Summary of the invention
The purpose of this invention is to provide a kind of dull color that can change the profile shapes surface, give clear real wooden aesthetic feeling, can strengthen hot transfer wood grain paper tinsel of its surperficial safeguard function and preparation method thereof simultaneously.
For achieving the above object; the technical solution adopted in the present invention is: a kind of hot transfer wood grain paper tinsel; be made of the thermal transfer ink layer that is coated with on tape base and the tape base, thermal transfer ink layer is divided into three parts, is followed successively by protective layer, patterned layer, binder couse from inside to outside by tape base one side surface.
Described protective layer is made by following weight percentages: link stuff 30-40%, filler 55-66%, auxiliary agent 3-5.5%.
Link stuff is an acrylic resin in the described protective layer; Filler is talcum powder and calcium carbonate activated, and two components account for percentage by weight and are respectively: talcum powder 50-62%, and calcium carbonate activated 4-5%; Solvent was toluene and butyl ester, by 3: 1 to 4: 1 mixed; Auxiliary agent comprises phenolic antioxidant, benzophenone light stabilizer, bromide fire retardant and dibutyl maleate plasticizer, and four ingredients constitute auxiliary agent percentage by weights are respectively: phenolic antioxidant 5-9%, benzophenone 5-15%, bromide fire retardant 10-20%, dibutyl maleate 65-75%.
Patterned layer is made by following weight percentages: link stuff 10-20%, pigment yellow 155-75%, filler 15-28%.
Link stuff is a cellulose in the described patterned layer; Pigment is yellow or redness or black, and wherein black is carbon black, and redness is fragrant acid amides, and yellow is a zinc ferrite; Filler is a talcum powder.
Binder couse is made by following weight percentages: link stuff 75-85%, filler 13-23%, auxiliary agent 1.5-2%.
Link stuff is EVA resin, polyamide and modified rosin in the described binder couse, and three ingredients constitute binder couse total weight percent are respectively: EVA resin 44-48%, polyamide 19-22%, modified rosin 12-15%; Filler is talcum powder and calcium carbonate activated, and two components account for the binder couse total weight percent and are respectively: talcum powder 12-21%, calcium carbonate activated 1-2%; Auxiliary agent is the titanate ester surfactant.
Described tape base is made of the BOPET material of thickness 19~21 μ m.
Described BOPET material is the high-strength polyester film.
The preparation method of this hot transfer wood grain paper tinsel may further comprise the steps:
A, at first use toluene and butyl ester, by after 3: 1 to 4: 1 the part by weight mixing connection material in the protective layer being added dissolving, and then add filler and auxiliary agent in proportion, after fully grinding 12 hours, ball mill makes protective layer coating solution, evenly be coated with the thick coating of 18-20 μ m with coating machine on the base material film surface, oven dry forms protective layer and enters into subsequent processing under 40 ℃-60 ℃ temperature;
B, with toluene with cellulose dissolution, add filler and pigment more in proportion and make the patterned layer coating fluid through fully grinding, require that pigment will be uniformly dispersed, fineness is less than 2 μ m, be applied to the protective layer outside through coating machine again, oven dry forms patterned layer under 40 ℃-60 ℃ temperature, require this layer thickness 4-6 μ m, guarantee bright in luster clean, pattern is true clear attractive in appearance;
C, usefulness dimethylbenzene and isopropyl alcohol add dissolving with the link stuff in the binder couse after 3: 1 mixed, and then add filler in proportion and auxiliary agent fully grinds, form evenly, viscosity is 14-16 second under stable, 25 ℃ of conditions, fineness is less than the binder couse coating fluid of 2 μ m, be coated in the outside of patterned layer then through coating machine, thoroughly oven dry under 40 ℃-60 ℃ temperature, making this layer thickness is 10-12 μ m, becomes solid-state tough film at normal temperatures; This moment, the gross thickness of tape base and coating was that 51-59 μ m promptly forms wood grain paper tinsel of the present invention.
The hot transfer wood grain paper tinsel that adopts technique scheme to make; properties of product require through special equipment protective layer, grain pattern layer and articulamentum to be transferred to the carrier surface of undertaking the printing of under process conditions such as suitable temperature, pressure; make undertake the printing of carrier surface not only outward appearance wooden aesthetic feeling is arranged; grain pattern is true, clean mark; and have characteristics such as daily solvents such as scratch-resistant, heatproof degree scope are wide, water-fast, sour, alkali, fast light weatherability are good, an actual application value that has protection and decorate the carrier surface of undertaking the printing of.The present invention has not only changed the dullness of profile shapes surface color, gives clear real wooden aesthetic feeling; Strengthen surperficial safeguard function simultaneously and be widely used in industries such as chemical building material, indoor furniture decoration.
The specific embodiment
Further specify the present invention below in conjunction with embodiment.
Composition of the present invention is mainly the thermal transfer ink layer that is coated with on tape base and the tape base and constitutes, tape base is the BOPET thin-film material, this film is attached the do base material of wood grain paper tinsel before transfer printing, require characteristics such as substrate intensity height, good toughness, good heat resistance (can use not deliquescing under 250 ℃), good heat-transfer, solvent resistance be good, specifically adopt the high-strength polyester film of 19-21 μ m.
Thermal transfer ink layer is divided into three parts, be followed successively by protective layer from inside to outside, patterned layer, binder couse. protective layer is between base material film and patterned layer, work to connect levels before the transfer printing, under the transfer printing condition, can hightail base material film and transfer to the carrier surface of undertaking the printing of with following finishing coat, the cooling back forms the coating of tough and tensile protection carrier surface. and require this layer and base material film that suitable adhesive force is arranged and do not come off so that before transfer printing, stick to the base material film surface, not brittle failure fragmentation, and separating with base material film at an easy rate again under the transfer printing condition and shifting. because this layer promptly forms tough and tensile protective finish after transferring to the carrier surface cooling of undertaking the printing of, so require this laminar surface tough and tensile again, hardness height (greater than the 2H pencil hardness), smooth surface has mute light gloss, heat resistance is good (can be used down at-30 ℃-50 ℃ throughout the year, short time can be anti-130 ℃ of softening transforms not), (ageing resistance is good for fast light weather resisteant brilliance, can reach more than 15 years and performance does not have obvious decline even use under the adverse circumstances out of doors), can protect undertake the printing of carrier surface and aesthetic appearance not to weaken long-term effectively, wood grain texture is true clear colour-fast. and protective layer is specifically made by the raw material of following each percentage by weight component: link stuff 30-40%, filler 55-66%, auxiliary agent 3-5.5%. wherein link stuff are acrylic resin; Filler is talcum powder and calcium carbonate activated, and two components account for percentage by weight and are respectively: talcum powder 50-62%, calcium carbonate activated 4-5%; Solvent was toluene and butyl ester, by 3: 1 to 4: 1 mixed; Auxiliary agent comprises phenolic antioxidant, benzophenone light stabilizer, bromide fire retardant and dibutyl maleate plasticizer, four ingredients constitute auxiliary agent percentage by weights are respectively: phenolic antioxidant 5-9%, benzophenone 5-15%, bromide fire retardant 10-20%, dibutyl maleate 65-75%. antioxidant specifically adopt the di-t-butyl cresols, light stabilizer specifically adopts benzophenone, fire retardant specifically adopts the bromo diphenyl ether, and plasticizer specifically adopts dibutyl maleate.
Patterned layer is the pattern color part of whole coating system, require colour match rationally, true distinct, the weather-proof prolonged nondiscolouring bright in luster of wood texture complete display, outward appearance wooden aesthetic feeling fades.Patterned layer is made by following weight percentages: link stuff 10-20%, pigment yellow 155-75%, filler 15-28%.Wherein link stuff is a cellulose; Pigment is yellow or redness or black, and wherein black is carbon black, and redness is fragrant acid amides, and yellow is a zinc ferrite; Filler is a talcum powder.
Wood grain paper tinsel transfer printing principle is exactly to utilize the paper tinsel layer and undertake the printing of the carrier attached power of work between the two greater than paper tinsel layer and base material film adhesive force between the two, finishes under the transfer printing condition by the transfer of base material film surface to the carrier surface of undertaking the printing of; So the effect that shifts is not only relevant with the demoulding effect, the bonding interface that main is binder couse and the carrier attached power of work between the two of undertaking the printing of is big more then to be finished after the transfer between the two is firm more, and the transfer printing effect is good more.Binder couse is made by following weight percentages: link stuff 75-85%, filler 13-23%, auxiliary agent 1.5-2%.Wherein link stuff is EVA resin, polyamide and modified rosin, and three ingredients constitute binder couse total weight percent are respectively: EVA resin 44-48%, polyamide 19-22%, modified rosin 12-15%; Filler is talcum powder and calcium carbonate activated, and two components account for the binder couse total weight percent and are respectively: talcum powder 12-21%, calcium carbonate activated 1-2%; Auxiliary agent is the titanate ester surfactant.Surfactant specifically adopts isopropyl dodecyl benzene sulfonyl titanate esters.
Resin plays the skeleton function of main component in each layer component of wood grain paper tinsel; phenolic antioxidant can improve the weatherability of coating in the protective layer; benzophenone light stabilizer is in order to prevent strong illumination generation oxidative degradation; bromide fire retardant is used to improve the anti-flammability of coating, and the dibutyl maleate plasticizer is a transfer printing performance of improving coating.Link stuff is as the carrier of pigment in the patterned layer each component.Link stuff plays the cementation with stock in the articulamentum each component, and filler can strengthen the adhesion strength of link stuff and stock, and the titanate ester surfactant can be to increasing filling surface activity, the combination of reinforcer and link stuff.
Among the present invention, at first to prepare the coating fluid that is used to form protective layer in the thermal transfer ink layer, patterned layer, binder couse respectively, be uniformly coated on the base material film surface with coating machine successively again.Concrete steps are as follows:
A, at first use toluene and butyl ester, by after 3: 1 to 4: 1 the part by weight mixing link stuff in the protective layer being added dissolving, and then add filler and auxiliary agent in proportion, after fully grinding 12 hours, ball mill makes protective layer coating solution, evenly be coated with the thick coating of 18-20 μ m with coating machine on the base material film surface, oven dry forms protective layer and enters into subsequent processing under 40 ℃-60 ℃ temperature;
B, with toluene with cellulose dissolution, add filler and pigment more in proportion and make the patterned layer coating fluid through fully grinding, require that pigment will be uniformly dispersed, fineness is less than 2 μ m, be applied to the protective layer outside through coating machine again, oven dry forms patterned layer under 40 ℃-60 ℃ temperature, require this layer thickness 4-6 μ m, guarantee bright in luster clean, pattern is true clear attractive in appearance;
C, usefulness dimethylbenzene and isopropyl alcohol add dissolving with the link stuff in the binder couse after 3: 1 mixed, and then add filler in proportion and auxiliary agent fully grinds, form evenly, viscosity is 14-16 second under stable, 25 ℃ of conditions, fineness is less than the binder couse coating fluid of 2 μ m, be coated in the outside of patterned layer then through coating machine, thoroughly oven dry under 40 ℃-60 ℃ temperature, making this layer thickness is 10-12 μ m, becomes solid-state tough film at normal temperatures; This moment, the gross thickness of tape base and coating was that 51-59 μ m promptly forms wood grain paper tinsel of the present invention.
Three layers of coating layer that wood grain paper tinsel of the present invention adopts and compound resin; be characterized in that protective layer is between base material film and patterned layer; under the transfer printing condition, can hightail base material film and transfer to the carrier surface of undertaking the printing of with following finishing coat; the cooling back forms tough and tensile; smooth; heat-resisting; fast light; the face coat of the protection carrier of weather-proof brilliance. patterned layer is the pattern color part of whole coating system; colour match is reasonable; the wood texture complete display; the outward appearance wooden aesthetic feeling is truly distinct; weather-proof prolonged nondiscolouring bright in luster is faded. and what binder couse adopted is compound resin; dissimilar base materials is had adaptability widely, can produce high adhesion force the base material of opposed polarity.
Be the component tabulation of some embodiment below
Embodiment 1
Tape base is the thick high-strength polyester films of 19 μ m among the embodiment 1, and the gross thickness of hot transfer wood grain paper tinsel is 51 μ m.Percentage by weight one hurdle of filler, auxiliary agent, link stuff divides two subfields up and down in protective layer and the binder couse; last subfield is the percentage by weight of shared layer of each concrete component thing, and following subfield is the filler total after filler or each concrete component addition of auxiliary agent or the percentage by weight of shared layer of auxiliary agent.Wherein subfield is the multiplication formula on the auxiliary agent in the protective layer; multiplicand 0.05,0.05,0.15,0.75 is represented the percentage by weight of the shared auxiliary agent of each concrete component respectively; the percentage by weight that accounts for auxiliary agent as 0.75 expression dibutyl maleate plasticizer is 75%; four multiplicand additions equal 1; each multiplication formula long-pending is the percentage by weight of shared layer of each component, below each embodiment identical therewith.
Embodiment 2
Embodiment 3
Tape base is the thick high-strength polyester films of 20 μ m among the embodiment 2,3, and the gross thickness of hot transfer wood grain paper tinsel is 52 μ m.
Embodiment 4
Embodiment 5
Tape base is the thick high-strength polyester films of 21 μ m among the embodiment 4,5, and the gross thickness of hot transfer wood grain paper tinsel is 54 μ m.
Embodiment 6
Embodiment 7
Tape base is the thick high-strength polyester films of 19 μ m among the embodiment 6,7, and the gross thickness of hot transfer wood grain paper tinsel is 56 μ m.
Embodiment 8
Embodiment 9
Tape base is the thick high-strength polyester films of 21 μ m among the embodiment 8,9, and the gross thickness of hot transfer wood grain paper tinsel is 57 μ m.
Embodiment 10
Embodiment 11
Tape base is the thick high-strength polyester films of 21 μ m among the embodiment 10,11, and hot transfer wood grain paper tinsel gross thickness is 59 μ m.