CN112918144A - Invisible grain Ke-style heat transfer pyrography and pyrography product and manufacturing process thereof - Google Patents

Invisible grain Ke-style heat transfer pyrography and pyrography product and manufacturing process thereof Download PDF

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Publication number
CN112918144A
CN112918144A CN202110068092.7A CN202110068092A CN112918144A CN 112918144 A CN112918144 A CN 112918144A CN 202110068092 A CN202110068092 A CN 202110068092A CN 112918144 A CN112918144 A CN 112918144A
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parts
printing
layer
slurry
pyrograph
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施长城
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Jinjiang Shenhu Jiansheng Printing Co ltd
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Jinjiang Shenhu Jiansheng Printing Co ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M3/00—Printing processes to produce particular kinds of printed work, e.g. patterns
    • B41M3/12—Transfer pictures or the like, e.g. decalcomanias
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/0023—Digital printing methods characterised by the inks used
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/0041—Digital printing on surfaces other than ordinary paper
    • B41M5/0064—Digital printing on surfaces other than ordinary paper on plastics, horn, rubber, or other organic polymers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/025—Duplicating or marking methods; Sheet materials for use therein by transferring ink from the master sheet
    • B41M5/0256—Duplicating or marking methods; Sheet materials for use therein by transferring ink from the master sheet the transferable ink pattern being obtained by means of a computer driven printer, e.g. an ink jet or laser printer, or by electrographic means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/025—Duplicating or marking methods; Sheet materials for use therein by transferring ink from the master sheet
    • B41M5/03—Duplicating or marking methods; Sheet materials for use therein by transferring ink from the master sheet by pressure
    • 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
    • C09D11/00—Inks
    • C09D11/02—Printing inks
    • C09D11/03—Printing inks characterised by features other than the chemical nature of the binder
    • 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
    • C09D11/00—Inks
    • C09D11/02—Printing inks
    • C09D11/10—Printing inks based on artificial resins
    • C09D11/101—Inks specially adapted for printing processes involving curing by wave energy or particle radiation, e.g. with UV-curing following the printing
    • 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
    • C09D11/00—Inks
    • C09D11/02—Printing inks
    • C09D11/10—Printing inks based on artificial resins
    • C09D11/102—Printing inks based on artificial resins containing macromolecular compounds obtained by reactions other than those only involving unsaturated carbon-to-carbon bonds
    • 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
    • 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
    • C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
    • C09D175/04—Polyurethanes
    • 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
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/60—Additives non-macromolecular
    • C09D7/61—Additives non-macromolecular inorganic
    • 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
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/65—Additives macromolecular
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
    • C09J11/08—Macromolecular additives
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J123/00—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers
    • C09J123/02—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers not modified by chemical after-treatment
    • C09J123/04—Homopolymers or copolymers of ethene
    • C09J123/08—Copolymers of ethene
    • C09J123/0846—Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
    • C09J123/0853—Vinylacetate
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
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  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Inks, Pencil-Leads, Or Crayons (AREA)
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Abstract

The invention discloses a hidden grain Ke-style heat transfer pyrograph, a pyrograph product and a manufacturing process thereof. The invisible grain Korotkoff type heat transfer pyrograph prepared by the invention has high uniformity, high adhesion between the pyrograph and a base material, high pattern definition, bright color and abrasion and water washing resistance.

Description

Invisible grain Ke-style heat transfer pyrography and pyrography product and manufacturing process thereof
Technical Field
The invention relates to the technical field of heat transfer printing pyrograph, in particular to a hidden grain Korotkoff heat transfer printing pyrograph, a pyrograph product and a manufacturing process thereof.
Background
The heat transfer pyrograph belongs to the field of printing industry, the process of the heat transfer pyrograph is various, and a new process is continuously derived. The hand feeling and the visual effect are divided into: planar pyrographs and stereoscopic pyrographs. The plane pyrograph further comprises: the hot-stamping picture can be made of a litho-type hot-stamping picture, a swimwear hot-stamping picture, a pearly-lustre hot-stamping picture, a Korean bright-surface hot-stamping picture, a Korean matte-surface hot-stamping picture, a gold/silver onion hot-stamping picture, a gold/silver foil hot-stamping picture, a water-washing label hot-stamping picture, a crystal multicolor hot-stamping picture, a sports mark hot-stamping picture and the like. The third dimension pyrograph includes: foamed pyrographs, flocked pyrographs, glass bead pyrographs, reflective pyrographs, pure gold/silver onion pyrographs, and the like. However, due to the influence of material use and printing process, the surfaces of the prior art lithographers are adhered to each other, sublimated, cracked, discolored and have glue edges after being washed by water.
Disclosure of Invention
In order to solve the defects in the prior art, the invention aims to provide a Korotkoff thermal transfer pyrograph with invisible grains, a pyrograph product and a manufacturing process thereof, wherein the pyrograph product has the advantages of high pyrograph uniformity, high adhesion between the pyrograph and a base material, high pattern definition, bright color, friction resistance and water washing resistance.
In order to achieve the purpose, the invention adopts the specific scheme that:
the utility model provides a stealthy line ke formula heat-transfer seal pyrograph, includes PET release film, UV printing line pattern layer, colour layer, white glue layer, printing ink layer, stratum lucidum and the hot melt layer that from the bottom up set gradually.
Preferably, the UV printed textured pattern layer comprises the following components in parts by weight: 40-45 parts of UV curing resin, 15-20 parts of deionized water, 2-3 parts of isophorone, 2-3 parts of polydimethylsiloxane, 2-3 parts of polyurethane, 1-2 parts of polyoxyethylene ether and 1-2 parts of sodium lignosulfonate.
Preferably, the color layer comprises the following components in parts by weight: 20-25 parts of waterborne polyurethane, 5-10 parts of color paste, 15-20 parts of deionized water, 2-3 parts of isophorone, 2-3 parts of polydimethylsiloxane, 2-3 parts of polyurethane, 1-2 parts of polyoxyethylene ether and 1-2 parts of sodium lignosulfonate.
Preferably, the white glue layer comprises the following components in parts by weight: 20-30 parts of epoxy resin, 6-10 parts of titanium dioxide, 12-15 parts of cyclohexanone, 15-20 parts of deionized water, 2-3 parts of isophorone, 2-3 parts of polydimethylsiloxane, 2-3 parts of polyurethane, 1-2 parts of polyoxyethylene ether and 1-2 parts of sodium lignosulfonate.
Preferably, the ink layer comprises the following components in parts by weight: 50-60 parts of polyethylene oxide, 3-5 parts of diethylenetriamine, 4-6 parts of hydroxylated carbon nano tube, 15-20 parts of deionized water, 2-3 parts of isophorone, 2-3 parts of polydimethylsiloxane, 2-3 parts of polyurethane, 1-2 parts of polyoxyethylene ether and 1-2 parts of sodium lignosulfonate.
Preferably, the transparent layer comprises the following components in parts by weight: 25-28 parts of epoxy resin, 8-12 parts of cyclohexanone, 15-20 parts of deionized water, 2-3 parts of isophorone, 2-3 parts of polydimethylsiloxane, 2-3 parts of polyurethane, 1-2 parts of polyoxyethylene ether and 1-2 parts of sodium lignosulfonate.
Preferably, the hot melt layer comprises the following components in parts by weight: 42-46 parts of ethylene-vinyl acetate copolymer resin, 15-20 parts of deionized water, 2-3 parts of isophorone, 2-3 parts of polydimethylsiloxane, 2-3 parts of polyurethane, 1-2 parts of polyoxyethylene ether and 1-2 parts of sodium lignosulfonate.
The invention also provides a manufacturing process of the invisible grain Ke-style heat transfer pyrography, which comprises the following steps:
s1, printing by a 3D digital printer, printing the UV printing grain pattern slurry on a PET release film, and drying to form a UV printing grain pattern layer;
s2, printing the color slurry on the UV printing grain pattern layer, and drying to form a color layer;
s3, printing the white glue slurry on the color layer, and drying to form a white glue layer;
s4, printing the ink slurry on the white glue layer, and drying to form an ink layer;
s5, printing the transparent paste on the ink layer, and drying to form a transparent layer;
and S6, printing the hot-melt slurry on the transparent layer, drying and forming a hot-melt layer to obtain the invisible grain Korotkoff type thermal transfer pyrograph.
Preferably, the temperature of the drying process is 70-80 ℃ in steps S1-S6.
Preferably, in step S1, the temperature of the 3D digital printer nozzle is set to be 300-350 ℃, and the temperature of the printing table is set to be 30-35 ℃; the printing speed was set at 25-30 mm/s.
Preferably, the preparation method of the UV printing grain pattern paste in step S1 includes: mixing 40-45 parts of UV curing resin, 15-20 parts of deionized water, 2-3 parts of isophorone, 2-3 parts of polydimethylsiloxane, 2-3 parts of polyurethane, 1-2 parts of polyoxyethylene ether and 1-2 parts of sodium lignosulfonate by weight, continuously stirring at the stirring speed of 1000-1200 rpm, and stirring for 1-2 hours to obtain UV printing grain pattern slurry;
the preparation method of the color paste in the step S2 is as follows: mixing 20-25 parts of waterborne polyurethane, 5-10 parts of color paste, 15-20 parts of deionized water, 2-3 parts of isophorone, 2-3 parts of polydimethylsiloxane, 2-3 parts of polyurethane, 1-2 parts of polyoxyethylene ether and 1-2 parts of sodium lignosulfonate, stirring continuously at a stirring speed of 1000-1200 rpm, and stirring for 1-2 hours to obtain color slurry;
the preparation method of the white glue slurry in the step S3 comprises the following steps: mixing 20-30 parts of epoxy resin, 6-10 parts of titanium dioxide, 12-15 parts of cyclohexanone, 15-20 parts of deionized water, 2-3 parts of isophorone, 2-3 parts of polydimethylsiloxane, 2-3 parts of polyurethane, 1-2 parts of polyoxyethylene ether and 1-2 parts of sodium lignosulfonate, continuously stirring at the stirring speed of 1000-1200 rpm, and stirring for 1-2 hours to obtain white adhesive slurry;
the preparation method of the ink slurry in the step S4 includes: mixing 3-5 parts by weight of diethylenetriamine and 4-6 parts by weight of hydroxylated carbon nano tube, stirring at the speed of 1000-1200 revolutions per minute for 30-40 minutes, adding 50-60 parts by weight of polyoxyethylene, 15-20 parts by weight of deionized water, 2-3 parts by weight of isophorone, 2-3 parts by weight of polydimethylsiloxane, 2-3 parts by weight of polyurethane, 1-2 parts by weight of polyoxyethylene ether and 1-2 parts by weight of sodium lignosulfonate, and continuously stirring for 1-2 hours to obtain ink slurry;
the preparation method of the transparent paste in the step S5 is as follows: mixing 25-28 parts of epoxy resin, 8-12 parts of cyclohexanone, 15-20 parts of deionized water, 2-3 parts of isophorone, 2-3 parts of polydimethylsiloxane, 2-3 parts of polyurethane, 1-2 parts of polyoxyethylene ether and 1-2 parts of sodium lignosulfonate by weight, continuously stirring at the stirring speed of 1000-1200 rpm, and stirring for 1-2 hours to obtain transparent slurry;
the preparation method of the hot melt slurry in the step S6 comprises the following steps: 42-46 parts of ethylene-vinyl acetate copolymer resin, 15-20 parts of deionized water, 2-3 parts of isophorone, 2-3 parts of polydimethylsiloxane, 2-3 parts of polyurethane, 1-2 parts of polyoxyethylene ether and 1-2 parts of sodium lignosulfonate by weight are mixed and continuously stirred, the stirring speed is 1000-1200 revolutions per minute, and the stirring is carried out for 1-2 hours, so as to obtain the hot melt slurry.
The invention also provides a hidden grain Ke-style heat transfer pyrograph product which comprises the hidden grain Ke-style heat transfer pyrograph, wherein a hot melting layer of the hidden grain Ke-style heat transfer pyrograph is adhered to a target object, and a PET release film of the hidden grain Ke-style heat transfer pyrograph is torn off.
The invention also provides a manufacturing process of the invisible grain Ke-style heat transfer pyrograph product, which comprises the steps of sticking the hot melting layer of the invisible grain Ke-style heat transfer pyrograph on a target object, hot-pressing by a pyrograph machine, wherein the hot-pressing pressure is 0.3-0.4MPa, the hot-pressing time is 4-6s, the hot-pressing temperature is 130-150 ℃, and tearing off the PET release film after hot-pressing.
According to the invention, the hydroxylated carbon nanotube is purified by diethylenetriamine, so that the purified hydroxylated carbon nanotube is crosslinked with linear regular spiral polyoxyethylene, the compatibility between each component and high molecular weight polyoxyethylene is increased, the interface binding force of a component system is increased, an ink layer can be stably combined between a white glue layer and a transparent layer, the internal and external diffusion of a film layer in the printing process is reduced, the local load can be effectively transferred, the stress is uniformly distributed, the mechanical property of the composite material is enhanced, meanwhile, the white glue layer can shield the color of a base material, the pattern colors of a UV printing line pattern layer and a color layer are brighter, and the image resolution is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a hidden grain kovar thermal transfer pyrograph according to an embodiment of the present invention.
Reference numerals: the printing ink comprises, by weight, 1-PET release film, 2-UV printing line pattern layer, 3-color layer, 4-white glue layer, 5-ink layer, 6-transparent layer and 7-hot melting layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments obtained by those skilled in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention, and the reagents and components used in the present invention are commercially available and are not listed here, wherein the color paste includes various color pastes such as red color paste, blue color paste, green color paste and yellow color paste, which can be purchased according to actual needs.
Referring to fig. 1, a thermal transfer pyrograph with invisible lines includes a PET release film 1, a UV printing line pattern layer 2, a color layer 3, a white glue layer 4, an ink layer 5, a transparent layer 6 and a hot melt layer 7, which are sequentially disposed from bottom to top.
A hidden line Ke type heat transfer pyrograph product comprises the hidden line Ke type heat transfer pyrograph, wherein a hot melting layer 7 of the hidden line Ke type heat transfer pyrograph is adhered to a target object (such as a base material of clothing and the like), and a PET release film 1 of the hidden line Ke type heat transfer pyrograph is torn off.
Example 1:
a manufacturing process of a hidden grain Ke-style heat transfer pyrography comprises the following steps:
s1, printing by a 3D digital printer, wherein the temperature of a nozzle is set to 300 ℃, and the temperature of a printing table top is set to 30 ℃; printing speed is set to be 25-30mm/s, UV printing grain pattern slurry is printed on the PET release film 1, and drying is carried out at 70-80 ℃ to form a UV printing grain pattern layer 2;
s2, printing the color slurry on the UV printing grain pattern layer 2, and drying at 70-80 ℃ to form a color layer 3;
s3, printing the white glue slurry on the color layer 3, and drying at 70-80 ℃ to form a white glue layer 4;
s4, printing the ink slurry on the white glue layer 4, and drying at 70-80 ℃ to form an ink layer 5;
s5, printing the transparent paste on the ink layer 5, and drying at 70-80 ℃ to form a transparent layer 6;
s6, printing the hot-melt paste on the transparent layer 6, and drying at 70-80 ℃ to obtain the invisible grain Korotkoff type thermal transfer pyrograph.
The preparation method of the UV printing grain pattern paste in the step S1 includes: mixing and continuously stirring 40 parts of UV curing resin, 15 parts of deionized water, 2 parts of isophorone, 2 parts of polydimethylsiloxane, 2 parts of polyurethane, 1 part of polyoxyethylene ether and 1 part of sodium lignosulfonate at a stirring speed of 1000 revolutions per minute for 1 hour to obtain UV printing grain pattern slurry;
the preparation method of the color paste in the step S2 is as follows: mixing 20 parts of waterborne polyurethane, 5 parts of color paste, 15 parts of deionized water, 2 parts of isophorone, 2 parts of polydimethylsiloxane, 2 parts of polyurethane, 1 part of polyoxyethylene ether and 1 part of sodium lignosulfonate, continuously stirring at the stirring speed of 1000 revolutions per minute for 1 hour to obtain color slurry;
the preparation method of the white glue slurry in the step S3 comprises the following steps: mixing and continuously stirring 20 parts of epoxy resin, 6 parts of titanium dioxide, 12 parts of cyclohexanone, 15 parts of deionized water, 2 parts of isophorone, 2 parts of polydimethylsiloxane, 2 parts of polyurethane, 1 part of polyoxyethylene ether and 1 part of sodium lignosulfonate at a stirring speed of 1000 revolutions per minute for 1 hour to obtain white glue slurry;
the preparation method of the ink slurry in the step S4 includes: mixing 3 parts of diethylenetriamine and 4 parts of hydroxylated carbon nano tube, stirring at the speed of 1000 revolutions per minute for 30 minutes, adding 50 parts of polyoxyethylene, 15 parts of deionized water, 2 parts of isophorone, 2 parts of polydimethylsiloxane, 2 parts of polyurethane, 1 part of polyoxyethylene ether and 1 part of sodium lignosulfonate, and continuously stirring for 1 hour to obtain ink slurry;
the preparation method of the transparent paste in the step S5 is as follows: mixing 25 parts of epoxy resin, 8 parts of cyclohexanone, 15 parts of deionized water, 2 parts of isophorone, 2 parts of polydimethylsiloxane, 2 parts of polyurethane, 1 part of polyoxyethylene ether and 1 part of sodium lignosulfonate, continuously stirring at the stirring speed of 1000 revolutions per minute for 1 hour to obtain transparent slurry;
the preparation method of the hot melt slurry in the step S6 comprises the following steps: 42 parts of ethylene-vinyl acetate copolymer resin, 15 parts of deionized water, 2 parts of isophorone, 2 parts of polydimethylsiloxane, 2 parts of polyurethane, 1 part of polyoxyethylene ether and 1 part of sodium lignosulfonate are mixed and continuously stirred, the stirring speed is 1000 revolutions per minute, and the stirring is carried out for 1 hour, so that the hot-melt slurry is obtained.
A manufacturing process of a Korotkoff heat transfer pyrograph product with invisible grains comprises the steps of sticking a hot melting layer 7 of the Korotkoff heat transfer pyrograph with the invisible grains on a target object, hot-pressing the hot melting layer by a pyrograph machine at the hot-pressing pressure of 0.3MPa for 4s and the hot-pressing temperature of 130 ℃, and tearing off a PET release film 1 after the hot-pressing.
Example 2:
a manufacturing process of a hidden grain Ke-style heat transfer pyrography comprises the following steps:
s1, printing by a 3D digital printer, wherein the temperature of a spray head is set to 350 ℃, and the temperature of a printing table top is set to 35 ℃; printing speed is set to be 25-30mm/s, UV printing grain pattern slurry is printed on the PET release film 1, and drying is carried out at 70-80 ℃ to form a UV printing grain pattern layer 2;
s2, printing the color slurry on the UV printing grain pattern layer 2, and drying at 70-80 ℃ to form a color layer 3;
s3, printing the white glue slurry on the color layer 3, and drying at 70-80 ℃ to form a white glue layer 4;
s4, printing the ink slurry on the white glue layer 4, and drying at 70-80 ℃ to form an ink layer 5;
s5, printing the transparent paste on the ink layer 5, and drying at 70-80 ℃ to form a transparent layer 6;
s6, printing the hot-melt slurry on the transparent layer 6, drying at 70-80 ℃ to form a hot-melt layer 7, and obtaining the invisible grain Ke-style heat transfer pyrograph.
The preparation method of the UV printing grain pattern paste in the step S1 includes: mixing 45 parts of UV curing resin, 20 parts of deionized water, 3 parts of isophorone, 3 parts of polydimethylsiloxane, 3 parts of polyurethane, 2 parts of polyoxyethylene ether and 2 parts of sodium lignosulfonate and continuously stirring at the stirring speed of 1200 revolutions per minute for 2 hours to obtain UV printing grain pattern slurry;
the preparation method of the color paste in the step S2 is as follows: mixing 25 parts of waterborne polyurethane, 10 parts of color paste, 20 parts of deionized water, 3 parts of isophorone, 3 parts of polydimethylsiloxane, 3 parts of polyurethane, 2 parts of polyoxyethylene ether and 2 parts of sodium lignosulfonate, continuously stirring at the stirring speed of 1200 rpm for 2 hours to obtain color slurry;
the preparation method of the white glue slurry in the step S3 comprises the following steps: mixing 30 parts of epoxy resin, 10 parts of titanium dioxide, 15 parts of cyclohexanone, 20 parts of deionized water, 3 parts of isophorone, 3 parts of polydimethylsiloxane, 3 parts of polyurethane, 2 parts of polyoxyethylene ether and 2 parts of sodium lignosulfonate and continuously stirring at a stirring speed of 1200 revolutions per minute for 2 hours to obtain white glue slurry;
the preparation method of the ink slurry in the step S4 includes: mixing 5 parts of diethylenetriamine and 6 parts of hydroxylated carbon nanotube, stirring at the speed of 1200 revolutions per minute for 40 minutes, adding 60 parts of polyethylene oxide, 20 parts of deionized water, 3 parts of isophorone, 3 parts of polydimethylsiloxane, 3 parts of polyurethane, 2 parts of polyoxyethylene ether and 2 parts of sodium lignosulfonate, and continuously stirring for 2 hours to obtain ink slurry;
the preparation method of the transparent paste in the step S5 is as follows: mixing 28 parts of epoxy resin, 12 parts of cyclohexanone, 20 parts of deionized water, 3 parts of isophorone, 3 parts of polydimethylsiloxane, 3 parts of polyurethane, 2 parts of polyoxyethylene ether and 2 parts of sodium lignosulfonate, continuously stirring at the stirring speed of 1200 rpm for 2 hours to obtain transparent slurry;
the preparation method of the hot melt slurry in the step S6 comprises the following steps: mixing 46 parts of ethylene-vinyl acetate copolymer resin, 20 parts of deionized water, 3 parts of isophorone, 3 parts of polydimethylsiloxane, 3 parts of polyurethane, 2 parts of polyoxyethylene ether and 2 parts of sodium lignosulfonate, continuously stirring at the stirring speed of 1200 rpm for 2 hours to obtain hot-melt slurry.
A manufacturing process of a Korotkoff heat transfer pyrograph product with invisible grains comprises the steps of sticking a hot melting layer 7 of the Korotkoff heat transfer pyrograph with the invisible grains on a target object, hot-pressing the hot melting layer by a pyrograph machine at the hot-pressing pressure of 0.4MPa for 6s and the hot-pressing temperature of 150 ℃, and tearing off a PET release film 1 after the hot-pressing.
Example 3:
a manufacturing process of a hidden grain Ke-style heat transfer pyrography comprises the following steps:
s1, printing by a 3D digital printer, wherein the temperature of a spray head is set to be 330 ℃, and the temperature of a printing table top is set to be 33 ℃; printing speed is set to be 25-30mm/s, UV printing grain pattern slurry is printed on the PET release film 1, and drying is carried out at 70-80 ℃ to form a UV printing grain pattern layer 2;
s2, printing the color slurry on the UV printing grain pattern layer 2, and drying at 70-80 ℃ to form a color layer 3;
s3, printing the white glue slurry on the color layer 3, and drying at 70-80 ℃ to form a white glue layer 4;
s4, printing the ink slurry on the white glue layer 4, and drying at 70-80 ℃ to form an ink layer 5;
s5, printing the transparent paste on the ink layer 5, and drying at 70-80 ℃ to form a transparent layer 6;
s6, printing the hot-melt slurry on the transparent layer 6, drying at 70-80 ℃ to form a hot-melt layer 7, and obtaining the invisible grain Ke-style heat transfer pyrograph.
The preparation method of the UV printing grain pattern paste in the step S1 includes: mixing 43 parts of UV curing resin, 18 parts of deionized water, 2.5 parts of isophorone, 2.5 parts of polydimethylsiloxane, 2.5 parts of polyurethane, 1.5 parts of polyoxyethylene ether and 1.5 parts of sodium lignosulfonate with stirring continuously, wherein the stirring speed is 1100 revolutions per minute, and stirring is carried out for 1.5 hours, so as to obtain UV printing grain pattern slurry;
the preparation method of the color paste in the step S2 is as follows: 22 parts of waterborne polyurethane, 8 parts of color paste, 16 parts of deionized water, 2.5 parts of isophorone, 2.5 parts of polydimethylsiloxane, 2.5 parts of polyurethane, 1.5 parts of polyoxyethylene ether and 1.5 parts of sodium lignosulfonate are mixed and continuously stirred, the stirring speed is 1100 r/min, and the stirring is carried out for 1.5 hours, so as to obtain color slurry;
the preparation method of the white glue slurry in the step S3 comprises the following steps: mixing 25 parts of epoxy resin, 8 parts of titanium dioxide, 13 parts of cyclohexanone, 17 parts of deionized water, 2.5 parts of isophorone, 2.5 parts of polydimethylsiloxane, 2.5 parts of polyurethane, 1.5 parts of polyoxyethylene ether and 1.5 parts of sodium lignosulfonate with stirring continuously at a stirring speed of 1100 r/min for 1.5 hours to obtain white adhesive slurry;
the preparation method of the ink slurry in the step S4 includes: 4 parts of diethylenetriamine and 5 parts of hydroxylated carbon nano tube are mixed, the stirring speed is 1100 r/min, after the stirring time is 35 min, 55 parts of polyoxyethylene, 16 parts of deionized water, 2.5 parts of isophorone, 2.5 parts of polydimethylsiloxane, 2.5 parts of polyurethane, 1.5 parts of polyoxyethylene ether and 1.5 parts of sodium lignosulfonate are added, and the stirring is continued for 1.5 h to obtain ink slurry;
the preparation method of the transparent paste in the step S5 is as follows: mixing and continuously stirring 26 parts of epoxy resin, 10 parts of cyclohexanone, 17 parts of deionized water, 2.5 parts of isophorone, 2.5 parts of polydimethylsiloxane, 2.5 parts of polyurethane, 1.5 parts of polyoxyethylene ether and 1.5 parts of sodium lignosulfonate at a stirring speed of 1100 r/min for 1.5 hours to obtain transparent slurry;
the preparation method of the hot melt slurry in the step S6 comprises the following steps: 44 parts of ethylene-vinyl acetate copolymer resin, 17 parts of deionized water, 2.5 parts of isophorone, 2.5 parts of polydimethylsiloxane, 2.5 parts of polyurethane, 1.5 parts of polyoxyethylene ether and 1.5 parts of sodium lignosulfonate are mixed and continuously stirred, the stirring speed is 1100 r/min, and the stirring is carried out for 1.5 hours, so as to obtain the hot-melt slurry.
A manufacturing process of a Korotkoff heat transfer pyrograph product with invisible grains comprises the steps of sticking a hot melting layer 7 of the Korotkoff heat transfer pyrograph with the invisible grains on a target object, hot-pressing the hot melting layer by a pyrograph machine at the hot-pressing pressure of 0.35MPa for 5s and the hot-pressing temperature of 140 ℃, and tearing off a PET release film 1 after the hot-pressing.
Comparative example 1:
comparative example 1 is substantially the same as example 1 except that: in the preparation method, diethylenetriamine and hydroxylated carbon nanotubes are not added, namely:
a manufacturing process of a hidden grain Ke-style heat transfer pyrography comprises the following steps:
s1, printing by a 3D digital printer, wherein the temperature of a nozzle is set to 300 ℃, and the temperature of a printing table top is set to 30 ℃; printing speed is set to be 25-30mm/s, UV printing grain pattern slurry is printed on the PET release film 1, and drying is carried out at 70-80 ℃ to form a UV printing grain pattern layer 2;
s2, printing the color slurry on the UV printing grain pattern layer 2, and drying at 70-80 ℃ to form a color layer 3;
s3, printing the white glue slurry on the color layer 3, and drying at 70-80 ℃ to form a white glue layer 4;
s4, printing the ink slurry on the white glue layer 4, and drying at 70-80 ℃ to form an ink layer 5;
s5, printing the transparent paste on the ink layer 5, and drying at 70-80 ℃ to form a transparent layer 6;
s6, printing the hot-melt slurry on the transparent layer 6, drying at 70-80 ℃ to form a hot-melt layer 7, and obtaining the invisible grain Ke-style heat transfer pyrograph.
The preparation method of the UV printing grain pattern paste in the step S1 includes: mixing and continuously stirring 40 parts of UV curing resin, 15 parts of deionized water, 2 parts of isophorone, 2 parts of polydimethylsiloxane, 2 parts of polyurethane, 1 part of polyoxyethylene ether and 1 part of sodium lignosulfonate at a stirring speed of 1000 revolutions per minute for 1 hour to obtain UV printing grain pattern slurry;
the preparation method of the color paste in the step S2 is as follows: mixing 20 parts of waterborne polyurethane, 5 parts of color paste, 15 parts of deionized water, 2 parts of isophorone, 2 parts of polydimethylsiloxane, 2 parts of polyurethane, 1 part of polyoxyethylene ether and 1 part of sodium lignosulfonate, continuously stirring at the stirring speed of 1000 revolutions per minute for 1 hour to obtain color slurry;
the preparation method of the white glue slurry in the step S3 comprises the following steps: mixing and continuously stirring 20 parts of epoxy resin, 6 parts of titanium dioxide, 12 parts of cyclohexanone, 15 parts of deionized water, 2 parts of isophorone, 2 parts of polydimethylsiloxane, 2 parts of polyurethane, 1 part of polyoxyethylene ether and 1 part of sodium lignosulfonate at a stirring speed of 1000 revolutions per minute for 1 hour to obtain white glue slurry;
the preparation method of the ink slurry in the step S4 includes: mixing 50 parts of polyoxyethylene, 15 parts of deionized water, 2 parts of isophorone, 2 parts of polydimethylsiloxane, 2 parts of polyurethane, 1 part of polyoxyethylene ether and 1 part of sodium lignosulfonate at a stirring speed of 1000 revolutions per minute, and continuously stirring for 1.5 hours to obtain ink slurry;
the preparation method of the transparent paste in the step S5 is as follows: mixing 25 parts of epoxy resin, 8 parts of cyclohexanone, 15 parts of deionized water, 2 parts of isophorone, 2 parts of polydimethylsiloxane, 2 parts of polyurethane, 1 part of polyoxyethylene ether and 1 part of sodium lignosulfonate, continuously stirring at the stirring speed of 1000 revolutions per minute for 1 hour to obtain transparent slurry;
the preparation method of the hot melt slurry in the step S6 comprises the following steps: 42 parts of ethylene-vinyl acetate copolymer resin, 15 parts of deionized water, 2 parts of isophorone, 2 parts of polydimethylsiloxane, 2 parts of polyurethane, 1 part of polyoxyethylene ether and 1 part of sodium lignosulfonate are mixed and continuously stirred, the stirring speed is 1000 revolutions per minute, and the stirring is carried out for 1 hour, so that the hot-melt slurry is obtained.
The following tests were conducted on the invisible grain kovar thermal transfer paintings obtained in examples 1 to 3 of the present invention and comparative example 1, and the test results are shown in table 1.
And (3) testing the glossiness: gloss meter (model: MN268), test method: the gloss value test of the sample at this angle was performed at a projection angle of 60 °.
Color fastness to rubbing test: the finished fabric products obtained by finishing the pyrography in the above examples 1 to 3 and comparative example 1 were subjected to a dry/wet crocking fastness test according to GB/T3920-2008. The gray sample card for staining is utilized, the staining degree of white cloth is used as a medium evaluation principle, 5 grades are divided, and the larger the numerical value is, the better the abrasion resistance fastness is.
TABLE 1
Serial number Degree of gloss Colour fastness to dry rubbing Colour fastness to wet rubbing
Example 1 38.2 4-5 4-5
Example 2 37.4 4-5 4-5
Example 3 40.1 4-5 4-5
Comparative example 1 32.6 3-4 3-4
As can be seen from Table 1, compared with comparative example 1, the surface of the invisible texture Korotkoff thermal transfer pyrograph of the invention has excellent glossiness, and the pyrograph pattern on the fabric has good friction resistance and color fastness to washing.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. The utility model provides a stealthy line ke formula heat-transfer seal pyrograph which characterized in that: the UV printing film comprises a PET release film, a UV printing grain pattern layer, a color layer, a white glue layer, an ink layer, a transparent layer and a hot melting layer which are sequentially arranged from bottom to top.
2. The invisible texture Korotkoff thermal transfer pyrograph according to claim 1, wherein: the UV printing line pattern layer comprises the following components in parts by weight: 40-45 parts of UV curing resin, 15-20 parts of deionized water, 2-3 parts of isophorone, 2-3 parts of polydimethylsiloxane, 2-3 parts of polyurethane, 1-2 parts of polyoxyethylene ether and 1-2 parts of sodium lignosulfonate.
3. The invisible texture Korotkoff thermal transfer pyrograph according to claim 1, wherein: the color layer comprises the following components in parts by weight: 20-25 parts of waterborne polyurethane, 5-10 parts of color paste, 15-20 parts of deionized water, 2-3 parts of isophorone, 2-3 parts of polydimethylsiloxane, 2-3 parts of polyurethane, 1-2 parts of polyoxyethylene ether and 1-2 parts of sodium lignosulfonate.
4. The invisible texture Korotkoff thermal transfer pyrograph according to claim 1, wherein: the white glue layer comprises the following components in parts by weight: 20-30 parts of epoxy resin, 6-10 parts of titanium dioxide, 12-15 parts of cyclohexanone, 15-20 parts of deionized water, 2-3 parts of isophorone, 2-3 parts of polydimethylsiloxane, 2-3 parts of polyurethane, 1-2 parts of polyoxyethylene ether and 1-2 parts of sodium lignosulfonate.
5. The invisible texture Korotkoff thermal transfer pyrograph according to claim 1, wherein: the ink layer comprises the following components in parts by weight: 50-60 parts of polyethylene oxide, 3-5 parts of diethylenetriamine, 4-6 parts of hydroxylated carbon nano tube, 15-20 parts of deionized water, 2-3 parts of isophorone, 2-3 parts of polydimethylsiloxane, 2-3 parts of polyurethane, 1-2 parts of polyoxyethylene ether and 1-2 parts of sodium lignosulfonate.
6. The invisible texture Korotkoff thermal transfer pyrograph according to claim 1, wherein: the transparent layer comprises the following components in parts by weight: 25-28 parts of epoxy resin, 8-12 parts of cyclohexanone, 15-20 parts of deionized water, 2-3 parts of isophorone, 2-3 parts of polydimethylsiloxane, 2-3 parts of polyurethane, 1-2 parts of polyoxyethylene ether and 1-2 parts of sodium lignosulfonate.
7. The invisible texture Korotkoff thermal transfer pyrograph according to claim 1, wherein: the hot melt layer comprises the following components in parts by weight: 42-46 parts of ethylene-vinyl acetate copolymer resin, 15-20 parts of deionized water, 2-3 parts of isophorone, 2-3 parts of polydimethylsiloxane, 2-3 parts of polyurethane, 1-2 parts of polyoxyethylene ether and 1-2 parts of sodium lignosulfonate.
8. The process for making the invisible grain Ke-style heat transfer pyrograph as claimed in claim 1, wherein: the method comprises the following steps:
s1, printing by a 3D digital printer, printing the UV printing grain pattern slurry on a PET release film, and drying to form a UV printing grain pattern layer;
s2, printing the color slurry on the UV printing grain pattern layer, and drying to form a color layer;
s3, printing the white glue slurry on the color layer, and drying to form a white glue layer;
s4, printing the ink slurry on the white glue layer, and drying to form an ink layer;
s5, printing the transparent paste on the ink layer, and drying to form a transparent layer;
s6, printing the hot-melt slurry on a transparent layer, drying and forming a hot-melt layer to obtain the invisible grain Korotkoff type heat transfer pyrograph;
in the steps S1 to S6, the temperature of the drying process is 70-80 ℃;
in the step S1, the temperature of the nozzle of the 3D digital printer is set to be 300-350 ℃, and the temperature of the printing table top is set to be 30-35 ℃; the printing speed is set to be 25-30 mm/s;
the preparation method of the UV printing grain pattern paste in the step S1 includes: mixing 40-45 parts of UV curing resin, 15-20 parts of deionized water, 2-3 parts of isophorone, 2-3 parts of polydimethylsiloxane, 2-3 parts of polyurethane, 1-2 parts of polyoxyethylene ether and 1-2 parts of sodium lignosulfonate by weight, continuously stirring at the stirring speed of 1000-1200 rpm, and stirring for 1-2 hours to obtain UV printing grain pattern slurry;
the preparation method of the color paste in the step S2 is as follows: mixing 20-25 parts of waterborne polyurethane, 5-10 parts of color paste, 15-20 parts of deionized water, 2-3 parts of isophorone, 2-3 parts of polydimethylsiloxane, 2-3 parts of polyurethane, 1-2 parts of polyoxyethylene ether and 1-2 parts of sodium lignosulfonate, continuously stirring at the stirring speed of 1000-1200 rpm, and continuously stirring for 1-2 hours to obtain color slurry;
the preparation method of the white glue slurry in the step S3 comprises the following steps: mixing 20-30 parts of epoxy resin, 6-10 parts of titanium dioxide, 12-15 parts of cyclohexanone, 15-20 parts of deionized water, 2-3 parts of isophorone, 2-3 parts of polydimethylsiloxane, 2-3 parts of polyurethane, 1-2 parts of polyoxyethylene ether and 1-2 parts of sodium lignosulfonate, continuously stirring at the stirring speed of 1000-1200 rpm, and stirring for 1-2 hours to obtain white adhesive slurry;
the preparation method of the ink slurry in the step S4 includes: mixing 3-5 parts by weight of diethylenetriamine and 4-6 parts by weight of hydroxylated carbon nano tube, stirring at the speed of 1000-1200 revolutions per minute for 30-40 minutes, adding 50-60 parts by weight of polyoxyethylene, 15-20 parts by weight of deionized water, 2-3 parts by weight of isophorone, 2-3 parts by weight of polydimethylsiloxane, 2-3 parts by weight of polyurethane, 1-2 parts by weight of polyoxyethylene ether and 1-2 parts by weight of sodium lignosulfonate, and continuously stirring for 1-2 hours to obtain ink slurry;
the preparation method of the transparent paste in the step S5 is as follows: mixing 25-28 parts of epoxy resin, 8-12 parts of cyclohexanone, 15-20 parts of deionized water, 2-3 parts of isophorone, 2-3 parts of polydimethylsiloxane, 2-3 parts of polyurethane, 1-2 parts of polyoxyethylene ether and 1-2 parts of sodium lignosulfonate by weight, continuously stirring at the stirring speed of 1000-1200 rpm, and stirring for 1-2 hours to obtain transparent slurry;
the preparation method of the hot melt slurry in the step S6 comprises the following steps: 42-46 parts of ethylene-vinyl acetate copolymer resin, 15-20 parts of deionized water, 2-3 parts of isophorone, 2-3 parts of polydimethylsiloxane, 2-3 parts of polyurethane, 1-2 parts of polyoxyethylene ether and 1-2 parts of sodium lignosulfonate by weight are mixed and continuously stirred, the stirring speed is 1000-1200 revolutions per minute, and the stirring is carried out for 1-2 hours, so as to obtain the hot melt slurry.
9. The utility model provides a stealthy line ke formula heat-transfer seal pyrography goods which characterized in that: the thermal transfer printing pyrograph with the hidden lines as claimed in claim 1, wherein the hot melt layer of the thermal transfer printing pyrograph with the hidden lines is stuck on a target object, and the PET release film of the thermal transfer printing pyrograph with the hidden lines is torn off.
10. The process for making the invisible texture Korotkoff thermal transfer pyrography product as set forth in claim 9, wherein: the hot melt layer of the invisible grain Kelly-type heat transfer pyrograph of claim 1 is pasted on a target object, and is hot-pressed by a pyrograph machine, the hot-pressing pressure is 0.3-0.4MPa, the hot-pressing time is 4-6s, the hot-pressing temperature is 130-150 ℃, and the PET release film is torn off after the hot-pressing.
CN202110068092.7A 2021-01-19 2021-01-19 Invisible grain Ke-style heat transfer pyrography and pyrography product and manufacturing process thereof Pending CN112918144A (en)

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