CN106010097A - Antibacterial and lasting iron oxide red anticorrosive paint and making method thereof - Google Patents

Antibacterial and lasting iron oxide red anticorrosive paint and making method thereof Download PDF

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Publication number
CN106010097A
CN106010097A CN201610381515.XA CN201610381515A CN106010097A CN 106010097 A CN106010097 A CN 106010097A CN 201610381515 A CN201610381515 A CN 201610381515A CN 106010097 A CN106010097 A CN 106010097A
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iron oxide
oxide red
hour
antibacterial
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刘玉
刘梦婷
刘兴磊
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    • 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
    • C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
    • 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
    • C09D5/14—Paints containing biocides, e.g. fungicides, insecticides or pesticides
    • 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
    • C09D5/18—Fireproof paints including high temperature resistant 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
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/60—Additives non-macromolecular
    • C09D7/61—Additives non-macromolecular inorganic
    • C09D7/62—Additives non-macromolecular inorganic modified by treatment with other compounds
    • 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
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/60—Additives non-macromolecular
    • C09D7/63—Additives non-macromolecular organic
    • 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
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/65—Additives macromolecular
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00—Specific properties of additives
    • C08K2201/011—Nanostructured additives
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/04—Polymer mixtures characterised by other features containing interpenetrating networks
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
    • C08L2205/16—Fibres; Fibrils

Abstract

The invention discloses an antibacterial and lasting iron oxide red anticorrosive paint. According to the invention, common fenugreek seed straw is modified and then added into raw materials as a binder to improve the cohesiveness and affinity to a polymer, as the components contain chitosan, a lasting antibacterial effect can be achieved. In the invention, nano-silica and superfine iron oxide red powder are mixed evenly and then subjected to organic modification, on the one hand, the iron oxide red powder surface is organized to improve its lipophilicity and compatibility with organic matters, the easy agglomeration phenomenon of iron oxide red superfine powder is solved, also the water resistance and anticorrosive performance of the paint are also improved, and on the other hand, the inorganic SiO2 network of modified nano-silica and a polymer chain form a mutually cross-linked interpenetrating structure, thus inhibiting the motion of a polymer molecular chain, and improving the heat resistance of the paint. The prepared paint has the characteristics of strong cohesiveness, lasting antibacterial performance, water and damp resistance, no scaling and no shedding, and also can reach an air purification effect.

Description

A kind of antibacterial persistent form iron oxide red anticorrosive paint and preparation method thereof
Technical field
The present invention relates to technical field of coatings, particularly relate to a kind of antibacterial persistent form iron oxide red anticorrosive paint and preparation method thereof.
Background technology
Development along with China's modern industry, particularly in industries such as metallurgy, petrochemical industry, the energy, new material and military projects, the application of high-temperature service and auxiliary facility gets more and more, metal material oxygen generation oxidation reaction easily and in air in hot environment, produce corrosion phenomena, make metal material gradually lose intensity and cause structural disappearance, become the hidden danger of various accident.Therefore, high-temperature service surface the most all needs application fire-resistant anticorrosion paint to protect, and to prevent metal material oxide etch, extends the service life of high-temperature service.
Iron oxide red is also referred to as become rusty red, red oxidization iron powder, because of it is nontoxic, chemical stability is good and have excellence fast light, high temperature resistant, acidproof, alkaline-resisting, antirust, the advantages such as ultraviolet can be absorbed and become usage amount and be only second to the second largest inorganic pigment of titanium dioxide.Iron oxide red is largely used to antirusting paint and has physical property antirust function, and moisture in air etc. is impermeable in metal level, and can increase compactness and the mechanical strength of coating.
Epoxy resin has excellent adhesion, wearability, electrical insulating property, resistant of high or low temperature, chemical proofing, have that adhesive force is good simultaneously, good mechanical performance and shrinkage factor machine-shaping low, easy and the advantage such as with low cost, be the good material as anti-corrosion of metal erosion resisting coating.But in tridimensional network after pure epoxy resin solidification, crosslink density is high, the problem such as have that internal stress is relatively big, quality is the most crisp, resistance to cracking is poor, resistance to impact is strong and wet-heat resisting is the best.
" preparation of new type silica sol modified epoxy composite coating and performance evaluation " prepares amino modified Ludox by sol-gel process, and by its mixing modification epoxy resin to obtain silica sol modified epoxy composite coating.Result shows: when add improved silica Ludox account for epoxy resin content be 2%-5% time, the adhesive force of coating, hardness, resistance to impact, pliability etc. are preferable, and the gasoline acidproof, alkaline-resisting, resistance to of coating, resistance to distilled water, salt water resistance effect also reach actually used standard simultaneously.Silicon dioxide and alternate chemical bond and the hydrogen bond action of existing of epoxy resin two in hybrid coating, the result of hybrid inorganic-organic crosslinking, can improve the high temperature resistant of coating and Corrosion Protection.
Although but iron oxide red superfine powder body has the advantages such as granularity is little, specific surface area is big, surface activity is strong, chemical reaction velocity is fast in literary composition, but it has thermodynamic phase simultaneously, easily reunite, so that application performance is severely impacted, so we need to improve the dispersive property of superfine iron oxide Hydrargyri Oxydum Rubrum body；Binding agent commonly used in the prior art is organic or inorganic class Chemical Felter mostly, to have coated the most of long duration easy to fall off but also there is corrosion metal and pollutes the hidden danger of environment, the present invention also needs to be improved existing coating binding agent, optimizes existing production technology and formula proportion and then prepares the iron oxide red anticorrosive paint of Multifunctional environment friendly.
Summary of the invention
The object of the invention is contemplated to make up the defect of prior art, it is provided that a kind of antibacterial persistent form iron oxide red anticorrosive paint and preparation method thereof.
The present invention is achieved by the following technical solutions:
A kind of antibacterial persistent form iron oxide red anticorrosive paint, is prepared by the raw materials in: epoxy resin 47-48, rectorite 5-7, Hu Luzi straw 7-9, salicylic acid 1-2, chitosan 2-3, white mineral oil 4-6, gamma-aminopropyl-triethoxy-silane 6-8, tributyl 2-acetylcitrate 5-6, nano silicon 2.1-2.4, iron oxide red superfine powder body 15-17, n-butyl alcohol 27-29.
The manufacture method of described a kind of antibacterial persistent form iron oxide red anticorrosive paint, comprises the following steps:
(1) Hu Luzi straw is dried pulverize, add sodium hydrate aqueous solution steaming and decocting 5-8 hour that appropriate mass concentration is 1-2%, cooling flowing water rinsed clean, addition salicylic acid, chitosan ultrasonic grinding 1-3 hour at 85-95 DEG C, dry to obtain modified straw starch；
(2) by hydrochloric acid solution that rectorite spray concentration after high-temperature process is 1-2mol/L in 60-80 DEG C of ultrasonic disperse 1-2 hour, washing, to neutral, add white mineral oil magnetic agitation and grinds 2-3 hour, dry；
(3) under nitrogen protection by gamma-aminopropyl-triethoxy-silane heated and boiled; adding nano silicon keeps temperature to stir 15-20 minute; add iron oxide red superfine powder body, tributyl 2-acetylcitrate continues stirring and evenly mixing ultrasonic grinding 40-50 minute, and washing is dried and to obtain modified oxidized iron oxide red superfine powder；
(4) n-butyl alcohol put in agitator stir, be warming up to 90-100 DEG C and add epoxy resin, step (1) material stirring 1-2 hour, be cooled to 45-50 DEG C add step (2), (3) material stirring grinds 2-3 hour, discharging.
The invention have the advantage that the present invention adds in raw material using modified for Hu Luzi straw as binding agent, improve caking property and the affinity with polymer thereof, due in component containing chitosan, modified antibacterial persistently；The present invention passes through organically-modified after also nano silicon and superfine iron oxide Hydrargyri Oxydum Rubrum body being mixed, on the one hand iron oxide red surface organic is made, improve its lipophile and with the organic compatibility, not only solve the easy agglomeration of iron oxide red superfine powder body, further improve the waterproof of coating and antiseptic property, nano silicon the most after modified, its inorganic SiO2Network forms, with polymer chain, the interpenetrating structure being cross-linked with each other, inhibit the motion of polymer molecular chain, improve the thermostability of coating, prepared coating has caking property lasting, waterproof and dampproof, the adeciduate feature of non-scale strong, antibacterial, can also reach to purify the effect of air simultaneously.
Detailed description of the invention
A kind of antibacterial persistent form iron oxide red anticorrosive paint, is prepared by the raw materials in: epoxy resin 47, rectorite 5, Hu Luzi straw 7, salicylic acid 1, chitosan 2, white mineral oil 4, gamma-aminopropyl-triethoxy-silane 6, tributyl 2-acetylcitrate 5, nano silicon 2.1, iron oxide red superfine powder body 15, n-butyl alcohol 27.
The manufacture method of described a kind of antibacterial persistent form iron oxide red anticorrosive paint, comprises the following steps:
(1) Hu Luzi straw is dried pulverize, add sodium hydrate aqueous solution steaming and decocting 5-8 hour that appropriate mass concentration is 1-2%, cooling flowing water rinsed clean, addition salicylic acid, chitosan ultrasonic grinding 1-3 hour at 85-95 DEG C, dry to obtain modified straw starch；
(2) by hydrochloric acid solution that rectorite spray concentration after high-temperature process is 1-2mol/L in 60-80 DEG C of ultrasonic disperse 1-2 hour, washing, to neutral, add white mineral oil magnetic agitation and grinds 2-3 hour, dry；
(3) under nitrogen protection by gamma-aminopropyl-triethoxy-silane heated and boiled; adding nano silicon keeps temperature to stir 15-20 minute; add iron oxide red superfine powder body, tributyl 2-acetylcitrate continues stirring and evenly mixing ultrasonic grinding 40-50 minute, and washing is dried and to obtain modified oxidized iron oxide red superfine powder；
(4) n-butyl alcohol put in agitator stir, be warming up to 90-100 DEG C and add epoxy resin, step (1) material stirring 1-2 hour, be cooled to 45-50 DEG C add step (2), (3) material stirring grinds 2-3 hour, discharging.
The iron oxide red anticorrosive paint utilizing the present invention to prepare has a following technical specification:
(1) salt water resistance (500h): paint film without bubbling, chap, peeling off, rust staining；
(2) coating of the present invention being heated beyond 300 DEG C just to thermally decompose, heat-resisting quantity highlights；
(3) contact angle of coating surface is 52.86 °, and coating hydrophobicity substantially increases；
(4) pencil hardness: 2H.

Claims (2)

1. an antibacterial persistent form iron oxide red anticorrosive paint, it is characterised in that be prepared by the raw materials in: epoxy resin 47-48, rectorite 5-7, Hu LuziStraw7-9, salicylic acid 1-2, chitosan 2-3, white mineral oil 4-6, gamma-aminopropyl-triethoxy-silane 6-8, tributyl 2-acetylcitrate 5-6, nano silicon 2.1-2.4, iron oxide red superfine powder body 15-17, n-butyl alcohol 27-29.
2.According to claimThe manufacture method of a kind of antibacterial persistent form iron oxide red anticorrosive paint described in 1, it is characterised in that comprise the following steps:
(1) by Hu LuziStrawDry and pulverize, add sodium hydrate aqueous solution steaming and decocting 5-8 hour that appropriate mass concentration is 1-2%, cooling flowing water rinsed clean, addition salicylic acid, chitosan ultrasonic grinding 1-3 hour at 85-95 DEG C, dry modifiedStrawStarch；
(2) by hydrochloric acid solution that rectorite spray concentration after high-temperature process is 1-2mol/L in 60-80 DEG C of ultrasonic disperse 1-2 hour, washing, to neutral, add white mineral oil magnetic agitation and grinds 2-3 hour, dry；
(3) under nitrogen protection by gamma-aminopropyl-triethoxy-silane heated and boiled; adding nano silicon keeps temperature to stir 15-20 minute; add iron oxide red superfine powder body, tributyl 2-acetylcitrate continues stirring and evenly mixing ultrasonic grinding 40-50 minute, and washing is dried and to obtain modified oxidized iron oxide red superfine powder；
(4) n-butyl alcohol put in agitator stir, be warming up to 90-100 DEG C and add epoxy resin, step (1) material stirring 1-2 hour, be cooled to 45-50 DEG C add step (2), (3) material stirring grinds 2-3 hour, discharging.
CN201610381515.XA 2016-06-02 2016-06-02 Antibacterial and lasting iron oxide red anticorrosive paint and making method thereof Pending CN106010097A (en)

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CN201610381515.XA CN106010097A (en) 2016-06-02 2016-06-02 Antibacterial and lasting iron oxide red anticorrosive paint and making method thereof

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101423685A (en) * 2007-10-30 2009-05-06 比亚迪股份有限公司 Protective coating and preparation method thereof
CN102876202A (en) * 2012-07-09 2013-01-16 浙江嘉泰塑粉有限公司 Environmentally-friendly antibacterial powder coating
CN103173102A (en) * 2013-02-26 2013-06-26 安徽明珠颜料科技有限公司 Anticorrosive coating containing rron oxide red
CN103788800A (en) * 2014-02-26 2014-05-14 泗洪新创源木业有限公司 Composite biomass coating
CN104530835A (en) * 2014-12-18 2015-04-22 贵州科新应化工贸有限公司 Paint
CN104927546A (en) * 2015-07-01 2015-09-23 国家海洋局第一海洋研究所 Preparation method for marine microorganism antifouling paint

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101423685A (en) * 2007-10-30 2009-05-06 比亚迪股份有限公司 Protective coating and preparation method thereof
CN102876202A (en) * 2012-07-09 2013-01-16 浙江嘉泰塑粉有限公司 Environmentally-friendly antibacterial powder coating
CN103173102A (en) * 2013-02-26 2013-06-26 安徽明珠颜料科技有限公司 Anticorrosive coating containing rron oxide red
CN103788800A (en) * 2014-02-26 2014-05-14 泗洪新创源木业有限公司 Composite biomass coating
CN104530835A (en) * 2014-12-18 2015-04-22 贵州科新应化工贸有限公司 Paint
CN104927546A (en) * 2015-07-01 2015-09-23 国家海洋局第一海洋研究所 Preparation method for marine microorganism antifouling paint

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