Summary of the invention
In order to overcome above-mentioned shortcoming, the present invention utilizes three primary colors image-forming principle, provides a kind of Three-primary-color thermal transfer photo ribbon.
For achieving the above object, the technical solution used in the present invention is, a kind of Three-primary-color thermal transfer photo ribbon, be made up of the carbon ribbon of red, yellow and blue three kinds of colors, it is characterized in that, described three kinds of color carbon ribbons are all made up of BOPET film, heat-resisting back coating and hot transferred ink layer, and heat-resisting back coating and hot transferred ink layer are coated on two faces of BOPET film respectively; Hot transferred ink layer wherein in red carbon ribbon is red hot transferred ink layer, and the hot transferred ink layer in yellow carbon ribbon is yellow hot transferred ink layer, and the hot transferred ink layer in blue carbon ribbon is blue fever transferred ink layer.
Described BOPET film thickness is 3.0 ~ 4.8 μm, hot strength be MD(longitudinally) 244 ~ 304, TD(laterally) 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 polyurethane macromolecular material, and heat-resisting back coating thickness is 0.1 ~ 0.5 μm, and the coefficient of kinetic friction is less than 0.05.
The hot transferred ink layer thickness of described three kinds of color carbon ribbons is 1.5 ~ 2.0 μm, and the maximum particle diameter of ink is less than 0.5 μm, and softening point is 65 ~ 80 DEG C.
The mass percent of each constituent of the hot transferred 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, the auxiliary agent that wherein red hot transferred ink layer is used is ammonium polyacrylate salt, content is 3 ~ 7%, and pigment is fuchsin, content is 15 ~ 22%; Yellow hot transferred ink layer auxiliary agent used is maleic acid modified paraffin, content is 3 ~ 8%, pigment is permanent yellow, content is 16 ~ 22%, blue fever transferred ink layer auxiliary agent used is sulphonamide modified paraffin, content is 2 ~ 5%, and pigment is phthalocyanine blue, content is 18 ~ 23%.
Described polyurethane macromolecular material is organic silicon modified polyurethane macromolecular material, and wherein silicone content is greater than 45%, and can drying and forming-film at 40 ~ 50 DEG C.
The preparation method of described Three-primary-color thermal transfer photo ribbon, the carbon ribbon of 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 the raw material producing hot transfer ink used is put in reactor in proportion, stir at 90 ~ 105 DEG C and melt, then the raw material changed is poured in high speed dispersor dispersion cylinder, open high speed dispersor to 800 ~ 1500 rev/min, add pigment while stirring, disperse 30 ~ 40 minutes, with three-roll grinder, scattered material is ground;
Two, coating, with two coating head gravure coater coated heat transfer ink and polyurethane macromolecular material during coating, first coated heat transferred ink layer, be coated with heat-resisting back coating again, during coated heat transferred ink layer, the parameter of ceramic anilox roller used is 350 ~ 400 lines, keep the temperature 110 ~ 120 DEG C of ink, net axle temperature degree is 110 ~ 115 DEG C, coating speed 100 ~ 150m/ divides, polyurethane macromolecular material is coated with the ceramic anilox roller of 400 ~ 500 lines after being coated with ink, polyurethane macromolecular material is dissolved in butanone and forms solution, the content of polyurethane macromolecular material in the solution of gained (quality) controls 3 ~ 4.5%, the oven dry channel temp of coating machine is set between 45 ~ 55 DEG C, then coated semi-finished product are twisted in greatly in the insulating box of 40 ~ 45 DEG C and be incubated 24 ~ 48 hours,
Three, different specifications is divided into 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 Surface scan is adopted to improve 5 times than ink-jetting printer; not containing solvent in the hot transfer printing description carbon ribbon used, 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 to protect, thus there is good economy and environment benefit.
Detailed description of the invention
Further illustrate technical scheme of the present invention below in conjunction with specific embodiment, but protection scope of the present invention is not limited thereto.
Embodiment 1
One group of carbon ribbon that Three-primary-color thermal transfer photo ribbon is made up of carbon ribbon that is red, yellow, blue three-color, red when producing, yellow, blue three kinds of carbon ribbons are produced respectively, use during 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 μm, and hot strength is MD244MPa, 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 μm, and the thickness of hot transferred ink layer is 2.0 μm.The production of red carbon ribbon is in three stages: one, the manufacture of hot transfer ink, manufacture of ink raw material used is by following mass fraction composition, 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 put in reactor by above-mentioned mass fraction, temperature of reaction kettle is controlled at 90 DEG C, stirring melts, then the material changed is poured in high speed dispersor dispersion cylinder, open high speed dispersor to 800 rev/min, add color pigment while stirring, disperse 40 minutes, with three-roll grinder, grinding multipass is carried out to scattered material, fineness is detected with laser particle instrument, make the particle diameter of the material of more than 98% weight ratio under 0.5 μm, the softening point of the hot transfer ink of gained is 80 DEG C.Two, coating, with two coating head gravure coater coated heat transfer ink and polyurethane macromolecular material during coating, first coated heat transferred ink layer, be coated with heat-resisting back coating again, during coated heat transfer ink, ceramic anilox roller parameter is 350 lines, hot transfer ink heating-up temperature 110 DEG C, net axle temperature degree 110 DEG C, coating speed 100m/ divides, polyurethane macromolecular material is coated with the ceramic anilox roller of 400 lines after being coated with ink, polyurethane macromolecular material is dissolved in butanone and forms solution, the content of polyurethane macromolecular material in the solution of gained controls 3%, the oven dry channel temp of coating machine is set in 45 DEG C, require that coating thickness error is little, rolling is non-wrinkle, coated semi-finished product twist in greatly insulation in the insulating box of 40 DEG C and can cut for 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 when producing yellow carbon ribbon, auxiliary agent used is 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%; When producing blue carbon ribbon, auxiliary agent used is sulphonamide modified paraffin, pigment is phthalocyanine blue, 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 primary colors hot transfer printing description 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 image description; printable 300 ㎡ per hour; picture resolution ratio can reach 600DPI; picture can soaking-resistant, weather resisteant is good, color adhesive force is good, does not need overlay film to protect again.
Embodiment 2
One group of carbon ribbon that Three-primary-color thermal transfer photo ribbon is made up of carbon ribbon that is red, yellow, blue three-color, red when producing, yellow, blue three kinds of carbon ribbons are produced respectively, use during 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 μm, hot strength MD304MPa, TD320MPa, elastic modelling quantity MD5121MPa, TD5021MPa, and 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 μm, and the thickness of hot transferred ink layer is 1.5 μm.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 is by following mass fraction composition, 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 put in reactor by above-mentioned mass fraction, wherein auxiliary agent is ammonium polyacrylate salt, pigment is fuchsin, then put in reactor by above-mentioned mass fraction, temperature of reaction kettle is controlled at 100 DEG C, stirring melts, then the material changed is poured in high speed dispersor dispersion cylinder, open high speed dispersor to 1100 rev/min, add color pigment while stirring, disperse 35 minutes, with three-roll grinder, grinding multipass is carried out to scattered material, fineness is detected with laser particle instrument, make the particle diameter of the material of more than 98% weight ratio under 0.5 μm, the softening point of the hot transfer ink of gained is 65 DEG C.Two, coating, with two coating head gravure coater inking and gum during coating, first inking, glue-spreading again, during coating ink, ceramic anilox roller parameter is 380 lines, heat ink temperature 115 DEG C, net axle temperature degree 113 DEG C, coating speed 125m/ divides, polyurethane macromolecular material is coated with the ceramic anilox roller of 450 lines after being coated with ink, polyurethane macromolecular material is dissolved in butanone and forms solution, the content of polyurethane macromolecular material in the solution of gained controls 4%, the oven dry channel temp of coating machine is set in 50 DEG C, require that coating thickness error is little, rolling is non-wrinkle, coated semi-finished product twist in greatly insulation in the insulating box of 43 DEG C and can cut for 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 when producing yellow carbon ribbon, auxiliary agent used is 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%; When producing blue carbon ribbon, auxiliary agent used is sulphonamide modified paraffin, pigment is phthalocyanine blue, and wherein the mass fraction of sulphonamide modified paraffin is 2%, and the mass fraction of phthalocyanine blue is 23%.
During printing; red, yellow, primary colors hot transfer printing description carbon ribbon of the present invention is contained on hot transfer printing wide format printer; complete successively to print for three times by thermal printer head and can complete image description; printable 300 ㎡ per hour; picture resolution ratio can reach 600DPI; picture can soaking-resistant, weather resisteant is good, color adhesive force is good, does not need overlay film to protect again.
Embodiment 3
One group of carbon ribbon that Three-primary-color thermal transfer photo ribbon is made up of carbon ribbon that is red, yellow, blue three-color, red when producing, yellow, blue three kinds of carbon ribbons are produced respectively, use during 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 μm, hot strength MD270MPa, TD300MPa, elastic modelling quantity MD4921MPa, TD4821MPa, and 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 μm, and the thickness of hot transferred ink layer is 1.8 μm.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 is by following mass fraction composition, 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 put in reactor by above-mentioned mass fraction, temperature of reaction kettle is controlled at 105 DEG C, stirring melts, then the material changed is poured in high speed dispersor dispersion cylinder, open high speed dispersor to 1500 rev/min, add color pigment while stirring, disperse 30 minutes, with three-roll grinder, grinding multipass is carried out to scattered material, fineness is detected with laser particle instrument, make the particle diameter of the material of more than 98% weight ratio under 0.5 μm, the softening point of the hot transfer ink of gained is 70 DEG C.Two, coating, with two coating head gravure coater inking and gum during coating, first oiling layer of ink, be coated with back coating again, during coating ink, ceramic anilox roller parameter is 400 lines, heat ink temperature 120 DEG C, net axle temperature degree 115 DEG C, coating speed 150m/ divides, polyurethane macromolecular material is coated with the ceramic anilox roller of 500 lines after being coated with ink, polyurethane macromolecular material is dissolved in butanone and forms solution, the content of polyurethane macromolecular material in the solution of gained controls 4.5%, the oven dry channel temp of coating machine is set in 55 DEG C, require that coating thickness error is little, rolling is non-wrinkle, coated semi-finished product twist in greatly insulation in the insulating box of 45 DEG C and can cut for 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 when producing yellow carbon ribbon, auxiliary agent used is 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%; When producing blue carbon ribbon, auxiliary agent used is sulphonamide modified paraffin, pigment is phthalocyanine blue, and wherein the mass fraction of sulphonamide modified paraffin is 4%, and the mass fraction of phthalocyanine blue is 18%.
During printing; red, yellow, primary colors hot transfer printing description carbon ribbon of the present invention is contained on hot transfer printing wide format printer; complete successively to print for three times by thermal printer head and can complete image description; printable 300 ㎡ per hour; picture resolution ratio can reach 600DPI; picture can soaking-resistant, weather resisteant is good, color adhesive force is good, does not need overlay film to protect again.
Embodiment 4
Implement 4 to be with the difference of embodiment 1, BOPET film thickness used is 4.0 μm, hot strength MD270MPa, TD300MPa, elastic modelling quantity MD4921MPa, TD4821MPa, and 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 μm, and the thickness of hot transferred ink layer is 2.0 μm.
Embodiment 5
Embodiment 5 is with the difference of embodiment 2, and BOPET film thickness used is 3.0 μm, and hot strength is MD244MPa, 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 μm, and the thickness of hot transferred ink layer is 1.8 μm.
Embodiment 6
Implement the difference of 6 and embodiment 3, BOPET film thickness used is 4.8 μm, hot strength MD304MPa, TD320MPa, elastic modelling quantity MD5121MPa, TD5021MPa, and 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 μm, and the thickness of hot transferred ink layer is 1.8 μm.
Embodiment 7
Implement 7 to be with the difference of embodiment 1, BOPET film thickness used is 3.5 μm, hot strength MD260MPa, TD279MPa, elastic modelling quantity MD5001MPa, TD4891MPa, and 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 μm, and the thickness of hot transferred ink layer is 1.9 μm.
Embodiment 8
Embodiment 8 is with the difference of embodiment 2, and BOPET film thickness used is 3.1 μm, and hot strength is MD250MPa, 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 μm, and the thickness of hot transferred ink layer is 1.7 μm.
Embodiment 9
Implement the difference of 9 and embodiment 3, BOPET film thickness used is 3.9 μm, hot strength MD268MPa, TD294MPa, elastic modelling quantity MD5021MPa, TD4971MPa, and 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 μm, and the thickness of hot transferred ink layer is 1.6 μm.