FR2246581B1 - - Google Patents

Info

Publication number
FR2246581B1
FR2246581B1 FR7433578A FR7433578A FR2246581B1 FR 2246581 B1 FR2246581 B1 FR 2246581B1 FR 7433578 A FR7433578 A FR 7433578A FR 7433578 A FR7433578 A FR 7433578A FR 2246581 B1 FR2246581 B1 FR 2246581B1
Authority
FR
France
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
FR7433578A
Other versions
FR2246581A1 (fr
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 FR2246581A1 publication Critical patent/FR2246581A1/fr
Application granted granted Critical
Publication of FR2246581B1 publication Critical patent/FR2246581B1/fr
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
    • C08G64/40—Post-polymerisation treatment
    • C08G64/406—Purifying; Drying
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S260/00—Chemistry of carbon compounds
    • Y10S260/33—Molecular sieve
FR7433578A 1973-10-06 1974-10-04 Expired FR2246581B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2350327A DE2350327C3 (de) 1973-10-06 1973-10-06 Verfahren zum Reinigen von Polycarbonatlösungen

Publications (2)

Publication Number Publication Date
FR2246581A1 FR2246581A1 (fr) 1975-05-02
FR2246581B1 true FR2246581B1 (fr) 1979-02-16

Family

ID=5894748

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7433578A Expired FR2246581B1 (fr) 1973-10-06 1974-10-04

Country Status (10)

Country Link
US (1) US3939118A (fr)
JP (1) JPS5518260B2 (fr)
BE (1) BE820705A (fr)
CA (1) CA1045738A (fr)
DE (1) DE2350327C3 (fr)
FR (1) FR2246581B1 (fr)
GB (1) GB1434695A (fr)
IT (1) IT1029609B (fr)
NL (1) NL7413080A (fr)
SU (1) SU628804A3 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4177343A (en) * 1977-12-19 1979-12-04 The Dow Chemical Company Purification of polymer solution
IT1110267B (it) * 1979-02-05 1985-12-23 Montedison Spa Processo di purificazione di soluzioni di policaronato
JP2528838B2 (ja) * 1986-10-14 1996-08-28 ソニー株式会社 光学式情報記録媒体
DE4312391A1 (de) * 1993-04-16 1994-10-20 Bayer Ag Verfahren zum Reinigen von Polycarbonat- und Polyestercarbonatlösungen
DE102007007462A1 (de) * 2007-02-15 2008-08-21 Bayer Materialscience Ag Verwendung von Alumosilikaten zur Entfernung bzw. Reduzierung von fluoreszierenden Partikeln in Polycarbonat
US8492501B2 (en) * 2011-05-17 2013-07-23 Sabic Innovative Plastics Ip B.V. Polycarbonate recovery from polymer blends by liquid chromatography
CN108727578B (zh) * 2018-03-15 2021-02-26 中国科学院成都有机化学有限公司 一种异山梨醇基聚碳酸酯的制备方法
CN115160755B (zh) * 2022-06-16 2023-05-26 宁波坚锋新材料有限公司 一种透明聚碳酸酯再生材料及其制备方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3066116A (en) * 1959-05-26 1962-11-27 American Cyanamid Co Polyesters using molecular sieve to remove ethylene glycol
US3161488A (en) * 1961-01-18 1964-12-15 Socony Mobil Oil Co Inc Water adsorption process
NL6401603A (fr) * 1963-03-22 1964-09-23
GB1193240A (en) * 1968-08-07 1970-05-28 Ppg Industries Inc Purifying Polycarbonates
DD98692A1 (fr) * 1972-09-08 1973-07-12

Also Published As

Publication number Publication date
CA1045738A (fr) 1979-01-02
US3939118A (en) 1976-02-17
BE820705A (fr) 1975-04-04
JPS5518260B2 (fr) 1980-05-17
DE2350327C3 (de) 1982-02-25
JPS5065554A (fr) 1975-06-03
SU628804A3 (ru) 1978-10-15
FR2246581A1 (fr) 1975-05-02
NL7413080A (nl) 1975-04-08
GB1434695A (en) 1976-05-05
IT1029609B (it) 1979-03-20
DE2350327B2 (de) 1981-03-19
DE2350327A1 (de) 1975-04-24

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Legal Events

Date Code Title Description
ST Notification of lapse