NL9400603A - Werkwijze voor het zuiveren van polycarbonaat- en polyestercarbonaatoplossingen. - Google Patents
Werkwijze voor het zuiveren van polycarbonaat- en polyestercarbonaatoplossingen. Download PDFInfo
- 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
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
- 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)
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 (it) |
JP (1) | JPH06306161A (it) |
BE (1) | BE1008857A5 (it) |
DE (1) | DE4312391A1 (it) |
IT (1) | IT1272202B (it) |
NL (1) | NL9400603A (it) |
Families Citing this family (5)
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 |
EP3002305B1 (en) | 2008-09-17 | 2018-11-07 | Saudi Aramco Technologies Company | Aliphatic polycarbonate quench method |
US8492501B2 (en) * | 2011-05-17 | 2013-07-23 | Sabic Innovative Plastics Ip B.V. | Polycarbonate recovery from polymer blends by liquid chromatography |
Citations (3)
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 (it) * | 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)
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 |
-
1993
- 1993-04-16 DE DE4312391A patent/DE4312391A1/de not_active Withdrawn
-
1994
- 1994-04-07 US US08/224,455 patent/US5420241A/en not_active Ceased
- 1994-04-11 JP JP6095452A patent/JPH06306161A/ja active Pending
- 1994-04-13 BE BE9400380A patent/BE1008857A5/fr not_active IP Right Cessation
- 1994-04-13 IT ITRM940210A patent/IT1272202B/it active IP Right Grant
- 1994-04-15 NL NL9400603A patent/NL9400603A/nl active Search and Examination
-
1997
- 1997-05-15 US US08/856,830 patent/USRE36432E/en not_active Expired - Lifetime
Patent Citations (3)
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 (it) * | 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 |
---|---|
JPH06306161A (ja) | 1994-11-01 |
DE4312391A1 (de) | 1994-10-20 |
US5420241A (en) | 1995-05-30 |
ITRM940210A1 (it) | 1994-10-17 |
USRE36432E (en) | 1999-12-07 |
IT1272202B (it) | 1997-06-16 |
BE1008857A5 (fr) | 1996-08-06 |
ITRM940210A0 (it) | 1994-04-13 |
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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 |