CN101748642B - Special anti-counterfeiting rice paper for postage stamp, postage stamp and production method thereof - Google Patents
Special anti-counterfeiting rice paper for postage stamp, postage stamp and production method thereof Download PDFInfo
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- CN101748642B CN101748642B CN2008102396008A CN200810239600A CN101748642B CN 101748642 B CN101748642 B CN 101748642B CN 2008102396008 A CN2008102396008 A CN 2008102396008A CN 200810239600 A CN200810239600 A CN 200810239600A CN 101748642 B CN101748642 B CN 101748642B
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Abstract
The invention provides a production method of special anti-counterfeiting rice paper for a postage stamp, which comprises the following steps: adopting wingceltis barks and straws from sand fields as raw materials, preparing pulp through soaking, beating and bleaching with calcium hypochlorite bleach solution; purifying the prepared pulp, fetching paper, drying, and cutting to manufacture raw rice paper; performing the alum dragging treatment of the raw rice paper in alum solution, and naturally drying the rice paper to obtain non-absorbent rice paper; and applying glue on the back of the non-absorbent rice paper, and drying and flattening to manufacture the special anti-counterfeiting rice paper for the postage stamp. Since the production method in the invention is an improvement based on the conventional production process, the produced rice paper not only preserves the properties of the conventional rice paper, but also has excellent printing applicability. Therefore, the rice paper can be used as the special anti-counterfeiting rice paper for stamps, stamped postcards and other postage stamps.
Description
Technical field
The postage stamps, miniature sheets, first day covers, etc. collected by philatelists that the invention provides a kind of postage stamps, miniature sheets, first day covers, etc. collected by philatelists special anti-counterfeiting rice paper and utilize this rice paper to make, the present invention also provides the production method of this special anti-counterfeiting rice paper.
Background technology
Along with the sustained and rapid development of China's economy, the whole society is increasingly high to the demand of culture and arts aspect, and this culture and arts demand is also embodied in various aspects such as quality to the postage stamps, miniature sheets, first day covers, etc. collected by philatelists, kind, innovation.Because to printability and effect and to the specific (special) requirements of paper; Present postage stamps, miniature sheets, first day covers, etc. collected by philatelists all is to adopt specialties or cardboard to form; For example stamp, stamped postcard etc.; Innovation in the industry is mainly reflected in postal materials design and printing technology, is used to undertake the printing of and the paper made then has been difficult to the material change.
Papermaking technology is one of universally acknowledged Ancient Times in China " four inventions ", and rice paper is exactly the representative of China's papermaking invention, makes a general survey of the production of current rice paper, still can see the elite of paper technology in ancient times.In traditional writing brush, ink stick, ink slab and paper, rice paper ranks the first.Over more than 1,000 year, rice paper has huge impetus to the succession and the development of Chinese culture art, and vast as the open sea calligraphy, drawing, successive dynasties history records, famous literary work, classical theory ancient books and records etc. all be unable to do without rice paper.Rice paper is the exclusive paper grades of China; Because problems such as the absorbency of traditional rice paper are strong excessively, the printing net-point gain is excessive, print surface gloss difference, color are not bright-coloured, therefore also there not be at present directly to use traditional rice paper to print the record of postage stamps, miniature sheets, first day covers, etc. collected by philatelists and rice paper postage stamps, miniature sheets, first day covers, etc. collected by philatelists accordingly.
In the today that gets into 21st century; Through the improvement on the rice paper conventional process techniques is innovated; The function of rice paper is extended to postage stamps, miniature sheets, first day covers, etc. collected by philatelists dedicated paper, rice paper in thousand is developed, thereby improve the abundant traditional cultural connotation of high-grade false proof postage stamps, miniature sheets, first day covers, etc. collected by philatelists; Satisfy growing Social Culture art demand, all have important practical significance.
Summary of the invention
The technical problem underlying that the present invention solved just provides a kind of production method that is used for the special anti-counterfeiting rice paper of postage stamps, miniature sheets, first day covers, etc. collected by philatelists; Through the improvement on traditional rice paper production technology basis; Make resulting rice paper outside the characteristic that keeps traditional rice paper, can also have good print and fit property.
The present invention also provides the postage stamps, miniature sheets, first day covers, etc. collected by philatelists that utilizes the above-mentioned anti-counterfeiting rice paper that is exclusively used in the postage stamps, miniature sheets, first day covers, etc. collected by philatelists to make; It at the fundamental characteristics that satisfies the postage stamps, miniature sheets, first day covers, etc. collected by philatelists simultaneously; Promote technology content, anti-counterfeit capability and the national culture intension of postage stamps, miniature sheets, first day covers, etc. collected by philatelists, also increased the kind of postage stamps, miniature sheets, first day covers, etc. collected by philatelists.
The present invention also provides stamped postcard special anti-counterfeiting rice paper paperboard and the rice paper postcard that utilizes the above-mentioned anti-counterfeiting rice paper that is exclusively used in the postage stamps, miniature sheets, first day covers, etc. collected by philatelists to produce, and has promoted the class of this series products, has enriched market demand, has also filled up the market vacancy of this series products.
The present invention at first provides a kind of production method of postage stamps, miniature sheets, first day covers, etc. collected by philatelists special anti-counterfeiting rice paper, and it comprises the steps:
Adopting wingceltis bark and sandy land straw is raw material; The two proportioning accounts for 30%～50% for the wingceltis bark, and the sandy land straw accounts for 70%～50%, and raw material soaking was pulled an oar at least in 0.5 hour; Use concentration to handle more than 20 minutes then, obtain paper pulp as the calcium hypochlorite bleaching liquor bleaching of 1.3-1.5%;
The paper pulp of making carries out purified treatment through cleaning system;
After purification, add anti-fake material in the paper pulp;
The above-mentioned paper pulp that has added anti-fake material is dragged for paper, drag for the employing of paper process and can pull the notch that 80-100 opens the double-deck rice paper of 780x1480mm out, and control paper is 45g/m quantitatively
2-55g/m
2, process living rice paper through airing, shearing;
In alum liquid, drag alum to handle to giving birth to rice paper, dry naturally then, obtain mature rice paper, to handle 1 cutter paper, being prepared as of alum liquid adds 287-330g gelatine, 180-220g alum and 180-220g rosin in the 12-20kg boiling water, and stirring forms.The mature rice paper that obtains after utilizing above-mentioned living rice paper to drag alum to handle quantitatively is generally: 53g/m
2～63g/m
2
According to 1: 1-1: 2 mass ratio adds polyvinyl alcohol and polyvinyl acetate and is mixed with the glue of solid content at 36-40% in the entry, is uniformly coated on the seventy percent above-mentioned rice paper back side of doing and forms gum, dries the back and flattens, and processes said postage stamps, miniature sheets, first day covers, etc. collected by philatelists special anti-counterfeiting rice paper.The quantitative scope of the postage stamps, miniature sheets, first day covers, etc. collected by philatelists special anti-counterfeiting rice paper of the band gum that obtains thus is generally 60g/m
2～70g/m
2
According to the method for the invention; For the characteristics of taking into account traditional rice paper and reach performance requirement to postage stamps, miniature sheets, first day covers, etc. collected by philatelists dedicated paper; Adopting the mixture of wingceltis bark and sandy land straw is raw material, and before the making beating, this raw material is preferred to be soaked with clear water earlier; Usually immersion promptly can be used for making beating in 0.5-2 hour, and this raw material pulping process was discongested 5 minutes for adopting second heavy cutter 5 minutes of beater and empty cutter at least at least.
For satisfying the color that finished paper is printed and guaranteed printed patterns, reach the requirement of postage stamps, miniature sheets, first day covers, etc. collected by philatelists, need bleach processing to the paper pulp after the making beating; Promptly; Adopting concentration is that the calcium hypochlorite bleaching liquor bleaching of 1.3-1.5% was handled more than 20 minutes, and concrete treatment conditions can confirm according to the actual conditions of raw material, should guarantee whiteness>=77% of later stage through the living rice paper that drags for paper and process; Particularly, also need wash the paper pulp after the bleaching to residual chlorine≤14mg/l.
According to concrete scheme of the present invention, paper pulp to be carried out purified treatment comprise that paper pulp is sieved through Bao Er's cleaning equipment, spiral screen and jumping successively to be handled, these purified treatment are the conventional equipment that rice paper is made the field with equipment, do not repeat them here.
For reaching the false proof requirement of postage stamps, miniature sheets, first day covers, etc. collected by philatelists dedicated paper, before dragging for paper, in the paper pulp that makes, add suitable anti-fake material earlier; The concrete selection of these anti-fake materials is with to use all the production process with present postage stamps, miniature sheets, first day covers, etc. collected by philatelists dedicated paper identical; For example, anti-fake material can be fluorescence falsification preventing particle (can under ultra violet lamp, manifest certain particular color or multiple color phosphor dot), also can add monochrome or multicolor fluorescence anti-false fiber (naked eyes are invisible); Or change the fluorescence falsification preventing fiber of color with angle; And other anti-fake materials that are fit to, which kind of no matter is selected, all anti-fake materials all must meet the nonpoisonous and tasteless requirement that reaches the human body safety and sanitation; The selection of used anti-fake material and addition thereof all confirm that according to the usual scheme of stamp paper the present invention does not have specific (special) requirements.
Identical with traditional rice paper production technology; The living rice paper that obtains through the vatman skill need be treated as mature rice paper through dragging alum; Problems such as the present invention adopts to giving birth to a surname that the effect of dragging alum is to solve that the rice paper absorbency is strong excessively, printing net-point gains is excessive, print surface gloss difference, color are not bright-coloured; That is, utilize specific alum liquid to improve the printability requirement of rice paper, reach satisfied printing effect and the bright and clean effect of perforations of stamps.In the concrete operations; Can earlier gelatine, alum and rosin be added to stir in the boiling water according to formula ratio and obtain alum liquid; To give birth to the rice paper back side then dragged in the container that fills alum liquid down; Rice paper is dried naturally becomes mature rice paper, answers collection to become buttress to set level (maintenance paper formation) to the mature rice paper after drying, and handles for gum.
The coating gum is the essential link during stamp paper is produced, and requires the bonding speed of stamp gum to reach in 15 seconds usually.Characteristic to rice paper; The glue that the present invention uses is formulated as polyvinyl alcohol (PVA) and polyvinyl acetate (PVAM); Wherein employed polyvinyl alcohol should have good water-solubility, and preferably the selective polymerization degree is 300, and alcoholysis degree is the water-solubility PVA of 86%-88%; And polyvinyl acetate (PVAM) degree of polymerization is 1500-1700, alcoholysis degree is 60-66%; The process for preparation of said glue can be: be heated to 95 degree approximately Celsius and be incubated 15～20 minutes first polyvinyl alcohol added in certain water gaging, polyvinyl alcohol is dissolved fully, presses ingredient proportion afterwards again and add polyvinyl acetate; Add the polyvinyl alcohol antifoaming agent simultaneously, the adding weight of this antifoaming agent is the 0.3-0.7% of polyvinyl alcohol weight.Through stirring the preparation of accomplishing glue with froth breaking, make the solid content of glue reach 36%～40% again.Utilize this glue to above-mentioned rice paper glue-spreading, can reach the requirement of special-purpose stamp paper fully, that is, the speed of cohering reached in 15 seconds.
Rice paper has very big difference with the paper that the industry of papermaking enterprise utilization at present paper machine making obtains; Especially the degree of drawing of rice paper is low; Be difficult to adopt present machine coating technique to accomplish operation to the sheet-fed glue-spreading; So the difficulty of gum coating is also bigger, key is glue is uniformly coated on the rice paper back side, and keeps the smooth of paper.This case applicant is through constantly groping; Discovery more is applicable to the processing of rice paper according to following method gluing: during glue-spreading; The mature rice paper back side that makes is laid on the smooth surface up, with clear water rice paper is drenched and brush smoothly, treat that this wet rice paper reaches and seventy percent do that (with the moisture of rice paper when drenching is benchmark with the wool spread pen; Also be appreciated that to being dried to " expelling water amount " about 60-80%; Preferably about 70%) time, with the wool spread pen glue evenly is brushed to this rice paper back side and forms gum, take off pressing after drying.
Rice paper behind glue-spreading through drying, smoothly piling up pressing, is cut into the finished size of requirement on request, has both accomplished the manufacture process of special anti-counterfeiting rice paper, packs and is sent to the printing that subsequent processing carries out various postage stamps, miniature sheets, first day covers, etc. collected by philatelists.
Rice paper according to the inventive method manufacturing; On the raw material and basic function basis that do not change traditional rice paper use; Technical matters difficult problems such as adopting innovative technology to have overcome that traditional rice paper absorbency is strong excessively, printing net-point gains excessive, print surface gloss difference, color are not bright-coloured; And in paper pulp, add the special anti-counterfeiting functional material and evenly be coated with special-purpose water-soluble gum, thereby obtain to have the postage stamps, miniature sheets, first day covers, etc. collected by philatelists special anti-counterfeiting rice paper that good print is fitted property at the rice paper back side.
Distinguishing features such as the postage stamps, miniature sheets, first day covers, etc. collected by philatelists special anti-counterfeiting rice paper according to the inventive method manufacturing has pure white color and luster, clean mark, and strong, the pest-resistant fungus resistance of ink wetting capability is strong, morphotropism is little, the preservation life-span is long can better pass on the Chinese traditional culture rich connotation.
The present invention also provides the postage stamps, miniature sheets, first day covers, etc. collected by philatelists that utilizes said anti-counterfeiting rice paper to make, for example, and rice paper stamp, stamped postcard etc.Particularly, adopt above-mentioned special anti-counterfeiting rice paper through impressing pattern with beat perforation, both processed the rice paper stamp; Stamped postcard is implemented the compound above-mentioned anti-counterfeiting rice paper of single or double table glue with art post paperboard, can obtain single face a surname or two-sided a surname's stamped postcard special anti-counterfeiting rice paper paperboard; This anti-counterfeiting rice paper paperboard promptly can be made into single face a surname or two-sided a surname's stamped postcard according to the conventional preparation method of postcard.According to the requirement of postage article industry, the quantitative scope of the special-purpose art post paperboard of stamped postcard: 200g～250g/m
2The quantitative scope of finished product stamped postcard special anti-counterfeiting rice paper paperboard: 270g～320g/m
2, specification: 550 * 400mm.
In a word, the present invention is through constantly bringing forth new ideas, on the manufacture craft basis of traditional rice paper; Produce the special anti-counterfeiting rice paper and the stamped postcard special anti-counterfeiting rice paper paperboard that satisfy postage stamps, miniature sheets, first day covers, etc. collected by philatelists industry requirement; Adopt special rice paper provided by the invention or special rice paper paperboard to print the postage stamps, miniature sheets, first day covers, etc. collected by philatelists, technology content, anti-counterfeit capability and the national culture content of postage stamps, miniature sheets, first day covers, etc. collected by philatelists are significantly increased, increase the new kind of postage stamps, miniature sheets, first day covers, etc. collected by philatelists; Its artistic expression is good; Honest elegance is particularly suitable for the stamp collector and collects for a long time, belongs to high-grade, high-grade postage printing.
Specific embodiments
Further specify the present invention program's enforcement and the progressive effect that is produced below in conjunction with specific embodiment, but can not be interpreted as any qualification practical range of the present invention.
Embodiment 1 postage stamps, miniature sheets, first day covers, etc. collected by philatelists special anti-counterfeiting rice paper
Adopting wingceltis bark and sandy land straw is raw material, and two kinds of proportion of raw materials are: the wingceltis bark accounts for 40%, and the sandy land straw accounts for 60%; Above-mentioned raw materials is used in beater and please water logging be steeped paper pulp about 1 hour, and second heavy cutter is about 10 minutes then, and empty cutter was discongested about 10 minutes.In slurry, add the calcium hypochlorite bleaching liquor and carry out rinsing (it is 1.3～1.5% that bleaching liquor contains calcium hypochlorite percentage), about 30 minutes of rinsing time, the slurry after the rinsing is washed, make residual chlorine≤14mg/l in the slurry.
Pulp after the above-mentioned rinsing carries out purified treatment through cleaning system (Bao Er's cleaning equipment, spiral screen, jumping sieve) successively.
(open day is on March 16th, 2005 according to one Chinese patent application 200410019700.1 in adding in the pulp after above-mentioned purification; Denomination of invention is " preparation of the false proof microballoon of macromolecule resin and application thereof ") the false proof microballoon of macromolecule resin put down in writing in the specification; Adopt four kinds to issue not homochromy false proof microballoon at ultraviolet light; The additional proportion scope of this false proof particle (microballoon) total amount is 0.02%～0.03% of a paper pulp dry weight; Ratio between four kinds of microballoons is at random or according to the designing requirement preparation, and is dispersed in the slurry and stirs, and makes the postage stamps, miniature sheets, first day covers, etc. collected by philatelists that finally obtains under ultra violet lamp, can manifest red, yellow, blue, green four kinds of color phosphor dots.
Select the notch (being the special-purpose stock tank of rice paper) of a suitable specification; Add above-mentioned paper pulp and drag for paper; The notch specification is controlled at can pull 80～100 double-deck (monofilament road) postage stamps, miniature sheets, first day covers, etc. collected by philatelists special anti-counterfeiting rice papers of super cotton material out, and specification is 780 * 1480mm, paper quantitatively be controlled at 45g/m
2～55g/m
2, the page of pulling out is processed into the rice paper specification that needs through airing, shearing two procedures again, obtains giving birth to rice paper, measures whiteness>=77%.
Obtain giving birth to a surname through above-mentioned technical process, must process ripe declare and glue-spreading after just can be met the special rice paper of postage stamps, miniature sheets, first day covers, etc. collected by philatelists printability requirement.
Preparation alum liquid (in 1 cutter paper): about 18 kilograms of boiling water, in boiling water, add 290g～300g gelatine, 190g～200g alum, 190g～200g rosin stirs.
Drag alum: will give birth to rice paper and in the container that fills alum liquid, drag (back side of paper down), and carry out nature afterwards and dry, and dry the back collection and become buttress to set level (maintenance paper formation).Problem such as drag that the effect of alum is to solve that absorbency is strong excessively, the printing net-point gain is excessive, print surface gloss difference, color are not bright-coloured promptly improves the printability of postage stamps, miniature sheets, first day covers, etc. collected by philatelists special rice paper, reaches satisfied printing effect and the bright and clean effect of perforations of stamps.Drag the quantitative 53g/m of being of the mature rice paper after alum is handled
2～63g/m
2(not containing gum layer), this drags the alum operation can be artificial the completion, also can adopt suitable equipment.
The preparation of gum solution (glue) (in 1 cutter paper amount): 150g polyvinyl alcohol (PVA, the degree of polymerization 300, alcoholysis degree 86-88%) joined be heated to 95 degree approximately Celsius in the suitable quantity of water and be incubated 15～20 minutes; Stirring is dissolved polyvinyl alcohol fully, adds 300g polyvinyl acetate (PVAM, the degree of polymerization 1600 then; Alcoholysis degree 60-62%); And 0.75g polyvinyl alcohol antifoaming agent, through stirring and froth breaking, be mixed with the glue of solid content 36～40% again.
Glue-spreading: spreading above-mentioned ripe a surname (back side of paper up) who drags after alum is processed on the smooth plastic plate desktop, dip in supernatant water, the paper of completing is drenched, and brush smooth with the paper that the wool spread pen will drench with the wool spread pen.Treat that l Water Paper reaches seventy percent when doing, and is uniformly coated on the rice paper back side (brushing even up and down to volume or from the volume to the tip from the tip of paper) with the wool spread pen with above-mentioned glue.Treat to take off after paper dries (can suitably toast), entirely put pressing well.
Rice paper behind the above-mentioned glue-spreading is cut into finished size, and packing becomes the special anti-counterfeiting rice paper that meets postage stamps, miniature sheets, first day covers, etc. collected by philatelists regulation.
Paper size: 780x1480mm, quantitatively 60g/m
2～70g/m
2, the speed of cohering is in 15 seconds, and this rice paper shows the phosphor dot of red, yellow, blue, green four kinds of colors under ultra violet lamp.
Randomly draw this rice paper, it is following to measure the Main physical index:
Thickness: 0.162mm
Tightness: 0.44g/m
2
Hygroscopicity value: 23.7g/m
2
Quantitatively (contain gum): 70g/m
2
Expansion and contraction: 0.5%
Opacity: 86.3%
Tensile strength: 3.107KN/m
Folding strength: 51 times.
Because the particularity of rice paper, the resulting above numerical value of measuring of paper that extracts right quantity on request can change among a small circle to some extent, but is enough to show that this rice paper can satisfy the requirement as postage stamps, miniature sheets, first day covers, etc. collected by philatelists dedicated paper fully.
Embodiment 2 stamped postcards
The anti-counterfeiting rice paper that embodiment 1 is obtained with quantitatively be 200g-250g/m
2The special-purpose art post paperboard of stamped postcard to mount glue compound, wherein, mount glue at the art post paperboard single face, become single face a surname stamped postcard special anti-counterfeiting a surname paperboard, perhaps at the two-sided glue of mounting of art post paperboard, become two-sided a surname's stamped postcard special anti-counterfeiting a surname paperboard.
Obtain stamped postcard rice paper paperboard through cutting, specification 550x400mm quantitatively reaches 270g/m
2-320g/m
2The Main physical index of this rice paper paperboard is (with machine testing) as follows:
Thickness: 0.405mm～0.468mm
Deflection: vertically greater than 240, laterally greater than 130 (method of testing: L&W15 °)
Expansion and contraction:＜0.4%
Opacity:＞88%.
Embodiment 3
The rice paper that adopts embodiment 1 to process reaches the common process that stamps such as beating perforation is produced through impressing pattern, obtains the rice paper stamp.Particularly:
To the character of rice paper, at first adjust the plate-making curve: high light part suitably improves the site and is worth, and middle tone and shadow part suitably reduce the site value, draw back the level curve; Dark-part suitably increases quantity of ink, to improve the picture contrast; Screen density: per inch 189 lines.
The characteristic description of this stamp printing is following:
Reflection density: K (black) 1.0; C (blueness) 0.95; M (redness) 0.88;
Y (yellow) 0.65; Specially grey: 0.31;
Site gain: K (black) 75%; C (blueness) 70%; M (redness) 895;
Y (yellow) 85%; Specially grey: 84%;
High light site value: K (black) is 4%, and C (blueness), M (redness), Y (yellow) are 5%, specially ash: 6%.
Embodiment 4
The single face a surname or the two-sided a surname's stamped postcard special anti-counterfeiting a surname paperboard that adopt embodiment 2 to process are processed the rice paper stamped postcard according to the postcard production technology.Basic identical to the printing of this stamped postcard printing and characteristic description and embodiment 3.
Claims (10)
1. the production method of postage stamps, miniature sheets, first day covers, etc. collected by philatelists special anti-counterfeiting rice paper, it comprises the steps:
Adopting wingceltis bark and sandy land straw is raw material; The two proportioning accounts for 30%～50% for the wingceltis bark, and the sandy land straw accounts for 70%～50%, and raw material soaking was pulled an oar at least in 0.5 hour; Use concentration to handle more than 20 minutes then, obtain paper pulp as the calcium hypochlorite bleaching liquor bleaching of 1.3-1.5%;
The paper pulp of making carries out purified treatment through cleaning system;
After purification, add anti-fake material in the paper pulp;
The above-mentioned paper pulp that has added anti-fake material is dragged for paper, drag for the employing of paper process and can pull the notch that 80-100 opens the double-deck rice paper of 780x1480mm out, and control paper is 45g/m quantitatively
2-55g/m
2, process living rice paper through airing, shearing;
In alum liquid, drag alum to handle to giving birth to rice paper, dry naturally then, obtain mature rice paper, to handle 1 cutter paper, the preparation method of alum liquid adds 287-330g gelatine, 180-220g alum and 180-220g rosin in the 12-20kg boiling water, and stirring forms;
According to 1: 1-1: 2 mass ratio adds polyvinyl alcohol and polyvinyl acetate and is mixed with the glue of solid content at 36-40% in the entry, is uniformly coated on the seventy percent mature rice paper back side of doing and forms gum, dries the back and flattens, and processes said postage stamps, miniature sheets, first day covers, etc. collected by philatelists special anti-counterfeiting rice paper.
2. production method according to claim 1, wherein, for adopting second heavy cutter of beater at least 5 minutes, empty cutter was discongested 5 minutes at least to the raw material pulping process.
3. production method according to claim 1, wherein, to the pulp washing after the bleaching to residual chlorine≤14mg/l.
4. production method according to claim 1 wherein, is carried out purified treatment to paper pulp and is comprised that paper pulp is sieved through Bao Er's cleaning equipment, spiral screen and jumping successively to be handled.
5. production method according to claim 1; Wherein, Adopt water-soluble poval and polyvinyl acetate during the preparation glue, the degree of polymerization of polyvinyl alcohol is that 300-500, alcoholysis degree are 86-88%, and the degree of polymerization of polyvinyl acetate is that 1500-1700, alcoholysis degree are 60-66%; Also add the polyvinyl alcohol antifoaming agent in this glue, the adding weight of this antifoaming agent is the 0.3-0.7% of polyvinyl alcohol weight.
6. according to claim 1 or 5 described production methods; Wherein, during glue-spreading, the mature rice paper back side that makes is laid on the smooth surface up; With clear water rice paper is drenched and brush smooth with the wool spread pen; Treat that this rice paper that drenches reaches seventy percent when doing, glue evenly is brushed to this rice paper back side of drenching formation gum, take off pressing after drying with the wool spread pen.
7. the production method of stamped postcard special anti-counterfeiting rice paper paperboard, it comprises:
Process said anti-counterfeiting rice paper according to each said method of claim 1-6;
Stamped postcard is implemented the compound above-mentioned anti-counterfeiting rice paper of single or double table glue with art post paperboard, process single face a surname or two-sided a surname's stamped postcard special anti-counterfeiting rice paper paperboard.
8. rice paper postage stamps, miniature sheets, first day covers, etc. collected by philatelists, it is to adopt the special anti-counterfeiting rice paper that obtains according to each said production method of claim 1-6 to be made.
9. rice paper postage stamps, miniature sheets, first day covers, etc. collected by philatelists according to claim 8, this postage stamps, miniature sheets, first day covers, etc. collected by philatelists is the rice paper stamp, is to adopt said special anti-counterfeiting rice paper to process with beating perforation through impressing pattern.
10. a rice paper stamped postcard is that single face a surname or the two-sided a surname's stamped postcard special anti-counterfeiting rice paper cardboard of utilizing the said method of claim 7 to process forms.
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| EP0018007A1 (en) * | 1979-04-23 | 1980-10-29 | Klebstoffwerke Collodin Dr.Schultz & Nauth GmbH | Inverted paper sizing agent and process for its manufacture |
| CN1129270A (en) * | 1994-10-21 | 1996-08-21 | 国泰科技企业有限公司 | Special permanent paper and making method thereof |
| CN2765932Y (en) * | 2004-12-20 | 2006-03-22 | 广东江南纸业有限公司 | Special type counterfeit-proof stamp paper |
| CN101016709A (en) * | 2007-02-15 | 2007-08-15 | 云南瑞升烟草技术（集团）有限公司 | Fast adjusting tipping paper |
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| CN101748642A (en) | 2010-06-23 |
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Inventor after: Liu Ronghua Inventor after: Rui Jianke Inventor after: Luo Ming Inventor after: Ma Baoli Inventor after: Liu Zhenguo Inventor after: Huang Yingfu Inventor after: Cha Bei Inventor after: Zhang Qingjun Inventor after: Guan Jun Inventor after: Jiang Haibin Inventor before: Liu Ronghua Inventor before: Ma Baoli Inventor before: Liu Zhenguo Inventor before: Huang Yingfu Inventor before: Cao Zhigang Inventor before: Guan Jun Inventor before: Jiang Haibin Inventor before: Rui Jianke |
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