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PL1618167T3 - Koncentraty środków zapobiegających zamarzaniu i kompozycje chłodziw na bazie poliglikoli i amidów do ochrony magnezu i jego stopów - Google Patents

Koncentraty środków zapobiegających zamarzaniu i kompozycje chłodziw na bazie poliglikoli i amidów do ochrony magnezu i jego stopów

Info

Publication number
PL1618167T3
PL1618167T3 PL04722834T PL04722834T PL1618167T3 PL 1618167 T3 PL1618167 T3 PL 1618167T3 PL 04722834 T PL04722834 T PL 04722834T PL 04722834 T PL04722834 T PL 04722834T PL 1618167 T3 PL1618167 T3 PL 1618167T3
Authority
PL
Poland
Prior art keywords
alloys
polyglycols
amides
compositions based
coolant compositions
Prior art date
Application number
PL04722834T
Other languages
English (en)
Inventor
Bernd Wenderoth
Stefan Dambach
Gerhard Weiss
Original Assignee
Basf Se
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 Basf Se filed Critical Basf Se
Publication of PL1618167T3 publication Critical patent/PL1618167T3/pl

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23FNON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F11/00Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent
    • C23F11/08Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids
    • C23F11/10Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids using organic inhibitors
    • C23F11/16Sulfur-containing compounds
    • C23F11/164Sulfur-containing compounds containing a -SO2-N group
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K5/00Heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants; Materials for the production of heat or cold by chemical reactions other than by combustion
    • C09K5/20Antifreeze additives therefor, e.g. for radiator liquids
    • CCHEMISTRY; METALLURGY
    • C23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23FNON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F11/00Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent
    • C23F11/08Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids
    • C23F11/10Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids using organic inhibitors
    • CCHEMISTRY; METALLURGY
    • C23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23FNON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F11/00Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent
    • C23F11/08Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids
    • C23F11/10Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids using organic inhibitors
    • C23F11/14Nitrogen-containing compounds
    • C23F11/145Amides; N-substituted amides

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Combustion & Propulsion (AREA)
  • Thermal Sciences (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)
  • Materials Applied To Surfaces To Minimize Adherence Of Mist Or Water (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
PL04722834T 2003-03-25 2004-03-24 Koncentraty środków zapobiegających zamarzaniu i kompozycje chłodziw na bazie poliglikoli i amidów do ochrony magnezu i jego stopów PL1618167T3 (pl)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10313280A DE10313280A1 (de) 2003-03-25 2003-03-25 Gefrierschutzmittelkonzentrate und Kühlmittelzusammensetzungen auf Basis von Polyglykolen und Amiden zum Schutz von Magnesium und dessen Legierungen
EP04722834A EP1618167B1 (de) 2003-03-25 2004-03-24 Gefrierschutzmittelkonzentrate und kühlmittelzusammensetzungen auf basis von polyglykolen und amiden zum schutz von magnesium und dessen legierungen
PCT/EP2004/003108 WO2004085566A1 (de) 2003-03-25 2004-03-24 Gefrierschutzmittelkonzentrate und kühlmittelzusammensetzungen auf basis von polyglykolen und amiden zum schutz von magnesium und dessen legierungen

Publications (1)

Publication Number Publication Date
PL1618167T3 true PL1618167T3 (pl) 2009-03-31

Family

ID=32946146

Family Applications (1)

Application Number Title Priority Date Filing Date
PL04722834T PL1618167T3 (pl) 2003-03-25 2004-03-24 Koncentraty środków zapobiegających zamarzaniu i kompozycje chłodziw na bazie poliglikoli i amidów do ochrony magnezu i jego stopów

Country Status (15)

Country Link
US (1) US7588695B2 (pl)
EP (1) EP1618167B1 (pl)
CN (1) CN100580049C (pl)
AT (1) ATE407988T1 (pl)
AU (1) AU2004224163B2 (pl)
BR (1) BRPI0408712A (pl)
CA (1) CA2520246C (pl)
DE (2) DE10313280A1 (pl)
ES (1) ES2311149T3 (pl)
MX (1) MXPA05010060A (pl)
NO (1) NO20054795L (pl)
PL (1) PL1618167T3 (pl)
PT (1) PT1618167E (pl)
WO (1) WO2004085566A1 (pl)
ZA (1) ZA200507692B (pl)

Families Citing this family (44)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2003248060A1 (en) 2003-07-11 2005-01-28 Shishiai-Kabushikigaisha Cooling fluid composition for fuel battery
EP1816177A4 (en) 2004-10-25 2010-10-06 Shishiai Kk FREEZER AND COOLANT
US7282159B2 (en) * 2005-02-25 2007-10-16 E.I. Dupont De Nemours And Company Process for heat transfer utilizing a polytrimethylene ether glycol or polytrimethylene ether ester glycol based heat transfer fluid
SI1859002T1 (sl) * 2005-02-28 2011-08-31 Basf Se Koncentracija sredstva proti zamrzovanju vsebujoäśa glicerin z zaĺ äśito proti koroziji
WO2007002558A1 (en) 2005-06-24 2007-01-04 Honeywell International Inc. Method for inhibiting corrosion in brazed metal surfaces and coolants and additives for use therein
ES2405817T3 (es) 2005-10-25 2013-06-03 Prestone Products Corporation Composiciones de fluido de transferencia de calor para sistemas de refrigeración que contienen magnesio o aleaciones de magnesio
WO2008123845A2 (en) * 2006-02-10 2008-10-16 Dupont Tate & Lyle Bio Products Company, Llc Compositions comprising mono and di esters of biologically-based 1.3-propanediol
US7790054B2 (en) 2007-06-28 2010-09-07 Chevron U.S.A. Inc. Antifreeze concentrate and coolant compositions and preparation thereof
ES2607225T3 (es) * 2008-11-07 2017-03-29 Prestone Products Corporation Fluidos de transferencia de calor y formulaciones inhibidoras de la corrosión para la utilización de los mismos
DE102010002341A1 (de) * 2010-02-25 2011-08-25 Behr GmbH & Co. KG, 70469 Wärmeübertrager und Bauteile für Kfz-Kühlkreisläufe
DE102010010408A1 (de) 2010-03-05 2011-09-08 Clariant International Limited Biologisch abbaubare, frostsichere Wärmeträgerflüssigkeit, ihre Verwendung in oberflächennahen, geothermischen Anlagen, und ein Konzentrat zu ihrer Herstellung
FR2958654B1 (fr) * 2010-04-08 2013-08-23 Dehon S A Liquide caloporteur
KR101204330B1 (ko) 2010-06-22 2012-11-23 극동제연공업 주식회사 연료전지 냉각액 조성물
CN102766872B (zh) * 2012-07-26 2014-10-01 烟台泰和新材料股份有限公司 复方腐蚀抑制剂及其应用
US9023235B2 (en) 2012-09-07 2015-05-05 Prestone Products Corporation Heat transfer fluid additive composition
US9994755B2 (en) 2012-09-07 2018-06-12 Prestone Products Corporation Heat transfer fluids and corrosion inhibitor formulations for use thereof
US8617416B1 (en) 2012-09-07 2013-12-31 Prestone Products Corporation Heat transfer fluids and corrosion inhibitor formulations for use thereof
US8613866B1 (en) 2012-09-07 2013-12-24 Prestone Products Corporation Heat transfer fluids and corrosion inhibitor formulations for use thereof
US9567507B2 (en) 2012-09-07 2017-02-14 Prestone Products Corporation Heat transfer fluids and corrosion inhibitor formulations for use thereof
CN102936487A (zh) * 2012-11-29 2013-02-20 大连创达技术交易市场有限公司 一种汽车玻璃防雾剂的制备方法
WO2014104999A1 (en) * 2012-12-26 2014-07-03 Unsallar Dayanikli Tuketim Mallari San. Ve Tic. Ltd. Sti. Concentrated chemical preventing freezing up to -40 degrees in heating and cooling systems and solar energy panels, reducing corrosion, algae growth and calcification, and providing fuel savings with less operation thereof by increasing the heat conduction
US20140264150A1 (en) * 2013-03-13 2014-09-18 Globaltech Fluids, Llc Glycerol Engine Coolant Systems
US9328278B2 (en) 2013-06-12 2016-05-03 Ashland Licensing And Intellectual Property Llc Extended operation engine coolant composition
US9540558B2 (en) * 2013-06-12 2017-01-10 Ashland Licensing And Intellectual Property, Llc Extended operation engine coolant composition
RU2540545C2 (ru) * 2013-07-05 2015-02-10 Наталья Юрьевна Давидовская Антифриз
MX387703B (es) * 2014-04-02 2025-03-18 Evans Cooling Systems Inc Fluido no acuoso de transferencia de calor con viscosidad reducida de baja temperatura.
CN104327805A (zh) * 2014-11-19 2015-02-04 柳州市潮林机械有限公司 机车防冻液
CA3034690C (en) 2016-07-12 2023-08-29 Prestone Products Corporation Heat transfer fluids and methods for preventing corrosion in heat transfer systems
EP3601471A1 (de) * 2017-03-21 2020-02-05 Basf Se Gefrierschutzmittelkonzentrate mit korrosionsschutz
US10793762B2 (en) 2017-08-15 2020-10-06 Saudi Arabian Oil Company Layered double hydroxides for oil-based drilling fluids
US10647903B2 (en) 2017-08-15 2020-05-12 Saudi Arabian Oil Company Oil-based drilling fluid compositions which include layered double hydroxides as rheology modifiers and amino amides as emulsifiers
US10876039B2 (en) 2017-08-15 2020-12-29 Saudi Arabian Oil Company Thermally stable surfactants for oil based drilling fluids
US10676658B2 (en) 2017-08-15 2020-06-09 Saudi Arabian Oil Company Oil-based drilling fluids for high pressure and high temperature drilling operations
US10745606B2 (en) 2017-08-15 2020-08-18 Saudi Arabian Oil Company Oil-based drilling fluid compositions which include layered double hydroxides as rheology modifiers
US10640696B2 (en) 2017-08-15 2020-05-05 Saudi Arabian Oil Company Oil-based drilling fluids for high pressure and high temperature drilling operations
US10988659B2 (en) 2017-08-15 2021-04-27 Saudi Arabian Oil Company Layered double hydroxides for oil-based drilling fluids
CN111032818A (zh) 2017-08-15 2020-04-17 沙特阿拉伯石油公司 油基钻井液的热稳定表面活性剂
MX2021005340A (es) * 2018-11-06 2021-06-30 Basf Se Nuevos agentes anticongelantes y refrigerantes para pilas de combustible, baterias de almacenamiento y baterias.
CN109652023B (zh) * 2018-12-29 2020-11-06 中国船舶重工集团公司第七一八研究所 一种太阳能导热介质及制备方法
US20220306925A1 (en) * 2019-06-19 2022-09-29 Arteco N.v. Silicate based heat transfer fluid, methods of its preparations and uses thereof
ES2828693B2 (es) * 2019-11-27 2021-11-03 Compania Pineda Alvarez S L Fluido de transferencia térmica de composición basada en el uso de agua
US11549044B2 (en) * 2019-12-20 2023-01-10 Hyundai Motor Company Antifreezing coolant composition not including glycol
RS64495B1 (sr) * 2020-08-26 2023-09-29 Basf Se Nova rashladna tečnost sa niskom električnom provodljivošću
EP4124640A1 (en) * 2021-07-27 2023-02-01 Basf Se Novel use for coolants with low electrical conductivity

Family Cites Families (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE579185C (de) 1931-03-11 1933-06-22 I G Farbenindustrie Akt Ges Verfahren zum Schutz von Magnesium und Magnesiumlegierungen gegen den Angriff von Wasser und Alkoholen bei gewoehnlicher und erhoehter Temperatur
DE569771C (de) 1931-08-07 1933-02-08 I G Farbenindustrie Akt Ges Kuehlfluessigkeit fuer aus Magnesiumlegierungen bestehende Teile von Brennkraftmaschinen
US2976247A (en) * 1958-05-15 1961-03-21 Texaco Inc Corrosion inhibited antifreeze compositions
DE1217137B (de) * 1964-02-22 1966-05-18 Bp Benzin Gefrierschutzmittel fuer Kuehlfluessigkeiten
DE3035327A1 (de) * 1980-09-19 1982-05-06 Hoechst Ag, 6000 Frankfurt Kuehlfluessigkeit mit korrosions- und kavitationshemmenden zusaetzen
US4452758A (en) * 1981-07-08 1984-06-05 Basf Wyandotte Corporation Compositions and process for inhibiting corrosion of aluminum
DE3211352A1 (de) * 1982-03-27 1983-09-29 Hoechst Ag, 6230 Frankfurt Wasserhaltiges schmiermittel fuer saegeketten
US4455248A (en) * 1982-06-01 1984-06-19 Shell Oil Company Antifreeze compositions
US4561990A (en) * 1984-10-04 1985-12-31 Texaco Inc. High lead solder corrosion inhibitors
US4647392A (en) 1985-12-27 1987-03-03 Texaco Inc. Monobasic-dibasic acid/salt antifreeze corrosion inhibitor
US4758367A (en) * 1986-05-22 1988-07-19 Union Carbide Corporation Triethylene glycol-based heat transfer fluids
US4851145A (en) 1986-06-30 1989-07-25 S.A. Texaco Petroleum Nv Corrosion-inhibited antifreeze/coolant composition
DE3701719A1 (de) * 1987-01-22 1988-08-04 Basf Ag Korrosionsschutzmittel, enthaltend mischungen mit amidsaeuren
ES2032596T3 (es) * 1987-07-14 1993-02-16 Ciba-Geigy Ag Composiciones inhibidoras de corrosion.
AU3533289A (en) * 1988-04-15 1989-11-03 Dow Chemical Company, The Inhibited alkylene glycol coolant and cooling process
JPH04279690A (ja) * 1991-03-07 1992-10-05 Sekiyu Sangyo Kasseika Center 液冷式内燃機関用ロングライフクーラント組成物
US5240631A (en) * 1991-11-13 1993-08-31 Arco Chemical Technology, L.P. Antifreeze formulation containing phosphorous acid
ATE214421T1 (de) 1993-09-10 2002-03-15 Evans Cooling Systems Inc Nicht-wässrige wärmeträgerflüssigkeit
DE19605509A1 (de) * 1996-02-15 1997-08-21 Basf Ag Verwendung von quaternierten Imidazolen als Buntmetall-Korrosionsinhibitoren und diese enthaltende Gefrierschutzmittelkonzentrate und Kühlmittelzusammensetzungen
DE19745461A1 (de) 1997-10-15 1999-04-22 Henkel Kgaa Kühlflüssigkeit zur Verwendung in Bauteilen aus Magnesium
US5997763A (en) * 1998-04-27 1999-12-07 Shell Oil Company Corrosion inhibiting antifreeze compositions containing various carboxylic acids
DE19830493C1 (de) * 1998-07-08 2000-03-09 Clariant Gmbh Wärmeträger für Solaranlagen auf Basis von Alkylenglykolen
US6391257B1 (en) * 1998-08-19 2002-05-21 Prestone Products Corporation Antifreeze compositions comprising carboxylic acid and cyclohexenoic acid
EP0995785A1 (en) * 1998-10-14 2000-04-26 Texaco Development Corporation Corrosion inhibitors and synergistic inhibitor combinations for the protection of light metals in heat-transfer fluids and engine coolants
CN1218009C (zh) * 1999-10-29 2005-09-07 巴斯福股份公司 基于二羧酸、钼酸盐和三唑或噻唑的防冻浓缩物以及包含它们的冷却剂组合物
DE10036031A1 (de) * 2000-07-24 2002-02-07 Basf Ag Gefrierschutzmittelkonzentrate auf Basis von Amiden und diese umfassende Kühlmittelzusammensetzungen zum Schutz von Magnesium und Magnesiumlegierungen
US6540934B2 (en) * 2001-07-13 2003-04-01 Metss Corporation Corrosion inhibited runway deicing fluid
EP1386952A3 (de) * 2002-08-02 2006-05-24 Clariant Produkte (Deutschland) GmbH Gefrierschutzmittel
DE10235477A1 (de) * 2002-08-02 2004-02-12 Basf Ag Glykolfreie wässrige Gefrierschutzmittel enthaltend Dicarbonsäuresalze
SI1859002T1 (sl) * 2005-02-28 2011-08-31 Basf Se Koncentracija sredstva proti zamrzovanju vsebujoäśa glicerin z zaĺ äśito proti koroziji

Also Published As

Publication number Publication date
ES2311149T3 (es) 2009-02-01
WO2004085566A1 (de) 2004-10-07
AU2004224163A1 (en) 2004-10-07
CA2520246C (en) 2013-02-12
PT1618167E (pt) 2008-10-01
CN1780894A (zh) 2006-05-31
EP1618167A1 (de) 2006-01-25
ATE407988T1 (de) 2008-09-15
DE10313280A1 (de) 2004-10-07
BRPI0408712A (pt) 2006-03-07
MXPA05010060A (es) 2005-11-23
CN100580049C (zh) 2010-01-13
US7588695B2 (en) 2009-09-15
ZA200507692B (en) 2007-03-28
AU2004224163B2 (en) 2009-12-17
CA2520246A1 (en) 2004-10-07
US20070034825A1 (en) 2007-02-15
DE502004008029D1 (de) 2008-10-23
EP1618167B1 (de) 2008-09-10
NO20054795L (no) 2005-10-24

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