NL9400603A - Werkwijze voor het zuiveren van polycarbonaat- en polyestercarbonaatoplossingen. - Google Patents

Werkwijze voor het zuiveren van polycarbonaat- en polyestercarbonaatoplossingen. Download PDF

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Publication number
NL9400603A
NL9400603A NL9400603A NL9400603A NL9400603A NL 9400603 A NL9400603 A NL 9400603A NL 9400603 A NL9400603 A NL 9400603A NL 9400603 A NL9400603 A NL 9400603A NL 9400603 A NL9400603 A NL 9400603A
Authority
NL
Netherlands
Prior art keywords
polycarbonates
bis
polyester carbonates
hydroxyphenyl
alumosilicates
Prior art date
Application number
NL9400603A
Other languages
English (en)
Dutch (nl)
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 NL9400603A publication Critical patent/NL9400603A/nl

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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
    • C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
    • C08G63/88—Post-polymerisation treatment
    • C08G63/90—Purification; Drying
    • 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)
  • Compositions Of Macromolecular Compounds (AREA)
NL9400603A 1993-04-16 1994-04-15 Werkwijze voor het zuiveren van polycarbonaat- en polyestercarbonaatoplossingen. NL9400603A (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4312391 1993-04-16
DE4312391A DE4312391A1 (de) 1993-04-16 1993-04-16 Verfahren zum Reinigen von Polycarbonat- und Polyestercarbonatlösungen

Publications (1)

Publication Number Publication Date
NL9400603A true NL9400603A (nl) 1994-11-16

Family

ID=6485578

Family Applications (1)

Application Number Title Priority Date Filing Date
NL9400603A NL9400603A (nl) 1993-04-16 1994-04-15 Werkwijze voor het zuiveren van polycarbonaat- en polyestercarbonaatoplossingen.

Country Status (6)

Country Link
US (2) US5420241A (de)
JP (1) JPH06306161A (de)
BE (1) BE1008857A5 (de)
DE (1) DE4312391A1 (de)
IT (1) IT1272202B (de)
NL (1) NL9400603A (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4421701A1 (de) * 1994-06-21 1996-01-04 Bayer Ag Verfahren zum chemischen Recycling von Polycarbonaten
JP3588558B2 (ja) * 1998-08-18 2004-11-10 帝人化成株式会社 光学用ポリカーボネート樹脂成形材料および光ディスク基板
DE102007007462A1 (de) 2007-02-15 2008-08-21 Bayer Materialscience Ag Verwendung von Alumosilikaten zur Entfernung bzw. Reduzierung von fluoreszierenden Partikeln in Polycarbonat
EP2342258B1 (de) 2008-09-17 2015-11-11 Novomer, Inc. Reinigung von polycarbonaten
US8492501B2 (en) * 2011-05-17 2013-07-23 Sabic Innovative Plastics Ip B.V. Polycarbonate recovery from polymer blends by liquid chromatography

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1524965A (fr) * 1963-03-22 1968-05-17 Ministerul Ind Petrolului Procédé de purification des solutions de polyesters
FR2246581A1 (de) * 1973-10-06 1975-05-02 Bayer Ag
US4177343A (en) * 1977-12-19 1979-12-04 The Dow Chemical Company Purification of polymer solution

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61210057A (ja) * 1985-12-24 1986-09-18 Tokuyama Soda Co Ltd カ−ボネ−ト化合物の精製方法
US4891421A (en) * 1987-06-22 1990-01-02 Dainippon Ink And Chemicals, Inc. Processes for producing polycarbonate polyols

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1524965A (fr) * 1963-03-22 1968-05-17 Ministerul Ind Petrolului Procédé de purification des solutions de polyesters
FR2246581A1 (de) * 1973-10-06 1975-05-02 Bayer Ag
US4177343A (en) * 1977-12-19 1979-12-04 The Dow Chemical Company Purification of polymer solution

Also Published As

Publication number Publication date
ITRM940210A0 (it) 1994-04-13
USRE36432E (en) 1999-12-07
IT1272202B (it) 1997-06-16
DE4312391A1 (de) 1994-10-20
ITRM940210A1 (it) 1994-10-17
BE1008857A5 (fr) 1996-08-06
JPH06306161A (ja) 1994-11-01
US5420241A (en) 1995-05-30

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Legal Events

Date Code Title Description
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
BN A decision not to publish the application has become irrevocable