CN104725969B - Water-based anti-corrosion floating type aluminium powder paint and preparation method thereof - Google Patents
Water-based anti-corrosion floating type aluminium powder paint and preparation method thereof Download PDFInfo
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- CN104725969B CN104725969B CN201510089861.6A CN201510089861A CN104725969B CN 104725969 B CN104725969 B CN 104725969B CN 201510089861 A CN201510089861 A CN 201510089861A CN 104725969 B CN104725969 B CN 104725969B
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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
- C09D133/00—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 only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
- C09D133/18—Homopolymers or copolymers of nitriles
- C09D133/20—Homopolymers or copolymers of acrylonitrile
-
- 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
- C09D5/10—Anti-corrosive paints containing metal dust
-
- 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
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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
- 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
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- 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
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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)
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Abstract
The invention discloses water-based anti-corrosion floating type aluminium powder paint and a preparation method thereof. The water-based anti-corrosion floating type aluminium powder paint consists of the following raw materials by weight percentage: 35-70% of water-based nano-modification epoxy-acrylate emulsion, 15-30% of deionized water, 0.5-5% of dispersing agent, 0.1-1% of defoaming agent, 5-10% of pigment and filling agent, 1-5% of anti-rust pigment, 0.5-8% of pH conditioning agent, 0.5-10% of thickening agent, 2-5% of coalescing agent and 0.5-3% of flash-rust inhibitor. The salt fog resistance of the finished paint can reach 700h; the corrosion resistance is excellent; the solvent resistance reaches above 1400h; the aluminium powder paint has good toughness and flexibility; the content of VOC (Volatile Organic Compound) is only 59.4g/L; the construction and cleaning are convenient; a drying rate is high; and the aluminium powder paint can be matched with multiple solvent type paint for use.
Description
Technical field
The present invention relates to corrosion resistant coating technical field, more particularly, to a kind of water-repellent preservation float type aluminium paint and its preparation side
Method.
Background technology
Contain many flammable solvents and poisonous pigment in traditional solvent-borne type float type aluminium paint, pole is caused to environment
Land pollution, with the continuous improvement of mankind's environmental consciousness, high-performance, oligosaprobic water-based anticorrosive paint becomes coating industry
In new demand and developing direction, aqueous anticorrosion paint has important practical value.Existing solvent float type silver powder on market
The resistance to antiseptic property of paint and solvent resistance are unable to reach the fields such as vehicle tank car, steamer and require, and salt spray resistance is less than 50 hours, resistance to
Aging less than 72 hours, especially solvent resistance only 1-1.5 hour, what vehicle tank car drew is viscous oil and various solvent, if
Paint film not solvent resistant, can think that how outward appearance becomes.And its hardness, pliability and bendability nor take into account.
The demand increasingly harsher in order to meet market, is badly in need of research and development salt fog resistance and can exceed that, solvent resistant reaches 700 hours
The water-repellent preservation float type aluminium paint of 1400 hours.
Content of the invention
The present invention is low in order to solve the problems, such as existing anti-corrosion float type aluminium paint salt spray resistance, solvent resistant, ageing-resistant performance,
A kind of anti-corrosion float type silver is provided by technical problems such as the modification of film forming matter, the upgrading of color stuffing, the increases and decreases of auxiliary agent
Powder paint, to extend salt spray resistance, solvent resistant, ageing-resistant time.The invention provides a kind of water-repellent preservation float type aluminium paint and
Its preparation method.
The present invention adopts the following technical scheme that
The water-repellent preservation float type aluminium paint of the present invention is to comprise the following raw materials by weight percent: water nano is modified
Epoxy-acrylate emulsion 35-70%, deionized water 15-30%, dispersant 0.5-5%, defoamer 0.1-1%, color stuffing 5-
10%th, rust resisting pigment 1-5%, ph conditioning agent 0.5-8%, thickener 0.5-10%, coalescents 2-5%, anti-flash rusting agent 0.5-
3%.
The water-repellent preservation float type aluminium paint of the preferably present invention is to comprise the following raw materials by weight percent: water nano
Modified epoxy acrylic emulsion 45.5%, deionized water 25%, dispersant 3%, defoamer 0.5%, color stuffing 8%, antirust face
Material 3%, ph conditioning agent 4%, thickener 5%, coalescents 4%, anti-flash rusting agent 2%.
Water nano modified epoxy acrylic emulsion is the main film forming matter of the water-repellent preservation float type aluminium paint of the present invention
Matter, be by epoxy fat liquor and acrylic emulsion and nano-active material active surface by coupling agent graft modification,
There is the combination property of epoxy, acrylic acid and nano material, there is outstanding film forming continuity, barrier, salt spray resistance, resistance to molten
Agent, high rigidity, weatherability, quick-drying, raising adhesive force etc., described water nano modified epoxy acrylic emulsion is by following
The one-tenth of percentage by weight is grouped into: molecular weight is in the epoxy ester emulsion 10-50% of 8000-12000, containing acrylonitrile, styrene
For the acrylic emulsion 10-70% of comonomer, ethanol 10-40%, coupling agent 0-20%, nano-active material 1-5%, wherein
Nano-active material is one or more of nano silicon, nano titanium oxide, nano zine oxide.
Preferably described water nano modified epoxy acrylic emulsion is to be grouped into by the one-tenth of following percentage by weight: molecule
Amount is the acrylic emulsion 32% of comonomer, second in the epoxy ester emulsion 30% of 8000-12000, containing acrylonitrile, styrene
Alcohol 25%, coupling agent 10%, nano-active material 3%.
Described dispersant is ammonium polyacrylate salt, polycarboxylic acids ammonium salt, polycarboxylate sodium, polyether phosphate, polyethers isocyanide
One or more of acid esters.
Described defoamer is one or more of organic silicon defoamer or mineral oil antifoam agent.
Described color stuffing is aluminium paste that model is p18, one of talcum powder, mica powder, barium sulfate, kaolin or
Several.
Described rust resisting pigment is pz-20, zmp, composite zinc phosphate, aluminium triphosphate, in sapp, srpp, capp one
Plant or several.
Described ph conditioning agent is one or more of ammoniacal liquor, amp-95 or triethanolamine.
Described thickener is aerosil, organobentonite, polyurethane associative thickener, alkali soluble is swollen acrylic acid
One or more of thickener.
Described coalescents are one or more of ethylene glycol monobutyl ether, dipropylene glycol methyl ether or Lauryl Alcohol ester.
Described anti-flash rusting agent is natrium nitrosum, fa 179, fa 579, raybo60, in the amine chelate containing zinc salt
One or more.
Rust resisting pigment pz-20, zmp, composite zinc phosphate, aluminium triphosphate, sapp, srpp, capp selected in the present invention
In contain phosphate radical and many kinds of metal ions, insoluble compound can be formed with metal base in the presence of water, be formed fine and close
Passivation protection layer, thus effectively improve paint film salt spray resistance.
The aluminium paste after color stuffing p18 process selected in the present invention, talcum powder, mica powder, barium sulfate, kaolin tool
There are good chemical stability and shielding, can effectively improve the isolation capacity of compact in paint film and water oxygen, can carry simultaneously
High paint film wearability and hardness.
The preparation method of water nano modified epoxy acrylic emulsion of the present invention is:
(1) by nano material and ethanol with 3000 turns/min mix and blend, it is gradually heating to 80 DEG C of backflows, stirs 1-2h,
The coupling agent of 40-80% is gradually added dropwise to complete in 30min simultaneously, mixture is dried as a component；
(2) take part a component, add epoxy ester emulsion and acrylic emulsion, 30min is to mixing, as b group for stirring
Point；
(3) using the mass ratio 20-50% coupling agent of a component as c component；
(4) b component is to slowly warm up to 60 DEG C, c component is dropped in b component, whole time for adding 30min, with
The speed stirring of 1000 turns/min, is incubated 1h, prepared water nano modified epoxy acrylic emulsion.
The specifically comprising the following steps that of the method for water-repellent preservation float type aluminium paint of the present invention
(1) first deionized water is added in reactor, add under conditions of speed of agitator is for 200-300 rev/min and divide
Powder stirs 3-5 minute, adds defoamer, and ph value conditioning agent stirs 15-20 minute；
(2) it is subsequently added into water nano modified epoxy acrylic emulsion and speed adjust is turned minute for 800-1000, stirring
Stop after 30 minutes；
(3) material suction is joined in paint kettle, add coalescents, anti-flash rusting agent, color stuffing, rust resisting pigment, thickener, adjustment
Get final product discharging after viscosity, filter and package, get product.
The positive effect of the present invention is as follows:
The water-repellent preservation float type aluminium paint of the present invention uses water nano modified epoxy acrylic emulsion, preferably adds floating
Type aluminium paste, filler and auxiliary agent are made, and, up to 700 hours, antiseptic property is excellent for finished product paint salt spray resistance；Solvent resistance 1400 is little
When more than, there is good toughness and bendability；Voc content is only 59.4g/l；Construction is easy to clean, and rate of drying is fast, can be with
Multi-solvents type paint supports the use.
Specific embodiment
The following examples are that the present invention is described in further detail.
Embodiment 1: prepare water nano modified epoxy acrylic emulsion
(1) by 10kg nano titanium oxide and 100kg ethanol with 3000 turns/min mix and blend, it is gradually heating to 80 DEG C and returns
Stream, stirs 2h, is gradually added dropwise to complete the coupling agent of 1kg, after mixture is dried, as a component simultaneously in 30min；
(2) take a component 2kg, add 400kg epoxy ester emulsion and 600kg acrylic emulsion, stirring 30min is equal to mixing
Even, as b component；
(3) using 500g coupling agent as c component；
(4) b component is to slowly warm up to 60 DEG C, c component is dropped in b component, whole time for adding 30min, with
The speed stirring of 1000 turns/min, is incubated 1h, prepared water nano modified epoxy acrylic emulsion.
Embodiment 2:
Weigh deionized water 245kg, polycarboxylic acids ammonium salt dispersant 3kg, polysiloxane defoaming agent 2kg, ammoniacal liquor 2kg, p18 silver
Slurry 200kg, sapp0.8kg, talcum powder 1kg, mica 1kg, emulsion 500kg, dipropylene glycol methyl ether 40kg, alkali soluble is swollen acrylic acid
Thickener 2kg, fa1794kg；
(1) first add water in reactor, add dispersant to stir 5 points under conditions of speed of agitator is 300 revs/min
Clock, adds defoamer, and ph value conditioning agent stirs 15 minutes；
(2) emulsion is added to stir 30 minutes with the speed of 600 revs/min of positive rotating speed in the case of stirring；
(3) under 600 turns of minutes, coalescents, anti-flash rusting agent, thickener are added, p18 floats type aluminium paste, talcum powder, cloud
Get final product discharging after female powder adjustment viscosity, filter and package, get product.
Water-repellent preservation float type aluminium paint prepared by example 2 passes through detection, it is possible to find the aqueous anticorrosion paint tool of the present invention
There is outstanding salt spray corrosion resistance, resistance to neutral salt spray test reaches 1400 hours up to more than 700 hours solvent resistances, has good
Good toughness and bendability；Voc content is less than 60g/l；Construction is easy to clean, and rate of drying is fast, has very strong actually used
It is worth.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, permissible
Understand and can carry out multiple changes, modification, replacement to these embodiments without departing from the principles and spirit of the present invention
And modification, the scope of the present invention be defined by the appended.
Claims (10)
1. a kind of water-repellent preservation float type aluminium paint it is characterised in that: described water-repellent preservation float type aluminium paint is by following
The raw material composition of percentage by weight: water nano modified epoxy acrylic emulsion 35-70%, deionized water 15-30%, dispersant
0.5-5%, defoamer 0.1-1%, color stuffing 5-10%, rust resisting pigment 1-5%, ph conditioning agent 0.5-8%, thickener 0.5-10%, one-tenth
Film auxiliary agent 2-5%, anti-flash rusting agent 0.5-3%；
Described water nano modified epoxy acrylic emulsion is to be grouped into by the one-tenth of following percentage by weight: molecular weight exists
The epoxy ester emulsion 10-50% of 8000-12000, it is the acrylic emulsion 10-70% of comonomer, second containing acrylonitrile, styrene
Alcohol 10-40%, coupling agent 0-20%, nano-active material 1-5%, wherein nano-active material are nano silicon, nano-silica
Change one or more of titanium, nano zine oxide.
2. water-repellent preservation float type aluminium paint as claimed in claim 1 it is characterised in that: described water nano modified epoxy third
The preparation method of olefin(e) acid emulsion is:
(1) by nano material and ethanol with 3000 turns/min mix and blend, it is gradually heating to 80 DEG C of backflows, stirs 1-2h, simultaneously
The coupling agent of 40-80% is gradually added dropwise to complete in 30min, mixture is dried as a component；
(2) take part a component, add epoxy ester emulsion and acrylic emulsion, 30min is to mixing, as b component for stirring；
(3) using the mass ratio 20-50% coupling agent of a component as c component；
(4) b component is to slowly warm up to 60 DEG C, c component is dropped in b component, whole time for adding 30min, with 1000 turns/
The speed stirring of min, is incubated 1h, prepared water nano modified epoxy acrylic emulsion.
3. water-repellent preservation float type aluminium paint as claimed in claim 1 it is characterised in that: described dispersant be polyacrylic acid
One or more of ammonium salt, polycarboxylic acids ammonium salt, polycarboxylate sodium, polyether phosphate, polyethers isocyanates.
4. water-repellent preservation float type aluminium paint as claimed in claim 1 it is characterised in that: described defoamer disappears for organosilicon
One or more of infusion or mineral oil antifoam agent.
5. water-repellent preservation float type aluminium paint as claimed in claim 1 it is characterised in that: described color stuffing for model is
One or more of the aluminium paste of p18, talcum powder, mica powder, barium sulfate, kaolin.
6. water-repellent preservation float type aluminium paint as claimed in claim 1 it is characterised in that: described rust resisting pigment be pz-20,
Zmp, composite zinc phosphate, aluminium triphosphate, one or more of sapp, srpp, capp.
7. water-repellent preservation float type aluminium paint as claimed in claim 1 it is characterised in that: described ph conditioning agent be ammoniacal liquor,
One or more of amp-95 or triethanolamine.
8. water-repellent preservation float type aluminium paint as claimed in claim 1 it is characterised in that: described thickener be gas phase dioxy
SiClx, organobentonite, polyurethane associative thickener, alkali soluble are swollen one or more of acrylic thickener.
9. water-repellent preservation float type aluminium paint as claimed in claim 1 it is characterised in that: described coalescents be ethylene glycol
One or more of monobutyl ether, dipropylene glycol methyl ether or Lauryl Alcohol ester；Described anti-flash rusting agent is natrium nitrosum, fa
179th, one or more of fa 579, raybo60, the amine chelate containing zinc salt.
10. a kind of method of the water-repellent preservation float type aluminium paint prepared as described in any one of claim 1-9, its feature exists
In specifically comprising the following steps that of: methods described
(1) first deionized water is added in reactor, add dispersion under conditions of speed of agitator is for 200-300 rev/min
3-5 minute is stirred in agent, adds defoamer, and ph value conditioning agent stirs 15-20 minute；
(2) it is subsequently added into water nano modified epoxy acrylic emulsion and speed adjust is 800-1000 rev/min, stir 30
Stop after minute；
(3) material suction is joined in paint kettle, add coalescents, anti-flash rusting agent, color stuffing, rust resisting pigment, thickener, adjust viscosity
After get final product discharging, filter and package, get product.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510089861.6A CN104725969B (en) | 2015-02-27 | 2015-02-27 | Water-based anti-corrosion floating type aluminium powder paint and preparation method thereof |
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| CN201510089861.6A CN104725969B (en) | 2015-02-27 | 2015-02-27 | Water-based anti-corrosion floating type aluminium powder paint and preparation method thereof |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107903723B (en) * | 2017-11-29 | 2020-10-27 | 南京金三力橡塑有限公司 | Rubber roller vulcanization anticorrosive material and preparation method and use method thereof |
| CN109207028A (en) * | 2018-07-26 | 2019-01-15 | 河北晨阳工贸集团有限公司 | A kind of aqueous quick-drying silver powder lacquer and preparation method thereof |
| CN109096920A (en) * | 2018-08-01 | 2018-12-28 | 淮北庆丰涂料有限公司 | A kind of exterior wall alkali-resistant primer and preparation method thereof |
| CN110885617A (en) * | 2019-12-19 | 2020-03-17 | 深圳市嘉达节能环保科技有限公司 | Rust conversion coating and preparation method thereof |
| CN114181594A (en) * | 2022-02-15 | 2022-03-15 | 深圳市嘉达节能环保科技有限公司 | Zinc-coated resin compound and preparation method and application thereof |
| CN115197638A (en) * | 2022-07-27 | 2022-10-18 | 万华化学集团股份有限公司 | Preparation method and application of high-metal-texture, high-weather-resistance and high-corrosion-resistance bi-component air-drying silver paint |
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| CN103374271A (en) * | 2013-06-27 | 2013-10-30 | 天长市京发铝业有限公司 | Hydrophilic aluminum foil coating material with anti-mould and anticorrosion function |
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| CN104311757A (en) * | 2014-09-23 | 2015-01-28 | 广州大学 | Nanometer modified SiO2/epoxy acrylic acid composite resin, IMD ink and preparation method thereof |
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| WO2014078947A1 (en) * | 2012-11-26 | 2014-05-30 | Farnum Bryan Christopher | Powder coating pretreatment compositions, and methods of using and making the same |
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| CN101451030A (en) * | 2008-11-26 | 2009-06-10 | 北京航空航天大学 | Water-soluble nano powdered aluminium paint and preparation method thereof |
| CN103374271A (en) * | 2013-06-27 | 2013-10-30 | 天长市京发铝业有限公司 | Hydrophilic aluminum foil coating material with anti-mould and anticorrosion function |
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