DE69129533T2 - Verfahren zur reinigung von bromiertem polystyrol - Google Patents

Verfahren zur reinigung von bromiertem polystyrol

Info

Publication number
DE69129533T2
DE69129533T2 DE69129533T DE69129533T DE69129533T2 DE 69129533 T2 DE69129533 T2 DE 69129533T2 DE 69129533 T DE69129533 T DE 69129533T DE 69129533 T DE69129533 T DE 69129533T DE 69129533 T2 DE69129533 T2 DE 69129533T2
Authority
DE
Germany
Prior art keywords
browned
polystyrene
cleaning
cleaning browned
browned polystyrene
Prior art date
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.)
Expired - Fee Related
Application number
DE69129533T
Other languages
English (en)
Other versions
DE69129533D1 (de
Inventor
Nicolai Favstritsky
William Fielding
John Sands
Robert Stahl
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.)
Great Lakes Chemical Corp
Original Assignee
Great Lakes Chemical Corp
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 Great Lakes Chemical Corp filed Critical Great Lakes Chemical Corp
Publication of DE69129533D1 publication Critical patent/DE69129533D1/de
Application granted granted Critical
Publication of DE69129533T2 publication Critical patent/DE69129533T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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)
DE69129533T 1990-03-16 1991-03-12 Verfahren zur reinigung von bromiertem polystyrol Expired - Fee Related DE69129533T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US49430290A 1990-03-16 1990-03-16
PCT/US1991/001648 WO1991013915A1 (en) 1990-03-16 1991-03-12 Process for purifying brominated polystyrene

Publications (2)

Publication Number Publication Date
DE69129533D1 DE69129533D1 (de) 1998-07-09
DE69129533T2 true DE69129533T2 (de) 1998-10-29

Family

ID=23963919

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69129533T Expired - Fee Related DE69129533T2 (de) 1990-03-16 1991-03-12 Verfahren zur reinigung von bromiertem polystyrol

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
EP0520007A1 (de) 1992-12-30
DE69129533D1 (de) 1998-07-09
IL97569A (en) 1994-07-31
WO1991013915A1 (en) 1991-09-19
US5328983A (en) 1994-07-12
IL97569A0 (en) 1992-06-21
EP0520007B1 (de) 1998-06-03

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee