CN113166181B - 用于制备容易处理的热稳定性含磷阻燃材料的方法 - Google Patents

用于制备容易处理的热稳定性含磷阻燃材料的方法 Download PDF

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CN113166181B
CN113166181B CN201980081134.1A CN201980081134A CN113166181B CN 113166181 B CN113166181 B CN 113166181B CN 201980081134 A CN201980081134 A CN 201980081134A CN 113166181 B CN113166181 B CN 113166181B
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flame retardant
mixture
formula
alkyl
metal
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CN113166181A (zh
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茱莉亚·约·李
何庆亮
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Arlanxeo Canada Inc
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Lanxess Inc
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    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07FACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F9/00Compounds containing elements of Groups 5 or 15 of the Periodic Table
    • C07F9/02Phosphorus compounds
    • C07F9/28Phosphorus compounds with one or more P—C bonds
    • C07F9/38Phosphonic acids [RP(=O)(OH)2]; Thiophosphonic acids ; [RP(=X1)(X2H)2(X1, X2 are each independently O, S or Se)]
    • C07F9/3804Phosphonic acids [RP(=O)(OH)2]; Thiophosphonic acids ; [RP(=X1)(X2H)2(X1, X2 are each independently O, S or Se)] not used, see subgroups
    • C07F9/3808Acyclic saturated acids which can have further substituents on alkyl
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    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/18Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20Oxides; Hydroxides
    • C08K3/22Oxides; Hydroxides of metals
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    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
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    • C08K3/34Silicon-containing compounds
    • C08K3/346Clay
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    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
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    • C08K3/38Boron-containing compounds
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    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/40Glass
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    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00Use of organic ingredients
    • C08K5/0008Organic ingredients according to more than one of the "one dot" groups of C08K5/01 - C08K5/59
    • C08K5/0066Flame-proofing or flame-retarding additives
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00Use of organic ingredients
    • C08K5/16Nitrogen-containing compounds
    • C08K5/34Heterocyclic compounds having nitrogen in the ring
    • C08K5/3467Heterocyclic compounds having nitrogen in the ring having more than two nitrogen atoms in the ring
    • C08K5/3477Six-membered rings
    • C08K5/3492Triazines
    • C08K5/34922Melamine; Derivatives thereof
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    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00Use of organic ingredients
    • C08K5/49Phosphorus-containing compounds
    • C08K5/51Phosphorus bound to oxygen
    • C08K5/52Phosphorus bound to oxygen only
    • C08K5/521Esters of phosphoric acids, e.g. of H3PO4
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    • C08K5/00Use of organic ingredients
    • C08K5/49Phosphorus-containing compounds
    • C08K5/51Phosphorus bound to oxygen
    • C08K5/53Phosphorus bound to oxygen bound to oxygen and to carbon only
    • C08K5/5317Phosphonic compounds, e.g. R—P(:O)(OR')2
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    • C08L101/00Compositions of unspecified macromolecular compounds
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    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L25/00Compositions of, homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Compositions of derivatives of such polymers
    • C08L25/02Homopolymers or copolymers of hydrocarbons
    • C08L25/04Homopolymers or copolymers of styrene
    • C08L25/06Polystyrene
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    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L63/00Compositions of epoxy resins; Compositions of derivatives of epoxy resins
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    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L67/00Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
    • C08L67/02Polyesters derived from dicarboxylic acids and dihydroxy compounds
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    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L77/00Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
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    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L77/00Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
    • C08L77/02Polyamides derived from omega-amino carboxylic acids or from lactams thereof
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    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L77/00Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
    • C08L77/10Polyamides derived from aromatically bound amino and carboxyl groups of amino-carboxylic acids or of polyamines and polycarboxylic acids
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    • 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
    • C09K21/00Fireproofing materials
    • C09K21/06Organic materials
    • C09K21/12Organic materials containing phosphorus
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    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/18Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20Oxides; Hydroxides
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    • C08K3/18Oxygen-containing compounds, e.g. metal carbonyls
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    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00Specific properties of additives
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    • C08K2201/005Additives being defined by their particle size in general
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    • C08L2201/00Properties
    • C08L2201/02Flame or fire retardant/resistant

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
  • Materials Engineering (AREA)
  • Dispersion Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Fireproofing Substances (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
CN201980081134.1A 2018-12-20 2019-12-18 用于制备容易处理的热稳定性含磷阻燃材料的方法 Active CN113166181B (zh)

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Application Number Priority Date Filing Date Title
US201862782907P 2018-12-20 2018-12-20
US62/782,907 2018-12-20
PCT/US2019/067221 WO2020132095A1 (en) 2018-12-20 2019-12-18 Method for preparing readily processable, thermally-stable, phosphorus-containing flame retardant material

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CN113166181A CN113166181A (zh) 2021-07-23
CN113166181B true CN113166181B (zh) 2025-01-24

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US (1) US12152129B2 (https=)
EP (1) EP3898640B1 (https=)
JP (1) JP7614093B2 (https=)
KR (1) KR102799160B1 (https=)
CN (1) CN113166181B (https=)
AU (1) AU2019403247B2 (https=)
ES (1) ES3063765T3 (https=)
IL (1) IL284017B2 (https=)
MX (1) MX2021007135A (https=)
SG (1) SG11202105076YA (https=)
WO (1) WO2020132095A1 (https=)
ZA (1) ZA202103393B (https=)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MX2022004412A (es) * 2019-10-18 2022-05-20 Lanxess Corp Metodo de preparacion de retardantes de llama que contienen fosforo y su uso en composiciones polimericas.
KR102752369B1 (ko) * 2021-10-18 2025-01-10 주식회사 엘지화학 인계 난연제 및 이를 포함하는 열가소성 수지 조성물
CN114774070B (zh) * 2022-04-11 2023-05-12 广州市白云化工实业有限公司 一种低发烟量的硅酮阻燃密封胶及其制备方法
CN116462707A (zh) * 2022-05-31 2023-07-21 浙江创摩新材料有限公司 一种苯基膦酸钙的制备方法及其应用
CN116814136B (zh) * 2023-06-20 2024-04-19 西南石油大学 一种pap活性碳球基水性环氧膨胀防火涂料的制备方法
CN121889459A (zh) 2023-09-20 2026-04-17 朗盛公司 具有改善的粉末特性的含磷阻燃剂的制备方法
WO2025150771A1 (ko) * 2024-01-11 2025-07-17 주식회사 엘지화학 난연제 화합물 및 이를 이용한 난연 수지 조성물, 난연 제품

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0273014A2 (de) * 1986-12-23 1988-06-29 Ciba-Geigy Ag Pflanzenfungizide Mittel enthaltend als Wirstoffe Salze der pyrophosphorigen Säure und ihre Anwendung
CN105452264A (zh) * 2014-07-22 2016-03-30 科聚亚公司 含磷的阻燃剂
WO2016111717A1 (en) * 2015-01-09 2016-07-14 Chemtura Corporation Process stabilization of polymer compositions comprising phosphorous containing flame retardants

Family Cites Families (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1668883A1 (de) 1968-01-25 1971-02-11 Dynamit Nobel Ag Verfahren zur Herstellung von halogenierten Estern der Phosphorsaeuren
DE2252210A1 (de) 1972-10-25 1974-05-09 Hoechst Ag Schwerentflammbare thermoplastische polyester
GB8611357D0 (en) 1986-05-09 1986-06-18 Ciba Geigy Ag Flame retardent polymer compositions
DE3833977A1 (de) 1988-10-06 1990-04-26 Bayer Ag Addukte aus phosphonaten und aminen und deren verwendung zum vorbeugenden brandschutz
DE3912552A1 (de) 1989-04-17 1990-10-18 Bayer Ag Waermebestaendige schaumstoffe, deren herstellung und verwendung
US5118885A (en) 1989-12-30 1992-06-02 Kuraray Co., Ltd. Process for producing octa-2,7-dien-1-ol
JP2510785B2 (ja) * 1989-12-30 1996-06-26 株式会社クラレ オクタ―2,7―ジエン―1―オ―ルの製造法
GB9007515D0 (en) * 1990-04-03 1990-05-30 Ciba Geigy Ag Products
JP2888509B2 (ja) * 1993-05-18 1999-05-10 株式会社クラレ オクタ−2,7−ジエン−1−オールの製造方法
US5420326A (en) * 1994-05-12 1995-05-30 Akzo Nobel N.V. Bis(pentaerythritol phosphate alcohol) hydrogen phosphonate
DE4430932A1 (de) 1994-08-31 1996-03-07 Hoechst Ag Flammgeschützte Polyesterformmasse
DE19614424A1 (de) 1996-04-12 1997-10-16 Hoechst Ag Synergistische Flammschutzmittel-Kombination für Polymere
EP1024167B1 (de) 1999-01-30 2005-12-21 Clariant GmbH Flammschutzmittel-Kombination für thermoplastische Polymere I
DE19933901A1 (de) 1999-07-22 2001-02-01 Clariant Gmbh Flammschutzmittel-Kombination
DE10014593C2 (de) 2000-03-27 2002-06-27 Clariant Gmbh Halogenfreier, flammwidriger Polyurethanhartschaum und ein Verfahren zu seiner Herstellung
WO2004046235A1 (en) 2002-11-21 2004-06-03 Ciba Specialty Chemicals Holding Inc. Flame retardant composition comprising a phosphonic acid metal salt and a nitrogen-containing compound
US20060135391A1 (en) 2004-12-17 2006-06-22 Scheibel Jeffrey J Modified alkoxylated polyol compounds
DE102004015356A1 (de) 2004-03-30 2005-10-20 Clariant Gmbh Phosphorhaltige Flammschutzmittelzusammensetzung für cellulosehaltige Materialien
JP2006001876A (ja) 2004-06-17 2006-01-05 Songwon Industrial Co Ltd 機能性有機りん化合物およびその製造方法
DE102005036653A1 (de) 2005-08-04 2007-02-08 Lanxess Deutschland Gmbh Flammschutzmittelzubereitung
US20090275682A1 (en) * 2005-11-10 2009-11-05 Asahi Kasei Chemicals Corporation Resin Composition Excellent in Flame Retardance
TWI488859B (zh) 2009-09-09 2015-06-21 日產化學工業股份有限公司 膦酸金屬鹽之製造方法及含有膦酸金屬鹽之熱塑性樹脂組成物
EP2585473B1 (en) 2010-06-24 2015-09-23 ICL-IP America Inc. Metal phosphonate flame retardant and method producing thereof
DE102010048025A1 (de) 2010-10-09 2012-04-12 Clariant International Ltd. Flammschutzmittel- Stabilisator-Kombination für thermoplastische Polymere
WO2013165425A1 (en) * 2012-05-03 2013-11-07 Empire Technology Development Llc Phosphonate-substituted lignin as a flame retardant
US9765204B2 (en) 2013-07-24 2017-09-19 Lanxess Solutions Us Inc. Halogen free high temperature polyamide compositions comprising phosphorus containing flame retardants
US9745449B2 (en) 2013-07-24 2017-08-29 Lanxess Solutions Us Inc. Phosphorus containing flame retardants
US9752011B2 (en) 2013-07-24 2017-09-05 Lanxess Solutions Us Inc. Phosphorus containing flame retardants
US10035896B2 (en) 2014-07-29 2018-07-31 Lanxess Solutions Us Inc. Salts of pyrophosphonic acid as flame retardants
US9752009B2 (en) 2015-01-26 2017-09-05 Lanxess Solutions Us Inc. Flame retardant polymer compositions comprising heat treated phosphorus compounds and melam
US9534108B2 (en) 2015-03-13 2017-01-03 Chemtura Corporation Flame retardant epoxy resins comprising phosphorus containing flame retardants
DE102016213281A1 (de) * 2016-07-20 2018-01-25 Clariant Plastics & Coatings Ltd Flammschutzmittelmischungen, ihre Herstellung und ihre Verwendung

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0273014A2 (de) * 1986-12-23 1988-06-29 Ciba-Geigy Ag Pflanzenfungizide Mittel enthaltend als Wirstoffe Salze der pyrophosphorigen Säure und ihre Anwendung
CN105452264A (zh) * 2014-07-22 2016-03-30 科聚亚公司 含磷的阻燃剂
WO2016111717A1 (en) * 2015-01-09 2016-07-14 Chemtura Corporation Process stabilization of polymer compositions comprising phosphorous containing flame retardants

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WO2020132095A1 (en) 2020-06-25
MX2021007135A (es) 2021-08-11
KR102799160B1 (ko) 2025-04-22
ZA202103393B (en) 2022-08-31
KR20210106998A (ko) 2021-08-31
ES3063765T3 (en) 2026-04-20
BR112021011696A2 (pt) 2021-09-08
AU2019403247B2 (en) 2025-03-13
US12152129B2 (en) 2024-11-26
JP2022515185A (ja) 2022-02-17
US20220081536A1 (en) 2022-03-17
AU2019403247A1 (en) 2021-06-10
IL284017A (en) 2021-08-31
CN113166181A (zh) 2021-07-23
SG11202105076YA (en) 2021-07-29
EP3898640C0 (en) 2026-02-11
IL284017B1 (en) 2024-10-01
JP7614093B2 (ja) 2025-01-15
EP3898640B1 (en) 2026-02-11
AU2019403247A8 (en) 2021-08-05
CA3121921A1 (en) 2020-06-25
EP3898640A1 (en) 2021-10-27
IL284017B2 (en) 2025-02-01

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