IT1059854B - Procedimento per la purificazione di policarbonati - Google Patents

Procedimento per la purificazione di policarbonati

Info

Publication number
IT1059854B
IT1059854B IT70017/75A IT7001775A IT1059854B IT 1059854 B IT1059854 B IT 1059854B IT 70017/75 A IT70017/75 A IT 70017/75A IT 7001775 A IT7001775 A IT 7001775A IT 1059854 B IT1059854 B IT 1059854B
Authority
IT
Italy
Prior art keywords
purification procedure
polycarbonate
polycarbonate purification
procedure
purification
Prior art date
Application number
IT70017/75A
Other languages
English (en)
Italian (it)
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
Application granted granted Critical
Publication of IT1059854B publication Critical patent/IT1059854B/it

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)
IT70017/75A 1974-12-11 1975-12-09 Procedimento per la purificazione di policarbonati IT1059854B (it)

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 (1)

Publication Number Publication Date
IT1059854B true IT1059854B (it) 1982-06-21

Family

ID=9146035

Family Applications (1)

Application Number Title Priority Date Filing Date
IT70017/75A IT1059854B (it) 1974-12-11 1975-12-09 Procedimento per la purificazione di policarbonati

Country Status (13)

Country Link
US (1) US4013702A (OSRAM)
JP (1) JPS5183692A (OSRAM)
BE (1) BE836534A (OSRAM)
CA (1) CA1071231A (OSRAM)
DD (1) DD124738A5 (OSRAM)
DE (1) DE2555766A1 (OSRAM)
DK (1) DK558875A (OSRAM)
FR (1) FR2294198A1 (OSRAM)
GB (1) GB1479389A (OSRAM)
IE (1) IE42221B1 (OSRAM)
IT (1) IT1059854B (OSRAM)
LU (1) LU73967A1 (OSRAM)
NL (1) NL7514136A (OSRAM)

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
DE3855663T2 (de) * 1987-08-04 1997-06-05 Asahi Chemical Ind 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
US20070072701A1 (en) * 2005-09-26 2007-03-29 Bridgestone Sports Co., Ltd. Golf ball
US7388066B2 (en) * 2005-09-26 2008-06-17 Bridgestone Sports Co., Ltd. Golf ball
EP3484937A1 (en) 2016-07-14 2019-05-22 Lanxess Solutions US Inc. Cast urethanes made from low free monomer prepolymer with polycarbonate backbone
JP6889770B2 (ja) 2017-02-28 2021-06-18 三洋化成工業株式会社 合成皮革用ポリウレタン樹脂
ES2837394T3 (es) 2017-02-28 2021-06-30 Toray Industries Material similar a una lámina
WO2018181319A1 (ja) 2017-03-29 2018-10-04 東レ株式会社 シート状物

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
AU8688875A (en) 1977-06-02
CA1071231A (en) 1980-02-05
DE2555766A1 (de) 1976-06-16
IE42221B1 (en) 1980-07-02
JPS5183692A (en) 1976-07-22
NL7514136A (nl) 1976-06-15
BE836534A (fr) 1976-06-11
DD124738A5 (OSRAM) 1977-03-09
US4013702A (en) 1977-03-22
DK558875A (da) 1976-06-12
LU73967A1 (OSRAM) 1977-07-01
FR2294198A1 (fr) 1976-07-09
GB1479389A (en) 1977-07-13
FR2294198B1 (OSRAM) 1977-04-08
IE42221L (en) 1976-06-11
JPS5342359B2 (OSRAM) 1978-11-10

Similar Documents

Publication Publication Date Title
IT1020610B (it) Purificazione di gas
SE7512357L (sv) Tvakretsbormssystem
HU172194B (hu) Sposob poluchenija geterologicheskikh transplantatov arterij s dinamicheskim metodom
HU174099B (hu) Transportnoe sredstvo s otkrytoj szadi u-obraznoj ramoj
BE812723A (fr) Nucleotides de 9-beta-d-arabinofuranosyl-purine
SE7505982L (sv) Fluorometer
IT1059854B (it) Procedimento per la purificazione di policarbonati
BR7502999A (pt) Esquema mostrador
BE834333A (nl) Zuiveringsinrichting
IT1026525B (it) Depurazione di gas
SE7510960L (sv) Optiskt system
IT1050317B (it) Procedimento di decaffeinizzazione
AR208000A1 (es) Procedimiento de purificacion de uroquinasa
HU172202B (hu) Sposob poluchenija proizvodnykh diuretana s selektivnym gerbicidnym ehffektom
FR2279723A1 (fr) Purification de diisocyanate
SE402395B (sv) Fergtelevisionssystem
IT1068374B (it) Procedimento per la purificazione di acetronitrile
HU171065B (hu) Tovarnye vesy s cifrovoj indikaciej
TR18691A (tr) Isoprenin ayrilmasi
IT1029609B (it) Procedimento per depurare soluzioni di policarbonati
JPS51102222A (ja) Ben
IT1050696B (it) Apparato di purificazione
JPS5146284A (ja) Kaatonguritsupusochi
FR2315264A2 (fr) Phenolethanolamines acylees
JPS5156006A (ja) Jidoshikihonpusochi