CN108129944A - 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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- CN108129944A CN108129944A CN201711250776.9A CN201711250776A CN108129944A CN 108129944 A CN108129944 A CN 108129944A CN 201711250776 A CN201711250776 A CN 201711250776A CN 108129944 A CN108129944 A CN 108129944A
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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
- 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
- C09D5/034—Charge control agents
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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
- C09D5/28—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes for wrinkle, crackle, orange-peel, or similar decorative effects
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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
- C09D5/36—Pearl essence, e.g. coatings containing platelet-like pigments for pearl lustre
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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
- C08K3/02—Elements
- C08K3/08—Metals
- C08K2003/0812—Aluminium
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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
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
- C08K2003/3045—Sulfates
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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, 0~1 part of acrylic acid levelling agent, 0~1 part of acrylic acid wetting agent, 0~1 part of benzoin, 0~1 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, 0~5 part of delustering agent, 551 0.2 0~4 parts of CAB, 0~4 part of sludge ice agent；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 range；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；The effect of sand streak, wrinkle can be realized by changing component CAB 551 0.2, sludge ice agent dosage；Meanwhile add in aluminium silver powder or pearlescent pigment realization hammer tone effect；Further improve its dicoration.
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 novel, 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 leading to product is long, low production efficiency.
Invention content
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
Range；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；It can be by changing part acrylic levelling agent, acrylic acid wetting agent part, benzoin, stearic acid, CAB-551-0.2, floating
Flower agent dosage realizes the effect of sand streak, wrinkle；Meanwhile aluminium silver powder or pearlescent pigment are added in, cooperation changes part acrylic levelling
Agent, acrylic acid wetting agent part, benzoin, stearic acid dosage realize hammer tone effect；Further improve its dicoration.
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, 0~0.1 part of acrylic acid levelling agent, 0~0.1 part of acrylic acid wetting agent, benzene are even
0~0.1 part of relation by marriage, 0~0.1 part of stearic acid, 0~1 part of polyethylene wax, 0~2 part of antifoaming agent, 0~1 part of polytetrafluoroethylwax wax, charge
0~1 part of conditioning agent, 0~2 part of catalyst, 0~5 part of delustering agent, 0~4 part of CAB-551-0.2, floats at 0~1 part of organobentonite
0~4 part of agent of flower；The titanium dioxide, the barium sulfate, the acrylic acid levelling agent, the acrylic acid wetting agent, the benzene are even
Relation by marriage, the polyethylene wax, the antifoaming agent, the polytetrafluoroethylwax wax, the charge adjusting agent, described has the stearic acid
It is 0 when machine bentonite, the catalyst, the delustering agent, the CAB-551-0.2, the sludge ice agent parts by weight 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, 0~0.8 part of the acrylic acid levelling agent, 0~0.8 part of the acrylic acid wetting agent, the benzoin 0
~0.8 part, 0~0.8 part of the stearic acid.
Preferably, 0~0.5 part of the acrylic acid levelling agent, 0~0.5 part of the acrylic acid wetting agent, the benzoin 0
~0.5 part, 0~0.5 part of the stearic acid.
Preferably, 0.1~1 part of the acrylic acid levelling agent, 0.1~1 part of acrylic acid wetting agent, 0.1~1 part of benzoin,
0.1~1 part of stearic acid, 0.1~1 part of polyethylene wax, 0.1~2 part of antifoaming agent, 0.1~1 part of polytetrafluoroethylwax wax, charge are adjusted
0.1~1 part of agent, 0.1~1 part of organobentonite, 0.1~2 part of catalyst, 0.1~5 part of delustering agent, CAB-551-0.2 0.1~
4 parts, 0.1~4 part of sludge ice agent.
Preferably, the low temperature curing type powder coating component further includes：0~5 part of aluminium silver powder.
Preferably, the catalyst is imidazole and its derivants.
Preferably, the low temperature curing type powder coating component further includes：Pigment；The pigment includes：Pearlescent pigment.
Preferably, 0~5 part of the pearlescent 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.
The above-mentioned CAB-551-0.2 of the present invention belongs to Yi Shiman cellulose acetates series, is the cellulose esters of high bytyry content.
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 range.
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 ideal 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, has the function 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 micromolecular compound that the moisture that contains, gas, powder coating solidification reaction generate easily is 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 be 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.
CAB-551-0.2, sludge ice agent are further included in low temperature curing type powder coating component provided by the invention, in component
On the basis of organobentonite and polytetrafluoroethylwax wax collective effect, change part acrylic levelling agent, acrylic acid wetting agent part,
Benzoin, stearic acid, CAB-551-0.2, sludge ice agent dosage are applied using CAB-551-0.2 and low temperature curing type powder of the present invention
Expect fused coating, sludge ice agent and surface tension, the compatibility difference of low temperature curing type powdery paints fused coating of the present invention, influence
The melting viscosity and curing rate of coating realize the effect of sand streak, wrinkle；Meanwhile addition aluminium silver powder or pearlescent pigment, cooperation change
Become part acrylic levelling agent, acrylic acid wetting agent part, benzoin, stearic acid dosage realization hammer tone effect.In addition CAB-551-
0.2, also with amide waxe, stearic acid, acrylic acid levelling agent collective effect, further functions as the effect for improving levelability.
Specific embodiment
In order to which those skilled in the art is made to more fully understand technical scheme of the present invention, with reference to specific embodiment pair
The present invention is described in further detail.
CAB-551-0.2：The CAB-551-0.2 belongs to Yi Shiman cellulose acetates series, is the fibre of high bytyry content
The plain ester of dimension.
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 part of acrylic acid levelling agent, acrylic acid profit
1 part of humectant, 1 part of benzoin, 1 part of stearic acid, 1 part of polyethylene wax, 2 parts of antifoaming agent, 1 part of polytetrafluoroethylwax wax, charge adjusting agent 1
Part, 1 part of organobentonite, 2 parts of catalyst, 5 parts of delustering agent.
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 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 packet
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, 0.1 part of acrylic acid levelling agent,
0.1 part of acrylic acid wetting agent, 0.1 part of benzoin, 0.1 part of stearic acid, 0.1 part of polyethylene wax, 0.1 part of antifoaming agent, polytetrafluoroethyl-ne
0.1 part of alkene wax, 0.1 part of charge adjusting agent, 0.1 part of organobentonite, 0.1 part of catalyst, 0.1 part of delustering agent.
Embodiment 3
The present embodiment is differed only in embodiment 1：In parts by weight, the low temperature curing type powder coating component packet
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 part of acrylic acid levelling agent, third
1 part of olefin(e) acid wetting agent, 1 part of benzoin, 1 part of stearic acid, 1 part of polyethylene wax, 2 parts of antifoaming agent, 1 part of polytetrafluoroethylwax wax, charge
1 part of conditioning agent, 1 part of organobentonite, 2 parts 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 packet
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 part of acrylic acid wetting agent, benzene
1 part of acyloin, 1 part of stearic acid, 1 part of polyethylene wax, 2 parts of antifoaming agent, 1 part of polytetrafluoroethylwax wax, 1 part of charge adjusting agent, organic bentonite
1 part of profit soil, 2 parts of catalyst, 5 parts of delustering agent.
Embodiment 5
The present embodiment is differed only in embodiment 1：In parts by weight, the low temperature curing type powder coating component packet
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 part of acrylic acid levelling agent, benzene
1 part of acyloin, 1 part of stearic acid, 1 part of polyethylene wax, 2 parts of antifoaming agent, 1 part of polytetrafluoroethylwax wax, 1 part of charge adjusting agent, organic bentonite
1 part of profit soil, 2 parts of catalyst, 5 parts of delustering agent.
Embodiment 6
The present embodiment is differed only in embodiment 1：In parts by weight, the low temperature curing type powder coating component packet
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 part of acrylic acid levelling agent, third
1 part of olefin(e) acid wetting agent, 1 part of stearic acid, 1 part of polyethylene wax, 2 parts of antifoaming agent, 1 part of polytetrafluoroethylwax wax, 1 part of charge adjusting agent,
1 part of organobentonite, 2 parts of catalyst, 5 parts of delustering agent.
Embodiment 7
The present embodiment is differed only in embodiment 1：In parts by weight, the low temperature curing type powder coating component packet
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 part of acrylic acid levelling agent, third
1 part of olefin(e) acid wetting agent, 1 part of benzoin, 1 part of polyethylene wax, 2 parts of antifoaming agent, 1 part of polytetrafluoroethylwax wax, 1 part of charge adjusting agent,
1 part of organobentonite, 2 parts of catalyst, 5 parts of delustering agent.
Embodiment 8
The present embodiment is differed only in embodiment 1：In parts by weight, the low temperature curing type powder coating component packet
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 part of acrylic acid levelling agent, third
1 part of olefin(e) acid wetting agent, 1 part of stearic acid, 2 parts of antifoaming agent, 1 part of polytetrafluoroethylwax wax, 1 part of charge adjusting agent, has 1 part of benzoin
1 part of machine bentonite, 2 parts of catalyst, 5 parts of delustering agent.
Embodiment 9
The present embodiment is differed only in embodiment 1：In parts by weight, the low temperature curing type powder coating component packet
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 part of acrylic acid levelling agent, third
1 part of olefin(e) acid wetting agent, 1 part of benzoin, 1 part of stearic acid, 1 part of polyethylene wax, 1 part of polytetrafluoroethylwax wax, 1 part of charge adjusting agent,
1 part of organobentonite, 2 parts of catalyst, 5 parts of delustering agent.
Embodiment 10
The present embodiment is differed only in embodiment 1：In parts by weight, the low temperature curing type powder coating component packet
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 part of acrylic acid levelling agent, third
1 part of olefin(e) acid wetting agent, 1 part of benzoin, 1 part of stearic acid, 1 part of polyethylene wax, 2 parts of antifoaming agent, 1 part of charge adjusting agent, organic bentonite
1 part of profit soil, 2 parts of catalyst, 5 parts of delustering agent.
Embodiment 11
The present embodiment is differed only in embodiment 1：In parts by weight, the low temperature curing type powder coating component packet
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 part of acrylic acid levelling agent, third
It is 1 part of olefin(e) acid wetting agent, 1 part of benzoin, 1 part of stearic acid, 1 part of polyethylene wax, 2 parts of antifoaming agent, 1 part of polytetrafluoroethylwax wax, organic
1 part of bentonite, 2 parts of catalyst, 5 parts of delustering agent.
Embodiment 12
The present embodiment is differed only in embodiment 1：In parts by weight, the low temperature curing type powder coating component packet
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 part of acrylic acid levelling agent, third
1 part of olefin(e) acid wetting agent, 1 part of benzoin, 1 part of stearic acid, 1 part of polyethylene wax, 2 parts of antifoaming agent, 1 part of polytetrafluoroethylwax wax, charge
1 part of conditioning agent, 2 parts of catalyst, 5 parts of delustering agent.
Embodiment 13
The present embodiment is differed only in embodiment 1：In parts by weight, the low temperature curing type powder coating component packet
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 part of acrylic acid levelling agent, third
1 part of olefin(e) acid wetting agent, 1 part of benzoin, 1 part of stearic acid, 1 part of polyethylene wax, 2 parts of antifoaming agent, 1 part of polytetrafluoroethylwax wax, charge
1 part of conditioning agent, 1 part of organobentonite, 5 parts of delustering agent.
Embodiment 14
The present embodiment is differed only in embodiment 1：0.1 part of acrylic acid levelling agent, 0.1 part of acrylic acid wetting agent, benzene
0.1 part of acyloin, 0.1 part of stearic acid；The low temperature curing type powder coating component further includes：0.1 part of CAB-551-0.2, sludge ice
0.1 part of agent.
Embodiment 15
The present embodiment is differed only in embodiment 1：0.8 part of acrylic acid levelling agent, 0.8 part of acrylic acid wetting agent, benzene
0.8 part of acyloin, 0.8 part of stearic acid；The low temperature curing type powder coating component further includes：4 parts of CAB-551-0.2, sludge ice agent
4 parts.
Embodiment 16
The present embodiment is differed only in embodiment 1：0.1 part of acrylic acid levelling agent, 0.1 part of acrylic acid wetting agent, benzene
0.1 part of acyloin, 0.1 part of stearic acid；The low temperature curing type powder coating component further includes：0.1 part of CAB-551-0.2, sludge ice
0.1 part of agent, 0.1 part of aluminium silver powder.
Embodiment 17
The present embodiment is differed only in embodiment 1：0.5 part of acrylic acid levelling agent, 0.5 part of acrylic acid wetting agent, benzene
0.5 part of acyloin, 0.5 part of stearic acid；The low temperature curing type powder coating component further includes：4 parts of CAB-551-0.2, sludge ice agent
4 parts, 5 parts of aluminium silver powder.
Embodiment 18
The present embodiment is differed only in embodiment 1：The low temperature curing type powder coating component further includes：Aluminium silver powder
5 parts.
Embodiment 19
The present embodiment is differed only in embodiment 1：0.1 part of acrylic acid levelling agent, 0.1 part of acrylic acid wetting agent, benzene
0.1 part of acyloin, 0.1 part of stearic acid；The low temperature curing type powder coating component further includes：0.1 part of CAB-551-0.2, sludge ice
0.1 part of agent, 0.1 part of pearlescent pigment.
Embodiment 20
The present embodiment is differed only in embodiment 1：0.5 part of acrylic acid levelling agent, 0.5 part of acrylic acid wetting agent, benzene
0.5 part of acyloin, 0.5 part of stearic acid；The low temperature curing type powder coating component further includes：4 parts of CAB-551-0.2, sludge ice agent
4 parts, 5 parts of pearlescent pigment.
Embodiment 21
The present embodiment is differed only in embodiment 1：The low temperature curing type powder coating component further includes：Pearly-lustre face
5 parts of material.
Embodiment 22
Low temperature curing type powdery paints described in Example 1~21 is tested, the low-temperature solid described in Examples 1 to 21
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：CAB-
0~4 part of 551-0.2,0~4 part of sludge ice agent；Do not add CAB-551-0.2 and sludge ice agent, low temperature curing type provided by the invention
Powdery paints appearance of film is sand streak；It is 0~0.8 part of the acrylic acid levelling agent, 0~0.8 part of the acrylic acid wetting agent, described
0~0.8 part of benzoin, 0~1 part of the stearic acid, 0.1~4 part of CAB-551-0.2,0.1~4 part of sludge ice agent, the present invention carries
The low temperature curing type powdery paints appearance of film of confession is wrinkle；The low temperature curing type powder coating component includes：Described third
0~0.5 part of olefin(e) acid levelling agent, 0~0.5 part of the acrylic acid wetting agent, 0~0.5 part of the benzoin, the stearic acid 0~
0.5 part, 0~4 part of CAB-551-0.2,0~4 part of sludge ice agent, 0~5 part of aluminium silver powder, low temperature curing type powder provided by the invention
Coating appearance of film is mallear stria；The low temperature curing type powder coating component includes：0~0.5 part of the acrylic acid levelling agent,
0~0.5 part of the acrylic acid wetting agent, 0~0.5 part of the benzoin, 0~0.5 part of the stearic acid, CAB-551-0.2 0
~4 parts, 0~4 part of sludge ice agent, 0~5 part of pearlescent pigment, low temperature curing type powdery paints appearance of film provided by the invention for hammer
Line.
Embodiment 23
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 24
Low temperature curing type powdery paints described in Examples 1 to 21 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
0~0.1 part of olefin(e) acid levelling agent, 0~0.1 part of acrylic acid wetting agent, 0~0.1 part of benzoin, 0~0.1 part of stearic acid, polyethylene
0~1 part of wax, 0~1 part of polytetrafluoroethylwax wax, 0~1 part of charge adjusting agent, 0~1 part of organobentonite, is urged at 0~2 part of antifoaming agent
0~2 part of agent, 0~5 part of delustering agent, 0~4 part of CAB-551-0.2,0~4 part of sludge ice agent；The titanium dioxide, the sulfuric acid
It is barium, the acrylic acid levelling agent, the acrylic acid wetting agent, the benzoin, the stearic acid, the polyethylene wax, described
Antifoaming agent, the polytetrafluoroethylwax wax, the charge adjusting agent, the organobentonite, the catalyst, the delustering agent,
It is 0 when the CAB-551-0.2, the sludge ice agent parts by weight difference.
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 the acrylic acid levelling agent 0~0.8
Part, 0~0.8 part of the acrylic acid wetting agent, 0~0.8 part of the benzoin, 0~0.8 part of the stearic acid.
6. low temperature curing type powdery paints according to claim 1, which is characterized in that the acrylic acid levelling agent 0~0.5
Part, 0~0.5 part of the acrylic acid wetting agent, 0~0.5 part of the benzoin, 0~0.5 part of the stearic acid.
7. low temperature curing type powdery paints according to claim 6, which is characterized in that the low temperature curing type powder coating component
It further includes：0~5 part of aluminium silver powder.
8. low temperature curing type powdery paints according to claim 6, which is characterized in that the low temperature curing type powdery paints
Component further includes：Pigment；The pigment includes：Pearlescent pigment.
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 packet
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 |
|---|---|---|---|---|
| CN108753004A (en) * | 2018-06-15 | 2018-11-06 | 汪国亮 | A kind of preparation method of the modified micaceous titanium nacreous Pearly-lustre type powdery paints coating containing surface |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0244823A2 (en) * | 1986-05-07 | 1987-11-11 | Dainippon Ink And Chemicals, Inc. | Resin composition for use in powder paint |
| 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 |
-
2017
- 2017-12-01 CN CN201711250776.9A patent/CN108129944A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0244823A2 (en) * | 1986-05-07 | 1987-11-11 | Dainippon Ink And Chemicals, Inc. | Resin composition for use in powder paint |
| 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 |
|---|---|---|---|---|
| CN108753004A (en) * | 2018-06-15 | 2018-11-06 | 汪国亮 | A kind of preparation method of the modified micaceous titanium nacreous Pearly-lustre type powdery paints coating containing surface |
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