CN108084839A - A kind of low temperature curing type powdery paints and preparation method thereof - Google Patents
A kind of low temperature curing type powdery paints and preparation method thereof Download PDFInfo
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- CN108084839A CN108084839A CN201711250712.9A CN201711250712A CN108084839A CN 108084839 A CN108084839 A CN 108084839A CN 201711250712 A CN201711250712 A CN 201711250712A CN 108084839 A CN108084839 A CN 108084839A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
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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
- C09D167/00—Coating compositions based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Coating compositions based on derivatives of such polymers
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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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/03—Powdery paints
- C09D5/033—Powdery paints characterised by the additives
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- 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
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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 present invention discloses a kind of low temperature curing type powdery paints, and in parts by weight, the low temperature curing type powder coating component includes：20~35 parts of epoxy resin, 20~35 parts of low temperature curing polyester resin, 0~35 part of titanium dioxide, 0~40 part of barium sulfate, 0.8~1.5 part of acrylic acid levelling agent, 0.4~2.5 part of acrylic acid wetting agent, 0~1.8 part of benzoin, 0~1.2 part of stearic acid, 0~1 part of polyethylene wax, 0~2 part of antifoaming agent, 0~1 part of polytetrafluoroethylwax wax, 0~1 part of charge adjusting agent, 0~1 part of organobentonite, 0~2 part of catalyst；The low temperature curing type powder coating solidification temperature range is low, and contracting hardening time is short, so as to shorten the production cycle, improves production efficiency, expanded application scope；The low temperature curing type powdery paints levelability is good, and good decorative property, storage stability performance is good, and chemical-resistant is good, and mechanical performance is good；Unglazed, semi-gloss and bloom effect can be realized by changing delustering agent dosage；It is decorative to further improve it.
Description
Technical field
The present invention relates to technical field of coatings, and in particular to a kind of low temperature curing type powdery paints and preparation method thereof.
Background technology
Powdery paints by polymer, pigment and additive form it is a kind of it is new, without solvent, pure solid powdery
Coating；Have the characteristics that without solvent, it is pollution-free, save the energy and resource, reduce labor intensity it is high with coating machinery intensity.Powder
Thus utilization rate is higher due to not discharging volatile organic compounds for last coating, in past 10 years, powdery paints in the world
Development speed quickly, annual average rate of increase 8%-15%.And it is current, powdery paints on the market is standard cure type mostly
Powdery paints, 180-200 DEG C of condition of cure temperature, 20~30min of hardening time, baking temperature is high, and baking time is long, restricts
The extension of the application range of powdery paints；Meanwhile baking time is longer, the production cycle for causing product is long, low production efficiency.
The content of the invention
In view of this, this application provides a kind of low temperature curing type powdery paints and its preparation process, the low-temperature settings
Type powder coating solidification temperature range is low, and contracting hardening time is short, so as to shorten the production cycle, improves production efficiency, expanded application
Scope；The low temperature curing type powdery paints levelability is good, and good decorative property, storage stability performance is good, and chemical-resistant is good, machinery
Excellent performance；Unglazed, semi-gloss and bloom effect can be realized by changing delustering agent dosage；It is decorative to further improve it.
For solution more than technical problem, technical solution provided by the invention is a kind of low temperature curing type powdery paints, with weight
Part meter is measured, the low temperature curing type powder coating component includes：20~35 parts of epoxy resin, low temperature curing polyester resin 20~35
Part, 0~35 part of titanium dioxide, 0~40 part of barium sulfate, 0.8~1.5 part of acrylic acid levelling agent, 0.4~2.5 part of acrylic acid wetting agent,
0~1.8 part of benzoin, 0~1.2 part of stearic acid, 0~1 part of polyethylene wax, 0~2 part of antifoaming agent, 0~1 part of polytetrafluoroethylwax wax,
0~1 part of charge adjusting agent, 0~1 part of organobentonite, 0~2 part of catalyst；The titanium dioxide, the barium sulfate, the benzene are even
Relation by marriage, the stearic acid, the amide waxe, the polytetrafluoroethylwax wax, the charge adjusting agent, described have the polyethylene wax
It is 0 when machine bentonite, catalyst weight part difference.
Preferably, the antifoaming agent includes：Amide waxe, stearic acid, benzoin and PE waxes.
Preferably, in the antifoaming agent, the amide waxe, the stearic acid, the benzoin and the PE waxes weight ratio
For (50~70)：(5~10)：(10~20)：(10~20).
Preferably, 10~35 parts of the titanium dioxide.
Preferably, 10~40 parts of the barium sulfate.
Preferably, 0.5~1.8 part of the benzoin, 0.4~1.2 part of the stearic acid, the polyethylene wax 0.2~1
Part, 0.2~2 part of the antifoaming agent, 0.2~1 part of the polytetrafluoroethylwax wax, 0.2~1 part of the charge adjusting agent described have
0.2~1 part of machine bentonite, 0.2~2 part of the catalyst.
Preferably, the low temperature curing type powder coating component further includes：0~5 part of delustering agent.
Preferably, the low temperature curing type powder coating component further includes：3~5 parts of delustering agent.
Preferably, the catalyst is imidazole and its derivants.
Preferably, the low temperature curing type powder coating component further includes：Pigment.
Preferably, 0~20 part of the pigment.
The present invention also provides a kind of preparation method of above-mentioned low temperature curing type powdery paints, including：By the low temperature
Curing type powder coating component is pre-mixed, and cleaning squeezes out, and crushes, and mixing obtains the low temperature curing type powdery paints.
Preferably, the crushing process specifically includes：It is continuous to squeeze out coarse crushing, continuous crushing.
Compared with prior art, detailed description are as follows by the application：
The present invention provides a kind of low temperature curing type powdery paints, the low temperature curing type powdery paints with epoxy resin and
Low temperature curing polyester resin is raw material, and the low temperature curing type powder coating solidification temperature range is low, and contracting hardening time is short, so as to
Shorten the production cycle, improve production efficiency, expanded application scope.
Low temperature curing type powdery paints provided by the invention is on the basis of component epoxy, low temperature curing polyester resin
Auxiliary agent is screened and is matched, is used cooperatively auxiliary agent, influences each other and plays synergistic effect so that low temperature provided by the invention
Curing type powdery paints levelability is good, and good decorative property, storage stability performance is good, and chemical-resistant is good, and mechanical performance is good.And in stream
Between levelling, dicoration, storage stability, chemical-resistant and curability there is well balanced system, effectively prevent this
The curing system of the low temperature latency of invention low temperature curing type powdery paints, to storage stability, levelability, decorative shadow
It rings.It adds in titanium dioxide, barium sulfate and organobentonite collective effect and plays the role of skeletal support；Barium sulfate is as filler and colorant
Good compatibility, makes low temperature curing type powdery paints reach preferable coating thickness in spraying process, and powder utilization is high；The present invention is low
With polyethylene wax collective effect, it is hard also to play increase low temperature curing type powdery paints for warm curing type powder coating component barium sulfate
The effect of degree；Low temperature curing type powder coating component organobentonite of the present invention and polytetrafluoroethylwax wax collective effect, using having
Machine bentonite and fused coating, the surface tension of polytetrafluoroethylwax wax and fused coating, compatibility difference, influence the melting of coating
Viscosity and curing rate provide texture for low temperature curing type powdery paints coating provided by the invention；Organobentonite also carries
High corner coverage, plays an important role of reduction low temperature curing type powdery paints cost provided by the invention.Antifoaming agent is added in, is disappeared
Infusion includes：Amide waxe, stearic acid, benzoin and PE waxes；The two collective effect, the melting viscosity or utilization for reducing coating disappear
The limited compatibility difference of infusion and coating makes small-molecule substance accelerate effusion, so as to avoid the generation of needle pore defect and tristearin
Acid, acrylic acid levelling agent collective effect, which are improved in low temperature curing type powdery paints film forming procedure of the present invention, forms levelability, uniformly
Property, surface tension is reduced, reduces viscosity；Meanwhile it adds in acrylic acid wetting agent and strengthens wettability effect.In addition, because of low temperature curing type
When powdery paints melts levelling, the moisture, gas, the micromolecular compound of powder coating solidification reaction generation that contain easily are escaped
Out, low temperature curing type powder coating component of the present invention adds in benzoin as degasser, melts low temperature curing type powdery paints
When melting levelling, film is avoided to generate small pin hole or pig pore.The charging efficiency of powder particle about 0.5%, other major parts are
Free ion, they can be adsorbed with spraying process is being applied surface and is generating accumulation until repelling or discharging, seriously
Affect the further deposition of powder and groove surface powder utilization.Low temperature curing type powder coating component provided by the invention adds
Charge adjusting agent can be balanced or improved by the accumulation of the free ion of painting workpiece surface, so as to improve spraying effect and sulfuric acid
Barium collective effect powder utilization ensures that low temperature curing type powdery paints provided by the invention can carry out thick film application.
Delustering agent is further included in low temperature curing type powder coating component provided by the invention, screens delustering agent consumption proportion,
Ensure that changing delustering agent dosage realizes unglazed, semi-gloss and bloom effect.
Specific embodiment
In order to which those skilled in the art is made to more fully understand technical scheme, with reference to specific embodiment pair
The present invention is described in further detail.
Embodiment 1
A kind of low temperature curing type powdery paints：In parts by weight, the low temperature curing type powder coating component includes：Epoxy
35 parts of resin, 35 parts of low temperature curing polyester resin, 35 parts of titanium dioxide, 40 parts of barium sulfate, 1.5 parts of acrylic acid levelling agent, acrylic acid
2.5 parts of wetting agent, 1.8 parts of benzoin, 1.2 parts of stearic acid, 1 part of polyethylene wax, 2 parts of antifoaming agent, 1 part of polytetrafluoroethylwax wax, electricity
1 part of lotus conditioning agent, 1 part of organobentonite, 2 parts of catalyst.
Wherein, the catalyst is imidazole and its derivants；The antifoaming agent includes：Amide waxe, stearic acid, benzoin and
PE waxes；In the antifoaming agent, the amide waxe, the stearic acid, the benzoin and the PE waxes weight ratio are (50~70)：
(5~10)：(10~20)：(10~20)；The low temperature curing type powder coating component further includes：Pigment.The pigment 0~20
Part.
The preparation method of above-mentioned low temperature curing type powdery paints, including：By the low temperature curing type powder coating component
Premixing, cleaning squeeze out, and crush, and mixing obtains the low temperature curing type powdery paints.
Wherein, the crushing process specifically includes：It is continuous to squeeze out coarse crushing, continuous crushing.
Embodiment 2
The present embodiment is differed only in embodiment 1：In parts by weight, the low temperature curing type powder coating component bag
It includes：23 parts of epoxy resin, 23 parts of low temperature curing polyester resin, 10 parts of titanium dioxide, 10 parts of barium sulfate, 1 part of acrylic acid levelling agent, third
1 part of olefin(e) acid wetting agent, 1 part of benzoin, 1 part of stearic acid, 0.5 part of polyethylene wax, 0.5 part of antifoaming agent, polytetrafluoroethylwax wax
0.20.5 part, 0.5 part of charge adjusting agent, 0.5 part of organobentonite, 0.5 part of catalyst.
Embodiment 3
The present embodiment is differed only in embodiment 1：In parts by weight, the low temperature curing type powder coating component bag
It includes：20 parts of epoxy resin, 20 parts of low temperature curing polyester resin, 10 parts of titanium dioxide, 10 parts of barium sulfate, 0.8 part of acrylic acid levelling agent,
0.4 part of acrylic acid wetting agent, 0.5 part of benzoin, 0.4 part of stearic acid, 0.2 part of polyethylene wax, 0.2 part of antifoaming agent, polytetrafluoroethyl-ne
0.2 part of alkene wax, 0.2 part of charge adjusting agent, 0.2 part of organobentonite, 0.2 part of catalyst.
Embodiment 4
The present embodiment is differed only in embodiment 1：In parts by weight, the low temperature curing type powder coating component bag
It includes：35 parts of epoxy resin, 35 parts of low temperature curing polyester resin, 40 parts of barium sulfate, 1.5 parts of acrylic acid levelling agent, acrylic acid wetting
2.5 parts of agent, 1.8 parts of benzoin, 1.2 parts of stearic acid, 1 part of polyethylene wax, 2 parts of antifoaming agent, 1 part of polytetrafluoroethylwax wax, charge tune
Save 1 part of agent, 1 part of organobentonite, 2 parts of catalyst.
Embodiment 5
The present embodiment is differed only in embodiment 1：In parts by weight, the low temperature curing type powder coating component bag
It includes：35 parts of epoxy resin, 35 parts of low temperature curing polyester resin, 35 parts of titanium dioxide, 1.5 parts of acrylic acid levelling agent, acrylic acid wetting
2.5 parts of agent, 1.8 parts of benzoin, 1.2 parts of stearic acid, 1 part of polyethylene wax, 2 parts of antifoaming agent, 1 part of polytetrafluoroethylwax wax, charge tune
Save 1 part of agent, 1 part of organobentonite, 2 parts of catalyst.
Embodiment 6
The present embodiment is differed only in embodiment 1：In parts by weight, the low temperature curing type powder coating component bag
It includes：35 parts of epoxy resin, 35 parts of low temperature curing polyester resin, 35 parts of titanium dioxide, 40 parts of barium sulfate, 1.5 parts of acrylic acid levelling agent,
2.5 parts of acrylic acid wetting agent, 1.2 parts of stearic acid, 1 part of polyethylene wax, 2 parts of antifoaming agent, 1 part of polytetrafluoroethylwax wax, charge are adjusted
1 part of agent, 1 part of organobentonite, 2 parts of catalyst.
Embodiment 7
The present embodiment is differed only in embodiment 1：In parts by weight, the low temperature curing type powder coating component bag
It includes：35 parts of epoxy resin, 35 parts of low temperature curing polyester resin, 35 parts of titanium dioxide, 40 parts of barium sulfate, 1.5 parts of acrylic acid levelling agent,
2.5 parts of acrylic acid wetting agent, 1.8 parts of benzoin, 1 part of polyethylene wax, 2 parts of antifoaming agent, 1 part of polytetrafluoroethylwax wax, charge are adjusted
1 part of agent, 1 part of organobentonite, 2 parts of catalyst.
Embodiment 8
The present embodiment is differed only in embodiment 1：In parts by weight, the low temperature curing type powder coating component bag
It includes：35 parts of epoxy resin, 35 parts of low temperature curing polyester resin, 35 parts of titanium dioxide, 40 parts of barium sulfate, 1.5 parts of acrylic acid levelling agent,
2.5 parts of acrylic acid wetting agent, 1.8 parts of benzoin, 1.2 parts of stearic acid, 2 parts of antifoaming agent, 1 part of polytetrafluoroethylwax wax, charge are adjusted
1 part of agent, 1 part of organobentonite, 2 parts of catalyst.
Embodiment 9
The present embodiment is differed only in embodiment 1：In parts by weight, the low temperature curing type powder coating component bag
It includes：35 parts of epoxy resin, 35 parts of low temperature curing polyester resin, 35 parts of titanium dioxide, 40 parts of barium sulfate, 1.5 parts of acrylic acid levelling agent,
2.5 parts of acrylic acid wetting agent, 1.8 parts of benzoin, 1.2 parts of stearic acid, 1 part of polyethylene wax, 1 part of polytetrafluoroethylwax wax, charge tune
Save 1 part of agent, 1 part of organobentonite, 2 parts of catalyst.
Embodiment 10
The present embodiment is differed only in embodiment 1：In parts by weight, the low temperature curing type powder coating component bag
It includes：35 parts of epoxy resin, 35 parts of low temperature curing polyester resin, 35 parts of titanium dioxide, 40 parts of barium sulfate, 1.5 parts of acrylic acid levelling agent,
2.5 parts of acrylic acid wetting agent, 1.8 parts of benzoin, 1.2 parts of stearic acid, 1 part of polyethylene wax, 2 parts of antifoaming agent, charge adjusting agent 1
Part, 1 part of organobentonite, 2 parts of catalyst.
Embodiment 11
The present embodiment is differed only in embodiment 1：In parts by weight, the low temperature curing type powder coating component bag
It includes：35 parts of epoxy resin, 35 parts of low temperature curing polyester resin, 35 parts of titanium dioxide, 40 parts of barium sulfate, 1.5 parts of acrylic acid levelling agent,
2.5 parts of acrylic acid wetting agent, 1.8 parts of benzoin, 1.2 parts of stearic acid, 1 part of polyethylene wax, 2 parts of antifoaming agent, polytetrafluoroethylwax wax 1
Part, 1 part of organobentonite, 2 parts of catalyst.
Embodiment 12
The present embodiment is differed only in embodiment 1：In parts by weight, the low temperature curing type powder coating component bag
It includes：35 parts of epoxy resin, 35 parts of low temperature curing polyester resin, 35 parts of titanium dioxide, 40 parts of barium sulfate, 1.5 parts of acrylic acid levelling agent,
2.5 parts of acrylic acid wetting agent, 1.8 parts of benzoin, 1.2 parts of stearic acid, 1 part of polyethylene wax, 2 parts of antifoaming agent, polytetrafluoroethylwax wax 1
Part, 1 part of charge adjusting agent, 2 parts of catalyst.
Embodiment 13
The present embodiment is differed only in embodiment 1：In parts by weight, the low temperature curing type powder coating component bag
It includes：35 parts of epoxy resin, 35 parts of low temperature curing polyester resin, 35 parts of titanium dioxide, 40 parts of barium sulfate, 1.5 parts of acrylic acid levelling agent,
2.5 parts of acrylic acid wetting agent, 1.8 parts of benzoin, 1.2 parts of stearic acid, 1 part of polyethylene wax, 2 parts of antifoaming agent, polytetrafluoroethylwax wax 1
Part, 1 part of charge adjusting agent, 1 part of organobentonite.
Embodiment 14
The present embodiment is differed only in embodiment 1：The low temperature curing type powder coating component further includes：Delustering agent
2 parts.
Embodiment 15
The present embodiment is differed only in embodiment 1：The low temperature curing type powder coating component further includes：Delustering agent
3 parts.
Embodiment 16
The present embodiment is differed only in embodiment 1：The low temperature curing type powder coating component further includes：Delustering agent
5 parts.
Embodiment 17
Low temperature curing type powdery paints described in Example 1~16 is tested, the low-temperature solid described in embodiment 1~16
Change type powdery paints stores 6 months under less than 25 DEG C environment of temperature, has storage stability.
Above-mentioned low temperature curing type powdery paints is sprayed using corona electrostatic spraying process or friction electrostatic painting technique,
It is calculated with film thickness 60um, theoretical spray area is 10.4~13.8m2Yellow chromaking aluminium sheet based on 0.7mm thickness carries out laboratory
Test, test method are shown in Table 1, and performance parameter is shown in Table 1.
Table 1
As shown in Table 1, the splendid weather resistance of low temperature curing type powdery paints provided by the invention has excellent storage
Stability, good chemical resistance, mechanical performance are good；The low temperature curing type powder coating component includes：Delustring
0~5 part of agent, when not adding delustering agent, the low temperature curing type powdery paints is bloom, described low when the delustering agent is 2 parts
Warm curing type powdery paints is semi-gloss：When the delustering agent is 3~5 parts, the low temperature curing type powdery paints is unglazed.
Embodiment 18
According to ISO8130-5：(component includes the low temperature curing type powdery paints of 1992 detection embodiments 1：Acrylic acid levelling
1.5 parts of agent, 1.2 parts of stearic acid, 2 parts of antifoaming agent, antifoaming agent includes：Amide waxe, stearic acid, benzoin and PE waxes.The defoaming
In agent, the amide waxe, the stearic acid, the benzoin and the PE waxes weight ratio are (50~70)：(5~10)：(10~
20)：(10~20)), (component includes the low temperature curing type powdery paints of embodiment 7：1.5 parts of acrylic acid levelling agent, antifoaming agent 2
Part, antifoaming agent includes：Amide waxe, stearic acid, benzoin and PE waxes.In the antifoaming agent, the amide waxe, the stearic acid,
The benzoin and the PE waxes weight ratio are (50~70)：(5~10)：(10~20)：(10~20)), the low temperature of embodiment 9
(component includes curing type powdery paints：1.5 parts of acrylic acid levelling agent, 1.2 parts of stearic acid) spraying process coating fluidity.Stream
Dynamic property is qualified, wherein, the coating fluidity of the low temperature curing type powder paint technique of embodiment 1 is better than embodiment 7
The coating fluidity of low temperature curing type powder paint technique, the low temperature curing type powder paint technique of embodiment 1
Coating fluidity is better than the coating fluidity of the low temperature curing type powder paint technique of embodiment 9.
Embodiment 19
Low temperature curing type powdery paints described in embodiment 1~16 is sprayed using corona electrostatic spraying process or frictional static
It applies technique to be sprayed, be calculated with film thickness 60um, theoretical spray area is 10.4~13.8m2Yellow chromaking based on 0.7mm thickness
Aluminium sheet carries out laboratory test, measure obtain low temperature curing type powder coating solidification temperature described in embodiment 1~16 for 130~
170 DEG C, hardening time is 6~15min.
It the above is only the preferred embodiment of the present invention, it is noted that above-mentioned preferred embodiment is not construed as pair
The limitation of the present invention, protection scope of the present invention should be subject to claim limited range.For the art
For those of ordinary skill, without departing from the spirit and scope of the present invention, several improvements and modifications can also be made, these change
Protection scope of the present invention is also should be regarded as into retouching.
Claims (10)
1. a kind of low temperature curing type powdery paints, which is characterized in that in parts by weight, the low temperature curing type powder coating component
Including：20~35 parts of epoxy resin, 20~35 parts of low temperature curing polyester resin, 0~35 part of titanium dioxide, 0~40 part of barium sulfate, third
It is 0.8~1.5 part of olefin(e) acid levelling agent, 0.4~2.5 part of acrylic acid wetting agent, 0~1.8 part of benzoin, 0~1.2 part of stearic acid, poly-
0~1 part of ethylene waxes, 0~2 part of antifoaming agent, 0~1 part of polytetrafluoroethylwax wax, 0~1 part of charge adjusting agent, organobentonite 0~1
Part, 0~2 part of catalyst；It is the titanium dioxide, the barium sulfate, the benzoin, the stearic acid, the polyethylene wax, described
When amide waxe, the polytetrafluoroethylwax wax, the charge adjusting agent, the organobentonite, catalyst weight part difference
For 0.
2. low temperature curing type powdery paints according to claim 1, which is characterized in that the antifoaming agent includes：Amide waxe,
Stearic acid, benzoin and PE waxes.
3. low temperature curing type powdery paints according to claim 1, which is characterized in that 10~35 parts of the titanium dioxide.
4. low temperature curing type powdery paints according to claim 1, which is characterized in that 10~40 parts of the barium sulfate.
5. low temperature curing type powdery paints according to claim 1, which is characterized in that 0.5~1.8 part of the benzoin,
0.4~1.2 part of the stearic acid, 0.2~1 part of the polyethylene wax, 0.2~2 part of the antifoaming agent, the polytetrafluoroethylwax wax
0.2~1 part, 0.2~1 part of the charge adjusting agent, 0.2~1 part of the organobentonite, 0.2~2 part of the catalyst.
6. low temperature curing type powdery paints according to claim 1, which is characterized in that the low temperature curing type powdery paints
Component further includes：0~5 part of delustering agent.
7. low temperature curing type powdery paints according to claim 1, which is characterized in that the low temperature curing type powdery paints
Component further includes：3~5 parts of delustering agent.
8. low temperature curing type powdery paints according to claim 1, which is characterized in that the catalyst is imidazoles and its spreads out
Biology.
A kind of 9. preparation method of claim 1~8 any one of them low temperature curing type powdery paints, which is characterized in that bag
It includes：The low temperature curing type powder coating component is pre-mixed, cleaning squeezes out, and crushes, and mixing obtains the low temperature curing type
Powdery paints.
10. the preparation method of low temperature curing type powdery paints according to claim 9, which is characterized in that described to crushed
Journey specifically includes：It is continuous to squeeze out coarse crushing, continuous crushing.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111320914A (en) * | 2018-12-13 | 2020-06-23 | 安徽美佳新材料股份有限公司 | Low-temperature corrosion-resistant multicolor paint and preparation method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103333588A (en) * | 2013-06-18 | 2013-10-02 | 江苏华光粉末有限公司 | Low temperature curing powder coating and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103333588A (en) * | 2013-06-18 | 2013-10-02 | 江苏华光粉末有限公司 | Low temperature curing powder coating and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111320914A (en) * | 2018-12-13 | 2020-06-23 | 安徽美佳新材料股份有限公司 | Low-temperature corrosion-resistant multicolor paint and preparation method thereof |
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Application publication date: 20180529 |