SG11201606963XA - Acrylic resins and powder coating compositions and powder coated substrates including the same - Google Patents

Acrylic resins and powder coating compositions and powder coated substrates including the same

Info

Publication number
SG11201606963XA
SG11201606963XA SG11201606963XA SG11201606963XA SG11201606963XA SG 11201606963X A SG11201606963X A SG 11201606963XA SG 11201606963X A SG11201606963X A SG 11201606963XA SG 11201606963X A SG11201606963X A SG 11201606963XA SG 11201606963X A SG11201606963X A SG 11201606963XA
Authority
SG
Singapore
Prior art keywords
powder
same
coating compositions
acrylic resins
coated substrates
Prior art date
Application number
SG11201606963XA
Other languages
English (en)
Inventor
Gary Robert Larson
Justin E Wilhelm
Douglas S Cinoman
Original Assignee
Akzo Nobel Coatings Int Bv
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 Akzo Nobel Coatings Int Bv filed Critical Akzo Nobel Coatings Int Bv
Publication of SG11201606963XA publication Critical patent/SG11201606963XA/en

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Classifications

    • 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
    • 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
    • C09D4/00Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; Coating compositions, based on monomers of macromolecular compounds of groups C09D183/00 - C09D183/16
    • 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
    • C08F2/44Polymerisation in the presence of compounding ingredients, e.g. plasticisers, dyestuffs, fillers
    • 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
    • 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
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00Processes of treating or compounding macromolecular substances
    • C08J3/12Powdering or granulating
    • C08J3/126Polymer particles coated by polymer, e.g. core shell structures
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L33/00Compositions of homopolymers or copolymers 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 of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
    • C08L33/04Homopolymers or copolymers of esters
    • C08L33/06Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, which oxygen atoms are present only as part of the carboxyl radical
    • C08L33/062Copolymers with monomers not covered by C08L33/06
    • C08L33/068Copolymers with monomers not covered by C08L33/06 containing glycidyl groups
    • 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
    • C09D133/062Copolymers with monomers not covered by C09D133/06
    • C09D133/068Copolymers with monomers not covered by C09D133/06 containing glycidyl groups
    • 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
    • C09D133/14Homopolymers or copolymers of esters of esters containing halogen, nitrogen, sulfur or oxygen atoms in addition to the carboxy oxygen
    • 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
    • C09D5/00Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/03Powdery paints
    • 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
    • C09D5/00Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/08Anti-corrosive paints
    • 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
    • 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
    • C08F220/1811C10or C11-(Meth)acrylate, e.g. isodecyl (meth)acrylate, isobornyl (meth)acrylate or 2-naphthyl (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
    • 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
    • C08F220/26Esters containing oxygen in addition to the carboxy oxygen
    • C08F220/32Esters containing oxygen in addition to the carboxy oxygen containing epoxy radicals
    • C08F220/325Esters containing oxygen in addition to the carboxy oxygen containing epoxy radicals containing glycidyl radical, e.g. glycidyl (meth)acrylate

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Materials Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Polymers & Plastics (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Paints Or Removers (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Laminated Bodies (AREA)
  • Epoxy Resins (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
SG11201606963XA 2014-02-27 2015-02-25 Acrylic resins and powder coating compositions and powder coated substrates including the same SG11201606963XA (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201461945523P 2014-02-27 2014-02-27
EP14163894 2014-04-08
PCT/EP2015/053903 WO2015128361A1 (en) 2014-02-27 2015-02-25 Acrylic resins and powder coating compositions and powder coated substrates including the same

Publications (1)

Publication Number Publication Date
SG11201606963XA true SG11201606963XA (en) 2016-09-29

Family

ID=50439291

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11201606963XA SG11201606963XA (en) 2014-02-27 2015-02-25 Acrylic resins and powder coating compositions and powder coated substrates including the same

Country Status (13)

Country Link
US (1) US9834634B2 (ru)
EP (1) EP3110894B8 (ru)
JP (1) JP6368377B2 (ru)
KR (1) KR102305319B1 (ru)
CN (1) CN106029796B (ru)
AU (1) AU2015222182B2 (ru)
CA (1) CA2938782A1 (ru)
ES (1) ES2899749T3 (ru)
MX (1) MX2016010790A (ru)
RU (1) RU2693153C2 (ru)
SG (1) SG11201606963XA (ru)
TW (1) TWI688582B (ru)
WO (1) WO2015128361A1 (ru)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015165860A1 (en) * 2014-04-30 2015-11-05 Akzo Nobel Coatings International B.V. Process for making acrylic powder coating resin systems
JP6674163B2 (ja) * 2017-12-19 2020-04-01 Dic株式会社 粉体塗料及び該塗料の塗膜を有する物品
WO2019241679A1 (en) * 2018-06-15 2019-12-19 Metashield, Llc Uv curable uv blocking clear coatings
WO2020095196A1 (en) * 2018-11-09 2020-05-14 Unilin, Bvba Covered panel and method for manufacturing covered panels
BE1026771B1 (nl) * 2018-11-09 2020-06-15 Unilin Bvba Bekleed paneel en werkwijze voor het vervaardigen van beklede panelen.
BE1026995B1 (nl) * 2018-11-09 2020-08-27 Unilin Bvba Bekleed paneel en werkwijze voor het vervaardigen van beklede panelen
BE1027438B1 (nl) * 2019-07-16 2021-02-16 Unilin Bv Plaatmateriaal en vloerpaneel op basis van dergelijk plaatmateriaal
CN110483743A (zh) * 2019-06-28 2019-11-22 广东博兴新材料科技有限公司 一种改性环氧丙烯酸酯树脂、制备方法及其在制备导电胶粘剂中的应用
KR20220033501A (ko) * 2019-07-16 2022-03-16 플로어링 인더스트리즈 리미티드 에스에이알엘 보드 및 이러한 보드에 기반한 바닥 패널
CN115427523A (zh) * 2020-04-24 2022-12-02 Dic株式会社 粉体涂料用树脂组合物、粉体涂料、具有该涂料的涂膜的物品
US20240059820A1 (en) * 2020-12-28 2024-02-22 Akzo Nobel Coatings International B.V. Acrylate resins and Powder Coating Compositions and Powder Coated Substrates Including the Same
MX2023014434A (es) * 2021-06-02 2023-12-15 Ppg Ind Ohio Inc Composiciones de recubrimiento resistentes a la corrosion filiforme.

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE792834A (fr) 1971-12-17 1973-03-30 Ford Motor Co Procede de preparation de resines thermodurcissables renforceesa partirde copolymeres a fonction epoxy et d'agents de reticulation
US3873493A (en) 1971-12-17 1975-03-25 Ford Motor Co Process for making reinforced thermosets from epoxy-functional copolymers and crosslinking agents
JP3236677B2 (ja) * 1991-11-27 2001-12-10 三井化学株式会社 熱硬化性粉体塗料用組成物
JPH05287223A (ja) 1992-04-14 1993-11-02 Nippon Paint Co Ltd カチオン電着塗料組成物
US5407707A (en) 1993-11-01 1995-04-18 Ppg Industries, Inc. Powder coating composition based on epoxy containing polymers and polyacid curing agents
JPH0978010A (ja) * 1995-09-11 1997-03-25 Kansai Paint Co Ltd 熱硬化性粉体塗料組成物
US6939941B2 (en) 2001-09-12 2005-09-06 Toray Fine Chemicals Co., Ltd. Preparation of polysulfide compositions
JP4628639B2 (ja) * 2002-04-26 2011-02-09 三井化学株式会社 熱硬化性粉体塗料組成物
US20040265494A1 (en) 2003-06-25 2004-12-30 Szuping Lu Glycidyl (meth)acrylate powder coating compositions containing caprolactone-derived side chains
US7956144B2 (en) * 2006-02-03 2011-06-07 Ppg Industries Ohio, Inc. Acrylic resin for use in fluorocarbon coating compositions and method of forming the same
CN101790551A (zh) * 2007-10-05 2010-07-28 东亚合成株式会社 光固化性树脂组合物及其制造方法
KR100903683B1 (ko) * 2007-12-27 2009-06-18 제일모직주식회사 내가수분해성이 우수한 내화학성 내충격성 열가소성 수지조성물
PL2085436T3 (pl) * 2008-01-29 2011-05-31 Akzo Nobel Coatings Int Bv Akrylowe proszki powłokowe zawierające cząstki hydrofobowe oraz powłoki proszkowe z nich wykonane odporne na korozję nitkową
US8071679B2 (en) * 2008-02-29 2011-12-06 Ppg Industries Ohio, Inc Coating compositions comprising a polymer containing an oligomeric macromonomer
PL2098575T3 (pl) * 2008-03-04 2011-02-28 Akzo Nobel Coatings Int Bv Proszek powłokowy zawierający związki akrylowe z epoksydowymi grupami funkcyjnymi oraz powłoki proszkowe oporne na korozję nitkową wykonane z takiego proszku
US7737238B2 (en) 2008-03-04 2010-06-15 Anderson Development Co. Resin suitable for powder coating compositions
US9493646B2 (en) * 2012-04-13 2016-11-15 Ticona Llc Blow molded thermoplastic composition

Also Published As

Publication number Publication date
EP3110894A1 (en) 2017-01-04
TW201542609A (zh) 2015-11-16
CA2938782A1 (en) 2015-09-03
US20160355626A1 (en) 2016-12-08
EP3110894B1 (en) 2021-08-18
EP3110894B8 (en) 2021-09-22
CN106029796A (zh) 2016-10-12
AU2015222182B2 (en) 2019-01-03
KR20160127016A (ko) 2016-11-02
AU2015222182A1 (en) 2016-08-18
RU2016137323A (ru) 2018-03-29
JP6368377B2 (ja) 2018-08-01
RU2693153C2 (ru) 2019-07-01
JP2017513961A (ja) 2017-06-01
KR102305319B1 (ko) 2021-09-27
TWI688582B (zh) 2020-03-21
CN106029796B (zh) 2019-02-26
ES2899749T3 (es) 2022-03-14
MX2016010790A (es) 2016-10-26
RU2016137323A3 (ru) 2018-09-20
WO2015128361A1 (en) 2015-09-03
US9834634B2 (en) 2017-12-05

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