ATE27704T1 - Verfahren zum bromieren von styrenpolymerisaten. - Google Patents
Verfahren zum bromieren von styrenpolymerisaten.Info
- Publication number
- ATE27704T1 ATE27704T1 AT81200922T AT81200922T ATE27704T1 AT E27704 T1 ATE27704 T1 AT E27704T1 AT 81200922 T AT81200922 T AT 81200922T AT 81200922 T AT81200922 T AT 81200922T AT E27704 T1 ATE27704 T1 AT E27704T1
- Authority
- AT
- Austria
- Prior art keywords
- polystyrene
- bromination
- substitution
- styrene polymers
- weight
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 3
- 230000031709 bromination Effects 0.000 title abstract 2
- 238000005893 bromination reaction Methods 0.000 title abstract 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 title 2
- 229920000642 polymer Polymers 0.000 title 1
- 239000004793 Polystyrene Substances 0.000 abstract 5
- 229920002223 polystyrene Polymers 0.000 abstract 5
- 238000006467 substitution reaction Methods 0.000 abstract 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 abstract 1
- CODNYICXDISAEA-UHFFFAOYSA-N bromine monochloride Chemical compound BrCl CODNYICXDISAEA-UHFFFAOYSA-N 0.000 abstract 1
- 229910052801 chlorine Inorganic materials 0.000 abstract 1
- 239000000460 chlorine Substances 0.000 abstract 1
- 239000011968 lewis acid catalyst Substances 0.000 abstract 1
- 239000002904 solvent Substances 0.000 abstract 1
- 125000003011 styrenyl group Chemical class [H]\C(*)=C(/[H])C1=C([H])C([H])=C([H])C([H])=C1[H] 0.000 abstract 1
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
- C08F8/00—Chemical modification by after-treatment
- C08F8/18—Introducing halogen atoms or halogen-containing groups
- C08F8/20—Halogenation
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of AC power input into DC power output; Conversion of DC power input into AC power output
- H02M7/42—Conversion of DC power input into AC power output without possibility of reversal
- H02M7/44—Conversion of DC power input into AC power output without possibility of reversal by static converters
- H02M7/48—Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/53—Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M7/537—Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters
- H02M7/5387—Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a bridge configuration
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
- H05B41/14—Circuit arrangements
- H05B41/26—Circuit arrangements in which the lamp is fed by power derived from DC by means of a converter, e.g. by high-voltage DC
- H05B41/28—Circuit arrangements in which the lamp is fed by power derived from DC by means of a converter, e.g. by high-voltage DC using static converters
- H05B41/288—Circuit arrangements in which the lamp is fed by power derived from DC by means of a converter, e.g. by high-voltage DC using static converters with semiconductor devices and specially adapted for lamps without preheating electrodes, e.g. for high-intensity discharge lamps, high-pressure mercury or sodium lamps or low-pressure sodium lamps
- H05B41/2885—Static converters especially adapted therefor; Control thereof
- H05B41/2887—Static converters especially adapted therefor; Control thereof characterised by a controllable bridge in the final stage
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
- H05B41/14—Circuit arrangements
- H05B41/26—Circuit arrangements in which the lamp is fed by power derived from DC by means of a converter, e.g. by high-voltage DC
- H05B41/28—Circuit arrangements in which the lamp is fed by power derived from DC by means of a converter, e.g. by high-voltage DC using static converters
- H05B41/288—Circuit arrangements in which the lamp is fed by power derived from DC by means of a converter, e.g. by high-voltage DC using static converters with semiconductor devices and specially adapted for lamps without preheating electrodes, e.g. for high-intensity discharge lamps, high-pressure mercury or sodium lamps or low-pressure sodium lamps
- H05B41/292—Arrangements for protecting lamps or circuits against abnormal operating conditions
- H05B41/2921—Arrangements for protecting lamps or circuits against abnormal operating conditions for protecting the circuit against abnormal operating conditions
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S315/00—Electric lamp and discharge devices: systems
- Y10S315/07—Starting and control circuits for gas discharge lamp using transistors
Landscapes
- Chemical & Material Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Polyesters Or Polycarbonates (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/179,913 US4352909A (en) | 1980-08-20 | 1980-08-20 | Process for the bromination of polystyrenes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE27704T1 true ATE27704T1 (de) | 1987-06-15 |
Family
ID=22658497
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT81200922T ATE27704T1 (de) | 1980-08-20 | 1981-08-19 | Verfahren zum bromieren von styrenpolymerisaten. |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US4352909A (de) |
| EP (1) | EP0047549B1 (de) |
| JP (1) | JPS5753505A (de) |
| AT (1) | ATE27704T1 (de) |
| AU (1) | AU541231B2 (de) |
| CA (1) | CA1159197A (de) |
| DE (1) | DE3176246D1 (de) |
| DK (1) | DK362181A (de) |
| ES (1) | ES505354A0 (de) |
| IL (1) | IL63625A (de) |
| NZ (1) | NZ198075A (de) |
| ZA (1) | ZA814856B (de) |
Families Citing this family (71)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6065063A (ja) * | 1983-09-20 | 1985-04-13 | Matsunaga Kagaku Kogyo Kk | 難燃化剤 |
| JPH0611856B2 (ja) * | 1983-10-25 | 1994-02-16 | 三菱瓦斯化学株式会社 | 難燃性ポリフエニレンエーテル系樹脂組成物 |
| DE3340025C2 (de) * | 1983-11-03 | 1986-01-09 | Schering AG, 1000 Berlin und 4709 Bergkamen | Verfahren zur Herstellung von 2-Brom-8-ergolinyl-Verbindungen |
| JPH068554B2 (ja) * | 1984-04-02 | 1994-02-02 | 大倉工業株式会社 | 下地板の製造方法 |
| BR8507102A (pt) * | 1984-12-05 | 1987-03-31 | Gen Electric | Termoplasticos contendo homopolimero bromado |
| JPH0665706B2 (ja) * | 1985-02-15 | 1994-08-24 | 旭化成工業株式会社 | 難燃性ナイロン４−６組成物 |
| EP0201411A3 (de) * | 1985-05-03 | 1989-02-08 | The Dow Chemical Company | Bromierte Polymere aus alkenylaromatischen Verbindungen |
| DE3874359T2 (de) * | 1987-01-27 | 1993-04-22 | Asahi Chemical Ind | Flammwidrige polyamidharzzubereitung. |
| US4879353A (en) * | 1987-01-28 | 1989-11-07 | Great Lakes Chemical Corporation | Bromination of polystyrene using bromine as the reaction solvent |
| US4832873A (en) * | 1987-10-09 | 1989-05-23 | Great Lakes Chemical Corporation | Process for producing polybrominated higher alkylbenzenes |
| US5543452A (en) * | 1988-03-15 | 1996-08-06 | Asahi Kasei Kogyo Kabushiki Kaisha | Flame-resistant polyamide resin compositions and flame retardants therefor |
| JP2724867B2 (ja) * | 1988-03-15 | 1998-03-09 | 旭化成工業株式会社 | 難燃性ポリアミド組成物及び難燃剤 |
| JPH02215807A (ja) * | 1989-02-17 | 1990-08-28 | Nippon Kayaku Co Ltd | 臭素化ポリスチレンの製造方法 |
| US5112898A (en) * | 1989-06-06 | 1992-05-12 | Ferro Corporation | High impact polystyrene containing low molecular weight brominated polystyrene |
| US5112897A (en) * | 1989-06-06 | 1992-05-12 | Ferro Corporation | High impact polystyrene containing low molecular weight brominated polystyrene |
| US5112896A (en) * | 1989-06-06 | 1992-05-12 | Ferro Corporation | High-impact polystyrene containing low molecular weight brominated polystyrene |
| US4975496A (en) * | 1989-08-10 | 1990-12-04 | The Dow Chemical Company | Process for brominating aromatic resins |
| US4966946A (en) * | 1990-02-02 | 1990-10-30 | Great Lakes Chemical Corporation | Block copolymer of polyalkylene and halogenated polystyrene |
| EP0476737A3 (en) * | 1990-08-27 | 1992-05-06 | Shell Internationale Research Maatschappij B.V. | Block copolymer of polyalkylene and halogenated poly(vinyl aromatic) |
| US5235000A (en) * | 1990-12-10 | 1993-08-10 | Ethyl Corporation | Preparation, storage, and usage of bromine chloride |
| JP2548651B2 (ja) * | 1991-12-13 | 1996-10-30 | アワーブレーン環境設計株式会社 | 連続吊り足場、建造物の壁面洗浄方法、建造物の壁面洗浄装置及び吊り足場用ワイヤロープの欠陥検出装置 |
| US5616656A (en) * | 1995-04-06 | 1997-04-01 | Ferro Corporation | Method for making brominated syndiotactic styrenic polymers |
| AU5369496A (en) * | 1995-04-06 | 1996-10-23 | Ferro Corporation | Brominated syndiotactic styrenic polymers and method for mak ing and using same |
| US5882551A (en) * | 1995-04-06 | 1999-03-16 | Ferro Corporation | Brominated syndiotactic polystyrene and the use thereof |
| US5532322B1 (en) † | 1995-09-26 | 1999-12-07 | Manac Inc | Process for preparing brominated polystyrene |
| US5637650A (en) | 1996-06-14 | 1997-06-10 | Ferro Corporation | Brominated polysytrene having improved thermal stability and color and process for the preparation thereof |
| US6518368B2 (en) | 1996-06-14 | 2003-02-11 | Albemarle Corporation | Brominated polystyrene having improved thermal stability and color and process for the preparation thereof |
| US5723549A (en) * | 1996-06-14 | 1998-03-03 | Ferro Corporation | Process for the preparation of brominated polystyrene having improved color characteristics |
| 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 |
| US5686538A (en) * | 1996-09-26 | 1997-11-11 | Albemarle Corporation | Process for brominating polystyrenic resins |
| US6232393B1 (en) | 1996-09-26 | 2001-05-15 | Albemarle Corporation | Polymers flame retarded with brominated polystyrenic resins |
| US5677390A (en) * | 1996-09-26 | 1997-10-14 | Albemarle Corporation | Process for brominating polystyrenic resins |
| US6232408B1 (en) | 1996-09-26 | 2001-05-15 | Albemarle Corporation | Brominated polstyrenic resins |
| US6521714B2 (en) | 1996-09-26 | 2003-02-18 | Albemarle Corporation | Brominated polystyrenic resins |
| US5767203A (en) * | 1996-09-26 | 1998-06-16 | Albemarle Corporation | Process for brominated styrenic polymers |
| EP0928300B1 (de) | 1996-09-26 | 2000-05-10 | Albemarle Corporation | Verfahren zur bromierung von styrolpolymeren |
| US6235831B1 (en) | 1996-09-26 | 2001-05-22 | Albemarle Corporation | Polymer compositions containing brominated polystyrenic resins |
| US6235844B1 (en) | 1996-09-26 | 2001-05-22 | Albemarle Corporation | Brominated polystyrenic resins |
| EP1293517B1 (de) | 1997-05-07 | 2005-12-21 | Albemarle Corporation | Bromierte Polystyrolharze |
| CN1122046C (zh) * | 1997-11-18 | 2003-09-24 | 阿尔伯麦尔公司 | 制备具有改进颜色性能的溴化聚苯乙烯方法 |
| US6146555A (en) * | 1998-01-19 | 2000-11-14 | Ferro Corporation | Brominated copolymer flame retardant additives having improved color characteristics and related method |
| EP1115756A1 (de) * | 1998-09-10 | 2001-07-18 | Albemarle Corporation | Verbesserte bromierte polystyrolharze und ihre verwendung |
| US6743825B1 (en) | 2001-08-03 | 2004-06-01 | Albemarle Corporation | Poly(bromoaryl)alkane additives and methods for their preparation and use |
| US7311968B2 (en) | 2004-06-30 | 2007-12-25 | The Procter & Gamble Company | Absorbent structures comprising coated super-absorbent polymer particles |
| US7125945B2 (en) * | 2003-09-19 | 2006-10-24 | Varian, Inc. | Functionalized polymer for oligonucleotide purification |
| US6992148B2 (en) * | 2003-12-31 | 2006-01-31 | Albemarle Corporation | Recovery of antimony catalyst residues from bromination reaction mixtures |
| WO2006105115A2 (en) * | 2005-03-31 | 2006-10-05 | Albemarle Corporation | Improved polymer halogenation process with catalyst recovery |
| JP5116670B2 (ja) * | 2005-06-30 | 2013-01-09 | アルベマール・コーポレーシヨン | 臭素化スチレン系ポリマーおよびこれらの製造 |
| BR112012028309A2 (pt) | 2010-05-05 | 2016-11-01 | Basf Se | "componente, e, processo para a produção de um componente" |
| CN102229682B (zh) * | 2011-05-06 | 2013-07-17 | 凯瑞化工股份有限公司 | 高比重树脂及其在减少丁烯水合反应器水帽腐蚀中的应用 |
| WO2014135624A1 (en) | 2013-03-07 | 2014-09-12 | Basf Se | Heat conducting thermoplastic moulding compositions comprising a flame retardant |
| CN105492472B (zh) * | 2013-07-24 | 2019-08-13 | 信实工业公司 | 一种降低卤代聚合物残留酸度的方法 |
| CN109485755B (zh) * | 2018-12-27 | 2021-05-11 | 山东旭锐新材有限公司 | 一种bps产品及其氯化溴法的制备方法 |
| JP6593738B1 (ja) * | 2019-06-18 | 2019-10-23 | 新日本特機株式会社 | 電気自動車用制動トルク発生装置および電気自動車 |
| FR3102768B1 (fr) * | 2019-10-30 | 2022-12-16 | Arkema France | Procédé de valorisation de retardateurs de flamme bromés |
| JP7845627B2 (ja) | 2019-11-26 | 2026-04-14 | ビーエーエスエフ ソシエタス・ヨーロピア | 難燃性ポリエステル成形組成物 |
| CN115003758A (zh) | 2020-01-27 | 2022-09-02 | 巴斯夫欧洲公司 | 耐热的热塑性聚酰胺模塑组合物 |
| CN115210319B (zh) | 2020-02-26 | 2024-12-06 | 巴斯夫欧洲公司 | 耐热聚酰胺模塑组合物 |
| US20230203304A1 (en) | 2020-03-20 | 2023-06-29 | Basf Se | Plasticized polyamide molding compositions |
| JP2023523694A (ja) | 2020-03-25 | 2023-06-07 | ビーエーエスエフ ソシエタス・ヨーロピア | 耐熱老化性ポリアミド成形組成物 |
| WO2022180221A1 (en) | 2021-02-25 | 2022-09-01 | Basf Se | Polymers having improved thermal conductivity |
| KR20240004763A (ko) | 2021-04-30 | 2024-01-11 | 바스프 에스이 | 지방족 코폴리아미드 조성물 |
| US20240336776A1 (en) | 2021-08-30 | 2024-10-10 | Basf Se | Polyamide compositions and article |
| US20250320346A1 (en) | 2022-06-08 | 2025-10-16 | Basf Se | Recycling method for producing a polyamide compound |
| WO2024041953A1 (en) | 2022-08-23 | 2024-02-29 | Basf Se | Flame retardant polyamide composition and article produced from the composition |
| EP4594423A1 (de) | 2022-09-27 | 2025-08-06 | Basf Se | Thermoplastische formmassen mit verbesserter farbstabilität-1 |
| CN117106109B (zh) * | 2023-10-25 | 2024-06-04 | 山东海化集团有限公司 | 一种连续化制备溴化聚苯乙烯的方法 |
| WO2026021379A1 (en) | 2024-07-22 | 2026-01-29 | Basf Se | Long chain polyamide compositions having improved flame retardance |
| WO2026062669A1 (en) * | 2024-09-19 | 2026-03-26 | Gujarat Fluorochemicals Limited | A process for the preparation of 2-bromo-5-fluorobenzotrifluoride (bfbtf) |
| WO2026098475A1 (en) | 2024-11-06 | 2026-05-15 | Basf Se | Bio-based polyamide composition having good stiffness and heat resistance |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2651435C3 (de) * | 1976-11-11 | 1980-11-27 | Basf Ag, 6700 Ludwigshafen | Verfahren zur Herstellung von bromierten Polymerisationsprodukten des Styrols |
| 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 |
| DE2800013C2 (de) | 1978-01-02 | 1982-12-23 | Chemische Werke Hüls AG, 4370 Marl | Verfahren zur Herstellung von wärmebeständigen, kernbromierten Polystyrolen |
| DE2800012B2 (de) | 1978-01-02 | 1981-08-13 | Chemische Werke Hüls AG, 4370 Marl | Verfahren zur Herstellung von wärmebeständigen, kernbromierten Polystyrolen |
-
1980
- 1980-08-20 US US06/179,913 patent/US4352909A/en not_active Expired - Lifetime
-
1981
- 1981-07-15 ZA ZA814856A patent/ZA814856B/xx unknown
- 1981-08-14 AU AU74085/81A patent/AU541231B2/en not_active Expired
- 1981-08-14 DK DK362181A patent/DK362181A/da not_active Application Discontinuation
- 1981-08-17 JP JP56127876A patent/JPS5753505A/ja active Granted
- 1981-08-18 NZ NZ198075A patent/NZ198075A/en unknown
- 1981-08-19 CA CA000384208A patent/CA1159197A/en not_active Expired
- 1981-08-19 EP EP81200922A patent/EP0047549B1/de not_active Expired
- 1981-08-19 DE DE8181200922T patent/DE3176246D1/de not_active Expired
- 1981-08-19 AT AT81200922T patent/ATE27704T1/de not_active IP Right Cessation
- 1981-08-19 ES ES81505354A patent/ES505354A0/es active Granted
- 1981-08-20 IL IL63625A patent/IL63625A/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| US4352909A (en) | 1982-10-05 |
| AU7408581A (en) | 1982-02-25 |
| CA1159197A (en) | 1983-12-20 |
| JPS5753505A (en) | 1982-03-30 |
| AU541231B2 (en) | 1984-12-20 |
| EP0047549A2 (de) | 1982-03-17 |
| ZA814856B (en) | 1982-07-28 |
| JPH0157684B2 (de) | 1989-12-07 |
| IL63625A (en) | 1985-02-28 |
| EP0047549B1 (de) | 1987-06-10 |
| EP0047549A3 (en) | 1982-12-22 |
| NZ198075A (en) | 1984-11-09 |
| DK362181A (da) | 1982-02-21 |
| DE3176246D1 (en) | 1987-07-16 |
| ES8300799A1 (es) | 1982-12-01 |
| IL63625A0 (en) | 1981-11-30 |
| ES505354A0 (es) | 1982-12-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| AU541231B2 (en) | Bromination of polystyrenes | |
| US4879353A (en) | Bromination of polystyrene using bromine as the reaction solvent | |
| CA1124947A (en) | Process for the manufacture of brominated products of polystyrene | |
| SE8901533L (sv) | Acetofenon | |
| US2487829A (en) | Polyvinylpyridinium halides | |
| ES431849A1 (es) | Procedimiento para la preparacion de compuestos de bencimi-dazolona clorados yno bromados. | |
| US4190609A (en) | Process for the directed chlorination of xylenes | |
| DE2739433C2 (de) | ||
| GB1060546A (en) | Polyarylsulphone polymers | |
| GB1491841A (en) | Process for the preparation of 2,5-dichloro-p-xylene | |
| US3101250A (en) | Process for sorption of bromide ion on anion exchange resins | |
| GB856452A (en) | Protective agents against textile pests, mould and bacteria | |
| JPS5880307A (ja) | 耐熱性陽イオン交換樹脂の製造法 | |
| JPH06340562A (ja) | 芳香族化合物の側鎖塩素化方法 | |
| GB934970A (en) | Process for the production of bromine derivatives of aromatic compounds containing more than three bromine atoms | |
| GB1528534A (en) | Process for producing a halogenated phenol and flameproofing agents produced therefrom | |
| GB1330104A (en) | Process for the production of aromatic dinitrohalogen compounds | |
| GB1410410A (en) | Purification of 1,2-dichloroethane | |
| JPS6447751A (en) | Production of bromoacetonitrile | |
| GB1410419A (en) | Preparation of 1,2-dichloroethane | |
| BE877954A (fr) | Procede de production de polymeres de chlorure de vinyle | |
| JPS61183236A (ja) | ジクロロベンゼンの製造方法 | |
| IT7919761A0 (it) | N-alchil-piperidin derivati dell'acido idrossi-benzil malonico e loro impiego come stabilizzanti per polimeri. | |
| ES250126A1 (es) | Un procedimiento de obtenciën por catalisis, de derivados clorados aromaticos | |
| GB841946A (en) | Halogenation of polymeric hydrocarbons |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| UEP | Publication of translation of european patent specification | ||
| EELA | Cancelled due to lapse of time |