TWI441673B - Emulsifiers for emulsion polymerization and an emulsion polymerization process using the emulsifier - Google Patents

Emulsifiers for emulsion polymerization and an emulsion polymerization process using the emulsifier Download PDF

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Publication number
TWI441673B
TWI441673B TW101148368A TW101148368A TWI441673B TW I441673 B TWI441673 B TW I441673B TW 101148368 A TW101148368 A TW 101148368A TW 101148368 A TW101148368 A TW 101148368A TW I441673 B TWI441673 B TW I441673B
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Taiwan
Prior art keywords
group
emulsion polymerization
formula
range
emulsifier
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TW101148368A
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English (en)
Chinese (zh)
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TW201332643A (zh
Inventor
Asako Ogasawara
Masayuki Hashimoto
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Dai Ichi Kogyo Seiyaku Co Ltd
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    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F220/00Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
    • C08F220/02Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
    • C08F220/10Esters
    • C08F220/12Esters of monohydric alcohols or phenols
    • C08F220/16Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms
    • C08F220/18Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids
    • C08F220/1804C4-(meth)acrylate, e.g. butyl (meth)acrylate, isobutyl (meth)acrylate or tert-butyl (meth)acrylate
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F2/00Processes of polymerisation
    • C08F2/12Polymerisation in non-solvents
    • C08F2/16Aqueous medium
    • C08F2/22Emulsion polymerisation
    • C08F2/24Emulsion polymerisation with the aid of emulsifying agents
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F2/00Processes of polymerisation
    • C08F2/12Polymerisation in non-solvents
    • C08F2/16Aqueous medium
    • C08F2/22Emulsion polymerisation
    • C08F2/24Emulsion polymerisation with the aid of emulsifying agents
    • C08F2/26Emulsion polymerisation with the aid of emulsifying agents anionic
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F2/00Processes of polymerisation
    • C08F2/12Polymerisation in non-solvents
    • C08F2/16Aqueous medium
    • C08F2/22Emulsion polymerisation
    • C08F2/24Emulsion polymerisation with the aid of emulsifying agents
    • C08F2/30Emulsion polymerisation with the aid of emulsifying agents non-ionic
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F212/00Copolymers 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
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F212/00Copolymers 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
    • C08F212/02Monomers containing only one unsaturated aliphatic radical
    • C08F212/04Monomers containing only one unsaturated aliphatic radical containing one ring
    • C08F212/06Hydrocarbons
    • C08F212/08Styrene
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F218/00Copolymers 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 acyloxy radical of a saturated carboxylic acid, of carbonic acid or of a haloformic acid
    • C08F218/02Esters of monocarboxylic acids
    • C08F218/04Vinyl esters
    • C08F218/08Vinyl acetate
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F220/00Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
    • C08F220/02Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
    • C08F220/10Esters
    • C08F220/12Esters of monohydric alcohols or phenols
    • C08F220/14Methyl esters, e.g. methyl (meth)acrylate
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F290/00Macromolecular compounds obtained by polymerising monomers on to polymers modified by introduction of aliphatic unsaturated end or side groups
    • C08F290/08Macromolecular compounds obtained by polymerising monomers on to polymers modified by introduction of aliphatic unsaturated end or side groups on to polymers modified by introduction of unsaturated side groups
    • C08F290/14Polymers provided for in subclass C08G
    • C08F290/142Polyethers
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G65/00Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
    • C08G65/02Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
    • C08G65/04Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers only
    • C08G65/06Cyclic ethers having no atoms other than carbon and hydrogen outside the ring
    • C08G65/14Unsaturated oxiranes
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G65/00Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
    • C08G65/02Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
    • C08G65/26Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers and other compounds
    • C08G65/2603Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers and other compounds the other compounds containing oxygen
    • C08G65/2606Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers and other compounds the other compounds containing oxygen containing hydroxyl groups
    • C08G65/2612Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers and other compounds the other compounds containing oxygen containing hydroxyl groups containing aromatic or arylaliphatic hydroxyl groups
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G65/00Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
    • C08G65/02Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
    • C08G65/32Polymers modified by chemical after-treatment
    • C08G65/321Polymers modified by chemical after-treatment with inorganic compounds
    • C08G65/326Polymers modified by chemical after-treatment with inorganic compounds containing sulfur
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G65/00Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
    • C08G65/02Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
    • C08G65/32Polymers modified by chemical after-treatment
    • C08G65/321Polymers modified by chemical after-treatment with inorganic compounds
    • C08G65/327Polymers modified by chemical after-treatment with inorganic compounds containing phosphorus
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D133/00Coating compositions based on 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 only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
    • C09D133/04Homopolymers or copolymers of esters
    • C09D133/06Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
    • C09D133/10Homopolymers or copolymers of methacrylic acid esters
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2650/00Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
    • C08G2650/28Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule characterised by the polymer type
    • C08G2650/58Ethylene oxide or propylene oxide copolymers, e.g. pluronics

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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)
  • Inorganic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Polymerisation Methods In General (AREA)
  • Emulsifying, Dispersing, Foam-Producing Or Wetting Agents (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Macromonomer-Based Addition Polymer (AREA)
  • Polyethers (AREA)
TW101148368A 2011-12-20 2012-12-19 Emulsifiers for emulsion polymerization and an emulsion polymerization process using the emulsifier TWI441673B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011278271 2011-12-20
JP2012155785 2012-07-11

Publications (2)

Publication Number Publication Date
TW201332643A TW201332643A (zh) 2013-08-16
TWI441673B true TWI441673B (zh) 2014-06-21

Family

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Family Applications (2)

Application Number Title Priority Date Filing Date
TW101148368A TWI441673B (zh) 2011-12-20 2012-12-19 Emulsifiers for emulsion polymerization and an emulsion polymerization process using the emulsifier
TW103117326A TWI522167B (zh) 2011-12-20 2012-12-19 Emulsifying agent for emulsifying polymerization and emulsifying polymerization method using the emulsifier (1)

Family Applications After (1)

Application Number Title Priority Date Filing Date
TW103117326A TWI522167B (zh) 2011-12-20 2012-12-19 Emulsifying agent for emulsifying polymerization and emulsifying polymerization method using the emulsifier (1)

Country Status (7)

Country Link
US (1) US9353195B2 (enExample)
EP (1) EP2796476A4 (enExample)
JP (2) JP5567218B2 (enExample)
KR (2) KR101493664B1 (enExample)
CN (1) CN104011088A (enExample)
TW (2) TWI441673B (enExample)
WO (1) WO2013094158A1 (enExample)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2822997B1 (en) * 2012-03-10 2017-12-06 Ethox Chemicals, LLC Additives to improve open-time and freeze-thaw characteristics of water-based paints and coatings
US20140329935A1 (en) * 2013-05-06 2014-11-06 Ethox Chemicals, Llc Method for improving the effectiveness of titanium dioxide-containing coatings
EP3219736B1 (en) * 2014-11-11 2020-11-25 Dai-Ichi Kogyo Seiyaku Co., Ltd. Water-based resin dispersion and coating material
CN108699192A (zh) * 2015-12-23 2018-10-23 路博润先进材料公司 疏水改性的碱溶胀性乳液聚合物
TWI555572B (zh) * 2016-05-10 2016-11-01 中日合成化學股份有限公司 界面活性劑之製造方法及其應用
CN116769111A (zh) * 2016-11-23 2023-09-19 巴斯夫欧洲公司 粘合剂组合物及其制备和使用方法
KR102706961B1 (ko) 2017-10-10 2024-09-19 스테판 컴파니 페닐 글리시딜 에테르로부터의 중합체 분산제
TWI648096B (zh) * 2017-10-31 2019-01-21 中日合成化學股份有限公司 界面活性劑、其製造方法及包含此界面活性劑之溶液
JP7060465B2 (ja) * 2017-11-24 2022-04-26 花王株式会社 乳化重合用界面活性剤組成物
CN109810249B (zh) * 2018-12-25 2022-05-10 联泓(江苏)新材料研究院有限公司 一种稳定性及耐水性优异的氢化反应型乳化剂及其制备方法和应用
KR20220004717A (ko) 2019-05-03 2022-01-11 로디아 오퍼레이션스 수 백화 내성을 갖는 중합성 계면활성제 및 사용 방법
JP6808798B1 (ja) 2019-09-30 2021-01-06 第一工業製薬株式会社 界面活性剤組成物、樹脂水分散体の製造方法、塗料及び粘着剤
JP7788382B2 (ja) * 2020-01-06 2025-12-18 ダウ グローバル テクノロジーズ エルエルシー ポリマーポリオールを作製するためのマクロマー及びプロセス
CN111234060B (zh) * 2020-03-19 2022-11-18 长春工业大学 一种高分子树脂的无皂乳液聚合方法
BR112022024657A2 (pt) * 2020-06-05 2022-12-27 Basf Se Uso de pelo menos um composto de fórmula geral, método de polimerização de emulsão, mistura, composto, composição de limpeza, e, processo para preparar um composto
WO2025113772A1 (en) * 2023-11-28 2025-06-05 Trinseo Europe Gmbh Water-based copolymer emulsion with regenerated mma, process to obtain the same having a low voc-content, and their use

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4680358A (en) * 1985-11-08 1987-07-14 The B F Goodrich Company Styryl terminated macromolecular monomers of polyethers
DE3777441D1 (de) * 1986-05-07 1992-04-23 Dai Ichi Kogyo Seiyaku Co Ltd Ein polymerisierbares teil enthaltende, oberflaechenaktive verbindungen.
JPS6354927A (ja) 1986-05-07 1988-03-09 Dai Ichi Kogyo Seiyaku Co Ltd 新規界面活性剤
JPS62286528A (ja) 1986-06-02 1987-12-12 Dai Ichi Kogyo Seiyaku Co Ltd 水性樹脂分散体用乳化剤
JPS6312334A (ja) 1986-06-20 1988-01-19 Dai Ichi Kogyo Seiyaku Co Ltd 乳化重合用乳化剤
JPS6377531A (ja) 1986-09-17 1988-04-07 Dai Ichi Kogyo Seiyaku Co Ltd 水性樹脂分散体用乳化剤
JPS6384625A (ja) 1986-09-29 1988-04-15 Dai Ichi Kogyo Seiyaku Co Ltd 水性樹脂分散体用乳化剤
JP2611772B2 (ja) 1987-06-23 1997-05-21 第一工業製薬株式会社 乳化重合用乳化剤
JP2651736B2 (ja) 1990-06-19 1997-09-10 第一工業製薬株式会社 乳化重合用乳化剤
EP1318157B1 (en) * 2000-09-11 2006-03-01 Kao Corporation Surfactant for emulsion polymerization
JP4208462B2 (ja) 2000-12-28 2009-01-14 株式会社Adeka 界面活性剤
DE60125839T8 (de) * 2000-12-28 2007-08-30 Adeka Corp. Tenside
KR100441283B1 (ko) * 2001-09-11 2004-07-22 한국과학기술원 박리형 고분자/실리케이트 나노복합체의 제조방법
CN101274969B (zh) * 2007-11-20 2010-12-29 山东东岳神舟新材料有限公司 一种含氟聚合物的微乳液聚合方法
JP2009227583A (ja) * 2008-03-19 2009-10-08 Daicel Chem Ind Ltd ポリグリセリンアルキルエーテル型非イオン界面活性剤
DE102009040068A1 (de) * 2008-11-24 2010-05-27 Byk-Chemie Gmbh Zusammensetzungen umfassend Glycidylether-Copolymere
WO2013051205A1 (ja) * 2011-10-07 2013-04-11 第一工業製薬株式会社 反応性乳化剤を用いた乳化重合方法、それにより得られる水系ポリマーディスパージョン及びポリマーフィルム
CN104053723B (zh) * 2011-10-21 2017-10-13 埃瑟克斯化学有限责任公司 用于冻融稳定乳液聚合物的新型反应性表面活性剂以及包含其的涂料

Also Published As

Publication number Publication date
JP5567218B2 (ja) 2014-08-06
JP5767369B2 (ja) 2015-08-19
KR101493664B1 (ko) 2015-02-13
WO2013094158A1 (ja) 2013-06-27
JP2014237823A (ja) 2014-12-18
US9353195B2 (en) 2016-05-31
TW201332643A (zh) 2013-08-16
KR20140119124A (ko) 2014-10-08
EP2796476A1 (en) 2014-10-29
KR20140109938A (ko) 2014-09-16
TWI522167B (zh) 2016-02-21
EP2796476A4 (en) 2015-08-12
TW201433354A (zh) 2014-09-01
CN104011088A (zh) 2014-08-27
US20150038654A1 (en) 2015-02-05
JPWO2013094158A1 (ja) 2015-04-27
KR101493663B1 (ko) 2015-02-13

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