CN109354948A - Automobile coating predispersion and preparation method thereof - Google Patents
Automobile coating predispersion and preparation method thereof Download PDFInfo
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- CN109354948A CN109354948A CN201811338743.4A CN201811338743A CN109354948A CN 109354948 A CN109354948 A CN 109354948A CN 201811338743 A CN201811338743 A CN 201811338743A CN 109354948 A CN109354948 A CN 109354948A
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- automobile coating
- titanium dioxide
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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
-
- 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
- C09D5/103—Anti-corrosive paints containing metal dust containing Al
-
- 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
- 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
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2244—Oxides; Hydroxides of metals of zirconium
-
- 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
Abstract
The invention belongs to chemical metallurgy technical fields, and in particular to a kind of automobile coating predispersion and preparation method thereof.Aiming at the problem that existing automobile coating weatherability and covering need to be improved, the present invention provides a kind of automobile coating predispersions, composition includes: resin 65~75%, solvent 15~20%, dispersing agent 1~5% by weight percentage, nano-titanium dioxide and superfine zirconia mixture 5~10%.The present invention also provides the preparation methods of above-mentioned automobile coating predispersion: weigh resin, solvent, dispersing agent, nano-titanium dioxide and superfine zirconia by formula ratio, after mixing in dispersing agent 0.5~1h of high speed dispersion；Be transferred in oscillator 3~5h of concussion, stand 15~30min to get.Automobile coating predispersion of the invention has been specifically added superfine zirconia, improves the weatherability and covering of Automotive Paint Film Properties；Preparation method is simple, and dispersion effect is good, moreover it is possible to extend the shelf life, be suitable for promoting the use of.
Description
Technical field
The invention belongs to chemical metallurgy technical fields, and in particular to a kind of automobile coating predispersion and preparation method thereof.
Background technique
Automobile coating is a kind of protective film being sprayed on automobile, belongs to one kind of coating.Automobile coating is broadly divided into following a few classes；
Common paint, main component are resin, pigment and additive；Metallic paint, more aluminium powders on the basis of common paint.Automobile coating has paint
Film richness is good, and gloss is high, and hardness is high, the good and excellent mechanical performance of adhesive force, there is fabulous polish retention, weather-proof
Property, wearability, there is good acidproof, alkaline-resisting, ethanol-tolerant, gasoline-resistant performance, thus obtained extensive utilization.
The existing raw material for preparing automobile coating mainly has titanium dioxide, in order to increase the weatherability and covering of automotive paint systems
Property, generally by the way of increasing amount of titanium, but addition titanium dioxide is excessive, it will affect the form and aspect of automotive paint systems,
And increase cost.Rutile type nano TiO2A kind of excellent inorganic UV screener, due to its is nontoxic and pollution-free coating,
Plastics, cosmetics, etc. be widely used in industries.Nano-TiO2There are one important performances, are its had changeable colors along with angle
Effect is formed by coating never Tongfang that is, when it and aluminium powder pigment or nacreous mica pigment split are used for automotive paint systems
To seeing, there is different sudden strain of a muscle colors.
Therefore, if can be by nano-TiO2Effect apply to automobile coating field, and then improve automobile coating
Weatherability and covering are very industry urgent problems to be solved.
Summary of the invention
The technical problem to be solved in the present invention are as follows: existing automobile coating weatherability and covering need the problem of being improved.
The technical solution of present invention solution above-mentioned technical problem are as follows: a kind of automobile coating predispersion is provided.
Automobile coating predispersion of the invention, composition include: by weight percentage, resin 65~75%, solvent 15~
20%, dispersing agent 1~5%, nano-titanium dioxide and superfine zirconia mixture 5~10%.
Wherein, in above-mentioned automobile coating predispersion, the nano-titanium dioxide and superfine zirconia mixture are nanometer
Titanium dioxide is mixed with superfine zirconia by weight 7~8:2~3.
Further, in above-mentioned automobile coating predispersion, the nano-titanium dioxide are as follows: 105 DEG C of volatile matter≤3%,
Water slurry pH value is 6.5~8.5, XRD≤30nm nano-titanium dioxide.
Further, in above-mentioned automobile coating predispersion, the superfine zirconia are as follows: 105 DEG C of volatile matter≤0.5%,
Water slurry pH value is 6.5~8.5, XRD≤200nm superfine zirconia.
Wherein, in above-mentioned automobile coating predispersion, the resin is thermoplastic acrylic resin, alkyd resin or poly- ammonia
At least one of ester resin.
Wherein, in above-mentioned automobile coating predispersion, the solvent is at least one in butyl acetate, dimethylbenzene or ether
Kind.
Wherein, in above-mentioned automobile coating predispersion, the dispersing agent is polycarboxylic acids esters macromolecule.
The present invention also provides a kind of preparation methods of above-mentioned automobile coating predispersion, comprising the following steps:
A, resin, solvent, dispersing agent, nano-titanium dioxide and superfine zirconia are weighed by formula ratio, dispersed after mixing
0.5~1h of high speed dispersion in agent；
B, it is transferred to 3~5h of concussion in oscillator, stands 15~30min to get automobile coating predispersion.
Wherein, in the preparation method of above-mentioned automobile coating predispersion, high speed dispersion speed described in step a be 2000~
3000 turns/min.
The invention has the benefit that
The present invention provides a kind of automobile coating predispersions, by the way that nano-titanium dioxide and superfine zirconia is added by certain
Mixed mixture is matched, so that the predispersion has excellent dispersibility, high glaze, excellent mechanical performance, that is, anti-scratch
Property, super-weathering resistance and corrosion resistance outstanding.Weatherability enhances 50%, corrosion resistance enhancing, in 25% oxalic acid and 30%
The automobile coating of existing addition titanium dioxide is substantially better than in hydrogen peroxide；And automobile coating predispersion long shelf-life of the invention
It is (shelf-life most short can be by 18 months, when longest can achieve 36 months), longer than existing predispersion by 20% or so.This hair
Bright to additionally provide the preparation method of above-mentioned automobile coating predispersion, preparation method dispersion effect is more preferable, further increases automobile
Paint the weather resistance of predispersion.
Specific embodiment
The present invention provides a kind of automobile coating predispersion, composition include: by weight percentage, resin 65~
75%, solvent 15~20%, dispersing agent 1~5%, nano-titanium dioxide and superfine zirconia mixture 5~10%.
Automobile coating predispersion of the present invention is a kind of precursor substance for preparing automobile coating, prepares automobile coating
Intermediary, it is suitable for automobile coating or car refinishing paint manufacturers to use, and is added after various pigment at the beginning of can forming automobile coating
Product.
Wherein, in above-mentioned automobile coating predispersion, the nano-titanium dioxide and superfine zirconia mixture are nanometer
Titanium dioxide is mixed with superfine zirconia by weight 7~8:2~3.If nano-titanium dioxide is excessive, dispersion will lead to
Body mechanical performance, that is, erasibility, super-weathering resistance and corrosion resistance reduce；If zirconium oxide is excessive, reduces dispersion and ultimately form paint
The blue phase of film.
The present invention selects nano-titanium dioxide to prepare automobile coating predispersion, nano-TiO2With an important performance ---
Effect is formed by coating that is, when it and aluminium powder pigment or nacreous mica pigment, split are used for automotive paint systems
See that there is different sudden strain of a muscle colors, improve the blue phase of the final paint film of automobile coating from different directions.
In addition, the present invention also added a certain amount of superfine zirconia, ultra-fine oxygen in the formula of automobile coating predispersion
Changing zirconium can be absorbed ultraviolet light, so that the organic substance in pre-dispersed slurry be effectively protected.Therefore, increase superfine zirconia energy
The weatherability, covering and mechanical performance of automotive paint systems are enough further increased, and does not influence its effect, is improved
The performance of automobile coating predispersion of the present invention.
Further, in above-mentioned automobile coating predispersion, in order to meet the requirement of application system, and Automotive Paint Film Properties are improved
Lan Xiang, the nano-titanium dioxide are as follows: 105 DEG C of volatile matter≤3%, water slurry pH value are 6.5~8.5, XRD≤30nm
Nano-titanium dioxide.
Further, in above-mentioned automobile coating predispersion, in order to meet the requirement of application system, and Automotive Paint Film Properties are improved
Lan Xiang, the superfine zirconia are as follows: 105 DEG C of volatile matter≤0.5%, water slurry pH value are 6.5~8.5, XRD≤200nm
Superfine zirconia.
Wherein, in above-mentioned automobile coating predispersion, the resin is thermoplastic acrylic resin, alkyd resin or poly- ammonia
At least one of ester resin.
Wherein, in above-mentioned automobile coating predispersion, the solvent is at least one in butyl acetate, dimethylbenzene or ether
Kind.
Wherein, in above-mentioned automobile coating predispersion, in order to improve dispersion effect, the dispersing agent is that polycarboxylic acids esters are high
Molecule.
The present invention also provides a kind of preparation methods of above-mentioned automobile coating predispersion, comprising the following steps:
A, resin, solvent, dispersing agent, nano-titanium dioxide and superfine zirconia are weighed by formula ratio, dispersed after mixing
0.5~1h of high speed dispersion in agent；
B, it is transferred to 3~5h of concussion in oscillator, stands 15~30min to get automobile coating predispersion.
Wherein, in the preparation method of above-mentioned automobile coating predispersion, in order to improve dispersion effect, high speed described in step a
Rate of dispersion is 2000~3000 turns/min.System is very steady under this revolving speed, and dispersion effect is best, and too low is dispersion
Ineffective, jitter time is too long；It is too high and generates heat influence final mass in dispersion process.
It is existing to be only stirred when preparing paint film, it is special to use high speed when the present invention prepares automobile coating predispersion
The measures such as dispersion, concussion improve the weatherability and covering of automobile coating predispersion convenient for being uniformly dispersed；Also, by above-mentioned
Step, the predispersion holding time of the invention is longer, and longest can achieve 36 months, extends 20% than existing automobile coating
, more there is practicability in left and right.
Explanation is further explained to a specific embodiment of the invention below in conjunction with embodiment, but is not indicated this
The protection scope of invention is limited in range described in embodiment.
Dispersing agent as described in the examples is point for the S501 model that Dongguan Si Nuobao new material Science and Technology Ltd. provides
Powder, remaining raw materials and reagents are ordinary commercial products.
Embodiment 1 prepares automobile coating predispersion with the method for the present invention
Raw material nano titanium dioxide, superfine zirconia, resin, dispersing agent and solvent needed for getting out pre-dispersed slurry,
With prepare pre-dispersed slurry needed for equipment high speed disperser and oscillator；Claim 73% thermoplastic acrylic tree according to formula
Rouge, 18% butyl acetate, 3% dispersing agent and 6% nano-titanium dioxide and superfine zirconia mixture (both wherein
Ratio is 8:2)；Mixing carries out 0.5~1h of high speed dispersion in high speed disperser；Then concussion 3 is carried out in mixing earthquake machine
~5h；Then mixing is stood into 15~30min, is finally poured into sealing container preservation；Obtain nano-titanium dioxide and ultra-fine
The pre-dispersed slurry products of zirconium oxide.
The pre-dispersed slurry and aluminium powder pigment obtained prepares automobile coating first product by a certain percentage, on coating test paper jam is
On-gauge plate is scraped using silk stick.
(changeable colors along with angle refers to that predispersion is mixed with aluminium powder pigment to the down flop property of measurement automobile coating, and front is in gold
Huang Xiang, side is blue-phase, and with the difference at visual angle, the transformation of this two-phase is presented in color), method particularly includes:
1, predispersion is prepared according to this patent；2 predispersions are mixed in a certain proportion uniformly with aluminium powder pigment；3, it uses
OSP sticks test paper jam scraped finish simultaneously in black and white coating.4, its form and aspect is observed in different angle.
Resistance to first and second solvents experiment detection is carried out using the method for national standard GB/T 23989-2009, as a result as follows:
Wherein, its down flop property is good after paint film is made.In the experiment of resistance to first and second solvent, back and forth by more than 120 times
Friction, paint film do not occur scratch.
Embodiment 2 prepares automobile coating predispersion with the method for the present invention
Raw material nano titanium dioxide, superfine zirconia, resin, dispersing agent and solvent needed for getting out pre-dispersed slurry,
With prepare pre-dispersed slurry needed for equipment high speed disperser and oscillator；Claim 65% thermoplastic acrylic tree according to formula
Rouge, 20% butyl acetate, 5% dispersing agent and 10% nano-titanium dioxide and superfine zirconia mixture (wherein two
Person's ratio is 8:2)；Mixing carries out 0.5~1h of high speed dispersion in high speed disperser；Then it is shaken in mixing earthquake machine
3~5h；Then mixing is stood into 15~30min, is finally poured into sealing container preservation；Obtain nano-titanium dioxide and ultra-fine
The pre-dispersed slurry products of zirconium oxide.
The pre-dispersed slurry and aluminium powder pigment obtained prepares automobile coating first product by a certain percentage, on coating test paper jam is
On-gauge plate is scraped using silk stick.
Down flop property measuring method carries out resistance to first and second with embodiment 1, using the method for national standard GB/T 23989-2009
Solvent experiment detection, as a result as follows:
Wherein, its down flop property is good after paint film is made.In the experiment of resistance to first and second solvent, back and forth by more than 120 times
Friction, paint film do not occur scratch.
Embodiment 3 prepares automobile coating predispersion with the method for the present invention
Raw material nano titanium dioxide, superfine zirconia, resin, dispersing agent and solvent needed for getting out pre-dispersed slurry,
With prepare pre-dispersed slurry needed for equipment high speed disperser and oscillator；Claim 75% thermoplastic acrylic tree according to formula
Rouge, 18% butyl acetate, 2% dispersing agent and 5% nano-titanium dioxide and superfine zirconia mixture (both wherein
Ratio is 8:2)；Mixing carries out 0.5~1h of high speed dispersion in high speed disperser；Then concussion 3 is carried out in mixing earthquake machine
~5h；Then mixing is stood into 15~30min, is finally poured into sealing container preservation；Obtain nano-titanium dioxide and ultra-fine
The pre-dispersed slurry products of zirconium oxide.
The pre-dispersed slurry and aluminium powder pigment obtained prepares automobile coating first product by a certain percentage, on coating test paper jam is
On-gauge plate is scraped using silk stick.
Down flop property measuring method carries out resistance to first and second with embodiment 1, using the method for national standard GB/T 23989-2009
Solvent experiment detection, as a result as follows:
Wherein, its down flop property is good after paint film is made.In the experiment of resistance to first and second solvent, back and forth by more than 120 times
Friction, paint film do not occur scratch.
Comparative example 4 does not use the method for the present invention to prepare automobile coating predispersion
Raw material nano titanium dioxide, superfine zirconia, resin, dispersing agent and solvent needed for getting out pre-dispersed slurry,
With prepare pre-dispersed slurry needed for equipment high speed disperser and oscillator；Claim 73% thermoplastic acrylic tree according to formula
Rouge, 18% butyl acetate, 3% dispersing agent and 6% nano-titanium dioxide and superfine zirconia mixture (both wherein
Ratio is 1:1)；Mixing carries out 0.5~1h of high speed dispersion in high speed disperser；Then concussion 3 is carried out in mixing earthquake machine
~5h；Then mixing is stood into 15~30min, is finally poured into sealing container preservation；Obtain nano-titanium dioxide and ultra-fine
The pre-dispersed slurry products of zirconium oxide.
The pre-dispersed slurry and aluminium powder pigment obtained prepares automobile coating first product by a certain percentage, on coating test paper jam is
On-gauge plate is scraped using silk stick.
Down flop property measuring method carries out resistance to first and second with embodiment 1, using the method for national standard GB/T 23989-2009
Solvent experiment detection, as a result as follows:
Wherein, its down flop property is poor after paint film is made.In the experiment of resistance to first and second solvent, back and forth by more than 120 times
Friction, paint film do not occur scratch.
Comparative example 5 does not use the method for the present invention to prepare automobile coating predispersion
Raw material nano titanium dioxide, superfine zirconia, resin, dispersing agent and solvent needed for getting out pre-dispersed slurry,
With prepare pre-dispersed slurry needed for equipment high speed disperser and oscillator；According to formula claim 50% alkyd resin, 30%
Dimethylbenzene, 13% dispersing agent and 7% nano-titanium dioxide and superfine zirconia mixture (both wherein ratio is 8:
2)；Mixing carries out 0.5~1h of high speed dispersion in high speed disperser；Then 3~5h of concussion is carried out in mixing earthquake machine；Then
Mixing is stood into 15~30min, is finally poured into sealing container preservation；It obtains nano-titanium dioxide and superfine zirconia divides in advance
Dissipate slurry products.
The pre-dispersed slurry and aluminium powder pigment obtained prepares automobile coating first product by a certain percentage, on coating test paper jam is
On-gauge plate is scraped using silk stick.
Down flop property measuring method carries out resistance to first and second with embodiment 1, using the method for national standard GB/T 23989-2009
Solvent experiment detection, as a result as follows:
Wherein, its down flop property is very poor after paint film is made.In the experiment of resistance to first and second solvent, back and forth by more than 50 times
There is scratch in friction, paint film.
Comparative example 6 does not use the method for the present invention to prepare automobile coating predispersion
Raw material nano titanium dioxide, superfine zirconia, resin, dispersing agent and solvent needed for getting out pre-dispersed slurry,
With prepare pre-dispersed slurry needed for equipment high speed disperser and oscillator；Claim 70% thermoplastic acrylic tree according to formula
Rouge, 10% butyl acetate, 5% dispersing agent and 15% nano-titanium dioxide and superfine zirconia mixture (wherein two
Person's ratio is 8:2)；Mixing carries out 0.5~1h of high speed dispersion in high speed disperser；Then it is shaken in mixing earthquake machine
3~5h；Then mixing is stood into 15~30min, is finally poured into sealing container preservation；Obtain nano-titanium dioxide and ultra-fine
The pre-dispersed slurry products of zirconium oxide.
The pre-dispersed slurry and aluminium powder pigment obtained prepares automobile coating first product by a certain percentage, on coating test paper jam is
On-gauge plate is scraped using silk stick.
Down flop property measuring method carries out resistance to first and second with embodiment 1, using the method for national standard GB/T 23989-2009
Solvent experiment detection, as a result as follows:
Wherein, its down flop property is very poor after paint film is made.In the experiment of resistance to first and second solvent, come by more than 100 times
Friction is returned, scratch occurs in paint film.
Comparative example 7 does not use the method for the present invention to prepare automobile coating predispersion
Raw material nano titanium dioxide, resin, dispersing agent and solvent needed for getting out pre-dispersed slurry, and prepare pre-dispersed
Equipment high speed disperser and oscillator needed for slurry；Claim 73% thermoplastic acrylic resin, 18% second according to according to formula
Acid butyl ester, 3% dispersing agent and 6% nano-titanium dioxide；Mixing carries out 0.5~1h of high speed dispersion in high speed disperser；
Then 3~5h of concussion is carried out in mixing earthquake machine machine；Then mixing is stood into 15~30min, is finally poured into sealing and holds
Device saves；Obtain nano-titanium dioxide and the pre-dispersed slurry products of superfine zirconia.
Resistance to first and second solvents experiment detection is carried out using the method for national standard GB/T 23989-2009, as a result as follows:
Resistance to first and second solvent experiment in, rub back and forth by more than 100 times, paint film do not occur scratch, by more than 120 times back and forth
There is scratch in friction, paint film.
Claims (9)
1. automobile coating predispersion, which is characterized in that composition include: by weight percentage, resin 65~75%, solvent 15~
20%, dispersing agent 1~5%, nano-titanium dioxide and superfine zirconia mixture 5~10%.
2. automobile coating predispersion according to claim 1, it is characterised in that: the nano-titanium dioxide and ultra-fine oxygen
Changing zirconium mixture is that nano-titanium dioxide is mixed with superfine zirconia by weight 7~8:2~3.
3. automobile coating predispersion according to claim 1, it is characterised in that: the nano-titanium dioxide are as follows: 105 DEG C
Volatile matter≤3%, water slurry pH value are 6.5~8.5, XRD≤30nm nano-titanium dioxide.
4. automobile coating predispersion according to claim 1, it is characterised in that: the superfine zirconia are as follows: 105 DEG C are waved
Object≤0.5% is sent out, water slurry pH value is 6.5~8.5, XRD≤200nm superfine zirconia.
5. automobile coating predispersion according to claim 1, it is characterised in that: the resin is thermoplastic acrylic tree
At least one of rouge, alkyd resin or polyurethane resin.
6. automobile coating predispersion according to claim 1, it is characterised in that: the solvent is butyl acetate, diformazan
At least one of benzene or ether.
7. automobile coating predispersion according to claim 1, it is characterised in that: the dispersing agent is that polycarboxylic acids esters are high
Molecule.
8. the preparation method of the described in any item automobile coating predispersions of claim 1~7, which is characterized in that including following step
It is rapid:
A, resin, solvent, dispersing agent, nano-titanium dioxide and superfine zirconia are weighed by formula ratio, after mixing in dispersing agent
0.5~1h of high speed dispersion；
B, it is transferred to 3~5h of concussion in oscillator, stands 15~30min to get automobile coating predispersion.
9. the preparation method of automobile coating predispersion according to claim 1, it is characterised in that: high speed described in step a
Rate of dispersion is 2000~3000 turns/min.
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| CN201811338743.4A CN109354948A (en) | 2018-11-12 | 2018-11-12 | Automobile coating predispersion and preparation method thereof |
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| CN201811338743.4A CN109354948A (en) | 2018-11-12 | 2018-11-12 | Automobile coating predispersion and preparation method thereof |
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2018
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| CN1412258A (en) * | 2001-10-12 | 2003-04-23 | 中国科学院金属研究所 | Nano UV resistant acrylate paint |
| EP1475414A1 (en) * | 2003-05-05 | 2004-11-10 | Northrop Grumman Corporation | A self-decontaminating or self-cleaning coating for protection against hazardous bio-pathogens and toxic chemical agents |
| CN1587325A (en) * | 2004-08-05 | 2005-03-02 | 复旦大学 | High stability high transparency rutile type nano titanium dioxide slurry and its dispersively preparing method |
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Application publication date: 20190219 |