 242875 A IE242875 A IE 242875A IE 42221 B1 IE42221 B1 IE 42221B1
Authority
IE
Ireland
Prior art keywords
water
process according
oligocarbonate
acid
temperature
Prior art date
Application number
IE2428/75A
Other languages
English (en)
Other versions
IE42221L (en
Original Assignee
Poudres & Explosifs Ste Nale
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 Poudres & Explosifs Ste Nale filed Critical Poudres & Explosifs Ste Nale
Publication of IE42221L publication Critical patent/IE42221L/xx
Publication of IE42221B1 publication Critical patent/IE42221B1/en

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C68/00Preparation of esters of carbonic or haloformic acids
    • C07C68/08Purification; Separation; Stabilisation
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G64/00Macromolecular compounds obtained by reactions forming a carbonic ester link in the main chain of the macromolecule
    • C08G64/40Post-polymerisation treatment
    • C08G64/406Purifying; Drying

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Polyesters Or Polycarbonates (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
IE2428/75A 1974-12-11 1975-11-07 Process for the purification of polycarbonates IE42221B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7440836A FR2294198A1 (fr) 1974-12-11 1974-12-11 Procede de purification des oligocarbonates

Publications (2)

Publication Number Publication Date
IE42221L IE42221L (en) 1976-06-11
IE42221B1 true IE42221B1 (en) 1980-07-02

Family

ID=9146035

Family Applications (1)

Application Number Title Priority Date Filing Date
IE2428/75A IE42221B1 (en) 1974-12-11 1975-11-07 Process for the purification of polycarbonates

Country Status (13)

Country Link
US (1) US4013702A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS5183692A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BE (1) BE836534A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CA (1) CA1071231A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DD (1) DD124738A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE2555766A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DK (1) DK558875A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR2294198A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB1479389A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
IE (1) IE42221B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
IT (1) IT1059854B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
LU (1) LU73967A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NL (1) NL7514136A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2373570A1 (fr) 1976-12-10 1978-07-07 Poudres & Explosifs Ste Nale Nouveaux polycarbonates aliphatiques triols et leurs applications
US4306057A (en) * 1978-03-27 1981-12-15 General Electric Company Solvent sweeping of polycarbonates
US4498017A (en) * 1982-12-16 1985-02-05 Parkins William E Generating power from wind
DE3503330A1 (de) * 1985-02-01 1986-08-07 Herberts Gmbh, 5600 Wuppertal Verfahren zur verminderung des geruchs von polyesterharzen und deren verwendung
EP0302712B1 (en) * 1987-08-04 1996-11-13 Asahi Kasei Kogyo Kabushiki Kaisha Novel copolycarbonate
US5243093A (en) * 1990-09-07 1993-09-07 General Electric Company Process and composition
DE4130807A1 (de) * 1991-09-17 1993-03-18 Wolff Walsrode Ag Verfahren zur herstellung von polysaccharidcarbonaten
US5239106A (en) * 1992-08-17 1993-08-24 General Electric Company Method of recovering and purifying diphenylcarbonate from phenolic solutions thereof
US5498319A (en) * 1993-06-29 1996-03-12 General Electric Company Process for purifying diaryl carbonates
DE4420778A1 (de) * 1994-06-15 1995-12-21 Bayer Ag Verfahren zur Reinigung von Diphenylcarbonat
US5777064A (en) * 1995-03-22 1998-07-07 Mitsubishi Gas Chemical Company, Inc. Production method of polycarbonate
US7388066B2 (en) * 2005-09-26 2008-06-17 Bridgestone Sports Co., Ltd. Golf ball
US20070072701A1 (en) * 2005-09-26 2007-03-29 Bridgestone Sports Co., Ltd. Golf ball
WO2018013886A1 (en) 2016-07-14 2018-01-18 Lanxess Solutions Us Inc. Cast urethanes made from low free monomer prepolymer with polycarbonate backbone
KR102450692B1 (ko) 2017-02-28 2022-10-06 도레이 카부시키가이샤 시트상물
WO2018159359A1 (ja) 2017-02-28 2018-09-07 三洋化成工業株式会社 合成皮革用ポリウレタン樹脂
KR102572560B1 (ko) 2017-03-29 2023-08-30 도레이 카부시키가이샤 시트상물

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1234900A (fr) * 1958-10-20 1960-10-19 Columbia Southern Chem Corp Procédé pour produire des substances synthétiques macromoléculaires, notamment des polycarbonates solides
US3213060A (en) * 1961-09-14 1965-10-19 Eastman Kodak Co Polycarbonate purification
US3470133A (en) * 1967-09-15 1969-09-30 Ppg Industries Inc Water washing polyesters of carbonic acid and diphenols
US3668181A (en) * 1970-03-06 1972-06-06 Allied Chem Purification of polycarbonate resins

Also Published As

Publication number Publication date
BE836534A (fr) 1976-06-11
LU73967A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1977-07-01
FR2294198B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1977-04-08
CA1071231A (en) 1980-02-05
NL7514136A (nl) 1976-06-15
IT1059854B (it) 1982-06-21
JPS5342359B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1978-11-10
US4013702A (en) 1977-03-22
FR2294198A1 (fr) 1976-07-09
DD124738A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1977-03-09
AU8688875A (en) 1977-06-02
JPS5183692A (en) 1976-07-22
DE2555766A1 (de) 1976-06-16
IE42221L (en) 1976-06-11
DK558875A (da) 1976-06-12
GB1479389A (en) 1977-07-13

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