CN107603430A - A kind of thermal transfer powdery paints and preparation method thereof - Google Patents
A kind of thermal transfer powdery paints and preparation method thereof Download PDFInfo
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- CN107603430A CN107603430A CN201710848825.2A CN201710848825A CN107603430A CN 107603430 A CN107603430 A CN 107603430A CN 201710848825 A CN201710848825 A CN 201710848825A CN 107603430 A CN107603430 A CN 107603430A
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Abstract
The present invention discloses a kind of thermal transfer powdery paints and preparation method thereof, and the material used includes 15 20 parts of 10 15 parts of 35 parts of 12 parts of 23 parts of 30 35 parts of 50 60 parts of polyester resin, methyl phenyl silicone resin, methyl ethyl ketone peroxide, titanate coupling agent, levelling agent, titanium dioxide, inorganic ceramic pigment and 1 part of styrax according to the mass fraction.Surface is smooth after obtained thermal transfer powdery paints film forming, carries out that thermal deformation does not occur during transfer hot-working, surfacing, clean mark, pattern are true to nature after transfer.
Description
Technical field
The invention belongs to powder coating technology field, specifically a kind of thermal transfer powdery paints and preparation method thereof.
Background technology
Thermal transfer is an emerging typography, by incoming only 10 years of foreign countries.The technique mode of printing
Pattern is pre-printed on transfer film, the pattern on transfer film is transferred in by product surface by heat transfer machine time processing, into
After type ink layer with product surface is molten is integrated, it is true to nature beautiful, greatly improve the class of product.But due to the technology content
Higher, many materials are both needed to import.
Glass plate, metallic plate etc. are carried out to need first to coat thermal transfer coating on its surface during thermal transfer, at present thermal transfer
Coating is mostly liquid coating, has used organic solvent etc. often to have toxicity in coating, harmful, has pollution to environment.
Powdery paints be it is a kind of it is new, without solvent, easily operated, the environmental protection coating material of 100% solid powdery, utilization ratio is high,
Existing not smooth enough the exquisiteness in surface to be present for thermal transfer powdery paints, texture is not clear true to nature enough after transfer, and transfer heat adds
The defects of thermal deformation causes surface breakdown can occur for man-hour.
The content of the invention
Goal of the invention：The purpose of the present invention be directed to current technology in deficiency, there is provided a kind of thermal transfer powdery paints and
Its preparation method, surface is smooth after obtained powdery paints film forming, carries out that thermal deformation does not occur during transfer hot-working, table after transfer
Face is smooth, clean mark, pattern are true to nature, while the powdery paints can be reclaimed and reprocessed.
Technical scheme：To achieve the above object, the present invention provides a kind of thermal transfer powdery paints and preparation method thereof, its specific step
It is rapid as follows：
A, raw material are weighed, and prepare following raw material according to the mass fraction：
Polyester resin 50-60 parts；
Methyl phenyl silicone resin 30-35 parts；
Methyl ethyl ketone peroxide 2-3 parts；
Titanate coupling agent 1-2 parts；
Levelling agent 3-5 parts；
Titanium dioxide 10-15 parts；
Inorganic ceramic pigment 15-20 parts；
1 part of styrax；
B, ready raw material in step a are added in blender rice plug carat cylinder, be pre-mixed, incorporation time is：It is low
Speed 2 minutes, 6 minutes at a high speed；Low rotation speed is 100r/min, and high speed rotating speed is 300r/min；
C, the mixing material being well mixed in step b is put into double screw extruder and carries out extruding extrusion, machine cavity melting temperature
For 150-160 DEG C, extruder head temperature is 165-170 DEG C, material lagging time 50-60s；
D, the mixture for extruding extruder in step c is sent into tablet press machine and carries out tabletting, cooling and crush, and obtains bulky grain mixing
Thing；
E, bulky grain mixture in step d is sent into progress Crushing of Ultrafine in pulverizer and obtains powder；
F, the powder obtained in step e feeding automatic sieving recycling machine is sieved, sieves qualified powder as obtained heat
Powdery paints finished product is transferred, underproof Powder Recovery is sent into extruder；
G, obtained thermal transfer powdery paints finished product in step f is made to be packed.
Preferably, the polyester resin described in step a is terminal hydroxy group saturated polyester resin, acid value 35-45mgKOH/g；
Preferably, extruder machine cavity melting workshop section technique is specific as follows in step c：
Leading portion I areas temperature is 150-155 DEG C；
Back segment II areas temperature is 155-160 DEG C；
Screw speed 45-50r/min.
Automatic sieving recycling machine described in step f, including it is body, vibrating screen panel, charging aperture, discharging opening, reclaiming chamber, defeated
Pipe, strong fan and material barrel are sent, the body is the casing of upper and lower opening, and top is charging aperture, and bottom is discharging opening；Vibrations
Screen cloth is 100-150 mesh, and vibrating screen panel is arranged on body, vibrating screen panel slant setting, reclaiming chamber is set in vibrating screen panel low side；
Reclaiming chamber side is provided with hole connecting conveying pipe, and one end is connected with reclaiming chamber in delivery pipe is provided with screen pack, and screen pack mesh number is
40 mesh, delivery pipe other end connection material barrel；Material barrel is cylinder, is placed on above extruder charging basket, material barrel bottom is
Reverse frustoconic, round platform bottom surface are provided with 6 circular material spilling holes being distributed uniformly and circumferentially, the connection of round platform bottom surface circle centre position
There is a cylinder guide rod, lower end of the guide rod sets limited location plectane, and spacing plectane diameter is more than guide rod diameter, a work is provided with guide rod
Dynamic rubber thin discs, active rubber thin discs circle centre position have circular hole, and circular hole coordinates with guide rod allows rubber thin discs leading
Slided on bar；Circular hole is provided with the top of material barrel, Air Filter is provided with circular hole, Air Filter is 180 mesh, and Air Filter is externally connected with
Strong fan.
Preferably, the vibrating screen panel is 120 mesh.
Beneficial effect：The polyester resin that a kind of thermal transfer powdery paints of the present invention uses is that the higher terminal hydroxy group of acid value is satisfied
And polyester resin, there is preferable crosslink density during coating film forming, under the titanate coupling agent effect of addition with aminomethyl phenyl
Silicones is crosslinked, and the preferable heat resistance of methyl phenyl silicone resin and intensity are provided simultaneously with after obtained powdery paints film forming.
Methyl ethyl ketone peroxide can make polyester resin and methyl phenyl silicone resin thermal post curing as a kind of fixative.
Titanate coupling agent has the function that raising inorganic filler is dispersed in the polymer, can make the powdery paints
Coating color is more bright-coloured beautiful after coating, while titanate coupling agent can improve strength of coating, promotes paint solidification, lowers
Baking temperature and shortening baking time.
Inorganic ceramic pigment true qualities are bright-colored and powder particle is tiny, are mixed in the powdery paints, coordinate
The use of levelling agent, surface is smooth after can making powdery paints coating film forming, has glaze paint texture, is very suitable for being transferred, and
And pigment color can be selected according to demand using inorganic ceramic pigment.
Surface is smooth after described a kind of thermal transfer powdery paints and preparation method thereof provides a kind of film forming, after transfer not
The thermal transfer powdery paints for the defects of thermal deformation and pyrocondensation occurs, in dope preparing process, a kind of automatic recovery sieve is used
Extension set, while being sieved to powdery paints, underproof Powder Recovery feeding extruder barrel is processed again, it is less
Waste, energy-conserving and environment-protective.
Brief description of the drawings
Fig. 1, the thermal transfer powdery paints preparation method flow chart；
Fig. 2, the automatic recovery screening machine structural representation；
Fig. 3, the automatic recovery screening machine material barrel partial enlarged drawing；
Reference numerals list：1st, body, 2, vibrating screen panel, 3, charging aperture, 4, discharging opening, 5, reclaiming chamber, 6, delivery pipe, 7, strength
Blower fan, 8, material barrel, 9, extruder, 10, screen pack, 11, Air Filter, 81, material spilling hole, 82, guide rod, 83, spacing plectane, 84,
Rubber thin discs, 91, extruder barrel.
Embodiment
Below with embodiment, the present invention is furture elucidated, it should be understood that following embodiments are merely to illustrate
The present invention rather than limitation the scope of the present invention.
Described automatic recovery screening machine is specifically described with reference to accompanying drawing first：
As shown in Fig. 2 and 3, a kind of automatic recovery screening machine, including body 1, vibrating screen panel 2, charging aperture 3, discharging opening 4, recovery
Chamber 5, delivery pipe 6, strong fan 7 and material barrel 8, the body 1 are the casing of upper and lower opening, and top is charging aperture 3, and bottom is
Discharging opening 4；Vibrating screen panel 2 is 120 mesh, and vibrating screen panel 2 is arranged on body 1, and the slant setting of vibrating screen panel 2 is low in vibrating screen panel 2
End sets reclaiming chamber 5；The side of reclaiming chamber 5 is provided with hole connecting conveying pipe 6, and being connected one end with reclaiming chamber 5 in delivery pipe 6 was provided with
Filter screen 10, the mesh number of screen pack 10 are 40 mesh, and the other end of delivery pipe 6 connects material barrel 8；Material barrel 8 is cylinder, is placed on extrusion
The top of machine charging basket 91, the bottom of material barrel 8 is reverse frustoconic, and round platform bottom surface is provided with 6 circles being distributed uniformly and circumferentially
Material spilling hole 81, round platform bottom surface circle centre position is connected with a cylinder guide rod 82, and the lower end of guide rod 82 sets limited location plectane 83, spacing circle
The diameter of plate 83 is more than the diameter of guide rod 82, and an active rubber thin discs 84, the center of circle of active rubber thin discs 84 are provided with guide rod 82
There is circular hole at place, and circular hole coordinates with guide rod 82 allows rubber thin discs 84 to be slided on guide rod 82；The open top of material barrel 8,
Air Filter 11 is provided with, Air Filter 11 is 180 mesh, and Air Filter 11 is externally connected with strong fan 7.
During the automatic recovery screening machine work, the powder after Crushing of Ultrafine is poured into from charging aperture 3, powder passes through reciprocating sieve
The screening of net 2, it is qualified powder by the powder of vibrating screen panel 2, is discharged from discharging opening 4, carries out finished product packing.Vibrations are not passed through
The powder of screen cloth 2 is unqualified powder, enters reclaiming chamber 5 from the low side of vibrating screen panel 2.Strong fan 7 is opened on material barrel 8, will
Air is suctioned out in material barrel 8, and negative pressure is formed in the material barrel 8 and delivery pipe 6 for being, the material spilling hole 81 of the bottom of material barrel 8 goes out to produce
Big suction, now rubber thin discs 84 drawn by suction, to the basal sliding of material barrel 8 until attach in material on guide rail 82
Material spilling hole 81 is simultaneously blocked in 8 bottoms of bucket, and due to the pressure difference inside and outside material barrel 8, rubber thin discs 84 are tightly attached to the bottom of material barrel 8；
Powerful negative pressure is produced in delivery pipe 6, unqualified powder is inhaled into delivery pipe 6 in reclaiming chamber 5, and unqualified powder is when being inhaled into
By the screening of screen pack 10, prevent other outer debris of unqualified powder from entering, unqualified powder after delivery pipe 6 by reaching thing
In charging basket 8, it is stored in by the barrier of Air Filter 11 of the top of material barrel 8 in material barrel 8, unqualified powder is in material barrel 8
Suspended state, make Brownian movement.After all powder sieves, the unqualified powder in reclaiming chamber 5 is all sucked material
In bucket 8, strong fan 7 is closed, now pressure recovers normal in material barrel 8, and unqualified powder falls under gravity, together
When rubber thin discs 84 glided under gravity along guide rail 82, blocked until being limited disk 83, now unqualified powder
Spilt by material spilling hole 81, into the extruder barrel 91 on lower section extruder 9, it is achieved thereby that unqualified powder returns
Receive.
The preparation method of the thermal transfer powdery paints is furtherd elucidate below by three embodiments：
Embodiment 1
A kind of thermal transfer powdery paints is produced, it is comprised the following steps that：
A kind of thermal transfer powdery paints and preparation method thereof, it is comprised the following steps that：
A, raw material are weighed, and prepare following raw material according to the mass fraction：
Terminal hydroxy group saturated polyester resin（Acid value 35mgKOH/g） 50kg；
Methyl phenyl silicone resin 30kg；
Methyl ethyl ketone peroxide 2kg；
Titanate coupling agent 1kg；
Levelling agent 3kg；
Titanium dioxide 10kg；
Inorganic ceramic pigment 15kg；
Styrax 1kg；
B, ready raw material in step a are added in blender rice plug carat cylinder, be pre-mixed, incorporation time is：It is low
Speed 2 minutes, 6 minutes at a high speed；Low rotation speed is 100r/min, and high speed rotating speed is 300r/min；
C, the mixing material being well mixed in step b is put into double screw extruder and carries out extruding extrusion, machine cavity melting workshop section
Temperature setting is that leading portion I areas temperature is 150 DEG C, and back segment II areas temperature is 155 DEG C, and extruder head temperature is 165 DEG C, screw speed
50r/min, material lagging time 50s；
D, the mixture for extruding extruder in step c is sent into tablet press machine and carries out tabletting, cooling and crush, and obtains bulky grain mixing
Thing；
E, bulky grain mixture in step d is sent into progress Crushing of Ultrafine in pulverizer and obtains powder；
F, the powder obtained in step e feeding automatic sieving recycling machine is sieved, sieve mesh number is 100 mesh, and screening is qualified
Powder be obtained thermal transfer powdery paints finished product, underproof Powder Recovery is sent into extruder；
G, obtained thermal transfer powdery paints finished product in step f is made to be packed.
Embodiment 2
A kind of thermal transfer powdery paints is produced, it is comprised the following steps that：
A kind of thermal transfer powdery paints and preparation method thereof, it is comprised the following steps that：
A, raw material are weighed, and prepare following raw material according to the mass fraction：
Terminal hydroxy group saturated polyester resin（Acid value 40mgKOH/g） 55.4kg；
Methyl phenyl silicone resin 32.7kg；
Methyl ethyl ketone peroxide 2.3kg；
Titanate coupling agent 1.4kg；
Levelling agent 4kg；
Titanium dioxide 13.8kg；
Inorganic ceramic pigment 18kg；
Styrax 1kg；
B, ready raw material in step a are added in blender rice plug carat cylinder, be pre-mixed, incorporation time is：It is low
Speed 2 minutes, 6 minutes at a high speed；Low rotation speed is 100r/min, and high speed rotating speed is 300r/min；
C, the mixing material being well mixed in step b is put into double screw extruder and carries out extruding extrusion, machine cavity melting workshop section
Temperature setting is that leading portion I areas temperature is 153 DEG C, and back segment II areas temperature is 157 DEG C, and extruder head temperature is 168 DEG C, screw speed
47r/min, material lagging time 56s；
D, the mixture for extruding extruder in step c is sent into tablet press machine and carries out tabletting, cooling and crush, and obtains bulky grain mixing
Thing；
E, bulky grain mixture in step d is sent into progress Crushing of Ultrafine in pulverizer and obtains powder；
F, the powder obtained in step e feeding automatic sieving recycling machine is sieved, sieve mesh number is 120 mesh, and screening is qualified
Powder be obtained thermal transfer powdery paints finished product, underproof Powder Recovery is sent into extruder；
G, obtained thermal transfer powdery paints finished product in step f is made to be packed.
Embodiment 3
A kind of thermal transfer powdery paints is produced, it is comprised the following steps that：
A kind of thermal transfer powdery paints and preparation method thereof, it is comprised the following steps that：
A, raw material are weighed, and prepare following raw material according to the mass fraction：
Terminal hydroxy group saturated polyester resin（Acid value 45mgKOH/g） 60kg；
Methyl phenyl silicone resin 35kg；
Methyl ethyl ketone peroxide 3kg；
Titanate coupling agent 2kg；
Levelling agent 5kg；
Titanium dioxide 15kg；
Inorganic ceramic pigment 20kg；
Styrax 1kg；
B, ready raw material in step a are added in blender rice plug carat cylinder, be pre-mixed, incorporation time is：It is low
Speed 2 minutes, 6 minutes at a high speed；Low rotation speed is 100r/min, and high speed rotating speed is 300r/min；
C, the mixing material being well mixed in step b is put into double screw extruder and carries out extruding extrusion, machine cavity melting workshop section
Temperature setting is that leading portion I areas temperature is 155 DEG C, and back segment II areas temperature is 160 DEG C, and extruder head temperature is 170 DEG C, screw speed
45r/min, material lagging time 60s；
D, the mixture for extruding extruder in step c is sent into tablet press machine and carries out tabletting, cooling and crush, and obtains bulky grain mixing
Thing；
E, bulky grain mixture in step d is sent into progress Crushing of Ultrafine in pulverizer and obtains powder；
F, the powder obtained in step e feeding automatic sieving recycling machine is sieved, sieve mesh number is 150 mesh, and screening is qualified
Powder be obtained thermal transfer powdery paints finished product, underproof Powder Recovery is sent into extruder；
G, obtained thermal transfer powdery paints finished product in step f is made to be packed.
Powdery paints obtained by three embodiments is tested, institute's value is as shown in the table：
From above-mentioned test result, though starting components ratio is slightly different in three embodiments, obtained powdery paints
Various aspects of performance is up to state standards, and thermal transfer effect is equal after obtained thermal transfer powdery paints film forming in three embodiments
It is clear true to nature, it is very suitable for being used to carry out thermal transfer printing.
Technological means disclosed in the present invention program is not limited only to the technological means disclosed in above-mentioned embodiment, in addition to by with
Upper technical characteristic is combined formed technical scheme.
Claims (6)
1. a kind of thermal transfer powdery paints, it is characterised in that include following components according to the mass fraction：
Polyester resin 50-60 parts；
Methyl phenyl silicone resin 30-35 parts；
Methyl ethyl ketone peroxide 2-3 parts；
Titanate coupling agent 1-2 parts；
Levelling agent 3-5 parts；
Titanium dioxide 10-15 parts；
Inorganic ceramic pigment 15-20 parts；
1 part of styrax.
2. thermal transfer powdery paints according to claim 1, it is characterised in that comprising according to the mass fraction with the following group
Point：
55.4 parts of polyester resin；
32.7 parts of methyl phenyl silicone resin；
2.3 parts of methyl ethyl ketone peroxide；
1.4 parts of titanate coupling agent；
4 parts of levelling agent；
13.8 parts of titanium dioxide；
18 parts of inorganic ceramic pigment；
1 part of styrax.
3. thermal transfer powdery paints according to claim 1 or 2, it is characterised in that：Polyester resin is that terminal hydroxy group saturation is gathered
Ester resin, acid value 35-45mgKOH/g.
4. a kind of preparation method of thermal transfer powdery paints, it is characterised in that comprise the following steps that：
A, raw material are weighed：Prepare raw material by each component mass fraction in claim 1；
B, ready raw material in step a are added in blender rice plug carat cylinder, be pre-mixed, incorporation time is：It is low
Speed 2 minutes, 6 minutes at a high speed；Low rotation speed is 100r/min, and high speed rotating speed is 300r/min；
C, the mixing material being well mixed in step b is put into double screw extruder and carries out extruding extrusion, machine cavity melting temperature
For 150-160 DEG C, extruder head temperature is 165-170 DEG C, material lagging time 50-60s；
D, the mixture for extruding extruder in step c is sent into tablet press machine and carries out tabletting, cooling and crush, and obtains bulky grain mixing
Thing；
E, bulky grain mixture in step d is sent into progress Crushing of Ultrafine in pulverizer and obtains powder；
F, the powder obtained in step e feeding automatic sieving recycling machine is sieved, sieves qualified powder as obtained heat
Powdery paints finished product is transferred, underproof Powder Recovery is sent into extruder；
G, obtained thermal transfer powdery paints finished product in step f is made to be packed.
5. the preparation method of thermal transfer powdery paints according to claim 4, it is characterised in that：Extruder machine cavity melts work
Segment process is specific as follows：
Leading portion I areas temperature is 150-155 DEG C；
Back segment II areas temperature is 155-160 DEG C；
Screw speed 45-50r/min.
6. the preparation method of thermal transfer powdery paints according to claim 4, it is characterised in that：A kind of automatic sieving recovery
Machine includes body, vibrating screen panel, charging aperture, discharging opening, reclaiming chamber, delivery pipe, strong fan and material barrel, and the body is upper
The casing of under shed, top are charging aperture, and bottom is discharging opening；Vibrating screen panel is 100-150 mesh, and vibrating screen panel is arranged on machine
Body, screen slope are placed, and reclaiming chamber is set in vibrations mesh screen low side；Reclaiming chamber side is provided with hole connecting conveying pipe, in delivery pipe
One end is connected with reclaiming chamber and is provided with screen pack, screen pack mesh number is 40 mesh, and the delivery pipe other end connects material barrel；Material barrel is
Cylinder, it is placed on above extruder charging basket, material barrel bottom is reverse frustoconic, and round platform bottom surface is provided with along the circumferential direction uniform
6 circular holes of distribution, Circularhole diameter 10mm, round platform bottom surface circle centre position are connected with a cylindrical bar, and cylindrical bar lower end sets limited location
Plectane, spacing plectane diameter are more than cylinder shank diameter, an active rubber thin discs, active rubber thin discs are provided with cylindrical bar
Circle centre position has circular hole, and circular hole coordinates with cylindrical bar allows rubber thin discs to be slided on cylindrical bar；Set at the top of material barrel
There is circular hole, Air Filter is provided with circular hole, Air Filter is 180 mesh, and Air Filter is externally connected with strong fan.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710848825.2A CN107603430A (en) | 2017-09-20 | 2017-09-20 | A kind of thermal transfer powdery paints and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710848825.2A CN107603430A (en) | 2017-09-20 | 2017-09-20 | A kind of thermal transfer powdery paints and preparation method thereof |
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| CN110523510A (en) * | 2019-09-06 | 2019-12-03 | 韩山师范学院 | A kind of powdery paints process units |
| CN114100228A (en) * | 2022-01-24 | 2022-03-01 | 山西炬华新材料科技有限公司 | Preparation method and equipment of ultra-large-pore pseudo-boehmite powder |
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| CN110523510A (en) * | 2019-09-06 | 2019-12-03 | 韩山师范学院 | A kind of powdery paints process units |
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| CN114100228A (en) * | 2022-01-24 | 2022-03-01 | 山西炬华新材料科技有限公司 | Preparation method and equipment of ultra-large-pore pseudo-boehmite powder |
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