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BR8705650A - Processo para lavagem de solucao organica de resina de policarbonato bruto em solvente organico - Google Patents

Processo para lavagem de solucao organica de resina de policarbonato bruto em solvente organico

Info

Publication number
BR8705650A
BR8705650A BR8705650A BR8705650A BR8705650A BR 8705650 A BR8705650 A BR 8705650A BR 8705650 A BR8705650 A BR 8705650A BR 8705650 A BR8705650 A BR 8705650A BR 8705650 A BR8705650 A BR 8705650A
Authority
BR
Brazil
Prior art keywords
polycarbonate resin
organic solvent
crude polycarbonate
washing
organic solution
Prior art date
Application number
BR8705650A
Other languages
English (en)
Inventor
Takashi Ashida
Mikio Koyama
Original Assignee
Idemitsu Petrochemical Co
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=17220402&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BR8705650(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Idemitsu Petrochemical Co filed Critical Idemitsu Petrochemical Co
Publication of BR8705650A publication Critical patent/BR8705650A/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
    • C08G64/40—Post-polymerisation treatment
    • C08G64/406—Purifying; Drying

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polyesters Or Polycarbonates (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
BR8705650A 1986-10-22 1987-10-22 Processo para lavagem de solucao organica de resina de policarbonato bruto em solvente organico BR8705650A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP61251277A JPH0653793B2 (ja) 1986-10-22 1986-10-22 ポリカ−ボネ−ト有機溶剤液の洗浄方法

Publications (1)

Publication Number Publication Date
BR8705650A true BR8705650A (pt) 1988-05-31

Family

ID=17220402

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8705650A BR8705650A (pt) 1986-10-22 1987-10-22 Processo para lavagem de solucao organica de resina de policarbonato bruto em solvente organico

Country Status (4)

Country Link
EP (1) EP0264885B2 (pt)
JP (1) JPH0653793B2 (pt)
BR (1) BR8705650A (pt)
DE (1) DE3784438T3 (pt)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2662049B2 (ja) * 1989-09-14 1997-10-08 出光石油化学株式会社 光学式ディスク基板及び光学式情報記録媒体
DE4138754C2 (de) * 1991-11-26 1998-10-22 Bayer Ag Polycarbonat-Wäsche
JP2002522605A (ja) * 1998-08-13 2002-07-23 バイエル アクチェンゲゼルシャフト 高純度のポリカーボネートおよびそれの製造方法
DE19952849A1 (de) 1999-11-03 2001-05-10 Bayer Ag Optische Datenträger und Verfahren zu ihrer Herstellung
DE19952848A1 (de) 1999-11-03 2001-05-10 Bayer Ag Verfahren zur Herstellung von Polycarbonaten
JP4562851B2 (ja) * 2000-04-10 2010-10-13 出光興産株式会社 ポリカーボネート有機溶剤溶液の洗浄方法および洗浄装置
DE102006050381A1 (de) 2006-10-25 2008-05-08 Bayer Materialscience Ag Verfahren zur Abtrennung einer organischen von einer elektrolythaltigen wässrigen und organischen Phase
CN102964584B (zh) * 2012-11-14 2014-12-31 万华化学集团股份有限公司 一种粗聚碳酸酯溶液的纯化方法
CN109679137A (zh) * 2018-12-20 2019-04-26 树业环保科技股份有限公司 一种废旧聚碳酸酯的回收再生系统及工艺

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA747994A (en) * 1966-12-06 T. Szabo Ted Process for removing impurities in highly viscous polymer masses
JPS51112897A (en) * 1975-03-31 1976-10-05 Idemitsu Kosan Co Ltd Purification of polycarbonate solution by orifice mixer
JPS5938967B2 (ja) * 1978-04-19 1984-09-20 三菱化学株式会社 ポリカ−ボネ−ト有機溶剤溶液の洗浄法
IT1110267B (it) * 1979-02-05 1985-12-23 Montedison Spa Processo di purificazione di soluzioni di policaronato
JPS57155233A (en) * 1981-03-20 1982-09-25 Mitsubishi Chem Ind Ltd Preparation of halogen-containing polycarbonate resin
JPS5938967A (ja) * 1982-08-25 1984-03-03 Canon Inc 情報記録装置

Also Published As

Publication number Publication date
DE3784438D1 (de) 1993-04-08
EP0264885B1 (en) 1993-03-03
EP0264885B2 (en) 2000-01-26
JPH0653793B2 (ja) 1994-07-20
JPS63105028A (ja) 1988-05-10
EP0264885A2 (en) 1988-04-27
DE3784438T3 (de) 2000-08-24
EP0264885A3 (en) 1988-12-28
DE3784438T2 (de) 1993-09-23

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Legal Events

Date Code Title Description
B25A Requested transfer of rights approved

Free format text: TRANSFERIDO POR FUSAO DE: IDEMITSU PETROCHEMICAL CO., LTD.

B25G Requested change of headquarter approved

Free format text: ALTERADA A SEDE DO TITULAR CONFORME REQUERIDO NA PETICAO NO 020050025938/RJ DE 15/04/2005.

B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]

Free format text: PATENTE EXTINTA EM 22/10/2002

B15K Others concerning applications: alteration of classification

Ipc: C08G 64/40 (2006.01)