CN107090230A - A kind of water-base epoxy priming paint and preparation method - Google Patents

A kind of water-base epoxy priming paint and preparation method Download PDF

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Publication number
CN107090230A
CN107090230A CN201710441818.0A CN201710441818A CN107090230A CN 107090230 A CN107090230 A CN 107090230A CN 201710441818 A CN201710441818 A CN 201710441818A CN 107090230 A CN107090230 A CN 107090230A
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China
Prior art keywords
component
water
priming paint
weight ratio
base epoxy
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CN201710441818.0A
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Chinese (zh)
Inventor
郭寒冰
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Hefei Guangjucai Building Decoration Engineering Co Ltd
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Hefei Guangjucai Building Decoration Engineering Co Ltd
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Priority to CN201710441818.0A priority Critical patent/CN107090230A/en
Publication of CN107090230A publication Critical patent/CN107090230A/en
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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
    • C09D5/082—Anti-corrosive paints characterised by the anti-corrosive pigment
    • C09D5/084—Inorganic 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
    • C09D7/61—Additives non-macromolecular inorganic
    • 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
    • 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
    • C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
    • C08K13/06—Pretreated ingredients and ingredients covered by the main groups C08K3/00 - C08K7/00
    • 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
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C08K2003/2237—Oxides; Hydroxides of metals of titanium
    • C08K2003/2241—Titanium dioxide
    • 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
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
    • C08K2003/3045—Sulfates
    • 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
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/32—Phosphorus-containing compounds
    • C08K2003/321—Phosphates
    • C08K2003/327—Aluminium phosphate
    • 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
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/32—Phosphorus-containing compounds
    • C08K2003/321—Phosphates
    • C08K2003/328—Phosphates of heavy metals
    • 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
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/34—Silicon-containing compounds
    • 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
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/34—Silicon-containing compounds
    • C08K3/346—Clay
    • 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
    • C08K5/00—Use of organic ingredients
    • C08K5/56—Organo-metallic compounds, i.e. organic compounds containing a metal-to-carbon bond
    • C08K5/57—Organo-tin compounds

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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

The invention discloses a kind of water-base epoxy priming paint, including component A and B component, the weight ratio of the component A and B component is 5:1；The component A is made up of the raw material below according to weight ratio meter：Epoxy resin 20 30%；Mixed solvent 40 50%；Pigment 10%；Filler 8 12%；Auxiliary agent 2%；The B component is made up of the raw material below according to weight ratio meter：Curing agent 25 35%；Mixed solvent 70%.The invention discloses a kind of water-base epoxy priming paint, the strong trbasic zinc phosphate of stability is added in formula as rust resisting pigment, trbasic zinc phosphate water resistance and corrosion resistance are excellent, also do not interfere with the viscosity of coating；Organobentonite is added again simultaneously as dust-proofing agent, dibutyl tin laurate effectively improves the film forming and film performance of priming paint, solve the sedimentation occurred in Commercial epoxy priming paint and agglomeration problems, effectively improve film physical and mechanical properties as catalyst.

Description

A kind of water-base epoxy priming paint and preparation method
Technical field
The invention belongs to priming paint preparing technical field, more particularly to a kind of water-base epoxy priming paint and preparation method.
Background technology
Coil coating is a kind of coating variety developed for supporting coiled material pre-painting technique.It does not use common spray The coating process for applying or brushing, but the innovative mode for employing roller coating, on sheet metal, usually steel coiled material and Aluminum coiled material.It is a multi-coating system.Coil coating can simply be divided into priming paint, finish paint and the class of back paint three.Priming paint It is the coating that same metal base is in close contact, it is covered by finish paint, is not directly exposed in air.
With the fast development of China's economy, the every field of national economy is also constantly expanding the demand for precoating colored steel Greatly, the field used and the kind of demand are continuously increased.China's precoating colored steel is mainly used in building trade, therefore demand is most Big is building panel coil coating, has accounted for the left and right of the current coil coating market share of China.But as other field is needed That asks is continuously developed out, the coil coating for household electrical appliances colored steel, Colour decorative plate, automobile colored steel and specific use colored steel etc. The shared market share is also being stepped up.Coil coating is got over as a kind of coating variety of use special coating technique Carry out more attention and concern.There is special coil coating department many coating supply commercial cities, are responsible for researching and developing, giving birth to for coil coating Into and promote.
The content of the invention
It is an object of the invention to provide a kind of water-base epoxy priming paint and preparation method, emulsified by aqueous epoxy curing agent Cured epoxy resin, prepares double-component aqueous epoxy primer, effectively improves the film physical and mechanical properties of priming paint.
The present invention is achieved by the following technical solutions：
A kind of water-base epoxy priming paint, including component A and B component, the weight ratio of the component A and B component is 5:1；
The component A is made up of the raw material below according to weight ratio meter：
Epoxy resin 20-30%；Mixed solvent 40-50%；Pigment 10%；Filler 8-12%；Auxiliary agent 2%；
The B component is made up of the raw material below according to weight ratio meter：
Curing agent 25-35%；Mixed solvent 70%.
Further, the mixed solvent is methanol or n-butanol one of which or two kinds of mixing.
Further, the pigment is made up of the raw material below according to weight ratio meter, titanium dioxide 30-38%, precipitated sulfur Sour barium 17-23%, trbasic zinc phosphate 26-30%, aluminium triphosphate 12%.
Further, the filler is talcum powder.
Further, the auxiliary agent is made up of the raw material below according to weight ratio meter, defoamer 8-10%, dispersant 23- 25%th, organobentonite 58-62%, dibutyl tin laurate 6-8%.
Further, the curing agent is aqueous epoxy curing agent.
Further, a kind of preparation method according to water-base epoxy priming paint, this method comprises the following steps：
Epoxy resin liquid is obtained after adding epoxy resin, stirring 30-50min in the mixed solvent under S1, water bath condition, will Epoxy resin liquid is added in the paint mixing tank with cooling device, while adding pigment, filler and auxiliary agent, is filtered after stirring, Leave and take filtrate and obtain component A；
S2, curing agent is dissolved in the mixed solvent, is sufficiently stirred for 0.5-1h and obtains B component；
S3, B component added into component A, wherein the weight ratio of component A and B component is 4:1, magnetic agitation 5-10min Obtain product aqueous epoxy resin primer.
The invention has the advantages that：
The invention discloses a kind of water-base epoxy priming paint, the strong trbasic zinc phosphate of stability is added in formula and is used as antirust face Material, trbasic zinc phosphate water resistance and corrosion resistance are excellent, also do not interfere with the viscosity of coating；Organobentonite is added again simultaneously as anti- Dirt agent, dibutyl tin laurate effectively improves the film forming and film performance of priming paint, solves Commercial epoxy bottom as catalyst The sedimentation occurred in paint and agglomeration problems, effectively improve film physical and mechanical properties.
Embodiment
Technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment, ability All other embodiment that domain those of ordinary skill is obtained under the premise of creative work is not made, belongs to guarantor of the present invention The scope of shield.
Embodiment 1
A kind of preparation method of water-base epoxy priming paint, this method comprises the following steps：
Ring is obtained after adding epoxy resin 20-30g, stirring 30min under S1,50 DEG C of water bath conditions into 40g methanol solvates Oxygen resin liquid, epoxy resin liquid is added in the paint mixing tank with cooling device, while adding titanium dioxide 3g, blanc fixe Defoamer 0.16g is added after 1.7g, trbasic zinc phosphate 2.6g, aluminium triphosphate 1.2g and talcum powder 8g, magnetic agitation 20min, is disperseed Agent 0.46g, organobentonite 1.16g, dibutyl tin laurate 0.12g, filter after stirring, leave and take filtrate and obtain A groups Point；
S2, the in the mixed solvent that aqueous epoxy curing agent 5g is dissolved in methanol and n-butanol 14g, are sufficiently stirred for 0.5h and obtain B component；
S3, B component added into component A, wherein the weight ratio of component A and B component is 4:1, magnetic agitation 5min is obtained To product aqueous epoxy resin primer, its performance test results is as shown in table 1.
Embodiment 2
A kind of preparation method of water-base epoxy priming paint, this method comprises the following steps：
Ring is obtained after adding epoxy resin 30g, stirring 50min under S1,50 DEG C of water bath conditions into 50g n-butanol solvents Oxygen resin liquid, epoxy resin liquid is added in the paint mixing tank with cooling device, while adding titanium dioxide 3.8g, sulfate precipitate Defoamer 0.2g is added after barium 2.3g, trbasic zinc phosphate 3g, aluminium triphosphate 1.2g and talcum powder 12g, magnetic agitation 30min, is disperseed Agent 0.5g, organobentonite 1.24g, dibutyl tin laurate 0.16g, filter after stirring, leave and take filtrate and obtain A groups Point；
S2, the in the mixed solvent that aqueous epoxy curing agent 7g is dissolved in methanol and n-butanol 14g, are sufficiently stirred for 1h and obtain B Component；
S3, B component added into component A, wherein the weight ratio of component A and B component is 4:1, magnetic agitation 10min is obtained To product aqueous epoxy resin primer, its performance test results is as shown in table 1.
Embodiment 3
A kind of preparation method of water-base epoxy priming paint, this method comprises the following steps：
Under S1,50 DEG C of water bath conditions epoxy resin 25g, stirring are added to the in the mixed solvent of 23g methanol and 23g n-butanols Epoxy resin liquid is obtained after 40min, epoxy resin liquid is added in the paint mixing tank with cooling device, while adding titanium dioxide Add and disappear after 3.5g, blanc fixe 2g, trbasic zinc phosphate 2.8g, aluminium triphosphate 1.2g and talcum powder 10g, magnetic agitation 25min Infusion 0.18g, dispersant 0.48g, organobentonite 1.2g, dibutyl tin laurate 0.14g, filter after stirring, stay Filtrate is taken to obtain component A；
S2, the in the mixed solvent that aqueous epoxy curing agent 6g is dissolved in methanol and n-butanol 14g, are sufficiently stirred for 0.8h and obtain B component；
S3, B component added into component A, wherein the weight ratio of component A and B component is 4:1, magnetic agitation 8min is obtained To product aqueous epoxy resin primer, its performance test results is as shown in table 1.
The performance test results of the water-base epoxy priming paint prepared in the embodiment 1-3 of table 1
Project Embodiment 1 Embodiment 2 Embodiment 3
Engineering time/min 35 42 39
Surface drying time/h 3 4 4
Reach the degree required time/h that can walk 42 45 43
Road coating required time/h afterwards 15 18 16
It is completely dried time/d 7 8 7
Engineering time/min 30 40 37
System earth resistance/Ω 8.7*103 1.4*106 6.8*105
Compression strength/Nmm-2 ＞ 78 86 83
Rupture strength/Nmm-2 40 45 41
Wearability/750g500r-1 0.055 0.072 0.061
Shore hardness (D types) 66 85 83
Adhesion strength/MPa 1.6 1.9 1.5
Above content is only citing made for the present invention and explanation, and affiliated those skilled in the art are to being retouched The specific embodiment stated is made various modifications or supplement or substituted using similar mode, without departing from invention or super More scope defined in the claims, all should belong to protection scope of the present invention.

Claims (7)

1. a kind of water-base epoxy priming paint, it is characterised in that including component A and B component, the weight ratio of the component A and B component is 5:1；
The component A is made up of the raw material below according to weight ratio meter：
Epoxy resin 20-30%；
Mixed solvent 40-50%；
Pigment 10%；
Filler 8-12%；
Auxiliary agent 2%；
The B component is made up of the raw material below according to weight ratio meter：
Curing agent 25-35%；
Mixed solvent 70%.
2. a kind of water-base epoxy priming paint according to claim 1, it is characterised in that：The mixed solvent is methanol or positive fourth Alcohol one of which or two kinds of mixing.
3. a kind of water-base epoxy priming paint according to claim 1, it is characterised in that：The pigment is by below according to weight ratio The raw material composition of meter, titanium dioxide 30-38%, blanc fixe 17-23%, trbasic zinc phosphate 26-30%, aluminium triphosphate 12%.
4. a kind of water-base epoxy priming paint according to claim 1, it is characterised in that：The filler is talcum powder.
5. a kind of water-base epoxy priming paint according to claim 1, it is characterised in that：The auxiliary agent is by below according to weight ratio The raw material composition of meter, defoamer 8-10%, dispersant 23-25%, organobentonite 58-62%, dibutyl tin laurate 6- 8%.
6. a kind of water-base epoxy priming paint according to claim 1, it is characterised in that：The curing agent solidifies for water-base epoxy Agent.
7. a kind of preparation method according to any one described water-base epoxy priming paint of claim 1-6, it is characterised in that this method Comprise the following steps：
Epoxy resin liquid is obtained after adding epoxy resin, stirring 30-50min in the mixed solvent under S1, water bath condition, by epoxy Resin liquid is added in the paint mixing tank with cooling device, while adding pigment, filler and auxiliary agent, is filtered, is left and taken after stirring Filtrate obtains component A；
S2, curing agent is dissolved in the mixed solvent, is sufficiently stirred for 0.5-1h and obtains B component；
S3, B component added into component A, wherein the weight ratio of component A and B component is 4:1, magnetic agitation 5-10min is obtained Product aqueous epoxy resin primer.
CN201710441818.0A 2017-06-13 2017-06-13 A kind of water-base epoxy priming paint and preparation method Pending CN107090230A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116410647A (en) * 2023-05-06 2023-07-11 安徽众博新材料有限公司 Water-based epoxy paint and preparation method thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101792285A (en) * 2010-04-02 2010-08-04 德莱特恩环保涂料(北京)有限公司 Chromium-free environment-friendly epoxy anticorrosion primer
CN105219215A (en) * 2015-09-28 2016-01-06 洛阳双瑞防腐工程技术有限公司 A kind of preparation method of engineering machinery high-performance epoxy primer
CN106634385A (en) * 2016-10-12 2017-05-10 南雄市翔远化学科技有限公司 Waterborne two-component epoxy primer, and preparation method and application thereof

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101792285A (en) * 2010-04-02 2010-08-04 德莱特恩环保涂料(北京)有限公司 Chromium-free environment-friendly epoxy anticorrosion primer
CN105219215A (en) * 2015-09-28 2016-01-06 洛阳双瑞防腐工程技术有限公司 A kind of preparation method of engineering machinery high-performance epoxy primer
CN106634385A (en) * 2016-10-12 2017-05-10 南雄市翔远化学科技有限公司 Waterborne two-component epoxy primer, and preparation method and application thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116410647A (en) * 2023-05-06 2023-07-11 安徽众博新材料有限公司 Water-based epoxy paint and preparation method thereof

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Address after: Hefei City, Anhui Province, 230000 East Yan Dun Road Economic and Technological Development Zone Xuanyuan Road south of Nanhu spring city building 40 Room 408

Applicant after: Hefei Guangjucai Building Decoration Engineering Co., Ltd.

Address before: Hefei City, Anhui Province, 230000 East Yan Dun Road Economic and Technological Development Zone Xuanyuan Road south of Nanhu spring city 40 buildings 40

Applicant before: Hefei Guangjucai Building Decoration Engineering Co., Ltd.

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Application publication date: 20170825