CN105463943B - A kind of cheque paper and its manufacture method - Google Patents
A kind of cheque paper and its manufacture method Download PDFInfo
- Publication number
- CN105463943B CN105463943B CN201610011312.1A CN201610011312A CN105463943B CN 105463943 B CN105463943 B CN 105463943B CN 201610011312 A CN201610011312 A CN 201610011312A CN 105463943 B CN105463943 B CN 105463943B
- Authority
- CN
- China
- Prior art keywords
- lithocyte
- paper
- slurry
- component
- paper making
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
- D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
- D21H23/04—Addition to the pulp; After-treatment of added substances in the pulp
Abstract
The invention discloses a kind of cheque paper and its manufacture method.The manufacture method of cheque paper includes:Lithocyte component is dyed, then the lithocyte component after dyeing is added in paper making pulp system, paper making is carried out and obtains cheque paper.By the above-mentioned means, the present invention can provide the manufacture method of the simple cheque paper easily implemented.
Description
Technical field
Field of papermaking of the present invention, and in particular to a kind of cheque paper and its manufacture method.
Background technology
Cheque paper belongs to the category of speciality paper, and the cheque paper of early stage is mainly used in printing of bank note, with science and technology
The continuous increase of progress and consumption market to anti-fake paper demand, research and development, the production of cheque paper are gradually highly valued,
Have been widely used for label, ticket, package paper at present.In the market existing cheque paper and anti-counterfeiting technology mainly have with
Under it is several:
(1) water marked paper, it is that wet web forms certain identification pattern in forming process, can under general backlight irradiation
To see Clear & Transparent watermark recovery.Such as before web part of paper machine enters suction flat box, a set of watermark ornamenting roller is installed additional, or adopt
With figuratum rotary screen cage is carved, the fixed pattern being just carved on ornamenting roller when page finalizes the design almost imprints out regular array
Slightly indent same watermark pattern;
(2) fluorescent fiber paper and coloured fibre paper, by the fluorescent fiber prepared addition in paper, under visible light,
Various marks in paper are in hidden state, but under ultraviolet light, specific pictograph will display;In addition also
There is coloured fibre paper, partly will be added in certain proportion among paper by the fiber of dyeing in advance, in shaping
It can be seen that thread colored fiber on paper surface;
(3) chemistry encryption paper, adds special compound, this paper applies again in paper pulp or in paper for surface sizing
It can be developed the color after upper specific chemical reagent or show fluorescence;
(4) laser holographic anti-counterfeit paper, is divided into film-sticking paper and pure paper, and film-sticking paper is that holographic laser film is fitted in into paper surface
After be combined, and pure paper is that laser holograph directly is imprinted on into paper surface by advanced stamping technique;
(5) nanometer watermark paper, will be assembled into electrical or magnetic nano particle in atom nuclear track, formed have with
The track stereoscopic column of machine distribution, wherein the particle diameter of nano particle is in 10-30nm;
(6) Reversible temperature passes through microcapsules technology, after temperature reaches a certain particular range, material to color-changing anti-counterfeit paper
Color can change in time, and when temperature is recovered, color also changes therewith.
False proof paper producing technology had both protected the good reputation of high-quality enterprise above, while also protected the interests of consumer, was
Ensure that the production and living of the mankind serve very important effect, be that existing market applies upper very important anti-counterfeiting technology hand
Section, but technical sophistication, enforcement difficulty is larger, and needs to aid in by part auxiliary equipment or price material costly
Implement to complete
The content of the invention
The present invention solves the technical problem of how to provide a kind of manufacture method of the simple cheque paper easily implemented.
In order to solve the above technical problems, one aspect of the present invention is:A kind of manufacturer of cheque paper is provided
Method, the manufacture method include:Lithocyte component is dyed;Lithocyte component after dyeing is added to paper making pulp system
In system, carry out paper making and obtain the cheque paper.
Wherein, described the step of being dyed to lithocyte component, includes:The lithocyte component is configured to 1-10%
Lithocyte solution, the dye liquid that the lithocyte solution and concentration are 0.1-1% is mixed evenly, is filtrated to get dye
Lithocyte component after color.
Wherein, the kind of dyes is at least one of acid dyes, basic-dyeable fibre, direct dyes and pigment, institute
Dyestuff colour system is stated as red, yellow, bluish violet, purple and one or both of orange induced color formed by combination of the above.
Wherein, the lithocyte component after dyeing is added to paper making pulp with the ratio relative to slurry oven-dry weight 0.01-1%
In system.
Wherein, the lithocyte component after dyeing is added to pulping with the ratio relative to slurry oven-dry weight 0.01-01%
In material system.
Wherein, before being dyed to lithocyte component, in addition to:To in leaf wood slurry and grass family slurry extremely
After a kind of few slurry screens out fiber, acquisition screens out the gleanings after fiber;Lithocyte therein is filtered out from the gleanings
Component.
Wherein, the leaf wood slurry is at least one of poplar, birch, Eucalyptus, beech, principal columns of a hall wood and Acacia;
The grass family slurry is in bamboo, reed, reed, giantreed, bagasse, kaoliang stalk, straw, wheat straw, mulberry skin, wingceltis skin and structure skin
At least one.
Wherein, in the paper making pulp system, the concentration control of paper making pulp is 0.1-10%, and slurry temperature control is
20-60℃。
In order to solve the above technical problems, another technical solution used in the present invention is:A kind of above-mentioned preparation side is provided
The cheque paper that method is prepared.
The beneficial effects of the invention are as follows:The situation of prior art is different from, the present invention is by contaminating lithocyte component
Color, then say that the lithocyte component after dyeing is added in paper making pulp system, carry out paper making and obtain cheque paper.It make use of
The transparent lenticular of lithocyte, it is colored transparent lenticular after dyed, its structure and optical property are different from general fibre, with
Paper fibre optical characteristics forms a certain degree of difference, so as to realize manufacturing paper with pulp for cheque paper.By such mode, only need
The lithocyte component of dyeing is added in the paper making pulp system of routine, you can manufacturing paper with pulp for cheque paper is realized, it is simple easily to implement.
Brief description of the drawings
Fig. 1 is a kind of flow chart of the manufacture method of cheque paper provided in an embodiment of the present invention.
Embodiment
Referring to Fig. 1, Fig. 1 is a kind of flow chart of the manufacture method of cheque paper provided in an embodiment of the present invention, as schemed institute
Show, the manufacture method of the cheque paper of the present embodiment comprises the following steps:
S101:Lithocyte component is dyed.
The lithocyte of the embodiment of the present invention is a kind of prothenchyma (of wood) with supporting function, and they have thickness, usually wooden
The secondary wall of change, there is common simple pit.Protoplast is all lost as maturation is latter.Lithocyte is distributed in many plants
In, lithocyte shows as idioblas, i.e. thickness of its shape, size and wall etc., is easier to be distinguished with peripheral cell.
Wherein, the lithocyte component in the embodiment of the present invention can be the lithocyte component obtained in any way.As
A kind of concrete implementation mode, the embodiment of the present invention from slurry by filtering out lithocyte component therein.It can specifically select
Leaf wood slurry more than Component comparison containing lithocyte, the combined slurry wherein or both in grass family slurry are selected, to broad-leaved
After wood pulp material and/or grass family slurry screen out fiber, the gleanings after fiber are then removed by the net collection screen of >=325 mesh,
Then lithocyte component therein is filtered out from gleanings.
Wherein, leaf wood slurry can be selected from the one of which in poplar, birch, Eucalyptus, beech, principal columns of a hall wood and Acacia
Or a variety of combinations, grass family slurry can be selected from bamboo, reed, reed, giantreed, bagasse, kaoliang stalk, straw, wheat straw, mulberry
Skin, wingceltis skin and the one of which in structure skin or a variety of combinations.
Wherein, as a kind of concrete implementation mode, lithocyte component is dyed specifically can be in the following manner
Realize:Lithocyte component is configured to 1-10% lithocyte solution, the dye solution by lithocyte solution with concentration for 0.1-1%
Body is mixed evenly, such as stirring 5-20 minutes.Stirring terminates to carry out being filtrated to get the lithocyte component after dyeing.
Wherein, as a kind of specific citing, the kind of dyes of the embodiment of the present invention is acid dyes, basic-dyeable fibre, straight
Connect one or more kinds of combinations in dyestuff and pigment.Dyestuff colour system is red, yellow, bluish violet, purple and orange
One or both of induced color formed by combination of the above.
S102:Lithocyte component after dyeing is added in paper making pulp system, paper making is carried out and obtains cheque paper.
Wherein, will be through hyperchromatic lithocyte with relative to slurry oven-dry weight as a kind of concrete implementation mode
0.01%-1% (such as 0.02%, 0.04%, 0.06%, 0.1%, 0.5% etc.) ratio is added in paste system, its
In be preferably in a proportion of 0.01%-0.1%, such as 0.05%, 0.08%, 0.09% etc., by slurry temperature control in 20-60
DEG C, slurry concentration is controlled in 0.1-10%, after then passing through the shaping of handsheet paper machine, then by squeezing, drying, you can obtain into
The cheque paper of type.
Obtained paper can be uncoated or by coating.Normally meet light to watch, paper surface has random distribution
Slightly with coloured color dot;Under general backlight irradiation, it can be seen that there is the clearly Transparent color of random distribution on paper
Point.
The manufacture method of cheque paper provided in an embodiment of the present invention above, by being dyed to lithocyte component, then
Say that the lithocyte component after dyeing is added in paper making pulp system, carry out paper making and obtain cheque paper.It make use of lithocyte
Transparent lenticular, it is colored transparent lenticular after dyed, its structure and optical property are different from general fibre, fine with paper
Dimension optical characteristics forms a certain degree of difference, so as to realize manufacturing paper with pulp for cheque paper.Pass through such mode, it is only necessary to normal
The lithocyte component of dyeing is added in the paper making pulp system of rule, you can manufacturing paper with pulp for cheque paper is realized, it is simple easily to implement.
In order to further illustrate technical scheme, it is illustrated below by way of specific embodiment, following institute
State representative limited individual embodiment of the embodiment simply cited by the present invention, specific material, the formula rate being previously mentioned
And the concrete embodiment of the reaction condition only above-mentioned material being previously mentioned of the invention, formula rate and reaction condition, and
Not limiting the scope of the invention.
Control group 1.0:
Using mixing slurry, wherein containing the 20% chemical chemical chemi-mechanical pulp of hardwood pulp+10% of softwood pulp+70%, slurry
Material temperature degree is 25 DEG C, slurry concentration 3.8%, is molded through handsheet paper machine, under backlighting environment, tests paper brocken spectrum.
Embodiment 1.1:
After screening removal fiber is carried out to the chemical pulp of leaf wood Eucalyptus 30%+ Acacias 70%, received using the net of 325 mesh
Collection screens out the excess of fiber, picks out lithocyte therein.Blue dyes is made into 0.1% concentration, the lithocyte that will be filtered out
Insert in dyestuff, lithocyte concentration is 1%, uniform stirring 5min, filtering, is obtained through hyperchromatic lithocyte.By its with
0.01% ratio is added in the mixed slurry of control group 1.0, is molded through handsheet paper machine, under backlighting environment, test paper
Face brocken spectrum.
Embodiment 1.2:
After screening removal fiber is carried out to the chemical pulp of leaf wood Eucalyptus 30%+ Acacias 70%, received using the net of 325 mesh
Collection screens out the excess after fiber, picks out lithocyte therein.Blue dyes is made into 0.1% concentration, the stone filtered out is thin
Born of the same parents insert, and lithocyte concentration is 1%, uniform stirring 5min, filtering, is obtained through hyperchromatic lithocyte.By it with 0.05%
Ratio is added in the mixed slurry of control group 1.0, is molded through handsheet paper machine, under backlighting environment, tests paper brocken spectrum.
Embodiment 1.3:
After screening removal fiber is carried out to the chemical pulp of leaf wood Eucalyptus 30%+ Acacias 70%, received using the net of 325 mesh
Collection screens out the excess after fiber, picks out lithocyte therein.Blue dyes is made into 0.1% concentration, the stone filtered out is thin
Born of the same parents insert, and lithocyte concentration is 1%, uniform stirring 5min, filtering, is obtained through hyperchromatic lithocyte.By it with 0.5% ratio
Example is added in the mixed slurry of control group 1.0, is molded through handsheet paper machine, under backlighting environment, tests paper brocken spectrum.
Embodiment 1.4:
After screening removal fiber is carried out to the chemical pulp of leaf wood Eucalyptus 30%+ Acacias 70%, received using the net of 325 mesh
Collection screens out the excess after fiber, picks out lithocyte therein.Blue dyes is made into 0.1% concentration, the stone filtered out is thin
Born of the same parents insert, and lithocyte concentration is 1%, uniform stirring 5min, filtering, is obtained through hyperchromatic lithocyte.By it with 1% ratio
It is added in the mixed slurry of control group 1.0, is molded through handsheet paper machine, under backlighting environment, tests paper brocken spectrum.
Above test result is as follows:
Control group 2.0:
Using mixing slurry, wherein containing 20% softwood pulp+10% chemical bamboo pulp of fine+70% hardwood chemical pulp, slurry
Material temperature degree is 20 DEG C, slurry concentration 1%, is molded through handsheet paper machine, under backlighting environment, tests paper brocken spectrum.
Embodiment 2.1:
After screening removal fiber is carried out to the chemical pulp of leaf wood poplar 100%, fiber is removed using the net collection screen of 400 mesh
Excess afterwards, pick out lithocyte therein.Cudbear is made into 0.5% concentration, the lithocyte filtered out inserted, stone is thin
Born of the same parents' concentration is 10%, uniform stirring 20min, filtering, is obtained through hyperchromatic lithocyte.It is added to 0.01% ratio
In the mixed slurry of control group 2.0, it is molded through handsheet paper machine, under backlighting environment, tests paper brocken spectrum.
Embodiment 2.2:
After screening removal fiber is carried out to the chemical pulp of leaf wood poplar 100%, fiber is removed using the net collection screen of 400 mesh
Excess afterwards, pick out lithocyte therein.Cudbear is made into 0.5% concentration, the lithocyte filtered out inserted, stone is thin
Born of the same parents' concentration is 10%, uniform stirring 20min, filtering, is obtained through hyperchromatic lithocyte.It is added to 0.1% ratio
In the mixed slurry of control group 2.0, it is molded through handsheet paper machine, under backlighting environment, tests paper brocken spectrum.
Embodiment 2.3:
After screening removal fiber is carried out to the chemical pulp of leaf wood poplar 100%, fiber is removed using the net collection screen of 400 mesh
Excess afterwards, pick out lithocyte therein.Cudbear is made into 0.5% concentration, the lithocyte filtered out inserted, stone is thin
Born of the same parents' concentration is 10%, uniform stirring 20min, filtering, is obtained through hyperchromatic lithocyte.It is added to 0.5% ratio
In the mixed slurry of control group 2.0, it is molded through handsheet paper machine, under backlighting environment, tests paper brocken spectrum.
Embodiment 2.4:
After screening removal fiber is carried out to the chemical pulp of leaf wood poplar 100%, fiber is removed using the net collection screen of 400 mesh
Excess afterwards, pick out lithocyte therein.Cudbear is made into 0.5% concentration, the lithocyte filtered out inserted, stone is thin
Born of the same parents' concentration is 10%, uniform stirring 20min, filtering, is obtained through hyperchromatic lithocyte.It is added to pair with 1% ratio
According in the mixed slurry of group 2.0, it is molded through handsheet paper machine, under backlighting environment, tests paper brocken spectrum.
Above test result is as follows:
Control group 3.0:
Using 100% chemical softwood pulp, slurry temperature is 60 DEG C, slurry concentration 0.3%, through handsheet paper machine into
Type, under backlighting environment, test paper brocken spectrum.
Embodiment 3.1:
To 100% chemical bamboo pulp carry out screening remove fiber after, using 325 mesh net collection screen remove fiber after more than
Thing, pick out lithocyte therein.Orange is made into 1% concentration, the lithocyte filtered out is inserted, lithocyte concentration is
5%, uniform stirring 10min, filtering, are obtained through hyperchromatic lithocyte.It is added to control group 3.0 with 0.03% ratio
Mixed slurry in, through handsheet paper machine be molded, under backlighting environment, test paper brocken spectrum.
Embodiment 3.2:
To 100% chemical bamboo pulp carry out screening remove fiber after, using 325 mesh net collection screen remove fiber after more than
Thing, pick out lithocyte therein.Orange is made into 1% concentration, the lithocyte filtered out is inserted, lithocyte concentration is
5%, uniform stirring 10min, filtering, are obtained through hyperchromatic lithocyte.It is added to control group 2.0 with 0.1% ratio
Mixed slurry in, through handsheet paper machine be molded, under backlighting environment, test paper brocken spectrum.
Embodiment 3.3:
To 100% chemical bamboo pulp carry out screening remove fiber after, using 325 mesh net collection screen remove fiber after more than
Thing, pick out lithocyte therein.Orange is made into 1% concentration, the lithocyte filtered out is inserted, lithocyte concentration is
5%, uniform stirring 10min, filtering, are obtained through hyperchromatic lithocyte.It is added to control group 2.0 with 0.5% ratio
Mixed slurry in, through handsheet paper machine be molded, under backlighting environment, test paper brocken spectrum.
Embodiment 3.4:
To 100% chemical bamboo pulp carry out screening remove fiber after, using 325 mesh net collection screen remove fiber after more than
Thing, pick out lithocyte therein.Orange is made into 1% concentration, the lithocyte filtered out is inserted, lithocyte concentration is
5%, uniform stirring 10min, filtering, are obtained through hyperchromatic lithocyte.It is added to control group 2.0 with 1% ratio
In mixed slurry, it is molded through handsheet paper machine, under backlighting environment, tests paper brocken spectrum.
Above test result is as follows:
From the cheque paper that the above embodiment of the present invention, cheque paper manufacture method of the invention are prepared, relative to
Conventional paper, has brocken spectrum, false proof so as to realize.
Embodiments of the invention are the foregoing is only, are not intended to limit the scope of the invention, it is every to utilize this hair
The equivalent structure or equivalent flow conversion that bright specification and accompanying drawing content are made, or directly or indirectly it is used in other related skills
Art field, is included within the scope of the present invention.
Claims (7)
1. a kind of manufacture method of cheque paper, it is characterised in that the manufacture method includes:
After screening out fiber at least one of leaf wood slurry and grass family slurry slurry, acquisition screens out the collection after fiber
Thing;
Lithocyte component therein is filtered out from the gleanings;
The lithocyte component is configured to 1-10% lithocyte solution, is 0.1-1% by the lithocyte solution and concentration
Dye liquid be mixed evenly, be filtrated to get dyeing after lithocyte component;
Lithocyte component after the dyeing is added in paper making pulp system, paper making is carried out and obtains the cheque paper.
2. according to the method for claim 1, it is characterised in that the kind of dyes be acid dyes, basic-dyeable fibre, directly
At least one of dyestuff and pigment, the dyestuff colour system be red, yellow, bluish violet, purple and it is orange in one kind
Or induced color formed by two or more combinations.
3. according to the method for claim 1, it is characterised in that the lithocyte component after dyeing is with relative to slurry oven-dry weight
0.01-1% ratio is added in paper making pulp system.
4. according to the method for claim 1, it is characterised in that the lithocyte component after dyeing is with relative to slurry oven-dry weight
0.01-0.1% ratio is added in paper making pulp system.
5. according to the method for claim 1, it is characterised in that the leaf wood slurry be poplar, birch, Eucalyptus, beech,
At least one of principal columns of a hall wood and Acacia;The grass family slurry is bamboo, reed, reed, giantreed, bagasse, kaoliang stalk, rice
At least one of grass, wheat straw, mulberry skin, wingceltis skin and structure skin.
6. according to the method for claim 1, it is characterised in that in the paper making pulp system, the concentration of paper making pulp
It is 20-60 DEG C to control as 0.1-10%, slurry temperature control.
7. a kind of method described in any one of claim 1-6 manufactures obtained cheque paper.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610011312.1A CN105463943B (en) | 2016-01-06 | 2016-01-06 | A kind of cheque paper and its manufacture method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610011312.1A CN105463943B (en) | 2016-01-06 | 2016-01-06 | A kind of cheque paper and its manufacture method |
Publications (2)
Publication Number | Publication Date |
---|---|
CN105463943A CN105463943A (en) | 2016-04-06 |
CN105463943B true CN105463943B (en) | 2018-04-03 |
Family
ID=55602066
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201610011312.1A Active CN105463943B (en) | 2016-01-06 | 2016-01-06 | A kind of cheque paper and its manufacture method |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN105463943B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110693372B (en) * | 2019-10-18 | 2022-03-29 | 重庆理文卫生用纸制造有限公司 | Natural color high wet strength face tissue and production process thereof |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1710197B (en) * | 2005-06-17 | 2011-06-22 | 徐州师范大学 | Colour-changeable fiber anticounterfeit paper |
CN101949111B (en) * | 2010-09-10 | 2012-01-25 | 金东纸业(江苏)股份有限公司 | Method for producing anti-counterfeiting paper |
CN103103882B (en) * | 2013-02-22 | 2015-06-10 | 保定钞票纸业有限公司 | Bacterial cellulose-containing anti-counterfeiting paper and its preparation method |
-
2016
- 2016-01-06 CN CN201610011312.1A patent/CN105463943B/en active Active
Also Published As
Publication number | Publication date |
---|---|
CN105463943A (en) | 2016-04-06 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US4037007A (en) | Document authentification paper | |
AU594102B2 (en) | Security paper | |
CN101949111B (en) | Method for producing anti-counterfeiting paper | |
CN103321104A (en) | Thermosensitive color-changing anti-counterfeiting coating white cardboard and producing method thereof | |
CN105463943B (en) | A kind of cheque paper and its manufacture method | |
EP0927279A1 (en) | Colour tracing paper | |
CN104299511A (en) | Method for manufacturing reversible photochromic wood anti-counterfeit label and application of label | |
KR102586123B1 (en) | Anti-counterfeit method | |
KR101450614B1 (en) | Security Paper Having Security Element of Discoloration by Chemical and Method for Manufacturing the same | |
CN103526648B (en) | A kind of machine readable cheque paper and manufacture method containing color artistic watermark effect | |
CN206127726U (en) | Layering colour separation watermark anti -counterfeit paper | |
WO2010077837A2 (en) | Planchettes containing inconstant pigment or dye for secure article | |
CN114834172A (en) | Multiple anti-counterfeiting method based on structural color and multiple anti-counterfeiting element | |
CN102108653A (en) | Sheet-like anti-counterfeiting material and anti-counterfeiting paper | |
CN101603280B (en) | Processing method of transparent breakable paper | |
CN101353496A (en) | Manufacture and new use of transparent fluorescent red ink | |
EP0390638B1 (en) | Base-sheet for security document, with a transparent coating | |
CN102797192B (en) | Novel anti-counterfeit paper | |
CN106368078A (en) | Layered color separation watermark anti-counterfeiting paper and preparation method thereof | |
IT9067396A1 (en) | WATER OR ORGANIC COMPOSITION PARTICULARLY TO MAKE A CARD NOT FALSIFIABLE AND SECURITY CARD OBTAINED | |
Dong et al. | Effect of papermaking conditions on the retention of reversible thermochromic microcapsule in pulp | |
CN106149467A (en) | A kind of friction variable color or roll wipe look cheque paper and manufacture method thereof | |
FR2654446A1 (en) | Safety means, paper and document against falsification using a chemical agent and forgery | |
JP4759890B2 (en) | Print density control method for pearl prints | |
KR960011906B1 (en) | Method of producing counterfeit prevented paper |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant |