CN108589375A - The preparation method of cheque paper and anti-false fiber - Google Patents

The preparation method of cheque paper and anti-false fiber Download PDF

Info

Publication number
CN108589375A
CN108589375A CN201810225971.4A CN201810225971A CN108589375A CN 108589375 A CN108589375 A CN 108589375A CN 201810225971 A CN201810225971 A CN 201810225971A CN 108589375 A CN108589375 A CN 108589375A
Authority
CN
China
Prior art keywords
slurry
plant fiber
paper
fiber
false
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.)
Granted
Application number
CN201810225971.4A
Other languages
Chinese (zh)
Other versions
CN108589375B (en
Inventor
全吉平
王俊明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ningbo Asia Pulp and Paper Co Ltd
Original Assignee
Ningbo Asia Pulp and Paper Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Ningbo Asia Pulp and Paper Co Ltd filed Critical Ningbo Asia Pulp and Paper Co Ltd
Priority to CN201810225971.4A priority Critical patent/CN108589375B/en
Publication of CN108589375A publication Critical patent/CN108589375A/en
Application granted granted Critical
Publication of CN108589375B publication Critical patent/CN108589375B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/10—Bleaching ; Apparatus therefor
    • 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
    • D21H21/18—Reinforcing agents
    • D21H21/20—Wet strength agents
    • 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
    • D21H21/28—Colorants ; Pigments or opacifying agents
    • 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
    • D21H21/30—Luminescent or fluorescent substances, e.g. for optical bleaching

Abstract

This application discloses the preparation method of a kind of cheque paper and anti-false fiber, the preparation method of the anti-false fiber includes：Plant Fiber Bleaching slurry is provided；Dyestuff and fluorescent whitening agent is utilized respectively to handle the Plant Fiber Bleaching slurry；The intensity and concentration of treated Plant Fiber Bleaching slurry are adjusted, and handsheet obtains dye paper；The dye paper is cut, the anti-false fiber for presetting specification is obtained.By the above-mentioned means, the application can obtain the anti-false fiber of default specification according to demand, without being limited by fiber own dimensions.

Description

The preparation method of cheque paper and anti-false fiber
Technical field
This application involves pulp technology for making paper, more particularly to the preparation method of a kind of cheque paper and anti-false fiber.
Background technology
Cheque paper is not easy to copy, does puppet because there are label or hiding secret mark (such as pattern, decorative pattern, watermark, number) in surface Or change.
There are two types of the common anti-counterfeiting technologies in paper mill：One is form special trace on paper by scrap build to be prevented Puppet, but scrap build is costly when in use, to influence the operational efficiency of equipment to a certain extent；Another kind is by adding Add auxiliary agent or fiber etc. with anti-counterfeiting performance, such as dye plant fiber so that user can more it is intuitive observe it is anti-fake Mark.
However, present inventor has found in long-term R＆D process, plant fiber local width is narrow, most it is wide also only There are 25 μm or so, colour vision is very light after dyeing, adds in slurry, after manufacturing paper with pulp into paper, anti-fake visual effect unobvious.
Invention content
The application, being capable of basis mainly solving the technical problems that provide the preparation method of a kind of cheque paper and anti-false fiber Demand obtains the anti-false fiber for presetting specification, without being limited by fiber own dimensions.
In order to solve the above technical problems, the technical solution that the application uses is：A kind of preparation of anti-false fiber is provided Method, the method includes：Plant Fiber Bleaching slurry is provided；Dyestuff and fluorescent whitening agent are utilized respectively to the plant fiber Bleaching slurry is handled；The intensity and concentration of treated Plant Fiber Bleaching slurry are adjusted, and handsheet obtains dye paper；It is right The dye paper is cut, and the anti-false fiber for presetting specification is obtained.
Wherein, the offer Plant Fiber Bleaching slurry, including：The original slurry of Plant Fiber Bleaching is provided；To the plant Fibres bleach original slurry and carry out mashing processing, until freedom is 250-350mlcsf；It is fine to the plant after mashing Dimension bleaches original slurry and is diluted processing, until a concentration of 1-3%, obtains the Plant Fiber Bleaching slurry.
Wherein, dyestuff and the fluorescent whitening agent of being utilized respectively handles the Plant Fiber Bleaching slurry, including： Dyestuff is added into the Plant Fiber Bleaching slurry, to be dyed to the Plant Fiber Bleaching slurry, after the completion of dyeing Wash away the unreacted dyestuff；Fluorescent whitening agent is added into the Plant Fiber Bleaching slurry after dyeing, with described Fluorescence is grafted on Plant Fiber Bleaching slurry, and the remaining fluorescent whitening agent is washed away after the completion of grafting.
Specifically, the dyestuff is at least one of reactive dye, sulfur dye.
Wherein, the intensity and concentration for adjusting treated Plant Fiber Bleaching slurry, and handsheet obtains dye paper, packet It includes：Wet strength agent is added into the Plant Fiber Bleaching slurry, and reacts 10-15min；After adding the wet strength agent, to described Plant Fiber Bleaching slurry is diluted processing to a concentration of 0.5-1%；Using the forming net of 200 mesh, to the plant fiber It bleaches slurry and carries out handsheet, the dye paper of 50-150gsm is obtained after squeezing, drying.
Specifically, the wet strength agent is epoxy polyester wet strength agent.
Wherein, described that the dye paper is cut, the anti-false fiber for presetting specification is obtained, including：To the dyeing Paper is cut, and acquisition width is 0.3-0.8mm, and length is the anti-false fiber of 3-5mm.
In order to solve the above technical problems, another technical solution that the application uses is：A kind of preparation of cheque paper is provided Method, the method includes：There is provided anti-false fiber, wherein the anti-false fiber is the chemistry by dyeing and fluorescence processing Fiber, or be prepared by the preparation method of such as above-mentioned anti-false fiber；The anti-false fiber is added into anti-fake pulp material；It is right The anti-fake pulp material is manufactured paper with pulp, and the cheque paper is obtained.
Further, described to manufacture paper with pulp to the anti-fake pulp material, before obtaining the cheque paper, the method is also wrapped It includes：The fluorescent whitening agent that the fluorescence intensity of addition and the anti-false fiber matches in the anti-fake pulp material.
Specifically, the anti-fake pulp material is the back pastes and/or center stock of the cheque paper.
The advantageous effect of the application is：The preparation method of the case where being different from the prior art, the application anti-false fiber includes： Plant Fiber Bleaching slurry is provided；Dyestuff and fluorescent whitening agent is utilized respectively to handle Plant Fiber Bleaching slurry；It adjusts The intensity and concentration of treated Plant Fiber Bleaching slurry, and handsheet obtains dye paper；Dye paper is cut, is obtained pre- If the anti-false fiber of specification.By the above-mentioned means, the preparation method of the application anti-false fiber will pass through dyestuff and fluorescent whitening agent Treated, and plant fiber manufactures paper with pulp into dye paper, so as to according to demand by dye paper cutting as the anti-fake of preset specification Fiber, without being limited by fiber own dimensions.
Description of the drawings
In order to more clearly explain the technical solutions in the embodiments of the present application, make required in being described below to embodiment Attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is only some embodiments of the present application, for For those of ordinary skill in the art, without creative efforts, other are can also be obtained according to these attached drawings Attached drawing.Wherein：
Fig. 1 is the flow diagram of one embodiment of preparation method of the application anti-false fiber；
Fig. 2 is the flow diagram of step S101 in Fig. 1；
Fig. 3 is the flow diagram of step S102 in Fig. 1；
Fig. 4 is the flow diagram of step S103 in Fig. 1；
Fig. 5 is the flow diagram of one embodiment of preparation method of the application cheque paper；
Fig. 6 is the flow diagram of another embodiment of preparation method of the application cheque paper；
Fig. 7 is display figure of the anti-false fiber under natural light and ultraviolet light in the embodiment of the present application；
Fig. 8 is display figure of the cheque paper under natural light and ultraviolet light in the embodiment of the present application.
Specific implementation mode
Before specifically describing present context, first technology contents related with the application are simply introduced.
In the prior art, one of common anti-counterfeiting technology in paper mill is addition the helping with anti-counterfeiting performance in cheque paper Agent or fiber etc., such as：Chemical fibre, true qualities plant fiber and fluorescent fiber silk etc., common fluorescent fiber silk have following several again Type：It is in fluorescein, indigo plant or green or other colors in the UV lamp one is fiber itself is colourless, but in this case, by Colourless in fiber itself and cause user that can not may recognize that whether paper has using anti-counterfeiting technology at a glance, use is not square enough Just；Another kind is that fiber itself is coloured, under ultraviolet lamp be in corresponding iridescent, but this anti-counterfeiting technology due to the use of year compared with More, antifalse effect is general and is easy to copy；Also one is have different colours in temperature to chameleon fibre or a filament Deng.
Meanwhile used above is all often between chemical fibre, with papermaking plant fiber without interaction force, from And the intensity of cheque paper can be influenced to a certain extent.Certainly, there are also producers is planted using non-bleached plant fiber or dyeing Fibres are as anti-false fiber silk, though above-mentioned strength problem can be solved, compare the chemical fibre of colorful polychrome, do not bleach fibre Dimension only has solid color can be used, and can not dye, and anti-fake class is relatively low；And plant fiber is dyed, due to plant fiber itself ruler Very little limitation, usually most wide also there was only 25 μm or so, length is then less than 2mm, thus after manufacturing paper with pulp into paper in being added into slurry, The color visually seen is very light, anti-fake visual effect unobvious, to be difficult to meet anti-fake demand.
Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application carries out clear, complete Site preparation describes, it is clear that described embodiments are only a part of embodiments of the present application, rather than whole embodiments.Based on this Embodiment in application, those of ordinary skill in the art are obtained every other under the premise of not making performing creative labour Embodiment shall fall in the protection scope of this application.
Referring to Fig. 1, Fig. 1 is the flow diagram of one embodiment of preparation method of the application anti-false fiber, this method Including：
Step S101：Plant Fiber Bleaching slurry is provided；
Wherein, the Plant Fiber Bleaching slurry in present embodiment refers to that plant fiber is acquired after bleaching and mashing , meet the slurry of certain freedom and concentration necessary.
Specifically, Plant Fiber Bleaching slurry can be bleached sulphate softwood pulp, bleached sulphate hardwood pulp etc..
In an application scenarios, Plant Fiber Bleaching is original obtained by mashing buy in the market or preliminary, bleaching Slurry can not satisfy the use demand, at this point, referring to Fig. 2, step S101 includes：
Step S1011：The original slurry of Plant Fiber Bleaching is provided；
Wherein, the original slurry of Plant Fiber Bleaching can be directly commercially available on the market, or can also be voluntarily beaten And it bleaches and obtains.
Step S1012：Mashing processing is carried out to the original slurry of Plant Fiber Bleaching, until freedom is 250-350ml csf；
Specifically, freedom can be 250mlcsf, 300mlcsf, 350mlcsf etc..
Step S1013：Processing is diluted to the original slurry of Plant Fiber Bleaching after mashing, until a concentration of 1-3%, obtains To Plant Fiber Bleaching slurry.
Specifically, concentration can be 1%, 2%, 3% etc..
It should be pointed out that step S1012 and step S1013 is not necessary, it is original in the Plant Fiber Bleaching of offer When freedom, concentration of slurry etc. satisfy the use demand, following step is directly carried out.
Step S102：Dyestuff and fluorescent whitening agent is utilized respectively to handle Plant Fiber Bleaching slurry；
Wherein it is possible to select different dyestuffs to carry out dyeing processing according to different color use demands, such as can contaminate At red, green, blue etc..Specifically, dyestuff can be at least one of reactive dye, sulfur dye etc..
The concrete type of fluorescent whitening agent does not also do particular determination, such as can select the talan with blue-fluorescence Type, coumarin type, phthalimide type fluorescent whitening agent, the pyrazoline type fluorescent whitening agent with green fluorescence, or tool There is the benzo oxygen nitrogen type fluorescent whitening agent etc. of red fluorescence.
Specifically, when carrying out above-mentioned processing, dyestuff colouring processing is usually first carried out, Fluorescence Fluorescence brightening agent is recycled to transfer Fluorescence is connect, specifically, referring to Fig. 3, step S102 includes：
Step S1021：Dyestuff is added into Plant Fiber Bleaching slurry, to be dyed to Plant Fiber Bleaching slurry, Unreacted dyestuff is washed away after the completion of dyeing；
Step S1022：Fluorescent whitening agent is added into the Plant Fiber Bleaching slurry after dyeing, in Plant Fiber Bleaching Fluorescence is grafted on slurry, and remaining fluorescent whitening agent is washed away after the completion of grafting.
Wherein, can be according to the usage amount of actual demand control dyestuff and fluorescent whitening agent when carrying out above-mentioned processing, this Place is not specifically limited.
In addition, after the completion of dyeing is completed and fluorescence is grafted, used dyestuff and the recyclable recycling of fluorescent whitening agent, To economize on resources, to reduce the manufacturing cost of anti-false fiber.
Step S103：The intensity and concentration of treated Plant Fiber Bleaching slurry are adjusted, and handsheet obtains dye paper；
Not due to the concentration of the Plant Fiber Bleaching slurry after the grafting of above-mentioned dilution, dyeing and fluorescence, intensity Centainly meet the needs of of manufacturing paper with pulp, therefore need to further be adjusted, specifically, referring to Fig. 4, in an application scenarios, step Suddenly S103 includes：
Step S1031：Wet strength agent is added into Plant Fiber Bleaching slurry, and reacts 10-15min；
Wherein, the wet strength agent in present embodiment is specifically as follows epoxy polyester wet strength agent, after wet strength agent is added, when reaction Between can be 10min, 12min, 14min, 15min.
Step S1032：After adding wet strength agent, processing is diluted to a concentration of 0.5-1% to Plant Fiber Bleaching slurry；
Specific dilution concentration for the treatment of can be with 0.5%, 0.6%, 0.7%, 0.8%, 0.9%, 1% etc., as long as can expire Foot is manufactured paper with pulp demand, is not specifically limited herein.
Step S1033：Using the forming net of 200 mesh, handsheet is carried out to Plant Fiber Bleaching slurry, after squeezing, drying Obtain the dye paper of 50-150gsm.
Wherein, the grammes per square metre of dye paper is specifically as follows 50gsm, 90gsm, 130gsm, 150gsm etc., specifically can be according to reality Depending on demand.
Step S104：Dye paper is cut, the anti-false fiber for presetting specification is obtained.
Specifically, according to actual use demand, when being cut to dye paper can dye paper be cut into width is 0.3-0.8mm, length are the anti-false fiber of 3-5mm.For example, width can be 0.3mm, 0.4mm, 0.5mm, 0.6mm, 0.7mm, 0.8mm etc., length can be 3mm, 4mm, 5mm etc..
As described above, in the prior art when using plant fiber as anti-false fiber silk, due to by plant fiber The limitation of width so that fiber width is relatively narrow, and length is shorter, to after manufacturing paper with pulp into paper during slurry is added, visually see Color it is very light, anti-fake visual effect unobvious.And preparation-obtained anti-false fiber can basis in the application aforesaid way The actual use demand cutting of user is width appropriate, so that obtained anti-after anti-fake pulp material is added and is manufactured paper with pulp Anti-false fiber on pseudo- paper is more apparent so that people can be direct by naked eyes, clear, so clear that identify.
Referring to Fig. 5, Fig. 5 is the flow diagram of one embodiment of preparation method of the application cheque paper, this method packet It includes：
Step S201：Anti-false fiber is provided；
Wherein, the anti-false fiber in present embodiment both can be the chemical fibre by dyeing and fluorescence processing, It can be the plant fiber being prepared by the preparation method of the above-mentioned anti-false fiber of the application, or include that above two is fine simultaneously Dimension.
Wherein, specifically the preparation method of plant anti-false fiber please refers to the application the above embodiment, no longer superfluous herein It states.
Step S202：Anti-false fiber is added into anti-fake pulp material；
In present embodiment, anti-false fiber is added in either phase that can be after the completion of anti-fake pulp beating.
Specifically, anti-false fiber can be added into the back pastes and/or center stock of cheque paper, so that user Anti-counterfeiting mark can be immediately seen from the back side of finally obtained cheque paper, or can be from sandwich layer after tearing cheque paper See anti-counterfeiting mark.It is of course also possible to anti-false fiber is added in other layers of slurry of cheque paper, with specific reference to use demand Depending on.
Step S203：It manufactures paper with pulp to anti-fake pulp material, obtains cheque paper.
Preparation-obtained cheque paper in aforesaid way, since used anti-false fiber can actually make according to user Width more appropriate is selected with demand, the anti-false fiber in preparation-obtained cheque paper is more apparent, so that people It can be direct by naked eyes, clear, so clear that identify.
It is the flow diagram of another embodiment of preparation method of the application cheque paper, this method packet refering to Fig. 6, Fig. 6 It includes：
Step S301：Anti-false fiber is provided；
Wherein, the anti-false fiber in present embodiment both can be the chemical fibre by dyeing and fluorescence processing, It can be the plant fiber being prepared by the preparation method of the above-mentioned anti-false fiber of the application, or include that above two is fine simultaneously Dimension.
Wherein, specifically the preparation method of plant anti-false fiber please refers to the application the above embodiment, no longer superfluous herein It states.
Step S302：The fluorescent whitening agent that the fluorescence intensity of addition and anti-false fiber matches in anti-fake pulp material.
It should be pointed out that it refers to the cheque paper that is finally prepared when using glimmering ultra violet lamp to match herein, The fluorescence of contained colored anti-false fiber and the fluorescence of cheque paper are overlapped and offset in cardboard, to anti-false fiber occur The visual effect vanished from sight, and then form distinguished antifalse effect.
Step S303：Anti-false fiber is added into anti-fake pulp material；
Step S304：It manufactures paper with pulp to anti-fake pulp material, obtains cheque paper.
In addition, in present embodiment step S301, step S303 and step S304 and the application cheque paper preparation method A upper embodiment in step step S201, step S202 and step S203 it is identical, related detailed content please refers to one Embodiment, details are not described herein again.
By the above-mentioned means, in the application preparation-obtained cheque paper due to anti-false fiber it is wider, user can directly, Clearly, it is illustrated to see the coloured fiber of tool in paper, meanwhile, it is added in anti-fake pulp material strong with the fluorescence of anti-false fiber Spend the fluorescent whitening agent to match so that the cheque paper being finally prepared anti-fake fibre occurs when using glimmering ultra violet lamp The visual effect vanished from sight is tieed up, and then meets the use demand of user.
The application above-mentioned technical proposal is illustrated below by specific embodiment.
Bleached sulphate softwood pulp is discongested into 10min, is classified using Bao Er's classifying screen, takes and retains fibre on 16 mesh screens Dimension.Dyeing processing further is carried out to slurry, wherein dyestuff quality is 1 with slurry absolute dry mass ratio:1, place is stirred at room temperature 10min is managed, is then concentrated by 325 mesh, and 10 times of water washings are to slurry nondiscoloration；Further use fluorescent whitening agent to slurry Material grafting fluorescence, wherein the quality of fluorescent whitening agent is 1 with slurry absolute dry mass ratio:1, processing 10min is stirred at room temperature, Then it is concentrated again by 325 mesh, and handsheet obtains dye paper after 10 times of water washings, further cuts, obtains to dye paper To anti-false fiber.
Wherein, it is divided to two embodiments to carry out using the above method, the dyestuff that embodiment 1 uses is the current gas Ba Ziluo of NBZH Blue dyestuff, Violet MR LIP CIBA, the dyestuff that embodiment 2 uses are that Jiangsu Zhen Yang dye chemical industries Co., Ltd activity is red Dyestuff.Fluorescent whitening agent used in two embodiments is matt YCB-50.
Referring to Fig. 7, Fig. 7 is aobvious under natural light and ultraviolet light respectively for the anti-false fiber in the embodiment of the present application Diagram, a, b are the picture of blue anti-false fiber and red anti-false fiber under natural light irradiation respectively, and c, d are then blue respectively The picture of anti-false fiber and red anti-false fiber under ultraviolet light.Wherein, the artwork of Fig. 7 is coloured picture.It can from figure Going out, the anti-false fiber prepared by the application above method is shown pass by the color after dyeing under natural light irradiation, And fluorescence is shown under ultraviolet light, and the color of fiber itself disappears.
Further by the anti-false fiber being prepared in preparation-obtained above-described embodiment 1 and embodiment 2 with 0.1% Additive amount is added in anti-fake pulp material and manufactures paper with pulp, and finally obtained cheque paper is under the irradiation of natural light and ultraviolet light Effect is as shown in Fig. 8 (artwork is coloured picture).
Wherein, in Fig. 8 a, b be respectively in cheque paper blue anti-false fiber and red anti-false fiber under natural light irradiation Picture, c, d are then the picture of blue anti-false fiber and red anti-false fiber under ultraviolet light in cheque paper respectively.
It can be more clear to find out from Fig. 8, chromatic colour anti-false fiber is shown on cheque paper under natural light, and in purple Anti-false fiber under outer light on cheque paper disappears.
In addition, stirring washes 20min not to the anti-false fiber being prepared according to the method described above strongly in Bao Er's classifying screen It fades.
Also, dyestuff and fluorescent whitening agent are recyclable, the rate of recovery 90%, the cost of material in the application above method Situation is as shown in table 1 below.
1 cost calculation result of table
Project Fibrous raw material Dyestuff Fluorescent whitening agent
Monovalent (member/t) 4000-6000 50000-80000 5500-10000
As can be drawn from Table 1, anti-false fiber is prepared in the above method is：Ten thousand yuan/t of 1-2.According to market price Lattice, the cost of anti-false fiber is in ten thousand yuan/t of 35-150 in the prior art.Therefore, anti-false fiber energy is prepared using method in the application Enough substantially reduce manufacturing cost.
The foregoing is merely presently filed embodiments, are not intended to limit the scope of the claims of the application, every to utilize this Equivalent structure or equivalent flow shift made by application specification and accompanying drawing content, it is relevant to be applied directly or indirectly in other Technical field includes similarly in the scope of patent protection of the application.

Claims (10)

1. a kind of preparation method of anti-false fiber, which is characterized in that the method includes：
Plant Fiber Bleaching slurry is provided；
Dyestuff and fluorescent whitening agent is utilized respectively to handle the Plant Fiber Bleaching slurry；
The intensity and concentration of treated Plant Fiber Bleaching slurry are adjusted, and handsheet obtains dye paper；
The dye paper is cut, the anti-false fiber for presetting specification is obtained.
2. according to the method described in claim 1, it is characterized in that, the offer Plant Fiber Bleaching slurry, including：
The original slurry of Plant Fiber Bleaching is provided；
Mashing processing is carried out to the original slurry of the Plant Fiber Bleaching, until freedom is 250-350mlcsf；
Processing is diluted to the original slurry of the Plant Fiber Bleaching after mashing, until a concentration of 1-3%, obtains the plant Fiber bleached slurry.
3. according to the method described in claim 2, it is characterized in that, dyestuff and the fluorescent whitening agent of being utilized respectively is to the plant Fibres bleaching slurry is handled, including：
Dyestuff is added into the Plant Fiber Bleaching slurry, to be dyed to the Plant Fiber Bleaching slurry, has been dyed The unreacted dyestuff is washed away after；
Fluorescent whitening agent is added into the Plant Fiber Bleaching slurry after dyeing, on the Plant Fiber Bleaching slurry Fluorescence is grafted, the remaining fluorescent whitening agent is washed away after the completion of grafting.
4. according to the method described in claim 1, it is characterized in that,
The dyestuff is at least one of reactive dye, sulfur dye.
5. according to the method described in claim 1, it is characterized in that, described adjust the strong of treated Plant Fiber Bleaching slurry Degree and concentration, and handsheet obtains dye paper, including：
Wet strength agent is added into the Plant Fiber Bleaching slurry, and reacts 10-15min；
After adding the wet strength agent, processing is diluted to a concentration of 0.5-1% to the Plant Fiber Bleaching slurry；
Using the forming net of 200 mesh, handsheet is carried out to the Plant Fiber Bleaching slurry, 50- is obtained after squeezing, drying The dye paper of 150gsm.
6. according to the method described in claim 5, it is characterized in that,
The wet strength agent is epoxy polyester wet strength agent.
7. according to the method described in claim 1, it is characterized in that, described cut the dye paper, acquisition is default to advise The anti-false fiber of lattice, including：
The dye paper is cut, acquisition width is 0.3-0.8mm, and length is the anti-false fiber of 3-5mm.
8. a kind of preparation method of cheque paper, which is characterized in that the method includes：
There is provided anti-false fiber, wherein the anti-false fiber is the chemical fibre by dyeing and fluorescence processing, or by such as right It is required that 1-7 any one of them methods are prepared；
The anti-false fiber is added into anti-fake pulp material；
It manufactures paper with pulp to the anti-fake pulp material, obtains the cheque paper.
9. according to the method described in claim 8, it is characterized in that, described manufacture paper with pulp to the anti-fake pulp material, institute is obtained Before stating cheque paper, the method further includes：
The fluorescent whitening agent that the fluorescence intensity of addition and the anti-false fiber matches in the anti-fake pulp material.
10. according to the method described in claim 8, it is characterized in that, the back side that the anti-fake pulp material is the cheque paper is starched Material and/or center stock.
CN201810225971.4A 2018-03-19 2018-03-19 Anti-counterfeiting paper and preparation method of anti-counterfeiting fiber Active CN108589375B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810225971.4A CN108589375B (en) 2018-03-19 2018-03-19 Anti-counterfeiting paper and preparation method of anti-counterfeiting fiber

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810225971.4A CN108589375B (en) 2018-03-19 2018-03-19 Anti-counterfeiting paper and preparation method of anti-counterfeiting fiber

Publications (2)

Publication Number Publication Date
CN108589375A true CN108589375A (en) 2018-09-28
CN108589375B CN108589375B (en) 2021-03-05

Family

ID=63626616

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810225971.4A Active CN108589375B (en) 2018-03-19 2018-03-19 Anti-counterfeiting paper and preparation method of anti-counterfeiting fiber

Country Status (1)

Country Link
CN (1) CN108589375B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110080030A (en) * 2019-04-18 2019-08-02 襄阳金飞环彩色包装有限公司 A kind of preparation method of fire-retardant anti-forge paper

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1292837A (en) * 1998-03-02 2001-04-25 韩国造币公社 Security fibers and process for preparation thereof
CN101949111A (en) * 2010-09-10 2011-01-19 金东纸业（江苏）股份有限公司 Method for producing anti-counterfeiting paper
CN104611994A (en) * 2015-02-05 2015-05-13 温岭市得利纸业工艺有限公司 Process for processing allochroic craft paper
CN106283754A (en) * 2016-08-24 2017-01-04 金华盛纸业（苏州工业园区）有限公司 A kind of paper grade (stock) anti-false fiber preparation method

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1292837A (en) * 1998-03-02 2001-04-25 韩国造币公社 Security fibers and process for preparation thereof
CN101949111A (en) * 2010-09-10 2011-01-19 金东纸业（江苏）股份有限公司 Method for producing anti-counterfeiting paper
CN104611994A (en) * 2015-02-05 2015-05-13 温岭市得利纸业工艺有限公司 Process for processing allochroic craft paper
CN106283754A (en) * 2016-08-24 2017-01-04 金华盛纸业（苏州工业园区）有限公司 A kind of paper grade (stock) anti-false fiber preparation method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110080030A (en) * 2019-04-18 2019-08-02 襄阳金飞环彩色包装有限公司 A kind of preparation method of fire-retardant anti-forge paper

Also Published As

Publication number Publication date
CN108589375B (en) 2021-03-05

Similar Documents

Publication Publication Date Title
KR100259825B1 (en) Security paper with rainbow-security fibers and the manufacturing process
CN107419577B (en) A kind of preparation method of high intensity paper twine body paper
CN104631202A (en) Anti-counterfeit coating white cardboard containing dyed wood pulp fibers and production process thereof
US20230349098A1 (en) Short-sequence ecf bleaching process x/z/d-eop-d or x/d/z-eop-d for kraft wood pulp
CN108589375A (en) The preparation method of cheque paper and anti-false fiber
CN113981739B (en) Low-whiteness double-sided offset paper preparation process, production method of paper and low-whiteness double-sided offset paper
CN105133416A (en) Natural original-color high-breathability moulded paper and preparation method thereof
CN104631216B (en) A kind of color watermark cheque paper and production method thereof
CN101392474B (en) High grade colorful solubilization branded fiber paper and preparation method thereof
CN104631192A (en) Interlayer color sprayed anti-counterfeit coating white cardboard and production process thereof
CN107644581A (en) Anti-fake fabric
CN109577058A (en) A kind of production equipment and production method of single layer craft paper
KR101450614B1 (en) Security Paper Having Security Element of Discoloration by Chemical and Method for Manufacturing the same
CN103469626B (en) textile anti-fake method and identification device thereof
CN101660285B (en) Unbleached straw pulp with improved color phase, folding endurance and loose depth, and stable performances
CN211547081U (en) Production equipment of anti-counterfeiting cardboard paper
CN111382515A (en) Development and design system of knitted product fabric based on APEX4 system
CN102733263B (en) A color control method for the production of a color household paper
CN101691703B (en) Natural-color straw pulp with improved tearing index, freeness and tensile index, and stable performance
KR960011906B1 (en) Method of producing counterfeit prevented paper
CN101684628B (en) Natural-color straw pulp with improved hue, bulk and folding strength and stable performance
JP2002088686A (en) Method for dyeing liner
CN101691712B (en) Natural-color straw pulp with improved freeness, air permeability and tearing index, and stable performance
KR100430418B1 (en) The color HANJI by stacking wet-materials and the method of manufacturing that
CN101691710B (en) Natural-color straw pulp with improved freeness, air permeability and folding strength, and stable performance

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant