Preparation method of multiple-positioning holographic anti-counterfeiting printing paper and products thereof
Technical field
The present invention relates to holographic false proof printing technology, particularly preparation method of a kind of multiple-positioning holographic anti-counterfeiting printing paper and products thereof.
Background technology
The paper grades of prior art is numerous and diverse, various novel special papers also emerge in an endless stream, paper with holographic false proof pattern is also widely used, but along with the development of holographic security technology, the holographic false proof manufacture method that people have realized has concealed-enciphering technology, fluorescence is encrypted holographic technique etc., there is clear picture, lucuriant in design, the feature that third dimension is strong, but the manufacture difficulty of anti-fake product is increasing, in order to achieve the above object and be difficult to again when making product attractive in appearance forge, people usually remove the pattern of the more varied complicated holographic method of design, and the method that adopts layout to add transfer realizes large area transfer, but the large area that realizes, but be only to be combined by continuous single pattern, the large area that possesses a certain effect characteristic realizes and shifting, but can not be for the pattern of multiple different antifalse effects and profile, and the position dimension between each pattern needs the accurate multiple patterns that ensure to position printing by designing requirement with ink logo and hologram pattern on printing machine, both be difficult to realize accurate positioning printing, that is to say can not be for each printing element, comprise different patterns, different colors, between the printing element that different positions and mutual position relationship etc. are associated, carry out precision setting.The location concept of prior art is the mutual location between ink different colours and the different graphic printing, and is the mutual location of printing and common holographic papers figure and shape, and many printing elements comprehensive integral location, because technical problem is difficult to realize; Holographic printing technology is also difficult to make abundanter product because it exists such defect, and solving the preparation method of multiple-positioning holographic anti-counterfeiting printing paper and manufacturing out multiple positioning holographic cheque paper is engineers and technicians' problems in the urgent need to address; Whether having a kind of paper is on position accurately and with N different laser holographic effect patterns, contain again the paper of the exquisite pattern stack of press printing, with solve justifying in existing production technology with regard to the suffered restriction of the concept of a holographic papers of a design producing and on paper multiple fine certainly bit transition difficulty defect, produce large format, high accurate, high-quality printing paper is engineers and technicians' problems in the urgent need to address; Do not see in the prior art the case that has the paper that the present invention shifts yet.
Summary of the invention
Object of the present invention be exactly in order to overcome defect that above-mentioned prior art exists, provide a kind of making by the accurate multiple patterns that ensure of the position dimension between pattern and each pattern of multiple different antifalse effects and profile by designing requirement ink logo and hologram pattern position be printed on paper, make preparation method and the multiple-positioning holographic anti-counterfeiting printing paper thereof of the whole surface of wrapping paper with the multiple-positioning holographic anti-counterfeiting printing paper of false proof word and pattern.
The object of the invention is to complete by the following technical programs:
The preparation method of a kind of multiple-positioning holographic anti-counterfeiting printing paper of the present invention, concrete steps are as follows:
The first step: hologram pattern Position Design: according to the packaging of customer requirement and false proof needs, isolate every needs of the pre-transfer paper of holographic printing, design again comprise different hologram patterns, different holographic optical becomes effect, different distance requirement, the design document original text of diverse location relation;
Second step: according to design document original text, design hologram pattern, location initial point used while comprising masking and paper processed, printing on the hologram pattern of design, deburring, laterally, longitudinal contraposition, tracker wire, cursor contraposition reference;
The 3rd step: develop production overall process variable status list, revise each technical process positioning accuracy request;
The 4th step: accurate plate-making: make holographic version according to design, holographic version is the combination of multiple patterns, control the accurate location of each pattern, between pattern, distance is accurately fixing, to ensure antifalse effect and to make its relative position consistent with design, layout equipment precision is had to requirement, makeup machine adopts accurate lead screw walking, realize the accurate layout of having moved, deformation rate for layout base material requires to be less than 0.5mm/m, each version, the origin reference location of each pattern is accurate, the location initial point of each pattern is set in the time of plate-making, in the time of combination, repeating initial point applies mechanically, realize location layout, chromatography gage line location specifies the printing of holographic false proof paper when plate-making time, complete the making of high accuracy version,
The 5th step: carry out electroforming, by holographic version make can repetitive displacement metal form;
The 6th step: film process control: film is carried out to pre-setting processing, temperature according to PET film in production stretching process and pulling force parameter, by set corresponding parameter on coating machinery, make its resilience under in the raw, carry out secondary heat treatment, adopt transparency high simultaneously, thermoplasticity is good, good weatherability, the macromolecule resin mixture that folding ability is strong is coating material, can meet printing-ink and in coating, realize directly printing, and effectively reduce the course of reaction that is cross-linked with each other of the film substrate of coating, be conducive to be isolated the clearly image of rear process procedure to film substrate,
The 7th step: accurate transfer: position mold pressing, meet required precision;
1, adopt the method for low-temperature transfer printing to film substrate, its transfer printing temperature setting sets low the point in the vitrifying TG of PET base material;
2, control the mould of mold pressing and the relative positioning of film;
3, control the deflection of mold pressing front and back film, realize location and shift;
The 8th step: mold pressing procedure parameter is accurate to be controlled:
1, version is in the time of mold pressing, on molding apparatus, there is automatic control distance, each edition carpenters square little progress row measured, automatically revise the tension force of the film being stretched, control and revise deflection by described membrane tension, molding temperature is constant, has tension force and stability to ensure in mold pressing coating link, in addition steady temperature, realizes accurate transfer;
2, moulding press has control in mechanical aspects, and by the selection of roller diameter, the diameter proportion relation collocation of roller and rubber roll also ensures mold pressing deflection minimum in ensureing enough molding pressures, reaches optimal balance point;
3, according to PET feature and PET distortion variable quantity parameter, the variable condition of stabilizing films deflection, meets continuous printing and produces, and makes holographic anti-counterfeiting film;
The 9th step: paper film is compound: carry out fixed length stretching paper, holographic anti-counterfeiting film, and it is compound to make paper and holographic anti-counterfeiting film pass through aqueous assembly glue water, adopt low temperature drying, paper distortion is little, supplements the moisture that paper is lost because drying simultaneously, and adopts coolant core control, uniform state is fully cooling, by detecting online version distance and a reponse system, adjust the uniformity of holographic anti-counterfeiting film tension force guarantee version distance simultaneously, reach this process chromatography requirement;
The tenth step: stripper surface PET film, is met the multiple-positioning holographic anti-counterfeiting printing paper of requirement.
The preparation method of a kind of multiple-positioning holographic anti-counterfeiting printing paper of the present invention, wherein: also can replace with and adopt UV glue to be transferred to base material to the method for base material at low-temperature transfer printing described in the 7th step, described UV glue is: have the curing UV glue of high-speed light.
The preparation method of a kind of multiple-positioning holographic anti-counterfeiting printing paper of the present invention, wherein: in film pre-setting processing described in the 6th step, in the mold pressing of described location, the PET film that biaxial tension forms deflection in the time of its heat mold pressing is large, PET as the pinpoint method of the material being positioned is: on coating machine, carry out high-temperature shaping, temperature is accurately aimed at PET vitrifying TG point temperature, temperature precision is controlled in the scope of vitrifying TG point temperature, under vitrification point condition and certain tension force condition, control the contraction that it produces and be naturally out of shape.
The preparation method of a kind of multiple-positioning holographic anti-counterfeiting printing paper of the present invention, wherein: described holographic false proof film comprises: general-purpose version holographic anti-counterfeiting film, encrypt holographic anti-counterfeiting film, special edition holographic anti-counterfeiting film any one.
A kind of multiple-positioning holographic anti-counterfeiting printing paper that adopts the preparation method of multiple-positioning holographic anti-counterfeiting printing paper of the present invention to make, wherein: the paper that adopts this method made is a kind of printing paper with full version holographic false proof pattern, these patterns are the hologram patterns with the multiple holographic false proof effect of positioning relation, taking this printing paper as base material, the location that adopts rear typography again to carry out pattern on this printing paper by printing machine is again printed, be referred to as multiple location, by the position of the cover one to one relation of printing element and each holographic element, can be for each printing element and holographic element, comprise pattern element, color element, between the printing element that position dimension element and mutual position relationship element are associated, carry out precision setting, accurate distance location, once print the multiple-positioning holographic anti-counterfeiting printing paper that becomes base material.
The present invention has following remarkable advantage: the present invention is intended to give by multiple location concept the definition that holographic anti-counterfeiting printing paper is new, make multiple location not only comprise the mutual location between printing-ink on paper, also comprise the location of the hologram pattern being formed by multiple location concept, it is the location forming between multiple oriented hologram patterns on printed patterns and paper, apparent excellence, precise positioning, high accuracy printing, paper of the present invention is not subject to an edition width size restriction, it is the environmental protection paper of a novel false proof type, on the large paper of printing, there is the hologram pattern of full version, can also on printing machine, position other pattern printing as base material, it is from printing having holographic paper that the development of this technology develops, to the paper can positioning printing with hologram pattern, to once locating multiple paper with hologram pattern, this differentiation can change the deficiency of existing product, improve anti-counterfeiting performance, promote printed matter class, energy-conserving and environment-protective more simultaneously, it on production efficiency and antifalse effect, is all a leap,
1) the present invention expands the film class anti-fake products such as original anti-counterfeiting mark, bracing wire, laser film to paper, makes the whole surface of wrapping paper with false proof word and pattern, thereby has greatly increased counterfeit difficulty.
2) the present invention is cost-saving, reduces the gold stamping operation of printing house.
3) sheet paper products that the present invention produces can natural degradation and recycling, be different from aluminum foil composite paper and multiple film paperboard because cannot reclaim, degraded contaminated environment.
4) multiple-positioning holographic anti-counterfeiting printing paper of the present invention does not only affect its surface printing, and can also merge with printing-ink is perfect, mutually sets off, and reaches desirable Integral decoration effect.
detailed description of the invention:
Below in conjunction with specific embodiment, the present invention will be described in detail:
The preparation method of a kind of multiple-positioning holographic anti-counterfeiting printing paper of the present invention is a kind of making by the accurate multiple patterns that ensure of the position dimension between pattern and each pattern of multiple different antifalse effects and profile by designing requirement ink logo and hologram pattern position be printed on paper, make the preparation method of the whole surface of wrapping paper with the multiple-positioning holographic anti-counterfeiting printing paper of false proof word and pattern.
Concrete steps are as follows:
The first step: hologram pattern Position Design: according to the packaging of customer requirement and false proof needs, isolate every needs of the pre-transfer paper of holographic printing, design again comprise different hologram patterns, different holographic optical becomes effect, different distance requirement, the design document original text of diverse location relation;
Second step: according to design document original text, design hologram pattern, location initial point used while comprising masking and paper processed, printing on the hologram pattern of design, deburring, laterally, longitudinal contraposition, tracker wire, cursor contraposition reference;
The 3rd step: develop production overall process variable status list, revise each technical process positioning accuracy request;
The 4th step: accurate plate-making: make holographic version according to design, holographic version is the combination of multiple patterns, control the accurate location of each pattern, between pattern, distance is accurately fixing, to ensure antifalse effect and to make its relative position consistent with design that layout equipment precision is had to requirement, makeup machine adopts accurate lead screw walking, makeup machine specifically adopts the walking of accurate stepping accuracy 0.005mm screw mandrel, realizes the accurate layout of having moved; Deformation rate for layout base material requires to be less than 0.5mm/m, the origin reference location of each version, each pattern is accurate, the location initial point of each pattern is set in the time of plate-making, in the time of combination, repeating initial point applies mechanically, realize location layout, chromatography gage line location specifies the printing of holographic false proof paper when plate-making time, completes the making of high accuracy version;
The 5th step: carry out electroforming, by holographic version make can repetitive displacement metal form;
The 6th step: film process control: film is carried out to pre-setting processing, temperature according to PET film in production stretching process and pulling force parameter, by set corresponding parameter on coating machinery, make its resilience under in the raw, carry out secondary heat treatment, adopt transparency high simultaneously, thermoplasticity is good, good weatherability, the macromolecule resin mixture that folding ability is strong is coating material, can meet printing-ink and in coating, realize directly printing, and effectively reduce the course of reaction that is cross-linked with each other of the film substrate of coating, be conducive to be isolated the clearly image of rear process procedure to film substrate,
Carry out pre-setting processing at film described in the 6th step, in the mold pressing of described location, the PET film that biaxial tension forms deflection in the time of its heat mold pressing is large, PET as the pinpoint method of the material being positioned is: on coating machine, carry out high-temperature shaping, temperature is accurately aimed at PET vitrifying TG point temperature, temperature precision is controlled in the scope of vitrifying TG point temperature, under vitrification point condition and certain tension force condition, controls the contraction that it produces and is naturally out of shape;
The 7th step: accurate transfer: position mold pressing, meet required precision;
1, adopt the method for low-temperature transfer printing to film substrate, its transfer printing temperature setting sets low the point in the vitrifying TG of PET base material; Also low-temperature transfer printing can be replaced with and adopt UV glue to be transferred to base material, described UV glue is to have the curing UV glue of high-speed light;
2, control the mould of mold pressing and the relative positioning of film;
3, control the deflection of mold pressing front and back film, realize location and shift;
The 8th step: mold pressing procedure parameter is accurate to be controlled:
1, version is in the time of mold pressing, on molding apparatus, there is automatic control distance, each edition carpenters square little progress row measured, automatically revise the tension force of the film being stretched, control and revise deflection by described membrane tension, molding temperature is constant, has tension force and stability to ensure in mold pressing coating link, in addition steady temperature, realizes accurate transfer;
2, moulding press has control in mechanical aspects, and by the selection of roller diameter, the diameter proportion relation collocation of roller and rubber roll also ensures mold pressing deflection minimum in ensureing enough molding pressures, reaches optimal balance point;
3, according to PET feature and PET distortion variable quantity parameter, the variable condition of stabilizing films deflection, meets continuous printing and produces, and makes holographic anti-counterfeiting film;
The 9th step: paper film is compound: carry out fixed length stretching paper, holographic anti-counterfeiting film, and it is compound to make paper and holographic anti-counterfeiting film pass through aqueous assembly glue water, adopt low temperature drying, paper distortion is little, supplements the moisture that paper is lost because drying simultaneously, and adopts coolant core control, uniform state is fully cooling, by detecting online version distance and a reponse system, adjust the uniformity of holographic anti-counterfeiting film tension force guarantee version distance simultaneously, reach this process chromatography requirement;
The tenth step: stripper surface PET film, is met the multiple-positioning holographic anti-counterfeiting printing paper of requirement.
Holographic false proof film of the present invention comprises: general-purpose version holographic false proof film, encrypt holographic false proof film, special edition holographic false proof film any one.
The paper that adopts this method made is a kind of printing paper with full version holographic false proof pattern, these patterns are the hologram patterns with the multiple holographic false proof effect of positioning relation, taking this printing paper as base material, the location that adopts rear typography again to carry out pattern on this printing paper by printing machine is again printed, be referred to as multiple location, by the position of the cover one to one relation of printing element and each holographic element, can be for each printing element and holographic element, comprise pattern element, color element, between the printing element that position dimension element and mutual position relationship element are associated, carry out precision setting, accurate distance location, once print the multiple-positioning holographic anti-counterfeiting printing paper that becomes base material.The multiple-positioning holographic anti-counterfeiting printing paper of made of the present invention can be used as the base material pattern that is again beautifully printed, and also can directly directly use as high-grade wrapping paper.
The invention provides the pattern of a kind of making by multiple different antifalse effects and profile, and the accurate multiple patterns that ensure of position dimension between each pattern position and are printed on paper with ink logo and hologram pattern by designing requirement, make the preparation method of the whole surface of wrapping paper with the multiple-positioning holographic anti-counterfeiting printing paper of false proof word and pattern, produce multiple-positioning holographic anti-counterfeiting printing paper simultaneously, on printing machine, can be again using described holographic anti-counterfeiting printing paper as the base material large paper of precise positioning printing again, multiple-positioning holographic anti-counterfeiting printing paper is a kind of environment-friendly type, there is no the antifalse paper of plastic foil, location is before printing, on paper, design and fabrication goes out to have the laser graphics of fixed position and the light of special-effect change figure, in the time of printing, precisely overlap position printing with ink figure, can obtain special printing effect and the safety anti-fake characteristic that on traditional printing paper, can not obtain, multiple-positioning holographic anti-counterfeiting printing paper belongs to the front image processing of seal, in conjunction with the design of printed pattern, to the large space of a whole page, many patterns, multiposition is related to that the height of pattern precisely prints, meet the requirement that becomes increasingly complex of holographic production technique, improve anti-counterfeiting power, (half is stealthy to produce various optical lasers effects, locating laser is gold stamping, phototropic, concealed-enciphering, micro text, laser is gold stamping etc.), like this, obtain multiple effect by one-step print, cost-saving, reduce the gold stamping operation of printing house.