CN102296485A - Watermarked paper having multiple observed effects, and preparation method thereof - Google Patents
Watermarked paper having multiple observed effects, and preparation method thereof Download PDFInfo
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- CN102296485A CN102296485A CN2011102416427A CN201110241642A CN102296485A CN 102296485 A CN102296485 A CN 102296485A CN 2011102416427 A CN2011102416427 A CN 2011102416427A CN 201110241642 A CN201110241642 A CN 201110241642A CN 102296485 A CN102296485 A CN 102296485A
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Abstract
The invention relates to watermarked paper having multiple observed effects, and a preparation method thereof. The invention provides the watermarked paper having multiple observed effects at first, wherein a watermarked part of the watermarked paper having multiple observed effects contains one or more materials with optical characteristics and the one or more materials are selected from energy-storage luminous materials, fluorescent materials, ultraviolet luminous materials and infrared luminous materials. Watermarked patterns of the watermarked paper cannot only be observed in a light transmission way but also be observed in a stimulated emitted light or afterglow way under irradiation of corresponding lights adopted according to applied different materials with optical characteristics, wherein light sources of the adopted lights are an ultraviolet light source, a infrared light source or a natural light source. The invention also provides preparation method of the watermarked paper having multiple observed effects, wherein the preparation method comprises the step of applying a material with optical characteristics on a watermarked part of the watermarked paper. Compared with general watermarked paper, the watermarked paper having multiple observed effects has better anti-counterfeiting effects and thus the watermarked paper having multiple observed effects is more difficult to be counterfeited.
Description
Technical field
The present invention relates to a kind of anti-forge paper and preparation method thereof, relate in particular to a kind of water marked paper and preparation method thereof, belong to the anti-forge paper preparing technical field with many observing effects.
Background technology
Watermark is a traditional anti-counterfeiting technology, is an a kind of widely used line anti-counterfeiting technology, has been widely used in since it comes out on the cheque paper such as bank-note paper.
Water marked paper mainly is to manufacture paper with pulp by cylinder or long mesh paper making machine, in the process of manufacturing paper with pulp, paper pulp can be deposited on watermark net or the dandyprat, and the surface height of watermark net or dandyprat is different, can make the fiber accumulations degree difference of zones of different, thereby after becoming paper, form watermark, during by the viewed in transmitted light water marked paper in corresponding zone, paper can present look squarely or the reverberation condition under the pattern that can't see, watermark that Here it is.According to the difference of watermark moulding process, can be divided into Heisui River seal, plain boiled water seal, multi-level artistic watermark and high optical watermark etc. substantially.But the watermark of conventional water marked paper can only be passed through viewed in transmitted light under the stronger condition of light, can't observe watermark recovery under the condition of dark, and the production method of watermark for a long time, anti-counterfeiting characteristic do not have too big variation, also is forged easily.
Anti-fake material with optical signature mainly contains energy-saving luminous material, fluorescent material, infra-red material etc.The application of these materials on paper also increases day by day, but is mainly used in printing, and it is presented on the paper with certain pattern.These patterns can be observed under special light, can absorb energy and luminous at the dark place as energy-saving luminous material when light is arranged, and fluorescent material can be luminous under ultraviolet irradiation, and infrared lumious material develops the color luminous under infrared radiation.But the printing technology ratio is easier to grasp, and the fake producer is easy to the paper that has above-mentioned anti-fake material be imitated by printing.
Summary of the invention
For solving the problems of the technologies described above, the object of the present invention is to provide a kind of water marked paper,, obtain a kind of water marked paper with multiple observing effect by luminous anti-fake material is combined with digital watermark, this water marked paper has the antifalse effect that is higher than general water marked paper, can avoid better being forged.
The present invention also aims to provide the preparation method of above-mentioned water marked paper.
The present invention also aims to provide the anti-counterfeiting product for preparing with above-mentioned water marked paper.
For achieving the above object, the present invention at first provides a kind of water marked paper with many observing effects, wherein, the optical signature material is contained at the watermark position of this water marked paper, and, this optical signature material comprises one or more in energy-saving luminous material, fluorescent material, ultra-violet light-emitting material and the infrared lumious material etc., for example commercially available energy-accumulating luminous powder, fluorescent material and infraluminescence powder etc.
In paper, the formation of watermark depends on the accumulation difference of fiber, and the present invention adds above-mentioned optical signature material by the watermark position in paper, its this feature of distribution on paper and watermark is associated, form following effect: under the natural daylight condition, pass through viewed in transmitted light, watermark presents integral multi-layered time, the pattern that the light and shade contrast is clearly demarcated, there is not obvious characteristic by viewed in reflected light, and owing to added above-mentioned optical signature material, after the watermark position accumulation of energy in the paper under no light source condition, under the UV-irradiation or under the infrared light irradiation, or the mode by stimulated light emission or twilight sunset can be observed with natural daylight transmission condition under the pattern that is identical of watermark recovery, and have the stereoeffect that tangible fiber thickness difference is brought.Above-mentioned effect can be presented as the whole or local of natural daylight transmission watermark recovery, and promptly the optical signature material can discharge the Zone Full at watermark recovery, also can only discharge the regional area at watermark recovery.
In order to improve the antifalse effect of water marked paper, preferably, the material that has the signal of telecommunication and/or magnetic signal etc., for example commercially available electromagnetic material can also be contained in the watermark position of above-mentioned water marked paper.
According to the difference that adds optical signature material (being anti-counterfeiting substances), paper presents different corresponding watermark effect, watermark not only can be observed by transmitted ray, also can under dark surrounds or special light, observe, for example: adopt UV-irradiation, infrared light irradiation or under certain accumulation of energy situation in the dark place as seen.And, above-mentioned water marked paper provided by the present invention with many observing effects can also be implemented in look squarely or the reverberation condition under observe.And the watermark effect that this water marked paper had can't be faked by modes such as duplicating, printing, simpler production, has good antifalse effect and very high antiforge function, has realized the false proof and false proof combination in two wires of a line.
The present invention also provides above-mentioned preparation method with water marked paper of many observing effects, and wherein, this method is included in the step of the watermark position dispensing optical signature material of water marked paper.
Above-mentioned preparation method provided by the present invention is in the process of paper sheet formation, optical signature material dispensing that can be luminous under given conditions is at watermark location, through squeezing, drying, form a kind of watermark paper that under special light condition, can represent multiple observing effect watermark then.Wherein, preferably, be meant at page at wire-cloths, still in the l Water Paper page or leaf, the optical signature material be applied to the watermark position of the l Water Paper page or leaf that obtains of manufacturing paper with pulp at the watermark position of water marked paper dispensing optical signature material.In the present invention, the dispensing of the optical signature material that is adopted can be spurted or powder mode such as spurt realizes by atomizing, and wherein, atomizing is spurted with powder and spurted all and can realize by atomizing lance.Preferably, when spurting, the optical signature material that spurts and the angle of l Water Paper page or leaf are controlled to be 45 ° ± 20 °.
When discharging, if the optical signature material is a liquid, can directly discharge, for example discharge by atomizing lance.
When the optical signature material is solid (general Solid feature material is a pressed powder), can adopt can dry method the equipment dispensing of atomizing, can carry out with reference to the existing powder mode of spurting, discharge again after also the optical signature material can being made liquid with certain mobile performance, preferably, after being mixed with dispersing liquid, discharges again the optical signature material.Different optical signature material selections do not have chemical reaction with it, and can provide the well suspended performance, the dispersing liquid of mobile performance, preferably, the dispersing liquid that is adopted is a water, the aqueous solution of starch (concentration is 0.5-10.0wt%), the aqueous solution of polyvinyl alcohol (concentration is 0.5-10.0wt%), the aqueous solution of sodium carboxymethylcellulose (concentration is 0.5-5.0wt%), the aqueous solution of polyvinylpyrrolidone (concentration is 0.5-30.0wt%), aqueous polyurethane (concentration is 1.0-50.0wt%) and organic solvent (ether for example, acetone, ethanol, benzene etc.) etc. one or more in.Wherein, the weight ratio of optical signature material and dispersing liquid may be controlled to 1: 100 to 1: 1, preferably is controlled to be 1: 10 to 1: 1.Before dispensing, prepare dispersing liquid as required earlier, then solid material is evenly mixed with it, store and prepare dispensing.
The present invention is chosen in dispensing optical signature material when paper still is the l Water Paper page or leaf in the paper-making process, be because the paper fibre layer of this moment is not squeezed, the accumulation and the page other parts of watermark position fiber have very big difference, be mainly reflected on the thickness of fiber accumulations, the place that watermark is whiter, the fiber accumulations layer is thinner, watermark presents black place, the fiber accumulations layer is thicker, in the difference that has formed on the page on " landform " meaning, at this moment discharge optical signature material in paper watermark spots localization with certain flowability, the optical signature material can be at the watermark position according to the certain distribution of the different generations of the degree of fiber accumulations, thereby make its distribution embody the feature of watermark, (the optical signature material can be with the form dispensing of atomizing promptly to show watermark recovery, when the spray that contains the optical signature material rushes at the l Water Paper page or leaf, spray is subjected to the interference of fiber accumulations difference in height on the l Water Paper page or leaf, make optical signature material in the spray concentrate to station more in fiber accumulations, higher face, thereby embody the watermark effect that the fiber accumulations difference in height is embodied, had the watermark feature, the amount of stationing of optical signature material has determined the luminous quantity at this place of page, the optical signature material of stationing is many more, luminous quantity under situation about being excited is big more), thus make watermark under different observation conditions, produce different effects.During dispensing optical signature material, spray gun and paper shape are had a certain degree, can make watermark recovery obtain best presenting, preferably, when spurting, the angle of spray gun and paper is controlled to be 45 degree ± 20 degree.
In the dispensing process, can earlier optical signature material (the perhaps mixture of optical signature material and dispersing liquid) be placed reservoir vessel, discharge by applicator then.Wherein, the dispensing of being adopted can be the conventional applicator of this area, and preferably, above-mentioned dispensing realizes by atomizing lance.The application site of above-mentioned optical signature material mainly is the watermark position, therefore can adopt the mode of location dispensing.
In technical scheme provided by the invention, can be by adjusting pressure, the bore of spray gun and the addition that compressed-air actuated pressure is regulated optical material of supplying with gun material.In technical scheme provided by the invention, the pressure of supplying with material apparatus may be controlled to from 0bar to 10bar, the bore of spray gun is regulated and be may be controlled to from 0.02mm to 2mm, and compressed-air actuated pressure may be controlled to from 0.02bar to 10bar, and these can be regulated as required.
In cheque paper provided by the present invention, with respect to oven dry stock, the addition of optical signature material can be about 0.05wt%-10.0wt%.
In the preparation method of the water marked paper with many observing effects provided by the invention, except the step of dispensing optical signature material, other step all can be carried out with reference to the conventional preparation method of water marked paper.
The present invention also provides a kind of anti-counterfeiting product, and it is to be made by above-mentioned water marked paper with many observing effects.Preferably, above-mentioned anti-counterfeiting product is banknote, marketable securities, check, draft or documentation of identity etc.
Water marked paper with many observing effects provided by the invention not only has conventional watermark effect, also has the watermark effect that to observe under given conditions, this watermark recovery effect can reflect that fiber is poor in the piling height of watermark place, thereby embody certain stereoeffect, and, optical signature material in the cheque paper provided by the present invention is positioned at paper inside, its antifalse effect can't duplicate by means such as duplicating, printings, have antifalse effect and higher antiforge function preferably, realized the false proof and false proof combination in two wires of a line.
Description of drawings
Fig. 1 is the preparation technology's flow chart with water marked paper of many observing effects provided by the present invention.
The specific embodiment
Understand for technical characterictic of the present invention, purpose and beneficial effect being had more clearly, existing technical scheme of the present invention is carried out following detailed description, but but can not be interpreted as qualification practical range of the present invention.
Water marked paper with many observing effects provided by the present invention can prepare according to following concrete steps, its technological process as shown in Figure 1:
1, watermark system net: prepare the watermark version according to predetermined design, welding obtains the watermark cylinder mould, and cover installs on the dandyprat then;
2, page is manufactured paper with pulp: manufacture paper with pulp according to conventional method, raw material is made paper pulp and prepared the l Water Paper page or leaf, utilize applicator (for example atomizing lance) with the optical signature material (if the optical signature material is a pressed powder, then earlier with its with discharge again after dispersing liquid mixes, be this dispensing mode shown in Fig. 1; Also can adopt the dry powder atomizing type to discharge, promptly utilize spray gun directly to spurt powder) be applied to the watermark position of the l Water Paper page or leaf that is arranged in wet end;
3, become paper: the l Water Paper page or leaf that has discharged the optical signature material is squeezed, drying, top sizing, later stage drying, press polish, batches processing, obtain into paper, promptly have the water marked paper of many observing effects.
Will guarantee the position of discharging in the process of dispensing optical signature material, the optical signature material arrangements that requires to spurt is to the watermark position, can realize discharging the fixed-site of material at the watermark position by a mode of fixedly spurting.
Embodiment 1
Present embodiment provides a kind of water marked paper with many observing effects, be added with accumulation of energy optical signature material in this water marked paper, the optical signature material that adopts is energy-accumulating luminous powder (manufacturer: Dalian Lu Ming Science and Technology Co., Ltd.), the dispersing liquid that is adopted is an amidin, concentration is 2wt%, and the weight ratio of energy-accumulating luminous powder and dispersing liquid is 1: 10.
The preparation method of above-mentioned water marked paper may further comprise the steps:
1, watermark system net: prepare the watermark version according to predetermined design, welding obtains the watermark cylinder mould, and cover installs on the dandyprat then;
2, page is manufactured paper with pulp: manufacture paper with pulp according to conventional method, obtain the l Water Paper page or leaf, the optical signature material mixed with dispersing liquid obtain the optical signature material blends, with the above-mentioned optical signature material blends applicator of packing into, utilize fixing atomizing lance in the paper machine operation process, the optical signature material blends to be applied to the watermark position of l Water Paper page or leaf, wherein, the use amount of energy-accumulating luminous powder is 1wt% (with respect to a page oven dry stock weight);
3, become paper: the l Water Paper page or leaf that has discharged the optical signature material is squeezed, drying, top sizing, later stage drying, press polish, batches processing, obtain dried page, promptly have the water marked paper of many observing effects.
The above-mentioned water marked paper that present embodiment provided has can observe watermark under traditional approach, again can be under dark condition, adopting accumulation of energy modes such as thermal source heating or UV-irradiation to observe many observing effects of watermark, is a kind of water-mark fake-proof paper goods with good antifalse effect.
Embodiment 2
Present embodiment provides a kind of water marked paper with many observing effects, wherein, be added with infrared lumious material and energy-saving luminous material in this water marked paper as the optical signature material, the infrared lumious material that adopts is infraluminescence powder (the vast Green in Beijing High Seience Technology Co., Ltd.), energy-saving luminous material is energy-accumulating luminous powder (the vast Green in Beijing High Seience Technology Co., Ltd.), the dispersing liquid that is adopted is a polyvinyl alcohol water solution, concentration is 1wt%, the part by weight of infraluminescence powder and energy-accumulating luminous powder is 1: 1, and the weight ratio of both weight sums and dispersing liquid is 1: 5.
The preparation method of above-mentioned water marked paper may further comprise the steps:
1, watermark system net: prepare the watermark version according to predetermined design, welding obtains the watermark cylinder mould, and cover installs on the dandyprat then;
2, page is manufactured paper with pulp: manufacture paper with pulp according to conventional method, obtain the l Water Paper page or leaf, optical signature material (comprising energy-accumulating luminous powder and infraluminescence powder) mixed with dispersing liquid obtain the optical signature material blends, with the above-mentioned optical signature material blends applicator of packing into, utilize fixing atomizing lance in the paper machine operation process, the optical signature material blends to be applied to the watermark position of l Water Paper page or leaf, wherein, the use amount of optical signature material (comprising energy-accumulating luminous powder and infraluminescence powder) is 8wt% (with respect to a page oven dry stock weight);
3, become paper: the l Water Paper page or leaf that has discharged the optical signature material is squeezed, drying, top sizing, later stage drying, press polish, batches processing, obtain dried page, promptly have the water marked paper of many observing effects.
The above-mentioned water marked paper that present embodiment provided has can observe watermark under traditional approach, again can be under dark condition, adopting the observation special effect watermark of infrared light radiation modality and adopt accumulation of energy modes such as thermal source heating or UV-irradiation to observe many observing effects of special effect watermark, is a kind of water-mark fake-proof paper goods with good antifalse effect.
Embodiment 3
Present embodiment provides a kind of water marked paper with many observing effects, wherein, is added with fluorescent material in this water marked paper, the fluorescent material that adopts is a fluorescent material, the dispersing liquid that is adopted is the CMC aqueous solution, and concentration is 0.5wt%, and the weight ratio of fluorescent material and dispersing liquid is 1: 50.
The preparation method of above-mentioned water marked paper may further comprise the steps:
1, watermark system net: prepare the watermark version according to predetermined design, welding obtains the watermark cylinder mould, and cover installs on the dandyprat then;
2, page is manufactured paper with pulp: manufacture paper with pulp according to conventional method, obtain the l Water Paper page or leaf, fluorescent material mixed with dispersing liquid obtain the fluorescent material mixture, with the above-mentioned fluorescent material mixture applicator of packing into, utilize fixing atomizing lance in the paper machine operation process, the fluorescent material mixture to be applied to the watermark position of l Water Paper page or leaf, wherein, the use amount of fluorescent material is 3wt% (with respect to a page oven dry stock weight);
3, become paper: the l Water Paper page or leaf that has discharged fluorescent material is squeezed, drying, top sizing, later stage drying, press polish, batches processing, obtain dried page, promptly have the water marked paper of many observing effects.
The above-mentioned water marked paper that present embodiment provided has can observe watermark under traditional approach, again can be under dark condition, adopting the UV-irradiation mode to observe many observing effects of special effect watermark, is a kind of water-mark fake-proof paper goods with good antifalse effect.
Embodiment 4
Present embodiment provides a kind of water marked paper with many observing effects, wherein, be added with fluorescent material in this water marked paper, the fluorescent material that adopts is infraluminescence powder (the vast Green in Beijing High Seience Technology Co., Ltd.), the dispersing liquid that is adopted is an aqueous polyurethane solution, concentration is 20wt%, and the weight ratio of fluorescent material and dispersing liquid is 1: 80.
The preparation method of above-mentioned water marked paper may further comprise the steps:
1, watermark system net: prepare the watermark version according to predetermined design, welding obtains the watermark cylinder mould, and cover installs on the dandyprat then;
2, page is manufactured paper with pulp: manufacture paper with pulp according to conventional method, obtain the l Water Paper page or leaf, fluorescent material mixed with dispersing liquid obtain the fluorescent material mixture, with the above-mentioned fluorescent material mixture applicator of packing into, utilize fixing atomizing lance in the paper machine operation process, the fluorescent material mixture to be applied to the watermark position of l Water Paper page or leaf, wherein, the use amount of fluorescent material is 6wt% (with respect to a page oven dry stock weight);
3, become paper: the l Water Paper page or leaf that has discharged fluorescent material is squeezed, drying, top sizing, later stage drying, press polish, batches processing, obtain dried page, promptly have the water marked paper of many observing effects.
The above-mentioned water marked paper that present embodiment provided has can observe watermark under traditional approach, again can be under dark condition, adopting the infrared light radiation modality to observe many observing effects of special effect watermark, is a kind of water-mark fake-proof paper goods with good antifalse effect.
Embodiment 5
Present embodiment provides a kind of water marked paper with many observing effects, wherein, be added with fluorescent material in this water marked paper, the fluorescent material that adopts is a fluorescent material, the dispersing liquid that is adopted is the polyvinylpyrrolidone aqueous solution, concentration is 15wt%, and the weight ratio of fluorescent material and dispersing liquid is 1: 100.
The preparation method of above-mentioned water marked paper may further comprise the steps:
1, watermark system net: prepare the watermark version according to predetermined design, welding obtains the watermark cylinder mould, and cover installs on the dandyprat then;
2, page is manufactured paper with pulp: manufacture paper with pulp according to conventional method, obtain the l Water Paper page or leaf, fluorescent material mixed with dispersing liquid obtain the fluorescent material mixture, with the above-mentioned fluorescent material mixture applicator of packing into, utilize fixing atomizing lance in the paper machine operation process, the fluorescent material mixture to be applied to the watermark position of l Water Paper page or leaf, wherein, the use amount of fluorescent material is 10wt% (with respect to a page oven dry stock weight);
3, become paper: the l Water Paper page or leaf that has discharged fluorescent material is squeezed, drying, top sizing, later stage drying, press polish, batches processing, obtain dried page, promptly have the water marked paper of many observing effects.
The above-mentioned water marked paper that present embodiment provided has can observe watermark under traditional approach, again can be under dark condition, adopting the UV-irradiation mode to observe many observing effects of special effect watermark, is a kind of water-mark fake-proof paper goods with good antifalse effect.
Embodiment 6
Present embodiment provides a kind of water marked paper with many observing effects, wherein, is added with fluorescent material in this water marked paper, and the fluorescent material of employing is a fluorescent material, and the dispersing liquid that is adopted is an ether, and the weight ratio of fluorescent material and dispersing liquid is 1: 80.
The preparation method of above-mentioned water marked paper may further comprise the steps:
1, watermark system net: prepare the watermark version according to predetermined design, welding obtains the watermark cylinder mould, and cover installs on the dandyprat then;
2, page is manufactured paper with pulp: manufacture paper with pulp according to conventional method, obtain the l Water Paper page or leaf, fluorescent material mixed with dispersing liquid obtain the fluorescent material mixture, with the above-mentioned fluorescent material mixture applicator of packing into, utilize fixing atomizing lance in the paper machine operation process, the fluorescent material mixture to be applied to the watermark position of l Water Paper page or leaf, wherein, the use amount of fluorescent material is 0.1wt% (with respect to a page oven dry stock weight);
3, become paper: the l Water Paper page or leaf that has discharged fluorescent material is squeezed, drying, top sizing, later stage drying, press polish, batches processing, obtain dried page, promptly have the water marked paper of many observing effects.
The above-mentioned water marked paper that present embodiment provided has can observe watermark under traditional approach, again can be under dark condition, adopting the UV-irradiation mode to observe many observing effects of special effect watermark, is a kind of water-mark fake-proof paper goods with good antifalse effect.
Embodiment 7
Present embodiment provides a kind of water marked paper with many observing effects, wherein, is added with fluorescent material in this water marked paper, and the fluorescent material of employing is a fluorescent material, and the mode of spurting that is adopted is that mode is spurted in the dry powder atomizing.
The preparation method of above-mentioned water marked paper may further comprise the steps:
1, watermark system net: prepare the watermark version according to predetermined design, welding obtains the watermark cylinder mould, and cover installs on the dandyprat then;
2, page is manufactured paper with pulp: manufacture paper with pulp according to conventional method, obtain the l Water Paper page or leaf, adopt the dry powder atomizing mode of spurting to spurt fluorescent material, the model that the equipment that adopts reaches spraying equipment Co., Ltd for doctor is that (use amount of fluorescent material is 0.1wt% for the powder electrostatic spray gun of bd-979, with respect to page oven dry stock weight), in the paper machine operation process, the fluorescent material mixture is applied to the watermark position of l Water Paper page or leaf;
3, become paper: the l Water Paper page or leaf that has discharged fluorescent material is squeezed, drying, top sizing, later stage drying, press polish, batches processing, obtain dried page, promptly have the water marked paper of many observing effects.
The above-mentioned water marked paper that present embodiment provided has can observe watermark under traditional approach, again can be under dark condition, adopting the UV-irradiation mode to observe many observing effects of special effect watermark, is a kind of water-mark fake-proof paper goods with good antifalse effect.
Test case
The water marked paper that the foregoing description 1-3 is obtained detects, and mainly contains two: the one, and the effect of observing the watermark figure that different luminescent materials forms under given conditions; The 2nd, the durability of anti-counterfeiting characteristic, just anti-fold performance.Concrete method of testing is as follows:
Anti-counterfeiting characteristic combines the method for inspection of fastness with paper:
A.1, principle:
This method of inspection can the checking security feature combine fastness with paper by the method for anti-fold.
A.2, sampling method:
Get the paper that has anti-counterfeiting characteristic in the product by the regulation of GB/T 450-2002.
A.3, instrument and material:
Anti-counterfeiting characteristic combines the method for inspection employing of fastness with paper instrument and material are:
A) the IGT test instrument of anti-fold;
B) byssus gloves;
A.4, test condition:
Anti-counterfeiting characteristic combines the test condition of the method for inspection of fastness with paper:
A) environment temperature (23 ± 1) ℃;
B) relative humidity (50 ± 2) %;
C) testing staff should wear the byssus gloves in operating process.
A.5, detect step:
Anti-counterfeiting characteristic combines the checking procedure of the method for inspection of fastness with paper:
A) will be in thermostatic constant wet chamber the tested position of the test specimen of balance after 4 hours, be cut into the square of 60mm * 60mm;
B) with on the IGT test instrument of anti-fold with roll device square sample is rolled into cylindric, put into sleeve pipe, cover block, press the lifting stone roller once;
C) take out sample, under the condition that does not contact the anti-counterfeiting characteristic position, sample is shakeout, the damaed cordition of observing anti-counterfeiting characteristic also writes down the fold number of times of sample successively; Then sample is rotated an angle of 90 degrees, repeat the b step, after all finished on positive four limits, the reverse side at sample repeated above-mentioned steps again, so hocketed until fold operation terminal point.
A.6, decision condition as a result
Be entirely fold operation terminal point with anti-counterfeiting characteristic basic loss in the sample.
A.7, expression of results
In dark surrounds, when adopting corresponding light that the watermark position is shone, as: adopt the water marked paper of fluorescent material just to adopt ultra violet lamp, adopt infrared lumious material just to adopt infrared lamp to shine, if adopt energy-saving luminous material then can use uviol lamp, light sources such as fluorescent lamp irradiation recession removes light source, watermark recovery in the paper still can present brightly, and this pattern and its watermark recovery under natural daylight viewed in transmittance condition are basic identical, and have certain third dimension.
This method of inspection is expressed as experimental result: when fold operation terminal point, and the fold number of times of sample.In order to satisfy the serviceability requirement of paper, the present invention requires the number of times of anti-fold should be higher than 16 times, and the result proves that the water marked paper that embodiment 1-3 is provided all can reach above-mentioned requirements.
Claims (10)
1. water marked paper with many observing effects, wherein, the optical signature material is contained at the watermark position of this water marked paper, and described optical signature material comprises one or more in energy-saving luminous material, fluorescent material, ultra-violet light-emitting material and the infrared lumious material.
2. the water marked paper with many observing effects according to claim 1, wherein, the material that has the signal of telecommunication and/or magnetic signal is also contained at the watermark position of this water marked paper.
3. claim 1 or 2 described preparation methods with water marked paper of many observing effects, wherein, this method is included in the step of the watermark position dispensing optical signature material of water marked paper.
4. preparation method according to claim 3, wherein, described watermark position dispensing optical signature material at water marked paper is meant the watermark position that the optical signature material is applied to the l Water Paper page or leaf that obtains of manufacturing paper with pulp.
5. preparation method according to claim 4, wherein, described dispensing is to realize by the mode that atomizing is spurted or powder spurts, preferably, when spurting, the optical signature material that spurts and the angle of l Water Paper page or leaf are controlled to be 45 ° ± 20 °.
6. according to claim 4 or 5 described preparation methods, wherein, after mixing with dispersing liquid, discharges again described optical signature material, preferably, described dispersing liquid is one or more in the aqueous solution, aqueous polyurethane and the organic solvent of the aqueous solution, polyvinylpyrrolidone of the aqueous solution, the sodium carboxymethylcellulose of the aqueous solution, the polyvinyl alcohol of water, starch.
7. preparation method according to claim 3, wherein, with respect to oven dry stock, the addition of described optical signature material is 0.05wt%-10.0wt%.
8. preparation method according to claim 6, wherein, the weight ratio of described optical signature material and described dispersing liquid is 1: 100 to 1: 1.
9. anti-counterfeiting product, it is to be made by claim 1 or 2 described water marked papers with many observing effects.
10. anti-counterfeiting product according to claim 9, wherein, this anti-counterfeiting product is banknote, marketable securities, check, draft or documentation of identity.
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| CN103628360A (en) * | 2013-12-04 | 2014-03-12 | 福建省晋江优兰发纸业有限公司 | Color transparent water marked paper and manufacturing method thereof |
| CN105842244A (en) * | 2016-03-25 | 2016-08-10 | 保定钞票纸业有限公司 | Paper identity recognition and tracing system through paper inherent information |
| CN107407056A (en) * | 2015-02-27 | 2017-11-28 | 特种东海制纸株式会社 | Package paper |
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| CN108913128A (en) * | 2018-07-25 | 2018-11-30 | 保定钞票纸业有限公司 | The rear-earth-doped luminous material of surface hydrophilic modification and anti-forge paper containing the material |
| CN110512462A (en) * | 2019-08-09 | 2019-11-29 | 东莞市骏兴机械科技有限公司 | A kind of device for eliminating paper web internal stress |
| CN110512462B (en) * | 2019-08-09 | 2024-02-09 | 东莞市骏兴机械科技有限公司 | Device for eliminating internal stress of paper web |
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Address after: No.2166, Shengxing West Road, Baoding City, Hebei Province 071071 Patentee after: BAODING BANKNOTE PAPER Co.,Ltd. Patentee after: China Banknote Printing and Minting Group Co.,Ltd. Address before: No.2166, Shengxing West Road, Baoding City, Hebei Province 071071 Patentee before: BAODING BANKNOTE PAPER Co.,Ltd. Patentee before: CHINA BANKNOTE PRINTING AND MINTING Corp. |
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