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WO2011030999A1 - Composition de peinture soluble dans l'eau et résistant à la rouille - Google Patents

Composition de peinture soluble dans l'eau et résistant à la rouille Download PDF

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Publication number
WO2011030999A1
WO2011030999A1 PCT/KR2010/003902 KR2010003902W WO2011030999A1 WO 2011030999 A1 WO2011030999 A1 WO 2011030999A1 KR 2010003902 W KR2010003902 W KR 2010003902W WO 2011030999 A1 WO2011030999 A1 WO 2011030999A1
Authority
WO
WIPO (PCT)
Prior art keywords
water
soluble
weight
coating composition
rust
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/KR2010/003902
Other languages
English (en)
Korean (ko)
Inventor
조성원
김재성
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
KCC Corp
Original Assignee
KCC Corp
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 KCC Corp filed Critical KCC Corp
Priority to CN201080040196.7A priority Critical patent/CN102482527B/zh
Publication of WO2011030999A1 publication Critical patent/WO2011030999A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING 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
    • C09D127/00—Coating 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 a halogen; Coating compositions based on derivatives of such polymers
    • C09D127/02—Coating 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 a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment
    • C09D127/04—Coating 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 a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
    • C09D127/08—Homopolymers or copolymers of vinylidene chloride
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING 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
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/08—Anti-corrosive paints
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING 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
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/08—Anti-corrosive paints
    • C09D5/082—Anti-corrosive paints characterised by the anti-corrosive pigment
    • C09D5/084—Inorganic compounds

Definitions

  • the present invention relates to a water-soluble rust-preventive coating composition, and more particularly, to an organic binder having a high barrier effect to oxygen and moisture, a polyvinylidene chloride copolymer and an inorganic having excellent physical properties and excellent adhesion to various metals.
  • an organic binder having a high barrier effect to oxygen and moisture
  • a polyvinylidene chloride copolymer having excellent physical properties and excellent adhesion to various metals.
  • nano binders By incorporating nano binders together, it has significantly improved rust resistance and water resistance compared to conventional water-soluble rust-preventive coatings, simultaneously increases the hardness and scratch resistance of the coating film, and has excellent durability and minimizes volatile organic compounds. It is about environmentally friendly paints.
  • the painting has the purpose of protecting the body as well as the aesthetic function.
  • many studies have been made to prevent corrosion of metal structures, components, transportation means, etc.
  • many types of oil-based antirust coatings have been developed and used successfully.
  • An object of the present invention is to provide a water-soluble anti-corrosive coating composition which is environmentally friendly and exhibits excellent anti-corrosive property, water resistance and adhesion at a level similar to existing oil-based anti-corrosive paint.
  • the present invention is a water-soluble rust-preventive coating composition, characterized in that it comprises 30 to 50 parts by weight of polyvinylidene chloride copolymer emulsion and 1 to 20 parts by weight of inorganic nano binder with respect to 100 parts by weight of the total composition It provides a water-soluble antirust coating composition.
  • the water-soluble antirust coating composition of the present invention contains 30 to 50 parts by weight of vinylidene chloride copolymer emulsion as an organopolybinder based on 100 parts by weight of the total composition.
  • Polyvinylidene chloride copolymer emulsion in the present invention is an aqueous emulsion resin containing a vinyl chloride, vinylidene chloride monomer and an acrylic monomer, the solid content is 50 to 60% by weight, stabilized between pH 1 to 3, emulsion resin Chlorine content in the 50 to 70% by weight, the glass transition temperature is an organic binder, characterized in that the range of 5 °C to 15 °C can minimize the volatile organic compounds and obtain an appropriate coating film strength.
  • the polyvinylidene chloride copolymer emulsion When included in less than 30 parts by weight of the composition of the present invention may have a problem in the adhesion to the substrate and the durability of the coating film, if included in more than 50 parts by weight of the resin itself in preparation for adhesion to the substrate The bonding strength of the resin may be so high that there is a risk of peeling without an adhesion promoter.
  • the polyvinylidene chloride copolymer emulsion resin is, for example, Haloflex 202 (trade name) and Haloflex 202S (trade name) from DSM Neoresin, Diofan P510 (trade name) from Solvay, Permax 803 (trade name) from Lubrizol, Permax 805 ( Brand name) may be used, but the present invention is not limited thereto.
  • the water-soluble antirust coating composition of the present invention contains 1 to 20 parts by weight of the inorganic nanobinder based on 100 parts by weight of the total composition.
  • the inorganic nano binder has a solid content of 20 to 35% by weight in the form of a colloidal stabilized metal oxide and silane compound
  • the dispersion medium is water, and at pH 8 to 11 using ions such as sodium or ammonium, It is characterized by being stabilized in a form having a particle diameter of about 10 to 50nm.
  • the inorganic nanobinder can form a coating film by a sol-gel method, and there are various methods for making a gel.
  • the inorganic nanobinder mainly uses concentration changes due to drying of a solvent.
  • the inorganic nano binder when included in less than 1 part by weight, there may be a problem that the advantages such as improvement of the hardness of the coating film may not be realized. And powdering may occur during coating film formation.
  • the inorganic nano binder should be used in various types of colloidal silica and other similar system colloidal metal oxides in the art, which have no compatibility problem with the organic binder.
  • Compatibility means that there should be no seed or agglomeration, particle size increase, precipitation, gelation, etc. when mixing at room temperature. Due to the nature of the aqueous dispersion, slight changes in viscosity or rheology are negligible unless they are gelled.
  • examples of the inorganic nanobinder that can be used in the present invention include, but are not limited to, Ludox TM (trade name), Ludox HS-30 (trade name) manufactured by Grace, Snowtex N (trade name) manufactured by Nissan Chemical, and the like.
  • the polyvinylidene chloride copolymer emulsion and the inorganic nanobinder as the organic binder have a mixing ratio of 100: 5 to 30 on a solids basis in the paint, but the content of the inorganic nanobinder is less than the above range.
  • the advantages such as improving the hardness of the coating film is not implemented, and when the content of the inorganic nano binder is higher than the above range, the cured coating film may be broken by fine cracks, and the storage stability of the paint itself may also be impaired.
  • water is used as the main solvent of the binder.
  • Water acts as a solvent for the dispersion medium or various compounds of each particle in the paint, and is also used as a diluent when added to the paint.
  • Water used as the main solvent is a very important factor for the environmentally friendly paints of the present invention. As the water, it is preferable to use fresh water or deionized water.
  • the water-soluble antirust coating composition of the present invention preferably contains 2 to 10 parts by weight of an inorganic rust preventive agent based on 100 parts by weight of the total composition.
  • Inorganic anti-corrosive agent that can be used in the present invention means a material that forms a passive film inside the paint coated on the metal substrate to break the electrochemical circuit of corrosion to inhibit the corrosion of the substrate.
  • the inorganic rust inhibitor is preferably a non-toxic rust preventive agent such as zinc phosphate compound or aluminum phosphate. When calcium ion exchange silicon oxide is used, it should be used with caution in compatibility with inorganic nano binders.
  • the inorganic rust preventive agent is, for example, zinc phosphate, zinc phosphate hydrate, aluminum phosphate, calcium hydrogen phosphate, zinc aluminum phosphate, strontium zinc phosphosilicate, calcium phosphate, calcium ion exchange silica, strontium phosphosilicate, calcium boho Rosilicate may be used, but is not limited thereto.
  • the inorganic rust preventive agent when included in an amount less than 2 parts by weight or in excess of 10 parts by weight, it may adversely affect the rust resistance and the stability of the paint.
  • Each inorganic rust inhibitor can be mixed with other inorganic rust inhibitors in a certain ratio to maximize the effect.
  • the water-soluble rust-preventive coating composition of the present invention preferably contains 15 to 25 parts by weight of extender pigment based on 100 parts by weight of the total composition.
  • extender pigment when the extender pigment is less than 15 parts by weight, the hardness of the coating film may be lowered.
  • the extender pigment is more than 25 parts by weight, the adhesion may be slightly lowered or the cured coating film may cause microcracks, which may adversely affect water resistance and rust resistance.
  • the extender pigment is, for example, calcium carbonate, silica, dolomite, talc, barium sulfate, kaolin, mica, wollastonite, chlorite, aluminum silicate, aluminum hydroxide, and the like, which are generally used in water-soluble rust preventive paints. It may be used, but not limited to. These can be used individually or in mixture for expression of hardness, physical property, etc. of a coating film.
  • the water-soluble rust-preventive coating composition of the present invention preferably contains 1 to 5 parts by weight of a film forming aid based on 100 parts by weight of the total composition.
  • the film forming aid may help to fusion of the binder when the coating film is formed, thereby making the coating film more dense and improving the wetting efficiency on the substrate, thereby improving adhesion.
  • the minimum coating film formation temperature of the emulsion binder is lowered to help form the coating film of the water-soluble paint at a low temperature.
  • the film preparation when included in less than 1 part by weight, there may be a problem such as cracking when applied at a low temperature (10 ° C. or less). .
  • the film preparation may be used, for example, Eastman's Texanol (trade name), Dow's Butyl carbitol (trade name), Butyl Cellosolve (trade name) and the like, but is not limited thereto.
  • the water-soluble antirust coating composition of the present invention may further include various additives as necessary.
  • a dispersant and a surfactant may be included for stabilization of the dispersion and compatibility of the emulsion resin and the inorganic nanobinder.
  • thixotropic modifiers may be added to prevent sedimentation during paint storage and to ensure workability.
  • Defoamers may be included to prevent bubble stabilization.
  • Disperbyk-190 (trade name) from BYK and Orotan-1850E (trade name) from DOW for the dispersant
  • Surfynol 104 from Airproduct, which does not contain alkylphenol ethoxylate (APEO) substances for surfactants.
  • APEO alkylphenol ethoxylate
  • thixotropic modifier includes, but is not limited to, Natrosol +330 (trade name) of Hercules.
  • the water-soluble rust-preventive coating composition of the present invention has significantly improved anti-rusting and water resistance compared to the conventional water-soluble rust-preventive coating, has excellent durability by simultaneously increasing the hardness (hardness) and scratch resistance of the coating film, it can minimize the volatile organic compounds It is a very environmentally friendly paint.
  • Example 1 the inorganic rust preventive agent was used zinc phosphate, sieving pigment was used talc.
  • the inorganic rust preventive agent was used zinc phosphate and calcium ion exchange silica, sieving pigment was used talc.
  • the inorganic rust inhibitor used Zinc phosphate, and the extender pigment used barite. The content is the same as the ratio shown in Table 1.
  • the paints prepared in Examples 1 to 3 and Comparative Examples 1 to 3 were air sprayed onto a 1.5T cold rolled steel sheet with a dry coating thickness of 80 microns, at a temperature of 23 ⁇ 2 ° C. and a relative humidity of 50 ⁇ 10%. Dry at least 7 days. At this time, while the inside of the drying chamber is ventilated, strong wind is not directly in contact with the coating film surface.
  • test method for rust resistance was in accordance with ASTM B117, and the determination was made according to ASTM D714 blistering and rust incidence.
  • the water resistance test method evaluated the specimen prepared by the above specimen preparation method by fresh water deposition for 5 days, and the judgment followed the bleeding and rust incidence determination method of ASTM D714.
  • test method for adhesion performance was in accordance with ASTM D3359.
  • test method of flexural performance was in accordance with ASTM D522.
  • the new water-soluble rust-preventive paints of Examples 1 to 3 are excellent in rust resistance compared to the existing technology, excellent adhesion to the metal base, the hardness is high surface scratch characteristics of the coating film It showed excellent and flexible coating.
  • Comparative Example 1 using a common acrylic emulsion is very poor in rust prevention
  • Comparative Example 2 in which the inorganic nano-binder is simply added to the general acrylic emulsion, rather than water resistance, or using only polyvinylidene chloride copolymer of Comparative Example 3 In this case, the rust resistance was excellent, but the hardness and water resistance of the coating film were inferior.

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Paints Or Removers (AREA)

Abstract

La présente invention porte sur une composition de peinture soluble dans l'eau et résistant à la rouille, et, plus particulièrement, sur une peinture comprenant un mélange de copolymère de polychlorovinylidène comme liant organique utilisé comme couche hautement protectrice contre l'oxygène et l'humidité, et un nanoliant minéral ayant de fortes propriétés physiques et une excellente adhérence à différents métaux, la peinture ayant une résistance à la rouille et une résistance à l'humidité significativement améliorées par rapport à la peinture soluble dans l'eau et résistant à la rouille selon l'état antérieur, ayant une excellente durée de vie du fait de la dureté de film de peinture et de la résistance aux rayures améliorées de celle-ci, et étant très écologique du fait de l'utilisation minimale de composés organiques volatils de celle-ci.
PCT/KR2010/003902 2009-09-09 2010-06-17 Composition de peinture soluble dans l'eau et résistant à la rouille Ceased WO2011030999A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201080040196.7A CN102482527B (zh) 2009-09-09 2010-06-17 水溶性防锈涂料组合物

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2009-0084830 2009-09-09
KR1020090084830A KR101079778B1 (ko) 2009-09-09 2009-09-09 수용성 방청도료 조성물

Publications (1)

Publication Number Publication Date
WO2011030999A1 true WO2011030999A1 (fr) 2011-03-17

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PCT/KR2010/003902 Ceased WO2011030999A1 (fr) 2009-09-09 2010-06-17 Composition de peinture soluble dans l'eau et résistant à la rouille

Country Status (3)

Country Link
KR (1) KR101079778B1 (fr)
CN (1) CN102482527B (fr)
WO (1) WO2011030999A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019051415A1 (fr) 2017-09-11 2019-03-14 Honeywell International Inc. Compositions de peinture contenant des formulations de copolymère destinées à améliorer l'adhérence sur des substrats métalliques

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CN108580230A (zh) * 2013-07-12 2018-09-28 威士伯采购公司 用于木板背面的涂料
CN103602168B (zh) * 2013-11-19 2016-04-13 青岛祥嘉知识产权服务有限公司 一种改进的防水涂料
CN104031506B (zh) * 2014-05-22 2016-05-25 滁州市宁扬胶业有限公司 一种硬膜乳胶漆
KR101499624B1 (ko) * 2014-08-21 2015-03-09 김민수 용접관 이음쇠용 친환경 수용성 방청도료 조성물
CN104403465A (zh) * 2014-11-27 2015-03-11 国家电网公司 一种耐沾污隔热涂料及其制备方法
CN104403463B (zh) * 2014-12-04 2017-05-17 北京科技大学 输电铁塔表面防护用水性低表面处理涂料及制备方法
CN105176230A (zh) * 2015-09-23 2015-12-23 南通瑞普埃尔生物工程有限公司 一种自来水输送地埋管道的绿色防腐面漆及其制备方法
CN105153833A (zh) * 2015-09-23 2015-12-16 南通瑞普埃尔生物工程有限公司 一种三轮摩托车低温烘烤水性环保浸涂底漆及其制备方法
KR101731578B1 (ko) 2015-10-30 2017-05-02 대원강업주식회사 고내식성을 구비하는 수용성 도료와, 수용성 도료에 의해 도막이 형성된 스프링소재
CN106280745A (zh) * 2016-09-14 2017-01-04 四川力久云智知识产权运营有限公司 一种改进的防腐蚀涂料
CN108264787A (zh) * 2016-12-30 2018-07-10 聂海 一种多元素聚合型化合物的免除锈高效防腐漆
CN107033643A (zh) * 2017-05-14 2017-08-11 郭舒洋 一种利用泥磷制备防锈涂料的方法
CN108300141A (zh) * 2017-07-04 2018-07-20 河北晨阳工贸集团有限公司 水漆及其制备方法和应用
CN107964292A (zh) * 2017-08-28 2018-04-27 河北晨阳工贸集团有限公司 一种轨道机车用弹簧漆及其制备方法
KR102274394B1 (ko) * 2019-01-10 2021-07-08 주식회사 케이씨씨 수용성 에폭시 도료 조성물
KR102080810B1 (ko) 2019-07-05 2020-02-25 이태희 친환경의 수용성 방수 도료 조성물의 시공방법
KR102081265B1 (ko) 2019-07-05 2020-02-25 이태희 친환경의 수용성 방수 도료 조성물
CN111019425B (zh) * 2019-12-06 2022-02-08 上海金力泰化工股份有限公司 一种水性双组份环氧漆及其制备方法

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KR960029379A (ko) * 1995-01-17 1996-08-17 안시환 폴리비닐리덴 클로라이드계 수지가 코팅된 필름 및 그 제조 방법
JPH10158546A (ja) * 1996-12-02 1998-06-16 Teika Corp 防錆顔料及び塗料組成物
KR20020093903A (ko) * 2000-04-12 2002-12-16 다이니혼 잉키 가가쿠 고교 가부시키가이샤 오염방지 도료 조성물 및 신규 수지
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019051415A1 (fr) 2017-09-11 2019-03-14 Honeywell International Inc. Compositions de peinture contenant des formulations de copolymère destinées à améliorer l'adhérence sur des substrats métalliques
EP3681958A4 (fr) * 2017-09-11 2021-06-02 Honeywell International Inc. Compositions de peinture contenant des formulations de copolymère destinées à améliorer l'adhérence sur des substrats métalliques

Also Published As

Publication number Publication date
CN102482527B (zh) 2016-05-11
KR20110026956A (ko) 2011-03-16
KR101079778B1 (ko) 2011-11-04
CN102482527A (zh) 2012-05-30

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