CN107057511A - A kind of water-based silver powder amino-stoving varnish and preparation method thereof - Google Patents
A kind of water-based silver powder amino-stoving varnish and preparation method thereof Download PDFInfo
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- CN107057511A CN107057511A CN201710010116.7A CN201710010116A CN107057511A CN 107057511 A CN107057511 A CN 107057511A CN 201710010116 A CN201710010116 A CN 201710010116A CN 107057511 A CN107057511 A CN 107057511A
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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
- C09D133/04—Homopolymers or copolymers of esters
- C09D133/14—Homopolymers or copolymers of esters of esters containing halogen, nitrogen, sulfur or oxygen atoms in addition to the carboxy oxygen
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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
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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
- C09D7/63—Additives non-macromolecular organic
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- 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
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
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- 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
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Abstract
The invention discloses a kind of water-based silver powder amino-stoving varnish and preparation method thereof, the water-based silver powder amino-stoving varnish is made up of following component according to the mass fraction：60 70 parts of water-based hydroxyl acrylic emulsion, 0.2 0.4 parts of pH adjusting agent, 0.3 0.5 parts of defoamer, 13 parts of coalescents, 0.2 0.5 parts of wetting agent, 0.2 0.5 parts of levelling agent, 0.5 1.2 parts of thickener, 10 20 parts of deionized water, high 57 parts of imino moiety Amino resin, 58 parts of water-based silver powder, 58 parts of cosolvent.Safety and environmental protection of the present invention, VOC content is low, and rate of drying is fast, and glossiness is good, and gloss of film degree is good, and metal effect is good.
Description
Technical field
The present invention relates to technical field of coatings, and in particular to a kind of water-based silver powder amino-stoving varnish and preparation method thereof.
Background technology
Aluminium paint is a kind of industrial widely used coating, and aluminium powder is dispersed in paint, spraying relief paint film tool
There is very strong metallic travel.Aluminium paint mainly sees " face value ", aluminium powder in the form of sheets, in paint film as many face small mirrors
Lay flat on one's back the external light of reflection, so as to cause very strong flash effect.In order to allow the aluminium powder of sheet to be in inside paint film as far as possible
" lying low " posture, rather than " standing " (silver powder " standing " excessively, is commonly called as silver powder paint film " nigrescence "), then selected by aluminium paint
Resin and formula just have its particular/special requirement.The application of traditional solvent-borne aluminium paint is more ripe, and with the increase of environmental protection pressure,
Selection of the water aluminum powder paint to resin and formula is harsher.
Existing silver powder amino-stoving varnish is based on solvent-borne type, it is necessary to solve paint VOC content height, seriously polluted and disaster hidden-trouble
The problem of；Existing water paint product VOC content is very high, general to use water soluble acrylic resin's amino-stoving varnish, and VOC is up to
More than 300g/L, smell is also very big；It is certain poor that gloss, the metal-like of existing water paint product also have compared with solvent based product
Away from causing decorative effect poor；The application property of existing water paint product does not have conventional oil-based paint application property good, causes live Spray Painter
Psychology is contradicted than more serious；Existing water-based silver powder amino-stoving varnish is in order to reach that certain silver powder is arranged and directional effect, Dou Yaotian
Increasing amount silver powder orients auxiliary agent, causes high expensive；
Although prior art solves problem to a certain extent, still lack a kind of low aqueous silver of VOC content
Powder amino-stoving varnish and preparation method thereof.
The content of the invention
Regarding the issue above, the present invention provides a kind of VOC content low water-based silver powder amino-stoving varnish and its
Preparation method.
To reach above-mentioned purpose, present invention employs following technical proposal：A kind of water-based silver powder amino-stoving varnish of the present invention,
The water-based silver powder amino-stoving varnish is made up of following component according to the mass fraction：
Further, described water-based hydroxyl acrylic emulsion is Yantai Wanhua0678；Described pH is adjusted
Section agent is one or more of combinations in dimethylethanolamine, ammoniacal liquor or multifunction amine AMP-95.
Further, described defoamer is acryl-based antifoaming agent；Described coalescents are propylene glycol monomethyl ether, the third two
One or more of combinations in alcohol butyl ether or dipropylene glycol methyl ether.
Further, described wetting agent and levelling agent are acrylic polymer.
Further, described thickener is in cellulose thickener, alkali swelling type thickener or association thickener
One or more of combinations.
Further, described amino resins is high imino moiety methyl-etherified melamine resin, such as long vernalization
The MR-625 of work.
Further, described water-based silver powder for Wuxi Yuan Feng chemical industry W8013, the W8030 of Wuxi Yuan Feng chemical industry or
One or more of combinations in the WS220 of the rich card in Suzhou, are carried out reasonably combined according to the metallic travel of customer requirement.
The preparation method of water-based silver powder amino-stoving varnish of the present invention, comprises the following steps：
(1) each component of described parts by weight is pressed, the water-based silver powder, cosolvent are sequentially added in pot of getting the raw materials ready, low speed
Stirring 15-20 minutes, it is static soak 1-2 hours afterwards, standby；
(2) water-based hydroxyl acrylic emulsion is added in paint mixing tank, pH adjusting agent, film forming is sequentially added under stirring at low speed and is helped
Agent and deionized water, 600-800r/min are scattered 5-10 minutes；
(3) defoamer, wetting agent and levelling agent are sequentially added, 600-800r/min is scattered 10-20 minutes；
(4) amino resins and thickener are sequentially added under 400-500r/min stirrings, 600-800r/min disperses 10-
15 minutes, water-based silver powder amino-stoving varnish base-material is made；
(5) in step (1), it will be added under 400-500r/min stirrings in step (2) in obtained base-material,
600-800r/min is scattered 15-20 minutes, and water-based silver powder amino-stoving varnish is made；Various flash metal luster colored paints are such as needed, need to be added specially
Mixed colours with mill base.
(6) product made from above step is detected, filtered after detection is qualified with 100 mesh filter clothes, packed.
Beneficial effect：Safety and environmental protection of the present invention, VOC content is low, and rate of drying is fast, and glossiness is good, and gloss of film degree is good, gold
Belong to effect good.
Compared with prior art, the invention has the advantages that：
(1) present invention is used as main film forming matter from aqueous hydroxy acryl acid emulsion and part Amino resin
Matter, is solidified by 140 DEG C of high-temperature cross-linkings, obtains high glaze, the water-based stoving paint coating of high-decoration, wherein the aqueous painting prepared
Expect VOC≤40g/L, smell is very low, prevent from polluting environment.
(2) present invention selects Yantai Wanhua hydroxy acryl acid emulsion0678, the resin is a kind of macromolecular
Type, the aqueous acrylic emulsion of low hydroxy radical content (1.2%).It is characterized in that, the resin pH value is adjusted with amine neutralizer
After reaching more than 8,0678 is just provided with extremely strong pseudoplastic behavior, is oriented without the use of any auxiliary rheological agents and silver powder
Auxiliary agent, greatly simplify formula workload, and effectively reduce formulation cost.Meanwhile, higher glass transition temperature Tg (51
DEG C) so that the dry speed of the resin is very fast.
(3) present invention makes silver powder amino-stoving varnish from water-based system, and using water as diluent, low-carbon environment-friendly is not non-ignitable quick-fried,
Prevent coating and use potential safety hazard；Main film forming substance is used as from extraordinary hydroxy acryl acid emulsion, it is not necessary to add any
Silver powder orients auxiliary agent, it is possible to realizes excellent silver row's effect, effectively reduces formulation cost；Gloss of film and metal-like can
To be compared favourably with oil paint, decorative effect is strong；Application property is excellent, and spraying paint film is difficult sagging and grown dim, and spray painting workman is easily accepted by.
Embodiment
To make the purpose of the present invention, technical scheme and advantage are clearer, below make embodiments of the present invention into one
It is described in detail on step ground.
Embodiment 1
A kind of water-based silver powder amino-stoving varnish of the present invention, the water-based silver powder amino-stoving varnish is according to the mass fraction by such as the following group
It is grouped into：
Described water-based hydroxyl acrylic emulsion is Yantai Wanhua0678；Described pH adjusting agent is two
Two kinds of combination in methylethanolamine, ammoniacal liquor.Described defoamer is acryl-based antifoaming agent；Described coalescents are third
Two kinds of combination in glycol methyl ether, propandiol butyl ether.
Described wetting agent and levelling agent is acrylic polymer.Described thickener be cellulose thickener,
Two kinds of combination in alkali swelling type thickener.
Described amino resins is high imino moiety methyl-etherified melamine resin, such as MR- of Changchun chemical industry
625。
Described water-based silver powder is two kinds of combination in the WS220 of the rich card of the W8030 of Wuxi Yuan Feng chemical industry and Suzhou.
The preparation method of water-based silver powder amino-stoving varnish of the present invention, comprises the following steps：
(1) each component of described parts by weight is pressed, the water-based silver powder, cosolvent are sequentially added in pot of getting the raw materials ready, low speed
Stirring 15 minutes, static soak 2 hours, standby afterwards；
(2) water-based hydroxyl acrylic emulsion is added in paint mixing tank, pH adjusting agent, film forming is sequentially added under stirring at low speed and is helped
Agent and deionized water, 600r/min are scattered 5 minutes；
(3) defoamer, wetting agent and levelling agent are sequentially added, 800r/min is scattered 20 minutes；
(4) amino resins and thickener are sequentially added under 500r/min stirrings, 800r/min is scattered 10 minutes, is made
Water-based silver powder amino-stoving varnish base-material；
(5) in step (1), it will be added under 500r/min stirrings in step (2) in obtained base-material, 800r/
Min is scattered 20 minutes, and water-based silver powder amino-stoving varnish is made；Various flash metal luster colored paints are such as needed, special-used colour starch need to be added and adjusted
Color；
(6) product made from above step is detected, filtered after detection is qualified with 100 mesh filter clothes, packed.
Embodiment 2
The difference of embodiment 2 and embodiment 1 is：
A kind of water-based silver powder amino-stoving varnish of the present invention, the water-based silver powder amino-stoving varnish is according to the mass fraction by such as the following group
It is grouped into：
Described pH adjusting agent is dimethylethanolamine.Described defoamer is acryl-based antifoaming agent；Described film forming
Auxiliary agent is propylene glycol monomethyl ether.Described thickener is in cellulose thickener, alkali swelling type thickener and association thickener
Three kinds of combination.
The preparation method of water-based silver powder amino-stoving varnish of the present invention, comprises the following steps：
In step (1), by each component of described parts by weight, the water-based silver powder, cosolvent are sequentially added and got the raw materials ready
In pot, stirring at low speed 20 minutes, static soak 1 hour, standby afterwards；
In step (2), water-based hydroxyl acrylic emulsion is added in paint mixing tank, pH regulations are sequentially added under stirring at low speed
Agent, coalescents and deionized water, 800r/min are scattered 8 minutes；
In step (3), defoamer, wetting agent and levelling agent are sequentially added, 600r/min is scattered 10 minutes；
In step (4), amino resins and thickener, 600r/min scattered 12 are sequentially added under 400r/min stirrings
Minute, water-based silver powder amino-stoving varnish base-material is made；
In step (5), obtained base-material in step (1), will be added in step (2) under 400r/min stirrings
In, 600r/min is scattered 18 minutes, and water-based silver powder amino-stoving varnish is made；Various flash metal luster colored paints are such as needed, special color need to be added
Slurry is mixed colours.
Embodiment 3
The difference of embodiment 3 and embodiment 1 is：
A kind of water-based silver powder amino-stoving varnish of the present invention, the water-based silver powder amino-stoving varnish is according to the mass fraction by such as the following group
It is grouped into：
Described pH adjusting agent is ammoniacal liquor.Described coalescents are two kinds in propylene glycol monomethyl ether and propandiol butyl ether
Combination.Described thickener is cellulose thickener.
Described water-based silver powder is the rich card of W8013, the W8030 of Wuxi Yuan Feng chemical industry of Wuxi Yuan Feng chemical industry and Suzhou
Three kinds of combination in WS220.
The preparation method of water-based silver powder amino-stoving varnish of the present invention, comprises the following steps：
In step (1), by each component of described parts by weight, the water-based silver powder, cosolvent are sequentially added and got the raw materials ready
In pot, stirring at low speed 18 minutes, static soak 1.5 hours, standby afterwards；
In step (2), water-based hydroxyl acrylic emulsion is added in paint mixing tank, pH regulations are sequentially added under stirring at low speed
Agent, coalescents and deionized water, 700r/min are scattered 10 minutes；
In step (3), defoamer, wetting agent and levelling agent are sequentially added, 700r/min is scattered 15 minutes；
In step (4), amino resins and thickener, 700r/min scattered 15 are sequentially added under 450r/min stirrings
Minute, water-based silver powder amino-stoving varnish base-material is made；
In step (5), obtained base-material in step (1), will be added in step (2) under 480r/min stirrings
In, 700r/min is scattered 15 minutes, and water-based silver powder amino-stoving varnish is made.
Experiment 1
Table 1 is the present invention and solvent-thinned paint, the contrast test result of competing product water paint：
Table 1
| Detection project | The present invention | Oil paint | Competing product water paint |
| VOC content | 35g/L | 600g/L | 350g/L |
| Metal effect | It is excellent | It is excellent | Difference |
| Formulation cost | Low-in | Low-in | It is high |
| Gloss of film (60 °) | 85 | 88 | 45 |
| Application property | It is excellent | It is excellent | Difference |
| Sag resistance | It is excellent | It is excellent | Difference |
As shown in Table 1, sag resistance of the invention is good, and gloss of film degree is good, and metal effect is good, and VOC content is low.
The general principle of the present invention, principal character and advantages of the present invention has been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the simply explanation described in above-described embodiment and specification is originally
The principle of invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, the present invention
Claimed scope is by appended claims, specification and its equivalent thereof.
Claims (8)
1. a kind of water-based silver powder amino-stoving varnish, it is characterised in that：The water-based silver powder amino-stoving varnish is according to the mass fraction by as follows
Component is constituted：
2. water-based silver powder amino-stoving varnish according to claim 1, it is characterised in that：Described water-based hydroxyl acrylic emulsion
For Yantai WanhuaDescribed pH adjusting agent is dimethylethanolamine, ammoniacal liquor or multifunction amine AMP-95
In one or more of combinations.
3. water-based silver powder amino-stoving varnish according to claim 1, it is characterised in that：Described defoamer disappears for acrylic compounds
Infusion；Described coalescents are one or more of combinations in propylene glycol monomethyl ether, propandiol butyl ether or dipropylene glycol methyl ether.
4. water-based silver powder amino-stoving varnish according to claim 1, it is characterised in that：Described wetting agent and levelling agent be
Acrylic polymer.
5. water-based silver powder amino-stoving varnish according to claim 1, it is characterised in that：Described thickener increases for cellulose family
One or more of combinations in thick dose, alkali swelling type thickener or association thickener.
6. water-based silver powder amino-stoving varnish according to claim 1, it is characterised in that：Described amino resins is high imino group
Part methyl-etherified melamine resin.
7. water-based silver powder amino-stoving varnish according to claim 1, it is characterised in that：Described water-based silver powder is Wuxi Yuan Feng
One or more of combinations in the WS220 of the rich card of W8013, the W8030 of Wuxi Yuan Feng chemical industry of chemical industry or Suzhou.
8. the preparation method of the water-based silver powder amino-stoving varnish described in any one of claim 1 to 7, it is characterised in that including following step
Suddenly：
(1) each component of the parts by weight as described in claim 1, the water-based silver powder, cosolvent are sequentially added in pot of getting the raw materials ready,
Stirring at low speed 15-20 minutes, it is static soak 1-2 hours afterwards, standby；
(2) will water-based hydroxyl acrylic emulsion add paint mixing tank in, sequentially added under stirring at low speed pH adjusting agent, coalescents and
Deionized water, 600-800r/min is scattered 5-10 minutes；
(3) defoamer, wetting agent and levelling agent are sequentially added, 600-800r/min is scattered 10-20 minutes；
(4) amino resins and thickener are sequentially added under 400-500r/min stirrings, 600-800r/min disperses 10-15 points
Clock, is made water-based silver powder amino-stoving varnish base-material；
(5) in step (1), it will be added under 400-500r/min stirrings in step (2) in obtained base-material, 600-
800r/min is scattered 15-20 minutes, and water-based silver powder amino-stoving varnish is made；
(6) product made from above step is detected, filtered after detection is qualified with 100 mesh filter clothes, packed.
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| CN107964317A (en) * | 2017-09-11 | 2018-04-27 | 河北晨阳工贸集团有限公司 | Water soluble acrylic acid amino-stoving varnish and preparation method thereof |
| CN108395797A (en) * | 2018-04-28 | 2018-08-14 | 湖州富美材料科技有限公司 | A kind of aqueous amino-stoving varnish |
| CN108707380A (en) * | 2018-06-15 | 2018-10-26 | 成都澳贝龙科技发展有限公司 | A kind of aqueous amino-stoving varnish and its preparation method and application doing thickness |
| CN108822674A (en) * | 2018-04-03 | 2018-11-16 | 河北晨阳工贸集团有限公司 | Automobile-used aqueous assorted metal flash paint of a kind of three-wheel and preparation method thereof |
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