AU5289699A - Highly pure polycarbonates and method for producing same - Google Patents

Highly pure polycarbonates and method for producing same

Info

Publication number: AU5289699A
Authority: AU; Australia
Prior art keywords: highly pure; producing same; polycarbonates; pure polycarbonates; producing
Prior art date: 1998-08-13
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.): Abandoned

Application number

AU52896/99A

Inventor

Thomas Elsner

Jurgen Heuser

Christian Kords

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.)

1998-08-13

Filing date

1999-07-30

Publication date

2000-03-06

1998-08-13 Priority claimed from DE1998136664 external-priority patent/DE19836664A1/en

1998-10-13 Priority claimed from DE1998147051 external-priority patent/DE19847051A1/en

1999-07-30 Application filed by Bayer AG filed Critical Bayer AG

2000-03-06 Publication of AU5289699A publication Critical patent/AU5289699A/en

Status Abandoned legal-status Critical Current

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
- 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)
Manufacture Of Macromolecular Shaped Articles (AREA)
Optical Record Carriers And Manufacture Thereof (AREA)
Manufacturing Optical Record Carriers (AREA)
Processes Of Treating Macromolecular Substances (AREA)

AU52896/99A 1998-08-13 1999-07-30 Highly pure polycarbonates and method for producing same Abandoned AU5289699A (en)

Applications Claiming Priority (5)

Application Number	Priority Date	Filing Date	Title
DE1998136664 DE19836664A1 (en)	1998-08-13	1998-08-13	Very pure polycarbonate for making molding, e.g. for laser-readable optical or magneto-optical data storage medium, optical lens or prism, is produced by hot filtration after washing
DE19836664		1998-08-13
DE19847051		1998-10-13
DE1998147051 DE19847051A1 (en)	1998-10-13	1998-10-13	Production of high-purity polycarbonate, used e.g. for optical data memories, lenses and prisms, involves washing the polymer solution with aqueous liquid, heating to give a clear solution and filtering off solids
PCT/EP1999/005451 WO2000009582A1 (en)	1998-08-13	1999-07-30	Highly pure polycarbonates and method for producing same

Publications (1)

Publication Number	Publication Date
AU5289699A true AU5289699A (en)	2000-03-06

Family

ID=26048125

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AU52896/99A Abandoned AU5289699A (en)	1998-08-13	1999-07-30	Highly pure polycarbonates and method for producing same

Country Status (6)

Country	Link
EP (1)	EP1105432A1 (en)
JP (1)	JP2002522605A (en)
KR (1)	KR20010079634A (en)
AU (1)	AU5289699A (en)
BR (1)	BR9913005A (en)
WO (1)	WO2000009582A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE19952852A1 (en)	1999-11-03	2001-05-10	Bayer Ag	High-purity polymer granules and process for their production
JP2003026792A (en) *	2001-07-16	2003-01-29	Teijin Chem Ltd	Method for producing purified polycarbonate resin
DE102006050381A1 (en) *	2006-10-25	2008-05-08	Bayer Materialscience Ag	Process for the separation of an organic from an electrolyte-containing aqueous and organic phase
DE102007007462A1 (en) *	2007-02-15	2008-08-21	Bayer Materialscience Ag	Use of aluminosilicates for removing or reducing fluorescent particles in polycarbonate
CN102775595B (en) *	2012-03-12	2014-03-05	甘肃银光聚银化工有限公司	A kind of continuous purification method of polycarbonate emulsion
EP3401365B1 (en) *	2016-01-04	2021-02-17	Sumitomo Seika Chemicals CO. LTD.	Use of a composition for resin surface roughening

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPH0653793B2 (en) *	1986-10-22	1994-07-20	出光石油化学株式会社	Method of cleaning polycarbonate organic solvent liquid
US4845193A (en) *	1987-07-21	1989-07-04	Mitsubishi Gas Chemical Co., Inc.	Process for producing polycarbonate resin molding material having low particle content with vented extruder
EP0379130B2 (en) *	1989-01-20	2003-08-13	Idemitsu Petrochemical Co., Ltd.	Optical disk substrate, optical information-storage medium, and process and apparatus for manufacturing the optical disk substrate
JP2662049B2 (en) *	1989-09-14	1997-10-08	出光石油化学株式会社	Optical disk substrate and optical information recording medium
JP2542458B2 (en) *	1990-09-17	1996-10-09	出光石油化学株式会社	Manufacturing method of polycarbonate
US5200496A (en) *	1991-07-02	1993-04-06	The Dow Chemical Company	Process for preparing polycarbonate having reduced carbonate byproduct content
JP3105324B2 (en) *	1992-01-13	2000-10-30	帝人化成株式会社	Purification method of organic solvent solution of polycarbonate
JPH083307A (en) *	1994-06-24	1996-01-09	Mitsui Toatsu Chem Inc	Method for producing aromatic polycarbonate
DE19510061A1 (en) *	1995-03-20	1996-09-26	Bayer Antwerpen Nv	Purification of a polycarbonate prepd. by a two phase boundary process, in order to remove salts, monomers, catalyst etc.
JPH0987501A (en) *	1995-09-22	1997-03-31	Asahi Chem Ind Co Ltd	Additive-containing resin composition

1999
- 1999-07-30 JP JP2000565024A patent/JP2002522605A/en active Pending
- 1999-07-30 WO PCT/EP1999/005451 patent/WO2000009582A1/en not_active Ceased
- 1999-07-30 BR BR9913005-0A patent/BR9913005A/en not_active Application Discontinuation
- 1999-07-30 EP EP99938379A patent/EP1105432A1/en not_active Withdrawn
- 1999-07-30 AU AU52896/99A patent/AU5289699A/en not_active Abandoned
- 1999-07-30 KR KR1020017001800A patent/KR20010079634A/en not_active Withdrawn

Also Published As

Publication number	Publication date
WO2000009582A1 (en)	2000-02-24
BR9913005A (en)	2001-05-08
KR20010079634A (en)	2001-08-22
JP2002522605A (en)	2002-07-23
EP1105432A1 (en)	2001-06-13

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Legal Events

Date	Code	Title	Description
2001-05-10	MK6	Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase