CN106243838B - A kind of electrosilvering coating composition, preparation method and applications - Google Patents
A kind of electrosilvering coating composition, preparation method and applications Download PDFInfo
- Publication number
- CN106243838B CN106243838B CN201510598253.8A CN201510598253A CN106243838B CN 106243838 B CN106243838 B CN 106243838B CN 201510598253 A CN201510598253 A CN 201510598253A CN 106243838 B CN106243838 B CN 106243838B
- Authority
- CN
- China
- Prior art keywords
- parts
- coating composition
- electrosilvering
- agent
- container
- 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.)
- Active
Links
Landscapes
- Paints Or Removers (AREA)
Abstract
The invention discloses a kind of electrosilvering coating compositions, contain the following parts by weight: 7~30 parts of high-molecule metal directing agent, 0.1~10 part of hyperbranched hydroxy resin, and 1~6 part of aluminum paste, 60~300 parts of solvent, 1.011~14 parts of auxiliary agent.The invention also discloses a kind of preparation methods of electrosilvering coating composition, comprising: in the first container, 0.1~10 part of hyperbranched hydroxy resin is added into 15~90 parts of solvents；In second container, 1~6 part of aluminum paste is added into 20~60 parts of solvents, is stirring evenly and then adding into 1.011~14 parts of auxiliary agents, continues to stir evenly；The mixture of second container is added in the first container, is stirred evenly；It is eventually adding 7~30 parts of high-molecule metal directing agents and 25~150 parts of stirring solvents is uniform, obtain the electrosilvering coating composition.Electrosilvering coating composition of the invention has the characteristics that high-performance, apparent brightness are good.
Description
Technical field
The invention belongs to technical field of paint preparation, it is related to a kind of coating composition, preparation method and applications, especially relates to
And a kind of electrosilvering coating composition, preparation method and its usage.
Background technique
As the improvement of people's living standards, the appearance and quality requirement to expensive goods are higher and higher.Silver coating is electroplated
It is currently international top coating material, is widely used in the expensive goods such as electronic product, craftwork, automobile, automotive hub
Coating.The product of electroplated silver coating coating can reach effect as plating, and the new bright, fashion in surface can obviously increase product
Aesthetic appearance, and replace traditional electroplating technology (traditional electroplating technology generate in production more industrial wastewater, exhaust gas,
Waste residue, and the poisonous and harmful substances contained are more, more serious to human injury and environmental pollution).
With the continuous development of car industry, people are higher and higher to the finishing requirements of auto parts and components, especially in some appearances
The place (such as: the components such as aluminium alloy wheel hub of vehicle, automobile door handle, automobile interior decoration decoration) easily seen is decorated it outer
It sees more demanding.These components are more demanding in paint coatings aspect of performance, and some conventional resin film forming matters is caused to be difficult to spray
Apply out the plating silver coating of apperance metal effect.
In Chinese patent CN 103319966 with it is acrylic resin modified (including NC Nitroncellulose it is acrylic resin modified,
Cellulose acetate is acrylic resin modified) the plating silver coating of production, need to be toasted with 65-80 DEG C of temperature 30 minutes it is just available
Paint film, this kind of resin although available preferable appearance, but it is no baking is dry completely in the case where, be difficult on surface
The spraying of protection varnish is carried out, otherwise the solvent on varnish surface layer can permeate electrosilvering dope layer, the uniform row of electrosilvering aluminium powder
Column impact, and the aluminium silver strip of sheet is become to stand in resin coating film by tiling shape, and electrosilvering applies after finally having covered varnish baking
Layer loses metallic mirror surface effect, so this kind of resin is unable to reach the wet effect of wet shot, (i.e. without baking, paint film dodges 5-10 minutes dry
It can cover solvent-based varnishes).It is acrylic resin modified ABS, PC, ABS have preferable adhesive force on PC, but to aluminium alloy
The adhesive force of metal material is poor, and as the increase paint film of baking temperature is easy to become fragile, xanthochromia, and it is tested in CASS, smog
Experiment, water-fast rear poor adhesive force, water-fast rear paint film are easy discoloration.
With acrylic resin directly as film forming matter and over-plated aluminum paste in 103319970 A of Chinese patent CN,
Its film forming matter has preferable performance in solvent resistant, adhesion and recoatability, but has to the arrangement of plating aluminum paste
Negative effect, under the action of resin improves, paint film property is excellent, and aligning for opposite plating aluminum paste is poor, after spraying
Paint film appearance be extremely difficult to plating as mirror effect.It can be seen that thermoset acrylics class, polyesters, hydroxy acrylic acid
Although resinae etc. can be improved adhesive force and chemical resistance, paint film is difficult to spray out the mirror effect as plating.
In conclusion this field lack it is a kind of there is excellent arrangement to plating aluminum paste, and then reach preferably imitative
Electroplating effect, and it is capable of providing the composition of excellent adhesion, resistance to CASS, salt spray resistance, heat resistance and water-fast adhesion.Institute
With, there is an urgent need to one kind can spray out apperance, again can matching dissolvent type varnish reach the high-performance coating requirement of automobile coating
Plating silver coating.
Summary of the invention
In order to overcome the drawbacks of the prior art, it is good with high-performance, apparent brightness that the object of the present invention is to provide a kind of
Electrosilvering coating composition.
It is a further object to provide a kind of preparation methods of above-mentioned electrosilvering coating composition.
A further object of the present invention is to provide a kind of side that composite coating is prepared using above-mentioned electrosilvering coating composition
Method.
In order to achieve the above objectives, The technical solution adopted by the invention is as follows:
One aspect of the present invention provides a kind of electrosilvering coating composition, contains the following parts by weight:
Solid part of the high-molecule metal directing agent is 5~40%, and viscosity is 1000~4000mpa.s/25 DEG C.
The high-molecule metal directing agent is high molecular cellulose resin, high molecular cellulose directing agent, etherificate polyurethane
At least one of modified cellulose directing agent, vinyl cellulose directing agent, the acrylic acid modified celluosic resin of etherificate.
The hyperbranched hydroxy resin is prepared with hyperbranched hydroxy polymer, and the hyperbranched hydroxy polymer is
It is that diverging molecule progress vacuum fusion polycondensation acquisition is sticky with ABx type polyhydroxy-acid using By type polyol as core molecule
A kind of hydroxyl hyperbranched hydroxy polymer in shape end；Wherein, A represents carboxyl, and B represents hydroxyl, degree of functionality x≤2, y≤2；
The temperature of the vacuum fusion is 100-200 DEG C；Preferably, hydroxyl value >=160mgKOH/ of the hyperbranched hydroxy polymer
g。
Preferably, the hydroxyl value of the hyperbranched hydroxy resin is 250-600mgKOH/g.The hyperbranched hydroxy resin
Hydroxyl value be calculated as 349 ± 20mgKOH/g by resin solid part 55~58%, viscosity is 100~300cps/25 DEG C, acid value is 2~
8mg KOH/g, solid part are 55~58%.
The aluminum paste is plating aluminum paste or imitative electrosilvering aluminum paste；Wherein, plating aluminum paste is preferably non-floating type electricity
It plates aluminum paste or aluminum paste is electroplated in floating type；Aluminum paste is preferably VP12359 or L-55700.
The solvent be selected from one of butyl acetate, ethyl acetate, propylene glycol methyl ether acetate, S-100# solvent naphtha or
More than one mixture.
The auxiliary agent is to contain the following parts by weight:
0.01~2 part of dispersing agent,
0.001~2 part of levelling agent,
1~10 part of anti-settling agent.
The chemical constituent of the dispersing agent is the macromolecule of the copolymer solution containing acidic-group or the affinity groups containing pigment
Measure block copolymer solution, preferably solvent type wetting dispersing agent, more preferably BYK-110 dispersing agent, BYK-163 dispersing agent or
BYK-104S dispersing agent.
The chemical constituent of the levelling agent is polyether-modified dimethyl silicone polymer solution, polyether-modified poly- methyl alkyl silicon
Oxygen alkane solution or polyether-modified acrylic functional reunion dimethyl siloxane, preferably organosilicon levelling agent or acrylic acid levelling
Agent, more preferably BYK-306, BYK-320, BYK-3550.
The chemical constituent of the anti-settling agent be acetylbutyrylcellulose, preferably CAB381-20, CAB381-0.5,
CAB551-0.01 or CAB551-0.2.
Another aspect of the present invention provides a kind of preparation method of above-mentioned electrosilvering coating composition, including following step
It is rapid: in the first container, 0.1~10 part of hyperbranched hydroxy resin to be added into 15~90 parts of solvents, stirs evenly；Hold second
In device, 1~6 part of aluminum paste is added into 20~60 parts of solvents, is stirring evenly and then adding into 1.011~14 parts of auxiliary agents, continues to stir
Uniformly；The mixture of second container is added in the first container, is stirred evenly；7~30 parts of macromolecules are added to the first container
Metal directing agent and 25~150 parts of stirring solvents are uniform, obtain electrosilvering coating composition.
The time of the stirring is 0.1~5 hour (h)；The speed of stirring is 100~700r/min.
Another aspect of the present invention further provides the step of preparing the hyperbranched hydroxy resin: described hyperbranched
Hydroxy resin is prepared with hyperbranched hydroxy polymer, and the hyperbranched hydroxy polymer is with By type polyol
It is that diverging molecule progress vacuum fusion polycondensation obtains the hydroxyl one kind in thick end with ABx type polyhydroxy-acid for core molecule
Hyperbranched hydroxy polymer；Wherein, A represents carboxyl, and B represents hydroxyl, degree of functionality x≤2, y≤2；The temperature of the vacuum fusion
It is 100-200 DEG C；Hydroxyl value >=160mgKOH/g of the hyperbranched hydroxy polymer.
An additional aspect of the present invention provides a kind of use for being used as composite coating using above-mentioned electrosilvering coating composition
On the way.The purposes is realized by following steps: first spray-applied primer, room temperature are dodged dry on the metallic substrate；And spraying electrosilvering applies
Feed composition, room temperature dodge dry, levelling, then spray solvent type clear varnish, obtain composite coating after baking.
The metallic substrates are the metal of the aluminum alloy wheel block for being covered with grey bottom powder, kirsite, ironware, aluminum component, copper piece etc.
Part or alloy components.
The spray-applied primer uses 101 type spray gun of rock field, and spray pressure is 0.3~0.6MPa, and viscosity is 13~15S/ painting
4# glasss.
The room temperature sudden strain of a muscle dry time is 5~10 minutes.
The spraying electrosilvering coating composition uses 101 type spray gun of rock field, and spray pressure is 0.3~0.6MPa, control
Thickness of dry film is 0.1~4 μm, and viscosity is that 10~13S/ applies 4# glasss.
The time of the levelling is 5~10 minutes (min).
The solvent type clear varnish is acrylic-amino varnish baking vanish or Amino-Polyester varnish baking vanish.
The film thickness of the solvent type clear varnish is 25~35um, and spray viscosity is 14~20 seconds/4# glasss of painting.
The temperature of the baking is 130~160 DEG C, and the time is 30~60 minutes (min).
Due to the adoption of the above technical scheme, the present invention has the following advantages and beneficial effects:
The spy that electrosilvering coating composition provided by the invention aligns aluminum paste using high-molecule metal directing agent
Property, can be oriented arrangement to aluminum paste well in the case where less additive amount, so that it is evenly distributed to reach aluminum paste,
Spraying achievees the effect that as plating metal.
Electrosilvering coating composition provided by the invention utilizes the numerous hydroxy functional groups and polarity of hyperbranched hydroxy resin
Group can be improved crosslink density and reactivity, solve high-molecule metal directing agent coating chemicals-resistant, water-fast rear adhesive force
The performance issue of difference etc. makes paint film have fabulous adhesive force, salt fog resistance corrosivity, CASS corrosivity, water-fast adhesion
Deng it is poor, resistance to solve resistance to CASS acrylic resin modified by NC Nitroncellulose, that cellulose acetate is acrylic resin modified experiment
Paint film is easy discoloration and acrylic resin to plating aluminum paste after salt fog poor (neutral salt spray test 1000 hours), water resistant test
The problems such as aligning property, mating dual-component polyurethane varnish and amino-stoving varnish varnish performance are excellent, and adhesive force reaches 0 grade.
Preparation method of the invention is simple, is suitable for industrialized production.
Specific embodiment:
Below with reference to embodiment, the present invention is described in further detail.
It is reagent used in embodiment below:
High-molecule metal directing agent is purchased from KX-630 high-molecule metal directing agent common in the market.
Aluminum paste is electroplated purchased from Su Lunke metallic pigments VP12359/ Germany, Germany love card L-55700.
Levelling agent is Germany Bi Ke chemistry BYK-320 or BYK-306 or BYK-3550.
Dispersing agent is the BYK-110 or BYK-104S or BYK-163 of Germany's Bi Ke chemistry.
Acetylbutyrylcellulose is the CAB381-20 of U.S. Yi Siman.
Other general chemistry samples are bought from Sigma-Aldrich Sigma-Aldrich.
Solid part of high-molecule metal directing agent is 5~40%, and viscosity is 1000~4000mpa.s/25 DEG C.
Hyperbranched hydroxy resin in present embodiment is prepared with hyperbranched hydroxy polymer, the hyperbranched hydroxyl
Based polyalcohol is using By type polyol as core molecule, is that diverging molecule carries out vacuum fusion contracting with ABx type polyhydroxy-acid
It is poly- to obtain a kind of hydroxyl hyperbranched hydroxy polymer in thick end；Wherein, A represents carboxyl, and B represents hydroxyl, degree of functionality x
≤ 2, y≤2；The temperature of the vacuum fusion is 100-200 DEG C；The hydroxyl value of the hyperbranched hydroxy polymer >=
160mgKOH/g.Preferably, the hydroxyl value of the hyperbranched hydroxy resin is 250-600mgKOH/g.
In the present embodiment, the hydroxyl value of the hyperbranched hydroxy resin be calculated as 349 by resin solid part 55~58% ±
20mgKOH/g, viscosity are 100~300cps/25 DEG C, and acid value is 2~8mg KOH/g, and solid part is 55~58%.Specifically,
Preparation method is as follows: 1.0 mole of pentaerythritol being packed into equipped with blender, Ar inlet, thermometer and are used for water separation
In four mouthfuls of reaction flasks of cooler, temperature is increased to 120 DEG C, while 60 moles of dihydromethyl propionic acids and 0.12 mole is added
P-methyl benzenesulfonic acid, subsequent temperature are increased to 140 DEG C, and argon gas stream is passed through in reaction flask except the water generated in dereaction.Reaction
After 10-20 hours, 22 moles of certain herbaceous plants with big flowers acid is added, reaction continues 2-5 hours.Then n-butyl acetate is added to be let down, obtains
It is 100~300cps/25 DEG C to viscosity, acid value is 2~8mg KOH/g, the hyperbranched hydroxy resin that solid part is 55~58%.
In the case of being clear from, explaining to the purpose of the present invention by following embodiment, the component of the composition
It is released using parts by weight as the universal standard bright.In the absence of special instructions, for simplicity, institute in the embodiment of the present invention
" part " and the parts by weight meaning having the same stated.
Embodiment 1
Table 1
| Serial number | Title | Parts by weight |
| 1、 | Propylene glycol methyl ether acetate | 13 parts |
| 2、 | Butyl acetate | 22.9 parts |
| 3、 | Hyperbranched hydroxy resin | 0.2 part |
| 4、 | Butyl acetate | 10 parts |
| 5、 | Propylene glycol methyl ether acetate | 10 parts |
| 6、 | VP12359 | 3.5 part |
| 7、 | BYK-110 | 0.05 part |
| 8、 | CAB381-20 | 4 parts |
| 9、 | KX-630 | 20 parts |
| 10、 | BYK-320 | 0.005 part |
| 11、 | S-100# | 150 parts |
In the first container, into 13 parts of propylene glycol methyl ether acetates and 22.9 parts of butyl acetates, 0.2 part of addition is hyperbranched
Hydroxy resin stirs evenly；In second container, 3.5 are added into 10 parts of butyl acetates and 10 parts of propylene glycol methyl ether acetates
Part aluminum paste VP12359, sequentially adds 0.05 part of BYK-110,4 parts of CAB381-20,0.005 part of BYK-320 after mixing evenly,
Continue to stir evenly；The mixture of second container is added in the first container, is stirred evenly；Finally 20 are added to the first container
Part high-molecule metal directing agent KX-630 and 150 parts of S-100# solvent naphthas stir evenly, and the time of stirring is 0.1~5h；Stirring
Speed be 100~700r/min, to obtain electrosilvering coating composition.
Embodiment 2
Table 2
| Serial number | Title | Parts by weight |
| 1、 | Propylene glycol methyl ether acetate | 13 parts |
| 2、 | Butyl acetate | 22.9 parts |
| 3、 | Hyperbranched hydroxy resin | 0.4 part |
| 4、 | Butyl acetate | 10 parts |
| 5、 | Propylene glycol methyl ether acetate | 10 parts |
| 6、 | VP12359 | 3.5 part |
| 7、 | BYK-110 | 0.05 |
| 8、 | CAB381-20 | 4 parts |
| 9、 | KX-630 | 30 parts |
| 10、 | BYK-320 | 0.02 part |
| 11、 | S-100# | 150 parts |
In the first container, into 13 parts of propylene glycol methyl ether acetates and 22.9 parts of butyl acetates, 0.4 part of addition is hyperbranched
Hydroxy resin stirs evenly；In second container, 3.5 are added into 10 parts of butyl acetates and 10 parts of propylene glycol methyl ether acetates
Part aluminum paste VP12359, sequentially adds 0.05 part of BYK-110,4 parts of CAB381-20,0.02 part of BYK-320 after mixing evenly, after
It is continuous to stir evenly；The mixture of second container is added in the first container, is stirred evenly；Finally 30 parts are added to the first container
High-molecule metal directing agent KX-630 and 150 parts of S-100# solvent naphthas stir evenly, and the time of stirring is 0.1~5h；Stirring
Speed is 100~700r/min, to obtain electrosilvering coating composition.
Embodiment 3
Table 3
| Serial number | Title | Parts by weight |
| 1、 | Propylene glycol methyl ether acetate | 13 parts |
| 2、 | Butyl acetate | 22.9 parts |
| 3、 | Hyperbranched hydroxy resin | 0.4 part |
| 4、 | Butyl acetate | 10 parts |
| 5、 | Propylene glycol methyl ether acetate | 10 parts |
| 6、 | VP12359 | 3.5 part |
| 7、 | BYK-110 | 0.05 part |
| 8、 | CAB381-20 | 4 parts |
| 9、 | KX-630 | 15 parts |
| 10、 | BYK-320 | 0.02 part |
| 11、 | S-100# | 150 parts |
In the first container, into 13 parts of propylene glycol methyl ether acetates and 22.9 parts of butyl acetates, 0.4 part of addition is hyperbranched
Hydroxy resin stirs evenly；In second container, 3.5 are added into 10 parts of butyl acetates and 10 parts of propylene glycol methyl ether acetates
Part aluminum paste VP12359, sequentially adds 0.05 part of BYK-110,4 parts of CAB381-20,0.02 part of BYK-320 after mixing evenly, after
It is continuous to stir evenly；The mixture of second container is added in the first container, is stirred evenly；Finally 15 parts are added to the first container
High-molecule metal directing agent KX-630 and 150 parts of S-100# solvent naphthas stir evenly, and the time of stirring is 0.1~5h；Stirring
Speed is 100~700r/min, obtains electrosilvering coating composition.
Embodiment 4
Table 4
| Serial number | Title | Parts by weight |
| 1、 | Propylene glycol methyl ether acetate | 13 parts |
| 2、 | Butyl acetate | 22.9 parts |
| 3、 | Hyperbranched hydroxy resin | 0.2 part |
| 4、 | Butyl acetate | 10 parts |
| 5、 | Propylene glycol methyl ether acetate | 10 parts |
| 6、 | VP12359 | 2 parts |
| 7、 | BYK-110 | 0.05 part |
| 8、 | CAB381-20 | 4 parts |
| 9、 | KX-630 | 10 parts |
| 10、 | BYK-320 | 0.02 part |
| 11、 | S-100# | 90 parts |
In the first container, into 13 parts of propylene glycol methyl ether acetates and 22.9 parts of butyl acetates, 0.2 part of addition is hyperbranched
Hydroxy resin stirs evenly；In second container, 2 parts are added into 10 parts of butyl acetates and 10 parts of propylene glycol methyl ether acetates
Aluminum paste VP12359 sequentially adds 0.05 part of BYK-110,4 parts of CAB381-20,0.02 part of BYK-320 after mixing evenly, continues
It stirs evenly；The mixture of second container is added in the first container, is stirred evenly；10 parts of height finally are added to the first container
Molecular metal directing agent KX-630 and 90 parts of S-100# solvent naphthas stir evenly, and the time of stirring is 0.1~5h；The speed of stirring
For 100~700r/min, to obtain electrosilvering coating composition.
Embodiment 5
By electrosilvering coating composition made from embodiment 1-4 and the (comparative example 1: bright gram of automotive hub plating of comparative example 1
Silver coating composite coating) and comparative example 2 (comparative example 2: Suzhou forever it is beautiful plating silver coating composite coating) coating composition, in cover
Have on the aluminum alloy wheel block of grey bottom powder spray ORGA SELCET50 black primer (101 type spray gun of rock field, spray pressure are
0.3-0.6MPa, viscosity are that 13-15S/ applies 4# glasss), room temperature, which is dodged, to be done 5-10 minutes, and electrosilvering composite paint (rock is then sprayed
101 type spray gun of field, spray pressure 0.3-0.6MPa, control thickness of dry film are 0.1-4 μm, and viscosity is that 10-13S/ applies 4# glasss),
Room temperature, which dodges, to be done, and flow time is 5~10min, then sprays solvent type clear varnish (acrylic-amino on plating silver paint layer
Varnish baking vanish or Amino-Polyester varnish baking vanish), 130-160 DEG C × 30-60min baking controls varnish film with a thickness of 25~35um,
Spray viscosity is 14~20 seconds/4# glasss of painting；Obtain composite coating.
The method for testing performance of obtained composite coating is as shown in table 5:
Table 5
| Detection project | Detection method |
| Adhesive force | JIS K 5600-5-6 |
| Impact resistance | JIS K 5600-5-3 |
| CASS test | ASTM B369 |
| Neutral salt spray test | JIS K 5600-7-1 |
| Water resistant test | JIS K 5600-6-2 |
| Chemical resistance test | JIS K 5600-6-1 |
The performance for the composite coating that embodiment 1-4 and comparative example 1 and comparative example 2 are prepared according to the method for embodiment 5
Test result is as shown in table 6:
Embodiment (1~4): the composite coating of the electrosilvering coating composition of Examples 1 to 4 preparation
Comparative example 1: silver coating composite coating is electroplated in bright gram of automotive hub
Comparative example 2: Suzhou beautiful plating silver coating composite coating forever
Table 6
From the comparison of table 6 as it can be seen that embodiment 1-4 preparation has the wettable plating silver coating for squirting technique of high-performance apperance
Composition, composite coating adhesive force reach 0 grade；And there is good water-fast, chemical-resistance, while adhesive force is lossless
It loses.And comparative example 1, the water-fast and chemical resistance effect of 2 paint film of comparative example are poor, not up to ideal water-fast adhesive force.And it is resistance to
Impact, CASS, resistance to neutral salt spray be the embodiment of the present invention achieve the effect that it is satisfied.
Embodiment 6
A kind of electrosilvering coating composition, contains the following parts by weight:
In the first container, 10 parts of hyperbranched hydroxyls are added into 5 parts of propylene glycol methyl ether acetates and 10 parts of butyl acetates
Resin stirs evenly；In second container, 1 part of aluminium silver is added into 10 parts of butyl acetates and 10 parts of propylene glycol methyl ether acetates
L-55700 is starched, sequentially adds 0.01 part of dispersant B YK-104S, 1 part of levelling agent BYK-3550,1 portion of anti-settling agent after mixing evenly
CAB551-0.2 continues to stir evenly；The mixture of second container is added in the first container, is stirred evenly；Finally to
7 parts of high-molecule metal directing agent KX-630 are added in one container and 25 parts of S-100# solvent naphthas stir evenly, and the time of stirring is 0.1
~5h；The speed of stirring is 100~700r/min, to obtain electrosilvering coating composition.
Embodiment 7
A kind of electrosilvering coating composition, contains the following parts by weight:
In the first container, 0.1 part of hyperbranched hydroxyl is added into 10 parts of propylene glycol methyl ether acetates and 20 parts of butyl acetates
Base resin, stirs evenly；In second container, 6 parts of aluminium are added into 20 parts of butyl acetates and 20 parts of propylene glycol methyl ether acetates
Silver paste L-55700 sequentially adds 2 parts of dispersant B YK-104S, 2 parts of levelling agent BYK-306,10 portions of anti-settling agents after mixing evenly
CAB551-0.01 continues to stir evenly；The mixture of second container is added in the first container, is stirred evenly；Finally to
One container is added 25 parts of high-molecule metal directing agent KX-630 and 110 parts of S-100# solvent naphthas and stirs evenly, and the time of stirring is
0.1~5h；The speed of stirring is 100~700r/min, to obtain electrosilvering coating composition.
Embodiment 8
A kind of electrosilvering coating composition, contains the following parts by weight:
In the first container, 5 parts of hyperbranched hydroxyl trees are added into 8 parts of propylene glycol methyl ether acetates and 16 parts of butyl acetates
Rouge stirs evenly；In second container, 5 parts of aluminum pastes are added into 18 parts of butyl acetates and 18 parts of propylene glycol methyl ether acetates
L-55700 sequentially adds 1 part of dispersant B YK-163,0.5 part of levelling agent BYK-306,5 portions of anti-settling agents after mixing evenly
CAB381-0.5 continues to stir evenly；The mixture of second container is added in the first container, is stirred evenly；Finally to
One container is added 18 parts of high-molecule metal directing agent KX-630 and 80 parts of S-100# solvent naphthas and stirs evenly, and the time of stirring is
0.1~5h；The speed of stirring is 100~700r/min, to obtain electrosilvering coating composition.
The spy that electrosilvering coating composition provided by the invention aligns aluminum paste using high-molecule metal directing agent
Property, can be oriented arrangement to aluminum paste well in the case where less additive amount, so that it is evenly distributed to reach aluminum paste,
Spraying achievees the effect that as plating metal.
Electrosilvering coating composition provided by the invention utilizes the numerous hydroxy functional groups and polarity of hyperbranched hydroxy resin
Group can be improved crosslink density and reactivity, solve high-molecule metal directing agent coating chemicals-resistant, water-fast rear adhesive force
The performance issue of difference etc. makes paint film have fabulous adhesive force, salt fog resistance corrosivity, CASS corrosivity, water-fast adhesion
Deng it is poor, resistance to solve resistance to CASS acrylic resin modified by NC Nitroncellulose, that cellulose acetate is acrylic resin modified experiment
Paint film is easy discoloration and acrylic resin to plating aluminum paste after salt fog poor (neutral salt spray test 1000 hours), water resistant test
The problems such as aligning property, mating dual-component polyurethane varnish and amino-stoving varnish varnish performance are excellent, and adhesive force reaches 0 grade.
Preparation method of the invention is simple, is suitable for industrialized production.
Obviously, the above embodiment of the present invention be only to clearly illustrate example of the present invention, and not be pair
The restriction of embodiments of the present invention may be used also on the basis of the above description for those of ordinary skill in the art
To make other variations or changes in different ways, the embodiment that the present invention is enumerated can not give thoroughly all embodiments
To the greatest extent, all to belong to obvious changes or variations that technical solution of the present invention is extended out still in protection model of the invention
The column enclosed.All documents referred in the present invention are incorporated herein by reference, independent just as a document
It is cited as with reference to such.
Claims (11)
1. a kind of electrosilvering coating composition, it is characterised in that: it is made of the component of following parts by weight,
The auxiliary agent contains the following parts by weight:
0.01~2 part of dispersing agent,
0.001~2 part of levelling agent,
1~10 part of anti-settling agent,
The high-molecule metal directing agent is to be etherified polyurethane-modified cellulose directing agent, vinyl cellulose directing agent, etherificate
At least one of acrylic acid modified celluosic resin, and solid part of the high-molecule metal directing agent is 5~40%, viscosity
It is 1000~4000mpa.s/25 DEG C；
The hyperbranched hydroxy resin is prepared with hyperbranched hydroxy polymer, and the hyperbranched hydroxy polymer is with By
Type polyol is core molecule, is that diverging molecule carries out the thick end of vacuum fusion polycondensation acquisition with ABx type polyhydroxy-acid
Hold a kind of hydroxyl hyperbranched hydroxy polymer；Wherein, A represents carboxyl, and B represents hydroxyl, degree of functionality x≤2, y≤2；It is described
The temperature of vacuum fusion is 100-200 DEG C；Hydroxyl value >=160mgKOH/g of the hyperbranched hydroxy polymer；
The hydroxyl value of the hyperbranched hydroxy resin is calculated as 349 ± 20mgKOH/g, viscosity 100 by resin solid part 55~58%
~300cps/25 DEG C；Acid value is 2~8mg KOH/g, and solid part is 55~58%.
2. electrosilvering coating composition according to claim 1, it is characterised in that: the aluminum paste be plating aluminum paste or
Imitative electrosilvering aluminum paste；Wherein, the plating aluminum paste is that aluminum paste is electroplated in non-floating type or aluminum paste is electroplated in floating type.
3. electrosilvering coating composition according to claim 1, it is characterised in that: the solvent is selected from butyl acetate, vinegar
At least one of acetoacetic ester, propylene glycol methyl ether acetate, S-100# solvent naphtha.
4. electrosilvering coating composition according to claim 1, it is characterised in that: the dispersing agent is solvent type wetting point
Powder；The levelling agent is organosilicon levelling agent or acrylic acid levelling agent.
5. electrosilvering coating composition according to claim 1, it is characterised in that: the chemical constituent of the dispersing agent be containing
The copolymer solution of acidic-group or the high molecular weight block copolymer solution of the affinity groups containing pigment；
The chemical constituent of the levelling agent is polyether-modified dimethyl silicone polymer solution, polyether-modified poly- methyl alkyl siloxane
Solution or polyether-modified acrylic functional reunion dimethyl siloxane；
The chemical constituent of the anti-settling agent is acetylbutyrylcellulose.
6. a kind of preparation method of the described in any item electrosilvering coating compositions of Claims 1 to 5, it is characterised in that: including
Following steps:
In the first container, 0.1~10 part of hyperbranched hydroxy resin is added into 15~90 parts of solvents, stirs evenly；
In second container, 1~6 part of aluminum paste is added into 20~60 parts of solvents, is stirring evenly and then adding into 1.011~14 parts and helps
Agent continues to stir evenly；
The mixture of the second container is added in the first container, is stirred evenly；And
7~30 parts of high-molecule metal directing agents are added to the first container and 25~150 parts of stirring solvents are uniform, to obtain
State electrosilvering coating composition.
7. the preparation method of electrosilvering coating composition according to claim 6, it is characterised in that: the time of the stirring
For 0.1~5h；The speed of stirring is 100~700r/min.
8. the preparation method of electrosilvering coating composition according to claim 6, it is characterised in that: the hyperbranched hydroxyl
Resin is prepared with hyperbranched hydroxy polymer, and the hyperbranched hydroxy polymer is using By type polyol as core
Molecule is that diverging molecule progress vacuum fusion polycondensation obtains a kind of hydroxyl over-expense in thick end with ABx type polyhydroxy-acid
Change hydroxy polymer；Wherein, A represents carboxyl, and B represents hydroxyl, degree of functionality x≤2, y≤2；The temperature of the vacuum fusion is
100-200℃；Hydroxyl value >=160mgKOH/g of the hyperbranched hydroxy polymer.
9. a kind of described in any item electrosilvering coating compositions of Claims 1 to 5 are used as the purposes of composite coating, feature exists
In: the composite coating system first passes through spray-applied primer on the metallic substrate, and room temperature is dodged dry；And
The electrosilvering coating composition is sprayed, room temperature dodges dry, levelling, then sprays solvent type clear varnish, obtains after baking
The composite coating.
10. the purposes that electrosilvering coating composition according to claim 9 is used as composite coating, it is characterised in that: described
Metallic substrates be the aluminum alloy wheel block for being covered with grey bottom powder, kirsite, ironware, aluminum component, copper piece metalwork or alloy components；
The spray pressure of the spray-applied primer is 0.3~0.6MPa, and viscosity is that 13~15S/ applies 4# glasss；
The room temperature sudden strain of a muscle dry time is 5~10 minutes；
The spray pressure of the spraying electrosilvering coating composition is 0.3~0.6MPa, and control thickness of dry film is 0.1~4 μm, is glued
Degree is that 10~13S/ applies 4# glasss.
11. being used as the purposes of composite coating according to the electrosilvering coating composition that claim 9 is stated, it is characterised in that: the stream
The flat time is 5~10 minutes；
The solvent type clear varnish is acrylic-amino varnish baking vanish or Amino-Polyester varnish baking vanish；
The film thickness of the solvent type clear varnish is 25~35um, and spray viscosity is 14~20 seconds/4# glasss of painting；
The temperature of the baking is 130~160 DEG C, and the time is 30~60 minutes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510598253.8A CN106243838B (en) | 2015-09-18 | 2015-09-18 | A kind of electrosilvering coating composition, preparation method and applications |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510598253.8A CN106243838B (en) | 2015-09-18 | 2015-09-18 | A kind of electrosilvering coating composition, preparation method and applications |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106243838A CN106243838A (en) | 2016-12-21 |
| CN106243838B true CN106243838B (en) | 2019-09-10 |
Family
ID=57626448
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510598253.8A Active CN106243838B (en) | 2015-09-18 | 2015-09-18 | A kind of electrosilvering coating composition, preparation method and applications |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106243838B (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106824724A (en) * | 2017-03-02 | 2017-06-13 | 秦皇岛中秦渤海轮毂有限公司 | A kind of imitative plating spraying coating process of colour for wheel hub |
| CN106978047B (en) * | 2017-05-18 | 2019-07-12 | 立邦工业涂料(上海)有限公司 | A kind of high-gloss metal color coating, Preparation method and use for coil substrate |
| CN107245262A (en) * | 2017-05-26 | 2017-10-13 | 上海天地涂料有限公司 | A kind of minute surface silver coating and preparation method thereof |
| CN107603373B (en) * | 2017-09-29 | 2020-01-31 | 四川长虹电器股份有限公司 | electrosilvering paint and preparation method thereof |
| CN110232984B (en) * | 2018-03-05 | 2022-01-07 | 宁波柔印电子科技有限责任公司 | Printing conductive silver paste and preparation method thereof |
| CN112143349A (en) * | 2020-09-23 | 2020-12-29 | 深圳Tcl数字技术有限公司 | Anodic oxidation-like coating and application thereof |
| CN112226131A (en) * | 2020-11-02 | 2021-01-15 | 雅图高新材料股份有限公司 | Electrosilvering paint |
| CN112694805A (en) * | 2020-12-24 | 2021-04-23 | 浩力森涂料（上海）有限公司 | Low-temperature baking water-based electrosilvering coating and preparation method thereof |
| CN113150620B (en) * | 2021-04-29 | 2022-09-20 | 湖南松井新材料股份有限公司 | Imitation electroplating coating, preparation method and application |
| CN114656880B (en) * | 2022-01-24 | 2023-09-08 | 惠州市百时达化工有限公司 | Mirror surface electro-silvering coating applied to automotive interior parts and preparation method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20090000295A (en) * | 2007-06-28 | 2009-01-07 | 주식회사 포스코 | Organic/inorgarnic coating material, coated steel for hot press forming, hot press parts made of it and manufacturing method thereof |
| CN101654581A (en) * | 2009-09-21 | 2010-02-24 | 东莞市惠德丽实业有限公司 | Method for preparing conducting paint from waste glass in silver plating industry |
| CN103131224A (en) * | 2011-11-22 | 2013-06-05 | 珠海东诚光固化材料有限公司 | Ultraviolet curable electrosilvering coating substituting for electroplating or vacuum plating and application thereof |
| CN103319966A (en) * | 2013-07-08 | 2013-09-25 | 常州华狮化工有限公司 | Environment-friendly electro-plated silver paint and preparation method thereof |
| CN104403517A (en) * | 2014-11-12 | 2015-03-11 | 广州擎天材料科技有限公司 | High imitation electroplating silver powder paint and preparation method thereof |
| CN104817682A (en) * | 2014-08-29 | 2015-08-05 | 立邦涂料（中国）有限公司 | Modified grafted and hyperbranched hydroxyl resin and preparation method therefor and application thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101157813B (en) * | 2007-09-12 | 2010-11-10 | 深圳市广田环保涂料有限公司 | Electroplating effect imitated plastic paint and preparation method, diluent and process of using same |
-
2015
- 2015-09-18 CN CN201510598253.8A patent/CN106243838B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20090000295A (en) * | 2007-06-28 | 2009-01-07 | 주식회사 포스코 | Organic/inorgarnic coating material, coated steel for hot press forming, hot press parts made of it and manufacturing method thereof |
| CN101654581A (en) * | 2009-09-21 | 2010-02-24 | 东莞市惠德丽实业有限公司 | Method for preparing conducting paint from waste glass in silver plating industry |
| CN103131224A (en) * | 2011-11-22 | 2013-06-05 | 珠海东诚光固化材料有限公司 | Ultraviolet curable electrosilvering coating substituting for electroplating or vacuum plating and application thereof |
| CN103319966A (en) * | 2013-07-08 | 2013-09-25 | 常州华狮化工有限公司 | Environment-friendly electro-plated silver paint and preparation method thereof |
| CN104817682A (en) * | 2014-08-29 | 2015-08-05 | 立邦涂料（中国）有限公司 | Modified grafted and hyperbranched hydroxyl resin and preparation method therefor and application thereof |
| CN104403517A (en) * | 2014-11-12 | 2015-03-11 | 广州擎天材料科技有限公司 | High imitation electroplating silver powder paint and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106243838A (en) | 2016-12-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106243838B (en) | A kind of electrosilvering coating composition, preparation method and applications | |
| CN104072742B (en) | A kind of epoxide modified aqueous alkide resin and water alcohol acid amino-stoving varnish and preparation method | |
| CN101157813B (en) | Electroplating effect imitated plastic paint and preparation method, diluent and process of using same | |
| JP5177377B2 (en) | Water-based base coating composition, metal-type laminated coating film and method for forming the same | |
| CN103937360A (en) | Preparation method of low-temperature curing water-based glass baking paint | |
| CN102399350B (en) | Aqueous epoxy acrylate resin and preparation method thereof | |
| CN102492102B (en) | Silicon-containing acrylic-acid-modified epoxy ester resin and paint thereof | |
| CN102977750B (en) | Solvent type matte wood lacquer and preparation method of same | |
| CN109504244B (en) | Water-based coil steel coating and preparation method thereof | |
| CN103665271A (en) | Acrylic acid-epoxy ester hybrid resin and coatings thereof | |
| CN101161742B (en) | Bicomponent automobile cathode electrophoresis paint and preparation method thereof | |
| EP2886565A1 (en) | Aqueous bicomponent baking type automobile finishing varnish with improved acid etching resistance and preparation method thereof | |
| CN108300275A (en) | A kind of water-borne UV-curing vacuum plating priming paint, preparation method and its electric plating method | |
| CN108977043A (en) | Universal single-component water-based metal flash paint of one kind and preparation method thereof | |
| CN107936814A (en) | The net taste woodcare paint of high hardness polyurethane that a kind of POSS is modified | |
| CN101270254B (en) | Watersoluble modified acrylic acid bi-component plastic rubber paint and preparation method thereof | |
| CN105694014A (en) | Method for preparing hyperbranched waterborne polyester resin | |
| CN109206996A (en) | A kind of bloom one-component plain color finishing coat of aqueous solvent-free bottom surface unification and its preparation | |
| CN102206436A (en) | Vacuum-plating ultraviolet curing intermediate paint | |
| CN109486306B (en) | High-gloss automobile metal hub paint with film formed by one-time coating and preparation method thereof | |
| CN108102536A (en) | A kind of water-borne UV-curing vacuum electroplating surface paint, preparation method and its electric plating method | |
| CN113698830A (en) | Coating composition and application thereof | |
| CN109796834A (en) | A kind of preparation method of the aqueous amino acrylic baking white paint of coating stainless steel | |
| CN109456651A (en) | A kind of multifunctional aqueous enamel paint and preparation method thereof | |
| CN109796832A (en) | A kind of preparation method of the aqueous amino acrylic baking blue paint of coating stainless steel |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |