CN108641560A - A kind of high metal pigment content zero diopter powdery paints and preparation method thereof - Google Patents
A kind of high metal pigment content zero diopter powdery paints and preparation method thereof Download PDFInfo
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- CN108641560A CN108641560A CN201810392261.0A CN201810392261A CN108641560A CN 108641560 A CN108641560 A CN 108641560A CN 201810392261 A CN201810392261 A CN 201810392261A CN 108641560 A CN108641560 A CN 108641560A
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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
- C09D5/032—Powdery paints characterised by a special effect of the produced film, e.g. wrinkle, pearlescence, matt finish
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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
- C09D5/035—Coloring agents, e.g. pigments
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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
- C08K3/02—Elements
- C08K3/08—Metals
- C08K2003/085—Copper
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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
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
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Abstract
To solve existing for existing zero diopter metal powder coating, metallic pigments content is not high, products application is unstable, is susceptible to the problems such as pattern and gloss are unstable, a kind of high metal pigment content zero diopter powdery paints of present invention proposition and preparation method thereof, gloss is stable, metallic pigments additive amount is high, up to 12%, using stabilization；Including component A and component B；The weight percent of the component A is 50%；The weight percent of the component B is 50%；High metal pigment content zero diopter powdery paints and preparation method thereof metal-effect powder paint has higher protective value and decoration performance; coating gloss is between 35 70%/60 degree of angles; the metallic pigments content of preparation is more than 10%, can stable application zero diopter metal powder coating.
Description
Technical field
The present invention relates to a kind of high metal pigment content zero diopter powdery paints and preparation method thereof.
Background technology
Powdery paints with metal effect has higher protective value and decoration performance, and existing metal powder applies
The production technology of material has dry pigmentation and bonding method.On the one hand, dry pigmentation is that powdery paints bottom powder and metallic pigments are done simple object
Reason mixing, prepared resultant metal pigment content is low, simultaneously because bottom powder is different with the dielectric properties of metallic pigments, causes to produce
Product are highly unstable when final electrostatic spraying is applied, and powder bottom powder and metallic pigments will appear segregation phenomenon.On the other hand, nation
The method of determining is the metal powder coating production technology that new development is got up, by the way that powder bottom powder is heated to glass transition temperature (Tg temperature)
Near, stable metal powder coating is then produced with metallic pigments bonding；But there are technique controlling difficulties for existing bonding method
Big problem, the performance and dry pigmentation difference of final products are little if bonding temperature too low (being less than powder bottom powder Tg), metal
Pigment content is low while easily separated when applying, and powder can be caused to reunite and scrap if bonding temperature is excessively high.And traditional zero diopter
The extinction method that (referring to coating gloss between the angle of 35-70%/60 degree) powdery paints uses has interior plus delustering agent or passes through filler
Delustring, and can lead to product gloss unstable (interior plus delustering agent) with both methods delustring or bonding effect is bad (adds
Filled delustring).
Generally speaking, in the prior art, zero diopter metal powder coating has three：1, metallic pigments content is not high
(being less than 6%)；2, products application is unstable, is susceptible to pattern and metallic pigments separation；3, gloss is unstable.
Invention content
To solve existing for existing zero diopter metal powder coating, metallic pigments content is not high, products application is unstable, easy
There is the problems such as pattern and unstable gloss, a kind of high metal pigment content zero diopter powdery paints of present invention proposition and its preparation side
Method.A kind of high metal pigment content zero diopter powdery paints, gloss is stable, metallic pigments additive amount high (up to 12%), answers
With stabilization.
A kind of high metal pigment content zero diopter powdery paints, including
Component A and component B；The weight percent of the component A is 50%；The weight percent of the component B is 50%；
The component A, including bottom powder A, metal powder and bonding auxiliary agent；The weight percent of the bottom powder A is 86-98%；
The weight percent of the metal powder is 1-12%；The weight percent of the bonding auxiliary agent is 0.5-2%；
The bottom powder A, including polyester A, curing agent, filler, levelling agent, degasser and pigment；The weight hundred of the polyester A
Divide than being 60-80%；The weight percent of the curing agent is 4-8%；The weight percent of the filler is 1-20%；It is described
The weight percent of levelling agent is 0.5-1.5%；The weight percent of the degasser is 0.1-1%；The weight of the pigment
Percentage is 1-30%；
The component B, including bottom powder B, metal powder and bonding auxiliary agent；The weight percent of the bottom powder B is 86-98%；
The weight percent of the metal powder is 1-12%；The weight percent of the bonding auxiliary agent is 0.5-2%；
The bottom powder B, including polyester B, curing agent, filler, levelling agent, degasser and pigment；The weight hundred of the polyester B
Divide than being 60-80%；The weight percent of the curing agent is 4-8%；The weight percent of the filler is 1-20%；It is described
The weight percent of levelling agent is 1-20%；The weight percent of the degasser is 0.1-1%；The weight percent of the pigment
Than for 1-30%.
Further, the polyester A is the saturated carboxyl polyester resin of acid value 20-35.
Further, the curing agent is beta-hydroxy alkylamide (HAA) or triglycidyl group chlorinated isocyanurates
(TGIC) one or more combinations.
Further, the filler is one or more combinations of barium sulfate, calcium carbonate, aluminium hydroxide.
Further, the levelling agent is acrylate levelling agent.
Further, the degasser is styrax.
Further, the pigment is inorganic or organic pigment one or more combinations.
Further, the metal powder is one or more combinations of aluminium powder, mica powder, copper powder；The grain of the aluminium powder
Diameter is 5-80 microns；The grain size of the mica powder is 5-150 microns；The grain size 5-80 of the copper powder is micron.
Further, the bonding auxiliary agent is that polyamide is cured, and the cured fusing point of the polyamide is 140-150 DEG C, intermediate value
2-5 microns of grain size.
The preparation method of high metal pigment content zero diopter powdery paints of the present invention, includes the following steps：
Step S1：High-speed mixer is added in polyester resin A, curing agent, levelling agent, degasser, filler and pigment,
It is mixed 3-5 minutes under 300-500rpm, obtains mixture.
Step S2：Step 1 gained mixture is squeezed out through double screw extruder, obtains sheet stock；By the sheet stock through cooling, broken
After broken, the bottom powder A of median particle diameter 30-50um is ground into through air classification mill ACM；The reaction temperature of the bottom powder A is 180-200
DEG C, the reaction time is 10-15 minutes.
Step S3：High-speed mixer is added in polyester resin B, curing agent, levelling agent, degasser, filler and pigment,
It is mixed 3-5 minutes under 300-500rpm, obtains mixture.
Step S4：Mixture obtained by step S3 is squeezed out through double screw extruder, obtains sheet stock；By the sheet stock through cooling,
After broken, the bottom powder B of median particle diameter 30-50um is ground into through air classification mill ACM；The reaction temperature of the bottom powder B is 180-
200 DEG C, the reaction time is 5-10 minutes.
Step S5：The glass transition temperature (TgA) of bottom powder A is measured, then bottom powder A is added in bonding machines, adds bonding
Auxiliary agent and required metallic pigments, setting bonding temperature ratio TgA high 3-8 DEG C, bonding rotating speed 500-1000rpm, bonding time 2-10
Minute；After the completion of bonding, 160 mesh screens are crossed, obtain component A, it is spare.
Step S6：The glass transition temperature (TgB) of bottom powder B is measured, then bottom powder B is added in bonding machines, adds bonding
Auxiliary agent and required metallic pigments, setting bonding temperature ratio TgB high 3-8 DEG C, bonding rotating speed 500-1000rpm, bonding time 2-10
Minute；After the completion of bonding, 160 mesh screens are crossed, obtain component B, it is spare；
Step S7：High-speed mixer is added in component B obtained by component A obtained by step S5 and step S6, in 100-300rpm
Lower mixing 3-5 minutes crosses 160 mesh sieve, obtains finished product.
The advantageous effects of high metal pigment content zero diopter powdery paints of the present invention and preparation method thereof are：Metal effect
Powdery paints has higher protective value and decoration performance, and coating gloss is between the angle of 35-70%/60 degree, the gold of preparation
Belong to pigment content be more than 10%, can stable application zero diopter metal powder coating.The present invention is by by component A (long response time speed)
Blending ingredients B (fast response speed) reaches stable extinction effect, simultaneously because the Tg temperature of component A and component B is different, this
Invention respectively by component A and component B separate individually with metallic pigments bonding, so as to according to the different Tg of component A and component B
Temperature sets targetedly bonding temperature, while in bonding, addition high-melting-point (140-150 DEG C) polyamide is cured, and powder is helped to exist
Bonding temperature be higher than Tg temperature when will not reunite, allow metallic pigments powder reach Tg temperature or more fully soften glue
Knot, reaches efficient bonding effect.Finally again by bonding complete component A and component B mix, reach stable delustring and efficiently
The combination of bonding effect.
Specific embodiment
To solve existing for existing zero diopter metal powder coating, metallic pigments content is not high, products application is unstable, easy
There is the problems such as pattern and unstable gloss, a kind of high metal pigment content zero diopter powdery paints of present invention proposition and its preparation side
Method.A kind of high metal pigment content zero diopter powdery paints, gloss is stable, metallic pigments additive amount high (up to 12%), answers
With stabilization.
A kind of high metal pigment content zero diopter powdery paints, including component A and component B；The weight percent of the component A
It is 50%；The weight percent of the component B is 50%；The component A, including bottom powder A, metal powder and bonding auxiliary agent；It is described
The weight percent of bottom powder A is 86-98%；The weight percent of the metal powder is 1-12%；The weight of the bonding auxiliary agent
Percentage is 0.5-2%；The bottom powder A, including polyester A, curing agent, filler, levelling agent, degasser and pigment；The polyester A
Weight percent be 60-80%；The weight percent of the curing agent is 2-6%；The weight percent of the filler is 1-
20%；The weight percent of the levelling agent is 0.5-1.5%；The weight percent of the degasser is 0.1-1%；The face
The weight percent of material is 1-30%；The component B, including bottom powder B, metal powder and bonding auxiliary agent；The weight hundred of the bottom powder B
Divide than being 86-98%；The weight percent of the metal powder is 1-12%；The weight percent of the bonding auxiliary agent is 0.5-
2%；The bottom powder B, including polyester B, curing agent, filler, levelling agent, degasser and pigment；The weight percent of the polyester B
For 60-80%；The weight percent of the curing agent is 4-8%；The weight percent of the filler is 1-20%；The levelling
The weight percent of agent is 1-20%；The weight percent of the degasser is 0.1-1%；The weight percent of the pigment is
1-30%.
Further, the polyester A is the saturated carboxyl polyester resin of acid value 20-35.
Further, the curing agent is beta-hydroxy alkylamide (HAA) or triglycidyl group chlorinated isocyanurates
(TGIC) one or more combinations.
Further, the filler is one or more combinations of barium sulfate, calcium carbonate, aluminium hydroxide.
Further, the levelling agent is acrylate levelling agent.
Further, the degasser is styrax.
Further, the pigment is inorganic or organic pigment one or more combinations.
Further, the metal powder is one or more combinations of aluminium powder, mica powder, copper powder；The grain size of the aluminium powder
It is 5-80 microns；The grain size of the mica powder is 5-150 microns；The grain size 5-80 of the copper powder is micron.
Further, the bonding auxiliary agent is that polyamide is cured, and the cured fusing point of the polyamide is 140-150 DEG C, intermediate value
2-5 microns of grain size.
The preparation method of high metal pigment content zero diopter powdery paints of the present invention, includes the following steps：
Step S1：High-speed mixer is added in polyester resin A, curing agent, levelling agent, degasser, filler and pigment,
It is mixed 3-5 minutes under 300-500rpm, obtains mixture.
Step S2：Step 1 gained mixture is squeezed out through double screw extruder, obtains sheet stock；By the sheet stock through cooling, broken
After broken, the bottom powder A of median particle diameter 30-50um is ground into through air classification mill ACM；The reaction temperature of the bottom powder A is 180-200
DEG C, the reaction time is 10-15 minutes.
Step S3：High-speed mixer is added in polyester resin B, curing agent, levelling agent, degasser, filler and pigment,
It is mixed 3-5 minutes under 300-500rpm, obtains mixture.
Step S4：Mixture obtained by step S3 is squeezed out through double screw extruder, obtains sheet stock；By the sheet stock through cooling,
After broken, the bottom powder B of median particle diameter 30-50um is ground into through air classification mill ACM；The reaction temperature of the bottom powder B is 180-
200 DEG C, the reaction time is 5-10 minutes.
Step S5：The glass transition temperature (TgA) of bottom powder A is measured, then bottom powder A is added in bonding machines, adds bonding
Auxiliary agent and required metallic pigments, setting bonding temperature ratio TgA high 3-8 DEG C, bonding rotating speed 500-1000rpm, bonding time 2-10
Minute；After the completion of bonding, 160 mesh screens are crossed, obtain component A, it is spare.It is understood that wherein, the addition of the bonding auxiliary agent
Help bottom powder when temperature is higher than bottom powder Tg, under the bonding rotating speed of setting and time, powder is not reunited, and improves metal face
The bonding efficiency of material and bottom powder.
Step S6：The glass transition temperature (TgB) of bottom powder B is measured, then bottom powder B is added in bonding machines, adds bonding
Auxiliary agent and required metallic pigments, setting bonding temperature ratio TgB high 3-8 DEG C, bonding rotating speed 500-1000rpm, bonding time 2-10
Minute；After the completion of bonding, 160 mesh screens are crossed, obtain component B, it is spare.It is understood that wherein, the addition of the bonding auxiliary agent
Help bottom powder when temperature is higher than bottom powder Tg, under the bonding rotating speed of setting and time, powder is not reunited, and improves metal face
The bonding efficiency of material and bottom powder.
Step S7：High-speed mixer is added in component B obtained by component A obtained by step S5 and step S6, in 100-300rpm
Lower mixing 3-5 minutes crosses 160 mesh sieve, obtains finished product.
It will be appreciated by persons skilled in the art that in the specific implementation, by preparing component A and component B, then by group
Part A is mixed with component B by mutually year-on-year row, due to the reaction speed difference of component A and component B, when two components cure at the same time
Different shrinking percentages is will produce, to generate photoextinction so that gloss is between the angle of 35-70%/60 degree；
In addition, the Tg points of bottom powder A and bottom powder B are different, bottom powder A and bottom powder B are separated into bonding in bonding, so as to set
Fixed corresponding bonding temperature, reaches bonding effect of optimization.It is helped since bonding during bottom powder A and bottom powder B are in bonding, is added
Agent so that bonding temperature can be increased to powder Tg temperature or more without generating reunion, to reach bonding effect of optimization.
Embodiment 1
A kind of high metal pigment content zero diopter powdery paints, including component A and component B；The weight percent of the component A
It is 50%；The weight percent of the component B is 50%；The component A, including bottom powder A, metal powder and bonding auxiliary agent；It is described
The weight percent of bottom powder A is 86%；The weight percent of the metal powder is 1%；The weight percent of the bonding auxiliary agent
It is 0.5%；The bottom powder A, including polyester A, curing agent, filler, levelling agent, degasser and pigment；The weight hundred of the polyester A
Divide than being 60%；The weight percent of the curing agent is 2%；The weight percent of the filler is 1%；The levelling agent
Weight percent is 0.5%；The weight percent of the degasser is 0.1%；The weight percent of the pigment is 1%；Institute
State component B, including bottom powder B, metal powder and bonding auxiliary agent；The weight percent of the bottom powder B is 86%；The weight of the metal powder
It is 1% to measure percentage；The weight percent of the bonding auxiliary agent is 0.5%；The bottom powder B, including polyester B, curing agent, fill out
Material, levelling agent, degasser and pigment；The weight percent of the polyester B is 60%；The weight percent of the curing agent is
4%；The weight percent of the filler is 1%；The weight percent of the levelling agent is 1%；The weight hundred of the degasser
Divide than being 0.1%；The weight percent of the pigment is 10%.The polyester A is the saturated carboxyl polyester resin of acid value 20.Institute
It is beta-hydroxy alkylamide (HAA) to state curing agent.The filler is barium sulfate.The levelling agent is acrylate levelling agent.It is described
Degasser is styrax.The pigment is inorganic.The metal powder is aluminium powder.The grain size of the aluminium powder is 5 microns.The bonding
Auxiliary agent is that polyamide is cured, and the cured fusing point of the polyamide is 140 DEG C, 2 microns of median particle diameter.
The preparation method of high metal pigment content zero diopter powdery paints of the present invention, includes the following steps：
Step S1：High-speed mixer is added in polyester resin A, curing agent, levelling agent, degasser, filler and pigment,
It is mixed 3 minutes under 300rpm, obtains mixture.
Step S2：Step 1 gained mixture is squeezed out through double screw extruder, obtains sheet stock；By the sheet stock through cooling, broken
After broken, the bottom powder A of median particle diameter 30 is ground into through air classification mill ACM；The reaction temperature of the bottom powder A is 180 DEG C, when reaction
Between be 10 minutes.
Step S3：High-speed mixer is added in polyester resin B, curing agent, levelling agent, degasser, filler and pigment,
It is mixed 3 minutes under 300rpm, obtains mixture.
Step S4：Mixture obtained by step S3 is squeezed out through double screw extruder, obtains sheet stock；By the sheet stock through cooling,
After broken, the bottom powder B of median particle diameter 30um is ground into through air classification mill ACM；The reaction temperature of the bottom powder B is 180 DEG C, instead
It is 5 minutes between seasonable.
Step S5：The glass transition temperature (TgA) of bottom powder A is measured, then bottom powder A is added in bonding machines, adds bonding
Auxiliary agent and required metallic pigments, 3 DEG C, bonding rotating speed 500rpm of setting bonding temperature ratio TgA high, 2 minutes bonding time；Bonding is complete
Cheng Hou crosses 160 mesh screens, obtains component A, spare.
Step S6：The glass transition temperature (TgB) of bottom powder B is measured, then bottom powder B is added in bonding machines, adds bonding
Auxiliary agent and required metallic pigments, 3 DEG C, bonding rotating speed 500rpm of setting bonding temperature ratio TgB high, 2 minutes bonding time；Bonding is complete
Cheng Hou crosses 160 mesh screens, obtains component B, spare.
Step S7：High-speed mixer is added in component B obtained by component A obtained by step S5 and step S6, is mixed at 100 rpm
It closes 3 minutes, crosses 160 mesh sieve, obtain finished product.
Embodiment 2
A kind of high metal pigment content zero diopter powdery paints, including component A and component B；The weight percent of the component A
It is 50%；The weight percent of the component B is 50%；The component A, including bottom powder A, metal powder and bonding auxiliary agent；It is described
The weight percent of bottom powder A is 98%；The weight percent of the metal powder is 12%；The weight percent of the bonding auxiliary agent
It is 2%；The bottom powder A, including polyester A, curing agent, filler, levelling agent, degasser and pigment；The weight percent of the polyester A
Than being 80%；The weight percent of the curing agent is 6%；The weight percent of the filler is 20%；The levelling agent
Weight percent is 1.5%；The weight percent of the degasser is 1%；The weight percent of the pigment is 30%；It is described
Component B, including bottom powder B, metal powder and bonding auxiliary agent；The weight percent of the bottom powder B is 98%；The weight of the metal powder
Percentage is 12%；The weight percent of the bonding auxiliary agent is 2%；The bottom powder B, including polyester B, curing agent, filler, stream
Flat agent, degasser and pigment；The weight percent of the polyester B is 80%；The weight percent of the curing agent is 8%；Institute
The weight percent for stating filler is 20%；The weight percent of the levelling agent is 20%；The weight percent of the degasser
It is 1%；The weight percent of the pigment is 30%.The polyester A is the saturated carboxyl polyester resin of acid value 35.The solidification
Agent is triglycidyl group chlorinated isocyanurates (TGIC).The filler is calcium carbonate.The levelling agent is acrylate levelling agent.
The degasser is styrax.The pigment is organic pigment.The metal powder is mica powder.The grain size of the mica powder is
150 microns.The bonding auxiliary agent is that polyamide is cured, and the cured fusing point of the polyamide is 150 DEG C, 5 microns of median particle diameter.
The preparation method of high metal pigment content zero diopter powdery paints of the present invention, includes the following steps：
Step S1：High-speed mixer is added in polyester resin A, curing agent, levelling agent, degasser, filler and pigment,
It is mixed 5 minutes under 500rpm, obtains mixture.
Step S2：Step 1 gained mixture is squeezed out through double screw extruder, obtains sheet stock；By the sheet stock through cooling, broken
After broken, the bottom powder A of median particle diameter 30-50um is ground into through air classification mill ACM；The reaction temperature of the bottom powder A is 200 DEG C,
Reaction time is 15 minutes.
Step S3：High-speed mixer is added in polyester resin B, curing agent, levelling agent, degasser, filler and pigment,
It is mixed 5 minutes under 500rpm, obtains mixture.
Step S4：Mixture obtained by step S3 is squeezed out through double screw extruder, obtains sheet stock；By the sheet stock through cooling,
After broken, the bottom powder B of median particle diameter 50um is ground into through air classification mill ACM；The reaction temperature of the bottom powder B is 200 DEG C, instead
It is 10 minutes between seasonable.
Step S5：The glass transition temperature (TgA) of bottom powder A is measured, then bottom powder A is added in bonding machines, adds bonding
Auxiliary agent and required metallic pigments, 8 DEG C, bonding rotating speed 1000rpm of setting bonding temperature ratio TgA high, 10 minutes bonding time；Bonding
After the completion, 160 mesh screens are crossed, component A is obtained, it is spare.It is understood that wherein, the addition of the bonding auxiliary agent helps bottom powder
When temperature is higher than bottom powder Tg, under the bonding rotating speed of setting and time, powder is not reunited, and improves metallic pigments and bottom powder
Bonding efficiency.
Step S6：The glass transition temperature (TgB) of bottom powder B is measured, then bottom powder B is added in bonding machines, adds bonding
Auxiliary agent and required metallic pigments, 8 DEG C, bonding rotating speed 1000rpm of setting bonding temperature ratio TgB high, 10 minutes bonding time；Bonding
After the completion, 160 mesh screens are crossed, component B is obtained, it is spare.It is understood that wherein, the addition of the bonding auxiliary agent helps bottom powder
When temperature is higher than bottom powder Tg, under the bonding rotating speed of setting and time, powder is not reunited, and improves metallic pigments and bottom powder
Bonding efficiency.
Step S7：High-speed mixer is added in component B obtained by component A obtained by step S5 and step S6, is mixed at 300 rpm
It closes 5 minutes, crosses 160 mesh sieve, obtain finished product.
Embodiment 3
A kind of high metal pigment content zero diopter powdery paints, including component A and component B；The weight percent of the component A
It is 50%；The weight percent of the component B is 50%；The component A, including bottom powder A, metal powder and bonding auxiliary agent；It is described
The weight percent of bottom powder A is 90%；The weight percent of the metal powder is 10%；The weight percent of the bonding auxiliary agent
It is 1%；The bottom powder A, including polyester A, curing agent, filler, levelling agent, degasser and pigment；The weight percent of the polyester A
Than being 70%；The weight percent of the curing agent is 4%；The weight percent of the filler is 10%；The levelling agent
Weight percent is 1%；The weight percent of the degasser is 0.5%；The weight percent of the pigment is 15%；It is described
Component B, including bottom powder B, metal powder and bonding auxiliary agent；The weight percent of the bottom powder B is 90%；The weight of the metal powder
Percentage is 6%；The weight percent of the bonding auxiliary agent is 1%；The bottom powder B, including polyester B, curing agent, filler, stream
Flat agent, degasser and pigment；The weight percent of the polyester B is 70%；The weight percent of the curing agent is 6%；Institute
The weight percent for stating filler is 10%；The weight percent of the levelling agent is 10%；The weight percent of the degasser
It is 0.5%；The weight percent of the pigment is 15%.The polyester A is the saturated carboxyl polyester resin of 30 values 4.It is described solid
Agent is beta-hydroxy alkylamide (HAA) and triglycidyl group chlorinated isocyanurates (TGIC).The filler is barium sulfate, calcium carbonate
And aluminium hydroxide.The levelling agent is acrylate levelling agent.The degasser is styrax.The pigment is inorganic and organic
Pigment.The metal powder is aluminium powder, mica powder and copper powder；The grain size of the aluminium powder is 60 microns；The grain size of the mica powder is
100 microns；The grain size 60 of the copper powder is micron.The bonding auxiliary agent is that polyamide is cured, and the cured fusing point of the polyamide is
145 DEG C, 4 microns of median particle diameter.
The preparation method of high metal pigment content zero diopter powdery paints of the present invention, includes the following steps：
Step S1：High-speed mixer is added in polyester resin A, curing agent, levelling agent, degasser, filler and pigment,
It is mixed 4 minutes under 400rpm, obtains mixture.
Step S2：Step 1 gained mixture is squeezed out through double screw extruder, obtains sheet stock；By the sheet stock through cooling, broken
After broken, the bottom powder A of median particle diameter 40um is ground into through air classification mill ACM；The reaction temperature of the bottom powder A is 190 DEG C, reaction
Time is 12 minutes.
Step S3：High-speed mixer is added in polyester resin B, curing agent, levelling agent, degasser, filler and pigment,
It is mixed 4 minutes under 400rpm, obtains mixture.
Step S4：Mixture obtained by step S3 is squeezed out through double screw extruder, obtains sheet stock；By the sheet stock through cooling,
After broken, the bottom powder B of median particle diameter 40um is ground into through air classification mill ACM；The reaction temperature of the bottom powder B is 190 DEG C, instead
It is 7 minutes between seasonable.
Step S5：The glass transition temperature (TgA) of bottom powder A is measured, then bottom powder A is added in bonding machines, adds bonding
Auxiliary agent and required metallic pigments, 6 DEG C, bonding rotating speed 700rpm of setting bonding temperature ratio TgA high, 6 minutes bonding time；Bonding is complete
Cheng Hou crosses 160 mesh screens, obtains component A, spare.It is understood that wherein, the addition of the bonding auxiliary agent helps bottom powder to exist
When temperature is higher than bottom powder Tg, under the bonding rotating speed of setting and time, powder is not reunited, and improves metallic pigments and bottom powder
Bonding efficiency.
Step S6：The glass transition temperature (TgB) of bottom powder B is measured, then bottom powder B is added in bonding machines, adds bonding
Auxiliary agent and required metallic pigments, 5 DEG C, bonding rotating speed 600rpm of setting bonding temperature ratio TgB high, 8 minutes bonding time；Bonding is complete
Cheng Hou crosses 160 mesh screens, obtains component B, spare.It is understood that wherein, the addition of the bonding auxiliary agent helps bottom powder to exist
When temperature is higher than bottom powder Tg, under the bonding rotating speed of setting and time, powder is not reunited, and improves metallic pigments and bottom powder
Bonding efficiency.
Step S7：High-speed mixer is added in component B obtained by component A obtained by step S5 and step S6, is mixed at 200 rpm
It closes 4 minutes, crosses 160 mesh sieve, obtain finished product.
The advantageous effects of invention high metal pigment content zero diopter powdery paints and preparation method thereof are：Metal effect powder
Last coating has higher protective value and decoration performance, and coating gloss is between the angle of 35-70%/60 degree, the metal of preparation
Pigment content is more than 10%, can stable application zero diopter metal powder coating.The present invention passes through component A (long response time speed) is mixed
A point B (fast response speed) is combined to reach stable extinction effect, simultaneously because the Tg temperature of component A and component B is different, this hair
It is bright respectively by component A and component B separate individually with metallic pigments bonding, so as to according to the different Tg temperature of component A and component B
Degree sets targetedly bonding temperature, while in bonding, addition high-melting-point (140-150 DEG C) polyamide is cured, helps powder in nation
Constant temperature degree be higher than Tg temperature when will not reunite, allow metallic pigments powder reach Tg temperature or more fully soften glue
Knot, reaches efficient bonding effect.Finally again by bonding complete component A and component B mix, reach stable delustring and efficiently
The combination of bonding effect.
Claims (10)
1. a kind of high metal pigment content zero diopter powdery paints, which is characterized in that including
Component A and component B；The weight percent of the component A is 50%；The weight percent of the component B is 50%；
The component A, including bottom powder A, metal powder and bonding auxiliary agent；The weight percent of the bottom powder A is 86-98%；It is described
The weight percent of metal powder is 1-12%；The weight percent of the bonding auxiliary agent is 0.5-2%；
The bottom powder A, including polyester A, curing agent, filler, levelling agent, degasser and pigment；The weight percent of the polyester A
For 60-80%；The weight percent of the curing agent is 2-6%；The weight percent of the filler is 1-20%；The levelling
The weight percent of agent is 0.5-1.5%；The weight percent of the degasser is 0.1-1%；The weight percent of the pigment
Than for 1-30%；
The component B, including bottom powder B, metal powder and bonding auxiliary agent；The weight percent of the bottom powder B is 86-98%；It is described
The weight percent of metal powder is 1-12%；The weight percent of the bonding auxiliary agent is 0.5-2%；
The bottom powder B, including polyester B, curing agent, filler, levelling agent, degasser and pigment；The weight percent of the polyester B
For 60-80%；The weight percent of the curing agent is 4-8%；The weight percent of the filler is 1-20%；The levelling
The weight percent of agent is 1-20%；The weight percent of the degasser is 0.1-1%；The weight percent of the pigment is
1-30%.
2. high metal pigment content zero diopter powdery paints according to claim 1, which is characterized in that the polyester A is acid
The saturated carboxyl polyester resin of value 20-35.
3. high metal pigment content zero diopter powdery paints according to claim 1, which is characterized in that the curing agent is β-
One or more combinations of hydroxyalkyl amide (HAA) or triglycidyl group chlorinated isocyanurates (TGIC).
4. high metal pigment content zero diopter powdery paints according to claim 1, which is characterized in that the filler is sulfuric acid
One or more combinations of barium, calcium carbonate, aluminium hydroxide.
5. high metal pigment content zero diopter powdery paints according to claim 1, which is characterized in that the levelling agent is third
Olefin(e) acid ester levelling agent.
6. high metal pigment content zero diopter powdery paints according to claim 1, which is characterized in that the degasser is peace
Breath is fragrant.
7. high metal pigment content zero diopter powdery paints according to claim 1, which is characterized in that the pigment is inorganic
Or one or more combinations of organic pigment.
8. high metal pigment content zero diopter powdery paints according to claim 1, which is characterized in that the metal powder is aluminium
One or more combinations of powder, mica powder, copper powder；The grain size of the aluminium powder is 5-80 microns；The grain size of the mica powder is
5-150 microns；The grain size 5-80 of the copper powder is micron.
9. high metal pigment content zero diopter powdery paints according to claim 1, which is characterized in that the bonding auxiliary agent is
Polyamide is cured, and the cured fusing point of the polyamide is 140-150 DEG C, 2-5 microns of median particle diameter.
10. a kind of preparation method of high metal pigment content zero diopter powdery paints contains for high metal pigment described in claim 1
The preparation method for measuring zero diopter powdery paints, includes the following steps：
Step S1：High-speed mixer is added in polyester resin A, curing agent, levelling agent, degasser, filler and pigment, in 300-
It is mixed 3-5 minutes under 500rpm, obtains mixture.
Step S2：Step 1 gained mixture is squeezed out through double screw extruder, obtains sheet stock；By the sheet stock through cooling, broken
Afterwards, the bottom powder A of median particle diameter 30-50um is ground into through air classification mill ACM；The reaction temperature of the bottom powder A is 180-200
DEG C, the reaction time is 10-15 minutes.
Step S3：High-speed mixer is added in polyester resin B, curing agent, levelling agent, degasser, filler and pigment, in 300-
It is mixed 3-5 minutes under 500rpm, obtains mixture.
Step S4：Mixture obtained by step S3 is squeezed out through double screw extruder, obtains sheet stock；By the sheet stock through cooling, broken
Afterwards, the bottom powder B of median particle diameter 30-50um is ground into through air classification mill ACM；The reaction temperature of the bottom powder B is 180-200
DEG C, the reaction time is 5-10 minutes.
Step S5：The glass transition temperature (TgA) of bottom powder A is measured, then bottom powder A is added in bonding machines, adds bonding auxiliary agent
And required metallic pigments, setting bonding temperature ratio TgA high 3-8 DEG C, bonding rotating speed 500-1000rpm, 2-10 minutes bonding time；
After the completion of bonding, 160 mesh screens are crossed, obtain component A, it is spare.
Step S6：The glass transition temperature (TgB) of bottom powder B is measured, then bottom powder B is added in bonding machines, adds bonding auxiliary agent
And required metallic pigments, setting bonding temperature ratio TgB high 3-8 DEG C, bonding rotating speed 500-1000rpm, 2-10 minutes bonding time；
After the completion of bonding, 160 mesh screens are crossed, obtain component B, it is spare；
Step S7：High-speed mixer is added in component B obtained by component A obtained by step S5 and step S6, is mixed at 100-300rpm
It closes 3-5 minutes, crosses 160 mesh sieve, obtain finished product.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN114276740A (en) * | 2021-11-22 | 2022-04-05 | 科浦勒塑料粉末(佛山)有限公司 | Weather-resistant light energy storage metal powder coating and preparation method thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090252869A1 (en) * | 2008-04-07 | 2009-10-08 | Antonio Rodrigo | Powder coating composition |
| CN102002308A (en) * | 2010-11-19 | 2011-04-06 | 温州市立邦塑粉有限公司 | Extinction powder coating |
| CN103319993A (en) * | 2013-04-26 | 2013-09-25 | 安徽美佳新材料股份有限公司 | Matt dry-mixing powder coating material and production method thereof |
| CN103642290A (en) * | 2013-11-29 | 2014-03-19 | 六安市捷通达化工有限责任公司 | Preparation method of metal-effect powder paint |
| CN104877539A (en) * | 2015-06-08 | 2015-09-02 | 山东朗法博粉末涂装科技有限公司 | Metal bonding powder coating with mirror-like silver effect as well as preparation method and application thereof |
| CN105273583A (en) * | 2015-11-06 | 2016-01-27 | 广州擎天材料科技有限公司 | Weather-resistant pearl powder coating special for aluminum material and preparation method of weather-resistant pearl powder coating |
| WO2016048792A1 (en) * | 2014-09-22 | 2016-03-31 | Valspar Sourcing, Inc. | Microwave bonding for coating compositions |
-
2018
- 2018-04-27 CN CN201810392261.0A patent/CN108641560A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090252869A1 (en) * | 2008-04-07 | 2009-10-08 | Antonio Rodrigo | Powder coating composition |
| CN102002308A (en) * | 2010-11-19 | 2011-04-06 | 温州市立邦塑粉有限公司 | Extinction powder coating |
| CN103319993A (en) * | 2013-04-26 | 2013-09-25 | 安徽美佳新材料股份有限公司 | Matt dry-mixing powder coating material and production method thereof |
| CN103642290A (en) * | 2013-11-29 | 2014-03-19 | 六安市捷通达化工有限责任公司 | Preparation method of metal-effect powder paint |
| WO2016048792A1 (en) * | 2014-09-22 | 2016-03-31 | Valspar Sourcing, Inc. | Microwave bonding for coating compositions |
| CN104877539A (en) * | 2015-06-08 | 2015-09-02 | 山东朗法博粉末涂装科技有限公司 | Metal bonding powder coating with mirror-like silver effect as well as preparation method and application thereof |
| CN105273583A (en) * | 2015-11-06 | 2016-01-27 | 广州擎天材料科技有限公司 | Weather-resistant pearl powder coating special for aluminum material and preparation method of weather-resistant pearl powder coating |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN114276740A (en) * | 2021-11-22 | 2022-04-05 | 科浦勒塑料粉末(佛山)有限公司 | Weather-resistant light energy storage metal powder coating and preparation method thereof |
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