CN108102506A - Bonding Pearlescent powder paint and preparation method thereof - Google Patents
Bonding Pearlescent powder paint and preparation method thereof Download PDFInfo
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- CN108102506A CN108102506A CN201711386799.2A CN201711386799A CN108102506A CN 108102506 A CN108102506 A CN 108102506A CN 201711386799 A CN201711386799 A CN 201711386799A CN 108102506 A CN108102506 A CN 108102506A
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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
- C09D5/031—Powdery paints characterised by particle size or shape
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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
- C09D5/36—Pearl essence, e.g. coatings containing platelet-like pigments for pearl lustre
-
- 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
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured 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
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
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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
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- Engineering & Computer Science (AREA)
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- Chemical Kinetics & Catalysis (AREA)
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Abstract
The invention discloses a kind of bonding Pearlescent powder paint and preparation method thereof, its key points of the technical solution are that the Pearlescent powder paint is formed by bottom powder and pearlescent pigment and antifoaming agent bonding, bottom powder includes the raw material of following parts by weight：12 parts of 35 45 parts of polyester resin, 35 45 parts of epoxy resin, 3.6 4 parts of curing agent, 0.35 0.45 parts of optical brightener, 0.25 0.35 parts of degasser, 0.2 0.3 parts of levelling agent, 10 15 parts of filler and common pigments, the antifoaming agent is 0.2 0.3 parts, and the pearlescent pigment is 24 parts；Its preparation method includes the following steps：It is added in after carrying out mixed grinding except the material of pearlescent pigment and antifoaming agent in bonding machines, pearlescent pigment is added after material softening and carries out bonding with antifoaming agent, reach the material for being softened pearlescent pigment fully to wrap up and uniformly disperse, obtain the technique effect of the Pearlescent powder paint of high gloss.
Description
Technical field
The present invention relates to powder coating technology field, more particularly to a kind of bonding Pearlescent powder paint and preparation method thereof.
Background technology
Powdery paints refer to it is a kind of new without 100% solid powdery coating of solvent, have it is solvent-free, without dirt
Dye, it is recyclable, environmentally friendly, save the energy and resource, reduce labor intensity with coating machinery intensity it is high the features such as.
Thermoplastic powder coating is by thermoplastic resin, pigment, filler, plasticizer and stabilizer etc. into being grouped into；Heat
Plastic powder coating includes：Polyethylene, polypropylene, polyester, polyvinyl chloride, chlorinated polyether, polyamide-based, cellulose-based, polyester
System.Thermosetting powder coating is made of thermosetting resin, curing agent, pigment, filler and auxiliary agent etc.；Thermosetting powder coating bag
It includes：Epoxy resin, Polyester, acrylic resin.
Pearlescent powder paint is one kind in powdery paints, refers to apply containing the various powder with pearl effect pigment
Material can show a kind of bright, luxurious decorative effect, and pearl effect is strong, and fashion is beautiful, is very suitable for household, ornaments and vapour
The spraying of indoor, the outdoor object such as vehicle.
Existing to can refer to the patent application document that application publication number is CN104293100A, it discloses a kind of epoxies to gather
Ester type Pearlescent powder paint includes the component of following weight proportion：Epoxy resin, 30-35 parts；Polyester resin (acid value 70-
80mgKOH/g), 30-35 parts；Levelling agent, 1-1.5 parts；Filler, 15-20 parts；Additive, 1-1.5 parts；Special addition agent, 0.3-
0.4 part；Common pigments, 0.5-1.0 parts；Pearlescent pigment 9270 (%), 3.5B-4.0B.
But in the prior art, using the method for electrostatic powder coating Pearlescent powder paint is made to spray the surface of object
It applies, by the coating that electrostatic powder paint gun gushes out, makes powder particle negatively charged scattered while, electrically charged powder particle
It by the effect of air-flow (or other active forces such as centrifugal force) and electrostatic attraction, applies onto the coated article of ground connection, reheats melting
Film-forming since powder spray is scattered, during spraying, has part coatings and dissociates, and passes through traditional skill
Powdery paints prepared by art is bad to the encapsulation of pearlescent pigment, and the pearlescent pigment through ejection is distributed in the powdery paints being scattered
Unevenness can not be continuing with, therefore how improve uniformity and stability that pearlescent pigment disperses in powdery paints,
It is a problem to be solved so as to which the coating being scattered is recycled.
The content of the invention
One of the objects of the present invention is to provide a kind of bonding Pearlescent powder paint, pearlescent pigment can be by resin equably
Package, obtains the Pearlescent powder paint of high gloss, i.e., pearlescent pigment remains to uniformly disperse in coating after coating is sprayed-on,
Add the rate of recovery.
The present invention above-mentioned technical purpose technical scheme is that：
A kind of bonding Pearlescent powder paint, forms including bottom powder and pearlescent pigment and antifoaming agent bonding, in terms of parts by weight, institute
State bottom powder include 35-45 part of polyester resin, 35-45 parts of epoxy resin, 3.6-4 parts of curing agent, 0.35-0.45 parts of optical brightener, take off
1-2 parts of 0.25-0.35 parts of gas agent, 0.2-0.3 parts of levelling agent, 10-15 parts of filler and common pigments, the antifoaming agent are 0.2-
0.3 part, the pearlescent pigment is 2-4 parts.
By using said program, the high mechanical properties of epoxy resin, strong adhesive force, cure shrinkage are small, processing performance
Good and stability is good, but its weatherability is poor, should not be used as outdoor finishing coat；And polyester resin adhesive force is good, weatherability is excellent；
Therefore the adhesive force of coating, weatherability and surely can be enhanced using polyester resin and epoxy resin as the film forming matter of coating
It is qualitative；The levelling agent added in two kinds of resins can improve the levelability of resin, reduce film shrinkage cavity；Degasser can eliminate
Bubble in melted powder；Antifoaming agent can inhibit foam and generate or eliminate the foam generated；Optical brightener can reduce paint
Film surface roughness and increase gloss so that the glossiness of coating improves；Filler can enhance the intensity and other property of coating
Energy；Pearlescent pigment can assign the metallic luster that coating becomes, and improve performance attractive in appearance.
Preferably, in terms of parts by weight, raw material include 40 parts of polyester resin, 40 parts of epoxy resin, 3.8 parts of curing agent,
0.4 part of optical brightener, 0.3 part of degasser, 0.25 part of antifoaming agent, 0.25 part of levelling agent, 13.5 parts of filler, 1.5 parts of common pigments with
And 3 parts of pearlescent pigment.
Preferably, in terms of parts by weight, the filler includes blanc fixe, ultra-fine delustring barium sulfate and nanometer sulfuric acid
Barium, the weight ratio of three is respectively 3：1：1.
By using said program, filler of the blanc fixe as coating can enhance intensity, the ageing resistance of coating
And weatherability；Ultra-fine delustring barium sulfate can play the role of coating delustring or matt, reduce the original gloss of coating,
So as to the metallic luster of more outstanding behaviours pearlescent pigment, and extinction barium has a good chemical inertness, compatibility it is good and
Dispersiveness is excellent, and extinction barium can improve the hardness and weatherability of coating；The strong surface of ultra-fine particles can make paint film and ground
With reference to more securely, but also paint film more flat smooth and glossiness improve；The particle diameter distribution of nano barium sulfate is narrow, has smaller ratio
Surface area and base-material dosage, can obtain high glaze, and it is easily scattered, wearability is good, strong covering power.
Preferably, the grain size of the ultra-fine delustring barium sulfate is 5-20 μm.
Preferably, the grain size of the nano barium sulfate is 20-60nm.
Preferably, in terms of parts by weight, the common pigments include titanium dioxide and coloring pigment, the weight ratio of the two
Respectively 3:1.
By using said program, titanium dioxide has nontoxic, optimal opacity, whiteness and brightness, can incite somebody to action
The primary colors of coated object to be painted is covered, be conducive to coloring pigment treat painting objects carry out cover color.
Preferably, the coloring pigment includes one or more of carbon black, iron oxide red, iron oxide yellow, iron oxide brown, barba hispanica.
By using said program, the carbon black of coloring pigment use, iron oxide red, iron oxide yellow, iron oxide brown, barba hispanica, weatherability is resistance to
Photosensitiveness, heat resistance and coloring are good and nontoxic, and being adapted to property is extensive.
Preferably, the curing agent is TGIC.
By using said program, TGIC is triglycidyl group chlorinated isocyanurates, is a kind of polycyclic heteroaryl oxygen compound,
With good heat resistance, weatherability, cementability and excellent high-temperature behavior；Suitable for epoxy resin and polyester resin
Solidification.
Preferably, the degasser is styrax degasser.
By using said program, the benzoic entitled diphenylhydroxyethanone of chemistry, for eliminating what is generated in solidification process
The problems such as pin hole, shrinkage cavity, bubble, the viscosity and surface tension of molten mass can be reduced, oxygen occurs in film forming procedure for styrax
Change reaction, the oxygen consumed in bubble reduces bubble diameter, increases so as to cause bubble inside Laplce's tension so that nitrogen
Rate of dissolution of the gas in system is accelerated and plays the role of degassing；Styrax promotes dissolving and diffusion of the gas in resin.
The second object of the present invention is to provide a kind of preparation method of bonding Pearlescent powder paint.
The present invention above-mentioned technical purpose technical scheme is that：
The preparation method of bonding Pearlescent powder paint, includes the following steps：
(1) it is pre-mixed：By the polyester resin of above-mentioned weight ratio, epoxy resin, curing agent, degasser, optical brightener, levelling
Agent, filler and common pigments mixing 5-10min；
(2) squeeze out：Mixed material is placed in double screw extruder to squeeze out, the extrusion temperature of the extruder is 70-80 DEG C,
Extrusion rotating speed is 80-90rmp；
(3) crush：After materials result after extrusion, cooling, crushed by crusher；
(4) grind：By broken material grind into powder, it is bottom powder to obtain the material that grain size is 40-50 μm by screening；
(5) preheat：Bottom powder is placed in bonding machines and is preheated, preheating temperature is 35-45 DEG C, preheating time 4-8min, is risen
Temperature is stirred continuously until its softening to 85-95 DEG C；
(6) bonding：The pearlescent pigment and antifoaming agent that above-mentioned weight ratio is added in into the material after softening carry out bonding, stir
Mix rotating speed is 300-450r/min, and mixing time 3-5min, whipping temp is 45-65 DEG C；
(7) cool down：Cool down rapidly to the material after stirring, it is made to be cooled to less than 20 DEG C in 1-2min to get the bonding
Pearlescent powder paint.
By using said program, bottom powder is mixed after mixing by bonding machines with pearlescent pigment, bottom powder is soft
Pearlescent pigment can be wrapped up well after change, and pearlescent pigment is enable to be uniformly dispersed in the powder of bottom, reduce bottom powder
With the separation of pearlescent pigment；The antifoaming agent added in stirring, can reduce the surface tension in process, inhibit foam
The foam generated is generated or eliminated, improves the smooth degree of final products.
In conclusion the invention has the advantages that：
1. the blanc fixe used in filler, ultra-fine delustring barium sulfate and nano barium sulfate can enhance the gloss of coating
Degree, weatherability, heat resistance and wearability and dispersed excellent, whiteness height, can substitute part titanium dioxide, saving production
Cost；
2. bottom powder is carried out to carry out bonding by bonding machines and pearlescent pigment again after mixing extrusion is ground, bottom powder can be made by pearly-lustre face
Material package, by sufficiently stirring so that pearlescent pigment in the powder of bottom uniformly disperse, it is not easily to fall off so that glossiness have compared with
Big improvement.
Specific embodiment
The present invention is described in further detail below.
Embodiment 1：A kind of bonding Pearlescent powder paint is prepared with the following method：
(1) it is pre-mixed：By polyester resin 40kg, epoxy resin 40kg, TGIC 3.8kg, optical brightener 0.4kg, styrax 0.3kg,
Levelling agent 0.25kg, barium sulfate 8.1kg, ultra-fine delustring barium sulfate 2.7kg, nano barium sulfate 2.7kg, titanium dioxide 1.125kg with
And carbon black 0.375kg mixing 8min；
(2) squeeze out：Mixed material is placed in double screw extruder to squeeze out, extrusion temperature is 75 DEG C, squeezes out rotating speed and is
85rmp；
(3) crush：After materials result after extrusion, cooling, crushed by crusher；
(4) grind：By broken material grind into powder, it is bottom powder to obtain the material that grain size is 40-50 μm by screening；
(5) preheat：Bottom powder is placed in bonding machines and is preheated, preheating temperature is 40 DEG C, preheating time 6min, and heating is most
90 DEG C, and it is stirred continuously until its softening；
(6) bonding：Bottom powder is added in bonding machines and is softened, then adds 3kg pearlescent pigments and 0.25kg antifoaming agent
Bonding, speed of agitator 375r/min, mixing time 4min are carried out, whipping temp is 50 DEG C；
(7) cool down：Cool down to the material after stirring, it is made to be cooled to less than 20 DEG C in 1-2min to get the bonding
Pearlescent powder paint.
Embodiment 2：
(1) it is pre-mixed：By polyester resin 35kg, epoxy resin 35kg, TGIC 3.6kg, optical brightener 0.35kg, styrax
0.25kg, levelling agent 0.2kg, barium sulfate 6kg, ultra-fine delustring barium sulfate 2kg, nano barium sulfate 2kg, titanium dioxide 0.75kg and
Iron oxide yellow 0.25kg mixing 5min；
(2) squeeze out：Mixed material is placed in double screw extruder to squeeze out, extrusion temperature is 75 DEG C, squeezes out rotating speed and is
85rmp；
(3) crush：After materials result after extrusion, cooling, crushed by crusher；
(4) grind：By broken material grind into powder, it is bottom powder to obtain the material that grain size is 40-50 μm by screening；
(5) preheat：Bottom powder is placed in bonding machines and is preheated, preheating temperature is 35 DEG C, and preheating time 4min is warming up to 85
DEG C, and it is stirred continuously until its softening；
(6) bonding：Bottom powder is added in bonding machines and is softened, then adds 2.5kg pearlescent pigments and 0.2kg antifoaming agent
Bonding, speed of agitator 300r/min, mixing time 3min are carried out, whipping temp is 50 DEG C；
(7) cool down：Cool down to the material after stirring, it is made to be cooled to less than 20 DEG C in 1-2min to get the bonding
Pearlescent powder paint.
Embodiment 3：
(1) it is pre-mixed：By polyester resin 45kg, epoxy resin 45kg, TGIC 4kg, optical brightener 0.4kg, styrax 0.35kg,
Levelling agent 0.3kg, barium sulfate 9kg, ultra-fine delustring barium sulfate 3kg, nano barium sulfate 3kg, titanium dioxide 1.5kg and iron oxide yellow
0.5kg mixing 5min；
(2) squeeze out：Mixed material is placed in double screw extruder to squeeze out, extrusion temperature is 80 DEG C, squeezes out rotating speed and is
90rmp；
(3) crush：After materials result after extrusion, cooling, crushed by crusher；
(4) grind：By broken material grind into powder, it is bottom powder to obtain the material that grain size is 40-50 μm by screening；
(5) preheat：Bottom powder is placed in bonding machines and is preheated, preheating temperature be 45 DEG C of preheating times be 8min, be warming up to 95
DEG C, and it is stirred continuously until its softening；
(6) bonding：Bottom powder is added in bonding machines and is softened, then adds 2.5kg pearlescent pigments and 0.2kg antifoaming agent
Bonding, speed of agitator 450r/min, mixing time 5min are carried out, whipping temp is 50 DEG C；
(7) cool down：Cool down to the material after stirring, it is made to be cooled to less than 20 DEG C in 1-2min to get the bonding
Pearlescent powder paint.
Comparative example 1：
Patent application document of the application publication number for CN103160181A is used, it discloses a kind of Pearlescent powder paint and its systems
Preparation Method, the Pearlescent powder paint of the invention are that coating particles and silver powder pearly-lustre powder particles are carried out dry-mixed preparation.
Comparative example 2：
Patent application document of the application publication number for CN105273583A is used, it discloses a kind of aluminium dedicated weather-proof pearly-lustres
Powdery paints and preparation method thereof, by bottom powder and pearlescent pigment by weight 100:The common bondings of 0.003-10 form, the pearl
Delustering pigment is weather resistant pearl pigment.
The uniformly spray respectively by way of electrostatic spraying by the finished powder in above-described embodiment 1-3 and comparative example 1-2
It is coated on iron plate, the sample after spraying is placed under the conditions of 180 DEG C and cures 10min, test sample is obtained after cooling, to its physics
Performance is tested, and test result is as shown in table 1：
The performance test results of Pearlescent powder paint prepared by 1 each embodiment of table and comparative example
As shown in Table 1, the glossiness of Pearlescent powder paint prepared by embodiment 1-3 is high, strong adhesive force, and ageing-resistant performance is excellent
Different, glossiness height also reflects the uniformity that pearlescent pigment disperses in coating, in senile experiment, dusting does not occur, takes off
The phenomenon that falling, and since pearlescent pigment uniformly disperses in coating, when coating is scattered in ground, pearlescent pigment remains to uniformly
Ground is distributed in coating, adds the rate of recovery, therefore as can be seen from the above data, bonding Pearlescent powder paint of the invention
It has excellent performance.
This specific embodiment is only explanation of the invention, is not limitation of the present invention, people in the art
Member can as needed make the present embodiment the modification of no creative contribution after this specification is read, but as long as at this
It is all protected in the right of invention be subject to Patent Law.
Claims (10)
1. a kind of bonding Pearlescent powder paint, it is characterised in that：It is formed including bottom powder and pearlescent pigment and antifoaming agent bonding, with
Parts by weight meter, the bottom powder include 35-45 parts of polyester resin, 35-45 parts of epoxy resin, 3.6-4 parts of curing agent, optical brightener
1-2 parts of 0.35-0.45 parts, 0.25-0.35 parts of degasser, 0.2-0.3 parts of levelling agent, 10-15 parts of filler and common pigments, institute
Antifoaming agent is stated as 0.2-0.3 parts, the pearlescent pigment is 2-4 parts.
2. bonding Pearlescent powder paint according to claim 1, it is characterised in that：In terms of parts by weight, raw material includes
40 parts of polyester resin, 40 parts of epoxy resin, 3.8 parts of curing agent, 0.4 part of optical brightener, 0.3 part of degasser, 0.25 part of antifoaming agent, stream
3 parts of flat 0.25 part of agent, 13.5 parts of filler, 1.5 parts of common pigments and pearlescent pigment.
3. bonding Pearlescent powder paint according to claim 1, it is characterised in that：In terms of parts by weight, the filler bag
Blanc fixe, ultra-fine delustring barium sulfate and nano barium sulfate are included, the weight ratio of three is respectively 3：1：1.
4. bonding Pearlescent powder paint according to claim 3, it is characterised in that：The grain size of the ultra-fine delustring barium sulfate
For 5-20 μm.
5. bonding Pearlescent powder paint according to claim 3, it is characterised in that：The grain size of the nano barium sulfate is
20-60nm。
6. bonding Pearlescent powder paint according to claim 1, it is characterised in that：In terms of parts by weight, the common face
Material includes titanium dioxide and coloring pigment, and the weight ratio of the two is respectively 3:1.
7. bonding Pearlescent powder paint according to claim 6, it is characterised in that：The coloring pigment includes carbon black, iron
One or more of red, iron oxide yellow, iron oxide brown, barba hispanica.
8. bonding Pearlescent powder paint according to claim 1, it is characterised in that：The curing agent is TGIC.
9. bonding Pearlescent powder paint according to claim 1, it is characterised in that：The degasser deaerates for styrax
Agent.
A kind of 10. method for preparing the bonding Pearlescent powder paint as described in claim 1-9 any one, which is characterized in that bag
Include following steps：
(1) it is pre-mixed：It will be by the polyester resin of above-mentioned weight ratio, epoxy resin, curing agent, degasser, optical brightener, levelling
Agent, filler and common pigments mixing 5-10min；
(2) squeeze out：Mixed material is placed in double screw extruder to squeeze out, 70-80 DEG C of the extrusion temperature of the extruder squeezes
Go out rotating speed for 80-90rmp；
(3) crush：After materials result after extrusion, cooling, crushed by crusher；
(4) grind：By broken material grind into powder, it is bottom powder to obtain the material that grain size is 40-50 μm by screening；
(5) preheat：Bottom powder is placed in bonding machines and is preheated, preheating temperature is 35-45 DEG C, preheating time 4-8min, is risen
Temperature is stirred continuously until its softening to 85-95 DEG C；
(6) bonding：It is added in into the material after softening and carries out bonding by the pearlescent pigment and antifoaming agent of above-mentioned weight ratio,
Speed of agitator is 300-450r/min, and mixing time 3-5min, whipping temp is 45-65 DEG C；
(7) cool down：Cool down rapidly to the material after stirring, it is made to be cooled to less than 20 DEG C in 1-2min to get the bonding
Pearlescent powder paint.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711386799.2A CN108102506A (en) | 2017-12-20 | 2017-12-20 | Bonding Pearlescent powder paint and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711386799.2A CN108102506A (en) | 2017-12-20 | 2017-12-20 | Bonding Pearlescent powder paint and preparation method thereof |
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| CN110408311A (en) * | 2019-07-22 | 2019-11-05 | 佛山市艾瑞博装饰材料有限公司 | A kind of Weather-resisting powder coating and preparation method thereof |
| CN110669409A (en) * | 2019-10-10 | 2020-01-10 | 湖南连心科技有限公司 | High-imitation anodizing powder coating and preparation method and application thereof |
| CN110684442A (en) * | 2018-07-05 | 2020-01-14 | 漳州市万诚粉体涂料有限公司 | Preparation method and preparation equipment of powder coating |
| CN111607313A (en) * | 2020-05-22 | 2020-09-01 | 四川桑瑞斯高分子材料有限公司 | Stable-spraying Yuhua stone powder coating and preparation method thereof |
| CN112724804A (en) * | 2020-12-29 | 2021-04-30 | 老虎表面技术新材料（清远）有限公司 | Powder coating composition with color changing effect and coating thereof |
| CN113396192A (en) * | 2019-02-14 | 2021-09-14 | Ppg工业俄亥俄公司 | Coating composition providing an anodized look |
| CN114437614A (en) * | 2022-01-27 | 2022-05-06 | 福建万安实业集团有限公司 | Powder coating for aluminum ceiling and preparation method and application thereof |
| CN116790179A (en) * | 2023-06-20 | 2023-09-22 | 河北汉光重工有限责任公司 | Preparation method of metal powder coating |
| CN117247689A (en) * | 2023-08-25 | 2023-12-19 | 广东华江粉末科技有限公司 | Preparation method of sand grain metal powder coating |
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| CN110684442A (en) * | 2018-07-05 | 2020-01-14 | 漳州市万诚粉体涂料有限公司 | Preparation method and preparation equipment of powder coating |
| CN109354969A (en) * | 2018-10-11 | 2019-02-19 | 上海国丽粉体涂料有限公司 | A kind of imitative anode powder coating and preparation method thereof |
| CN113396192A (en) * | 2019-02-14 | 2021-09-14 | Ppg工业俄亥俄公司 | Coating composition providing an anodized look |
| CN110408311A (en) * | 2019-07-22 | 2019-11-05 | 佛山市艾瑞博装饰材料有限公司 | A kind of Weather-resisting powder coating and preparation method thereof |
| CN110408311B (en) * | 2019-07-22 | 2021-08-17 | 佛山市艾瑞博装饰材料有限公司 | Weather-resistant powder coating and preparation method thereof |
| CN110669409B (en) * | 2019-10-10 | 2021-06-25 | 湖南连心科技有限公司 | High-imitation anodizing powder coating and preparation method and application thereof |
| CN110669409A (en) * | 2019-10-10 | 2020-01-10 | 湖南连心科技有限公司 | High-imitation anodizing powder coating and preparation method and application thereof |
| CN111607313A (en) * | 2020-05-22 | 2020-09-01 | 四川桑瑞斯高分子材料有限公司 | Stable-spraying Yuhua stone powder coating and preparation method thereof |
| CN112724804A (en) * | 2020-12-29 | 2021-04-30 | 老虎表面技术新材料（清远）有限公司 | Powder coating composition with color changing effect and coating thereof |
| CN114437614A (en) * | 2022-01-27 | 2022-05-06 | 福建万安实业集团有限公司 | Powder coating for aluminum ceiling and preparation method and application thereof |
| CN116790179A (en) * | 2023-06-20 | 2023-09-22 | 河北汉光重工有限责任公司 | Preparation method of metal powder coating |
| CN116790179B (en) * | 2023-06-20 | 2024-10-01 | 河北汉光重工有限责任公司 | Preparation method of metal powder coating |
| CN117247689A (en) * | 2023-08-25 | 2023-12-19 | 广东华江粉末科技有限公司 | Preparation method of sand grain metal powder coating |
| CN117247689B (en) * | 2023-08-25 | 2024-04-16 | 广东华江粉末科技有限公司 | Preparation method of sand grain metal powder coating |
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