IL97569A - Process for purifying bromine-converted polystyrene - Google Patents
Process for purifying bromine-converted polystyreneInfo
- Publication number
- IL97569A IL97569A IL9756991A IL9756991A IL97569A IL 97569 A IL97569 A IL 97569A IL 9756991 A IL9756991 A IL 9756991A IL 9756991 A IL9756991 A IL 9756991A IL 97569 A IL97569 A IL 97569A
- Authority
- IL
- Israel
- Prior art keywords
- halogen
- polymers
- occluded
- ionic
- slurry
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F6/00—Post-polymerisation treatments
- C08F6/24—Treatment of polymer suspensions
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F8/00—Chemical modification by after-treatment
- C08F8/18—Introducing halogen atoms or halogen-containing groups
- C08F8/20—Halogenation
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US49430290A | 1990-03-16 | 1990-03-16 |
Publications (2)
Publication Number | Publication Date |
---|---|
IL97569A0 IL97569A0 (en) | 1992-06-21 |
IL97569A true IL97569A (en) | 1994-07-31 |
Family
ID=23963919
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IL9756991A IL97569A (en) | 1990-03-16 | 1991-03-15 | Process for purifying bromine-converted polystyrene |
Country Status (5)
Country | Link |
---|---|
US (1) | US5328983A (de) |
EP (1) | EP0520007B1 (de) |
DE (1) | DE69129533T2 (de) |
IL (1) | IL97569A (de) |
WO (1) | WO1991013915A1 (de) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0693100B1 (de) * | 1993-04-07 | 1998-09-09 | Great Lakes Chemical Corporation | Bromierte diphenylalkane und verfahren |
US6518368B2 (en) | 1996-06-14 | 2003-02-11 | Albemarle Corporation | Brominated polystyrene having improved thermal stability and color and process for the preparation thereof |
US5637650A (en) | 1996-06-14 | 1997-06-10 | Ferro Corporation | Brominated polysytrene having improved thermal stability and color and process for the preparation thereof |
US6232393B1 (en) | 1996-09-26 | 2001-05-15 | Albemarle Corporation | Polymers flame retarded with brominated polystyrenic resins |
CA2265642C (en) | 1996-09-26 | 2006-03-14 | Albemarle Corporation | Process for brominated styrenic polymers |
US5677390A (en) * | 1996-09-26 | 1997-10-14 | Albemarle Corporation | Process for brominating polystyrenic resins |
US6235831B1 (en) | 1996-09-26 | 2001-05-22 | Albemarle Corporation | Polymer compositions containing brominated polystyrenic resins |
US5686538A (en) * | 1996-09-26 | 1997-11-11 | Albemarle Corporation | Process for brominating polystyrenic resins |
US6521714B2 (en) | 1996-09-26 | 2003-02-18 | Albemarle Corporation | Brominated polystyrenic resins |
US6232408B1 (en) | 1996-09-26 | 2001-05-15 | Albemarle Corporation | Brominated polstyrenic resins |
US6326439B1 (en) | 1996-09-26 | 2001-12-04 | Albemarle Corporation | Process for brominating polystyrenic resins |
US6133381A (en) * | 1996-09-26 | 2000-10-17 | Albelmarle Corporation | Brominated polystyrenic flame retardants |
US6235844B1 (en) | 1996-09-26 | 2001-05-22 | Albemarle Corporation | Brominated polystyrenic resins |
EP2189480B1 (de) * | 1997-05-07 | 2014-12-03 | Albemarle Corporation | Verfahren zur Brominierung von Polystyrolharzen |
US6992148B2 (en) * | 2003-12-31 | 2006-01-31 | Albemarle Corporation | Recovery of antimony catalyst residues from bromination reaction mixtures |
US11786891B2 (en) | 2021-05-24 | 2023-10-17 | Ddp Specialty Electronic Materials Us, Llc | Process for recovering quaternary salt bromination catalyst |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE600142A (de) * | 1960-02-11 | |||
FR2413409A1 (fr) * | 1978-01-02 | 1979-07-27 | Huels Chemische Werke Ag | Procede pour preparer des polystyrenes resistant a la chaleur, bromes sur le noyau |
DE3215911A1 (de) * | 1982-04-29 | 1983-11-03 | Basf Ag, 6700 Ludwigshafen | Verfahren zur behandlung von (co)polymerisaten zur entfernung von restmonomeren |
EP0124278B1 (de) * | 1983-04-01 | 1989-11-02 | Exxon Research And Engineering Company | Verfahren zur Herstellung von halogenierten Polymerisaten |
US4879353A (en) * | 1987-01-28 | 1989-11-07 | Great Lakes Chemical Corporation | Bromination of polystyrene using bromine as the reaction solvent |
-
1991
- 1991-03-12 WO PCT/US1991/001648 patent/WO1991013915A1/en active IP Right Grant
- 1991-03-12 DE DE69129533T patent/DE69129533T2/de not_active Expired - Fee Related
- 1991-03-12 EP EP91906520A patent/EP0520007B1/de not_active Expired - Lifetime
- 1991-03-15 IL IL9756991A patent/IL97569A/en not_active IP Right Cessation
-
1992
- 1992-03-02 US US07/844,478 patent/US5328983A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0520007A1 (de) | 1992-12-30 |
DE69129533D1 (de) | 1998-07-09 |
WO1991013915A1 (en) | 1991-09-19 |
US5328983A (en) | 1994-07-12 |
DE69129533T2 (de) | 1998-10-29 |
IL97569A0 (en) | 1992-06-21 |
EP0520007B1 (de) | 1998-06-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
KB | Patent renewed | ||
MM9K | Patent not in force due to non-payment of renewal fees |