Summary of the invention
In order to overcome above-mentioned shortcoming, the present invention utilizes the three primary colors image-forming principle, and the hot transfer printing description of a kind of three primary colors carbon ribbon is provided.
For achieving the above object, the technical solution used in the present invention is, the hot transfer printing description of a kind of three primary colors carbon ribbon, by carbon ribbons red, yellow and blue three kinds of colors, formed, it is characterized in that, described three kinds of color carbon ribbons all are comprised of BOPET film, heat-resisting back coating and hot transfer ink layer, and heat-resisting back coating and hot transfer ink layer are coated on respectively on two faces of BOPET film; Wherein the hot transfer ink layer in red carbon ribbon is red hot transfer ink layer, and the hot transfer ink layer in yellow carbon ribbon is yellow hot transfer ink layer, and the hot transfer ink layer in blue carbon ribbon is blue fever transfer ink layer.
Described BOPET film thickness is 3.0~4.8 μ m, hot strength is that MD(is vertical) 244~304, TD(is horizontal) 265~320MPa, elastic modelling quantity is MD4921~5121Mpa, TD4821~5021MPa, coefficient of friction is 0.45~0.56, percent thermal shrinkage is 0.7%~1.5%, and light transmittance is 85%~90%.
Described heat-resisting back coating is raw materials used is the polyurethane macromolecular material, and heat-resisting back coating thickness is 0.1~0.5 μ m, and the coefficient of kinetic friction is less than 0.05.
The hot transfer ink layer thickness of described three kinds of color carbon ribbons is 1.5~2.0 μ m, and the maximum particle diameter of printing ink is less than 0.5 μ m, and softening point is 65~80 ℃.
The mass percent of each constituent of the hot transfer ink layer of described three kinds of color carbon ribbons is: SEBS resin 15~17%, 4# Brazil wax 40~45%, polyethylene micropowder wax 7~10%, refining white rice bran wax 8~14%, other is auxiliary agent and pigment, wherein red hot transfer ink layer auxiliary agent used is that ammonium polyacrylate salt, content are 3~7%, and pigment is that fuchsin, content are 15~22%; Yellow hot transfer ink layer auxiliary agent used is that maleic acid modified paraffin, content are 3~8%, pigment is that permanent yellow, content are 16~22%, blue fever transfer ink layer auxiliary agent used is that sulphonamide modified paraffin, content are 2~5%, and pigment is that phthalocyanine blue, content are 18~23%.
Described polyurethane macromolecular material is the organic silicon modified polyurethane macromolecular material, and wherein silicone content is greater than 45%, and can dry film forming under 40~50 ℃.
The preparation method of the hot transfer printing description of described three primary colors carbon ribbon, carbon ribbon red during production, yellow and blue three kinds of colors is produced respectively, produces in three steps:
One, the manufacture of hot transfer ink, first producing hot transfer ink raw material used, put in proportion in reactor, stir and melt under 90~105 ℃, then the raw material of having changed being poured into to high speed dispersor disperses in cylinder, open high speed dispersor to 800~1500 rev/min, add while stirring pigment, disperse 30~40 minutes, with three-roll grinder, scattered material is ground;
Two, coating, use two coating head intaglio plate coating machine coated heat transfer inks and polyurethane macromolecular material during coating, first coated heat transfer ink layer, be coated with again heat-resisting back coating, during coated heat transfer ink layer, the parameter of ceramic anilox roller used is 350~400 lines, 110~120 ℃ of the temperature of maintenance printing ink, net axle temperature degree is 110~115 ℃, coating speed 100~150m/ divides, be coated with the polyurethane macromolecular material with the ceramic anilox roller of 400~500 lines after being coated with printing ink, the polyurethane macromolecular material is dissolved in butanone and forms solution, the content (quality) of polyurethane macromolecular material in the solution of gained is controlled at 3~4.5%, the oven dry channel temp of coating machine is set between 45~55 ℃, then coated semi-finished product are twisted in greatly in the insulating box of 40~45 ℃ and be incubated 24~48 hours,
Three, be divided into different specifications with cutting machine as required.
The invention has the beneficial effects as follows; carbon ribbon of the present invention is used on hot transfer printing wide format printer; utilize thermal printer head; the mode print speed of employing face scanning improves 5 times than ink-jetting printer; in the hot transfer printing description carbon ribbon used, not containing solvent, in use do not have solvent to discharge the pollution caused, the picture after printing is bright in luster, clear, fastness is fine; do not need follow-up overlay film protection, thereby there is good economy and environment benefit.
The specific embodiment
Further illustrate technical scheme of the present invention below in conjunction with specific embodiment, but protection scope of the present invention is not limited to this.
Embodiment 1
One group of carbon ribbon that the hot transfer printing description of three primary colors carbon ribbon is comprised of carbon ribbon red, yellow, blue three-color, red when producing, yellow, blue three kinds of carbon ribbons are produced respectively, during use, use simultaneously, just can print colored picture, the capital equipment of production has three-roll grinder, high speed coating machine and cutting machine.BOPET film thickness used is 3.0 μ m, and hot strength is MD244 MPa, TD265MPa, and elastic modelling quantity is MD5021MPa, TD4921MPa, and coefficient of friction is 0.49, and percent thermal shrinkage is 0.7%, and light transmittance is 90%.The thickness of heat-resisting back coating is 0.5 μ m, and the thickness of hot transfer ink layer is 2.0 μ m.The production of red carbon ribbon is in three stages: one, the manufacture of hot transfer ink, manufacture of ink raw material used forms by following mass fraction, SEBS resin 15%, 4# Brazil wax 45%, polyethylene micropowder wax 7%, refining white rice bran wax 8%, ammonium polyacrylate salt 5%, fuchsin 20%, wherein auxiliary agent is ammonium polyacrylate salt, pigment is fuchsin, then by above-mentioned mass fraction, put in reactor, temperature of reaction kettle is controlled to 90 ℃, stirring melts, then the material of having changed being poured into to high speed dispersor disperses in cylinder, open high speed dispersor to 800 rev/min, add while stirring color pigment, disperse 40 minutes, with three-roll grinder, scattered material is ground to multipass, detect fineness with laser particle instrument, make the particle diameter of the above material of 98% weight ratio under 0.5 μ m, the softening point of the hot transfer ink of gained is 80 ℃.Two, coating, use two coating head intaglio plate coating machine coated heat transfer inks and polyurethane macromolecular material during coating, first coated heat transfer ink layer, be coated with again heat-resisting back coating, during the coated heat transfer ink, the ceramic anilox roller parameter is 350 lines, 110 ℃ of hot transfer ink heating-up temperatures, 110 ℃ of net axle temperature degree, coating speed 100m/ divides, be coated with the polyurethane macromolecular material with the ceramic anilox roller of 400 lines after being coated with printing ink, the polyurethane macromolecular material is dissolved in butanone and forms solution, the content of polyurethane macromolecular material in the solution of gained is controlled at 3%, the oven dry channel temp of coating machine is set in 45 ℃, require the coating thickness error little, rolling is non-wrinkle, coated semi-finished product twist in greatly in the insulating box of 40 ℃ and are incubated and can cut in 48 hours.Three, cut, be divided into different specifications with cutting machine as required.
As above, institute's difference is the production method of the carbon ribbon of other two kinds of colors, and while producing yellow carbon ribbon, auxiliary agent used is the maleic acid modified paraffin, and pigment is permanent yellow, and wherein the mass fraction of maleic acid modified paraffin is 7%, and the mass fraction of permanent yellow is 18%; While producing blue carbon ribbon, auxiliary agent used is that sulphonamide modified paraffin, pigment are phthalocyanine blues, and wherein the mass fraction of sulphonamide modified paraffin is 5%, and the mass fraction of phthalocyanine blue is 20%.
During printing; red, yellow, the hot transfer printing description of the primary colors carbon ribbon of the present embodiment are contained on hot transfer printing wide format printer; complete successively to print for three times by thermal printer head and can complete the image description; printable 300 ㎡ per hour; picture resolution 600DPI; but the picture soaking-resistant, weather resisteant is good, color adhesive force is good, do not need again the overlay film protection.
Embodiment 2
One group of carbon ribbon that the hot transfer printing description of three primary colors carbon ribbon is comprised of carbon ribbon red, yellow, blue three-color, red when producing, yellow, blue three kinds of carbon ribbons are produced respectively, during use, use simultaneously, just can print colored picture, the capital equipment of production has three-roll grinder, high speed coating machine and cutting machine.BOPET film thickness used is 4.8 μ m, hot strength MD304 MPa, TD320MPa, and elastic modelling quantity MD5121 MPa, TD5021MPa, coefficient of friction is 0.56, and percent thermal shrinkage is 1.1%, and light transmittance is 85%.The thickness of heat-resisting back coating is 0.1 μ m, and the thickness of hot transfer ink layer is 1.5 μ m.The production of red carbon ribbon is in three stages: one, the manufacture of hot transfer printing colored ink, manufacture of ink raw material used forms by following mass fraction, SEBS resin 17%, 4# Brazil wax 40%, polyethylene micropowder wax 10%, refining white rice bran wax 8%, ammonium polyacrylate salt 3%, fuchsin 22%, wherein auxiliary agent is ammonium polyacrylate salt, pigment is fuchsin, then by above-mentioned mass fraction, put in reactor, wherein auxiliary agent is ammonium polyacrylate salt, pigment is fuchsin, then by above-mentioned mass fraction, put in reactor, temperature of reaction kettle is controlled to 100 ℃, stirring melts, then the material of having changed being poured into to high speed dispersor disperses in cylinder, open high speed dispersor to 1100 rev/min, add while stirring color pigment, disperse 35 minutes, with three-roll grinder, scattered material is ground to multipass, detect fineness with laser particle instrument, make the particle diameter of the above material of 98% weight ratio under 0.5 μ m, the softening point of the hot transfer ink of gained is 65 ℃.Two, coating, use two coating head intaglio plate coating machine inkings and gum during coating, first inking, glue-spreading again, during coating printing ink, the ceramic anilox roller parameter is 380 lines, 115 ℃ of printing ink heating-up temperatures, 113 ℃ of net axle temperature degree, coating speed 125m/ divides, be coated with the polyurethane macromolecular material with the ceramic anilox roller of 450 lines after being coated with printing ink, the polyurethane macromolecular material is dissolved in butanone and forms solution, the content of polyurethane macromolecular material in the solution of gained is controlled at 4%, the oven dry channel temp of coating machine is set in 50 ℃, require the coating thickness error little, rolling is non-wrinkle, coated semi-finished product twist in greatly in the insulating box of 43 ℃ and are incubated and can cut in 36 hours.Three, cut, be divided into different specifications with cutting machine as required.
As above, institute's difference is the production method of the carbon ribbon of other two kinds of colors, and while producing yellow carbon ribbon, auxiliary agent used is the maleic acid modified paraffin, and pigment is permanent yellow, and wherein the mass fraction of maleic acid modified paraffin is 3%, and the mass fraction of permanent yellow is 22%; While producing blue carbon ribbon, auxiliary agent used is that sulphonamide modified paraffin, pigment are phthalocyanine blues, and wherein the mass fraction of sulphonamide modified paraffin is 2%, and the mass fraction of phthalocyanine blue is 23%.
During printing; the hot transfer printing description of red, yellow, primary colors of the present invention carbon ribbon is contained on hot transfer printing wide format printer; complete successively to print for three times by thermal printer head and can complete the image description; printable 300 ㎡ per hour; picture resolution 600DPI; but the picture soaking-resistant, weather resisteant is good, color adhesive force is good, do not need again the overlay film protection.
Embodiment 3
One group of carbon ribbon that the hot transfer printing description of three primary colors carbon ribbon is comprised of carbon ribbon red, yellow, blue three-color, red when producing, yellow, blue three kinds of carbon ribbons are produced respectively, during use, use simultaneously, just can print colored picture, the capital equipment of production has three-roll grinder, high speed coating machine and cutting machine.BOPET film thickness used is 4.0 μ m, hot strength MD270 MPa, TD300MPa, and elastic modelling quantity MD4921 MPa, TD4821MPa, coefficient of friction is 0.45, and percent thermal shrinkage is 1.5%, and light transmittance is 88%.The thickness of heat-resisting back coating is 0.3 μ m, and the thickness of hot transfer ink layer is 1.8 μ m.The production of red carbon ribbon is in three stages: one, the manufacture of hot transfer printing colored ink, manufacture of ink raw material used forms by following mass fraction, SEBS resin 16%, 4# Brazil wax 40%, polyethylene micropowder wax 8%, refining white rice bran wax 14%, ammonium polyacrylate salt 7%, fuchsin 15%, wherein auxiliary agent is ammonium polyacrylate salt, pigment is fuchsin, then by above-mentioned mass fraction, put in reactor, temperature of reaction kettle is controlled to 105 ℃, stirring melts, then the material of having changed being poured into to high speed dispersor disperses in cylinder, open high speed dispersor to 1500 rev/min, add while stirring color pigment, disperse 30 minutes, with three-roll grinder, scattered material is ground to multipass, detect fineness with laser particle instrument, make the particle diameter of the above material of 98% weight ratio under 0.5 μ m, the softening point of the hot transfer ink of gained is 70 ℃.Two, coating, use two coating head intaglio plate coating machine inkings and gum during coating, first inking layer, be coated with again back coating, during coating printing ink, the ceramic anilox roller parameter is 400 lines, 120 ℃ of printing ink heating-up temperatures, 115 ℃ of net axle temperature degree, coating speed 150m/ divides, be coated with the polyurethane macromolecular material with the ceramic anilox roller of 500 lines after being coated with printing ink, the polyurethane macromolecular material is dissolved in butanone and forms solution, the content of polyurethane macromolecular material in the solution of gained is controlled at 4.5%, the oven dry channel temp of coating machine is set in 55 ℃, require the coating thickness error little, rolling is non-wrinkle, coated semi-finished product twist in greatly in the insulating box of 45 ℃ and are incubated and can cut in 24 hours.Three, cut, be divided into different specifications with cutting machine as required.
As above, institute's difference is the production method of the carbon ribbon of other two kinds of colors, and while producing yellow carbon ribbon, auxiliary agent used is the maleic acid modified paraffin, and pigment is permanent yellow, and wherein the mass fraction of maleic acid modified paraffin is 6%, and the mass fraction of permanent yellow is 16%; While producing blue carbon ribbon, auxiliary agent used is that sulphonamide modified paraffin, pigment are phthalocyanine blues, and wherein the mass fraction of sulphonamide modified paraffin is 4%, and the mass fraction of phthalocyanine blue is 18%.
During printing; the hot transfer printing description of red, yellow, primary colors of the present invention carbon ribbon is contained on hot transfer printing wide format printer; complete successively to print for three times by thermal printer head and can complete the image description; printable 300 ㎡ per hour; picture resolution 600DPI; but the picture soaking-resistant, weather resisteant is good, color adhesive force is good, do not need again the overlay film protection.
Embodiment 4
Implement 4 and be with the difference of embodiment 1, BOPET film thickness used is 4.0 μ m, hot strength MD270 MPa, TD300MPa, and elastic modelling quantity MD4921 MPa, TD4821MPa, coefficient of friction is 0.45, and percent thermal shrinkage is 1.5%, and light transmittance is 88%.The thickness of heat-resisting back coating is 0.5 μ m, and the thickness of hot transfer ink layer is 2.0 μ m.
Embodiment 5
Embodiment 5 is with the difference of embodiment 2, and BOPET film thickness used is 3.0 μ m, and hot strength is MD244 MPa, TD265MPa, elastic modelling quantity is MD5021MPa, TD4921MPa, coefficient of friction is 0.49, and percent thermal shrinkage is 0.7%, and light transmittance is 90%.The thickness of heat-resisting back coating is 0.5 μ m, and the thickness of hot transfer ink layer is 1.8 μ m.
Embodiment 6
The difference of enforcement 6 and embodiment 3, BOPET film thickness used is 4.8 μ m, hot strength MD304 MPa, TD320MPa, elastic modelling quantity MD5121 MPa, TD5021MPa, coefficient of friction is 0.56, and percent thermal shrinkage is 1.1%, and light transmittance is 85%.The thickness of heat-resisting back coating is 0.3 μ m, and the thickness of hot transfer ink layer is 1.8 μ m.
Embodiment 7
Implement 7 and be with the difference of embodiment 1, BOPET film thickness used is 3.5 μ m, hot strength MD260MPa, TD279MPa, and elastic modelling quantity MD5001 MPa, TD4891MPa, coefficient of friction is 0.46, and percent thermal shrinkage is 1.4%, and light transmittance is 88%.The thickness of heat-resisting back coating is 0.11 μ m, and the thickness of hot transfer ink layer is 1.9 μ m.
Embodiment 8
Embodiment 8 is with the difference of embodiment 2, and BOPET film thickness used is 3.1 μ m, and hot strength is MD250 MPa, TD269MPa, elastic modelling quantity is MD4981MPa, TD4901MPa, coefficient of friction is 0.49, and percent thermal shrinkage is 0.7%, and light transmittance is 90%.The thickness of heat-resisting back coating is 0.15 μ m, and the thickness of hot transfer ink layer is 1.7 μ m.
Embodiment 9
The difference of enforcement 9 and embodiment 3, BOPET film thickness used is 3.9 μ m, hot strength MD268MPa, TD294MPa, elastic modelling quantity MD5021 MPa, TD4971MPa, coefficient of friction is 0.54, and percent thermal shrinkage is 1.2%, and light transmittance is 86%.The thickness of heat-resisting back coating is 0.19 μ m, and the thickness of hot transfer ink layer is 1.6 μ m.