CN105735044A - Anti-fake coating white cardboard with antibacterial effect - Google Patents
Anti-fake coating white cardboard with antibacterial effect Download PDFInfo
- Publication number
- CN105735044A CN105735044A CN201610219666.5A CN201610219666A CN105735044A CN 105735044 A CN105735044 A CN 105735044A CN 201610219666 A CN201610219666 A CN 201610219666A CN 105735044 A CN105735044 A CN 105735044A
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- China
- Prior art keywords
- parts
- calcium carbonate
- coating
- raw material
- chinese medicine
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- 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.)
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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
- D21H19/00—Coated paper; Coating material
- D21H19/80—Paper comprising more than one coating
- D21H19/84—Paper comprising more than one coating on both sides of the substrate
-
- 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
- D21H19/00—Coated paper; Coating material
- D21H19/36—Coatings with pigments
- D21H19/38—Coatings with pigments characterised by the pigments
- D21H19/385—Oxides, hydroxides or carbonates
-
- 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
- D21H19/00—Coated paper; Coating material
- D21H19/36—Coatings with pigments
- D21H19/38—Coatings with pigments characterised by the pigments
- D21H19/40—Coatings with pigments characterised by the pigments siliceous, e.g. clays
-
- 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
- D21H19/00—Coated paper; Coating material
- D21H19/36—Coatings with pigments
- D21H19/44—Coatings with pigments characterised by the other ingredients, e.g. the binder or dispersing agent
-
- 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
- D21H21/36—Biocidal agents, e.g. fungicidal, bactericidal, insecticidal 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
- D21H21/40—Agents facilitating proof of genuineness or preventing fraudulent alteration, e.g. for security paper
- D21H21/44—Latent security elements, i.e. detectable or becoming apparent only by use of special verification or tampering devices or methods
- D21H21/48—Elements suited for physical verification, e.g. by irradiation
Abstract
The invention discloses an anti-fake coating white cardboard with an antibacterial effect.The anti-fake coating white cardboard comprises base paper, a precoating, a core coating, a face coating and a back coating formed by coating the back face of the base paper, wherein the front face of the base paper is sequentially covered with the precoating, the core coating and the face coating.The face coating is prepared from, by weight, 85-90 parts of heavy calcium carbonate, 16-18 parts of china clay and 11-19 parts of a traditional Chinese medicine composition, the precoating is prepared from, by weight, 60-68 parts of heavy calcium carbonate, 50-59 parts of light calcium carbonate, 4-7 parts of kaolin and 9-15 parts of infrared anti-face substances, the back coating is prepared from heavy calcium carbonate, wherein a traditional Chinese medicine extracting solution is formed by extracting 2-5 parts of rhizoma coptidis, 3-4 parts of radix scutellariae, 7-9 parts of honeysuckle flowers, 1-3 parts of abrus herbs and 2-4 parts of wild chrysanthemum flower with 25-45 parts of ethanol.The infrared anti-fake substances are added in the precoating, and the white cardboard has an anti-fake effect.The traditional Chinese medicine extracting solution is added into the face coating, the white cardboard has a bactericidal effect, can be widely used in food packaging and other industries, the preparation process is simple, and cost is low.
Description
Technical field
The present invention relates to field of papermaking, a kind of anti-counterfeiting coating white card paper with antibacterial effect.
Background technology
Along with expanding economy, the contradiction between forging and being false proof is more and more sharp-pointed.On the one hand, due to personation or counterfeit merchandise and can bring enormous profits, make adulterator's in depth research of making a desperate move decode and forgery method；On the other hand, along with emerging in large numbers of various new techniques, especially computer graphics disposal technology, color photocopying, high accuracy scanning, high-resolution prints, the developing rapidly of digital printing technology, makes original anti-counterfeit measures be easy to lose.Therefore, research and develop various anti-counterfeiting technology novel, efficient, be society, economic development in the urgent need to.
Owing to paper is of many uses, easy to use, meet environmental protection, and it is false proof etc. specific to have technology, material dual, and therefore, anti-forge paper and anti-counterfeiting technology thereof are all the time by favor and the application of people.The product that art post paperboard is medium-to-high grade as being coated with blank sheet of paper, consumption figure is rising always.But the art post paperboard on domestic market is based on the art post paperboard of import, and domestic production producer major part uses import pulp to produce, and its production cost is the highest.Existing anti-counterfeiting coating white card paper is interpolation colored pigment in white card backside coating layer, forms false proof color coating layer, but this anti-counterfeiting technology is because being backed with color, and false proof disguise is the strongest；Being also addition common fluorescent brightening agent during top sizing prepared by art post paperboard, in blueness in order to distinguish under uviol lamp, but fluorescent whitening agent is commonly used in the production of coated white cardboard so that it is anti-counterfeiting performance is the highest.The antibacterial functions of existing art post paperboard is poor, especially for the art post paperboard of packaging for foodstuff, is unfavorable for healthy.
Summary of the invention
It is an object of the invention to provide that a kind of preparation process is simple, the anti-counterfeiting coating white card paper with antibacterial effect of low cost, with the problem solving to propose in above-mentioned background technology.
For achieving the above object, the present invention provides following technical scheme:
A kind of anti-counterfeiting coating white card paper with antibacterial effect, including body paper, the backsize back coating that is covered in the precoated shet on its surface, core coating, finishing coat and body paper at former recto successively, the raw material of finishing coat includes according to weight portion: ground calcium carbonate 85-90 part, china clay 16-18 part, Chinese medicine composition 11-19 part；The raw material of precoated shet includes according to weight portion: ground calcium carbonate 60-68 part, precipitated calcium carbonate 50-59 part, Kaolin 4-7 part, infrared anti-false material 9-15 part；The raw material of back coating uses ground calcium carbonate, and wherein 2-5 part Rhizoma Coptidis, 3-4 part Radix Scutellariae, 7-9 part Flos Lonicerae, 1-3 part Herba Abri are prepared by 25-45 part ethanol extraction by Chinese medicine extraction liquid with 2-4 part Flos Chrysanthemi Indici.
As the further scheme of the present invention: the raw material of described finishing coat includes according to weight portion: ground calcium carbonate 87-88 part, china clay 16-18 part, Chinese medicine composition 14-16 part；The raw material of precoated shet includes according to weight portion: ground calcium carbonate 63-65 part, precipitated calcium carbonate 53-56 part, Kaolin 5-6 part, infrared anti-false material 11-13 part；The raw material of back coating uses ground calcium carbonate, and wherein 3-4 part Rhizoma Coptidis, 3-4 part Radix Scutellariae, 7.5-8.5 part Flos Lonicerae, 1.5-2.5 part Herba Abri are prepared by 33-37 part ethanol extraction by Chinese medicine extraction liquid with 2.5-3.5 part Flos Chrysanthemi Indici.
As the further scheme of the present invention: the raw material of described finishing coat includes according to weight portion: ground calcium carbonate 87.5 parts, china clay 17 parts, Chinese medicine extraction liquid 15 parts；The raw material of precoated shet includes according to weight portion: ground calcium carbonate 64 parts, precipitated calcium carbonate 54.5 parts, Kaolin 5.5 parts, infrared anti-false material 12 parts；The raw material of back coating uses ground calcium carbonate, and wherein 3.5 portions of Rhizoma Coptidis, 3.5 parts of Radix Scutellariae, 8 parts of Flos Loniceraes, 2 parts of Herba Abris are prepared by 35 parts of ethanol extractions by Chinese medicine extraction liquid with 3 parts of Flos Chrysanthemi Indicis.
Compared with prior art, the invention has the beneficial effects as follows:
The present invention adds infrared anti-false material in precoated shet, these anti-counterfeiting substances whitening color in the sunlight or colourless, and in specific color under infrared ray, make anti-counterfeiting coating white card paper not affect outward appearance and the printing performance thereof of art post paperboard while reaching antiforge function, and also there is higher crypticity.Chinese medicine extraction liquid in the present invention: Rhizoma Coptidis has stronger antibacterial action to dysentery bacterium, anthrax bacillus, staphylococcus aureus, Hemolytic streptococcus, Diplococcus pneumoniae and meningococcus etc., cell DNA can be affected and replicate interference bacterial growth breeding, suppress bacterioprotein biosynthesis.Baicalin contained by Radix Scutellariae has a wider spectrum antibacterial action, and staphylococcus aureus Hemolytic streptococcus, meningococcus and dysentery bacterium, Bacillus typhi, escherichia coli, bacillus pyocyaneus, cholera bacilli etc. are all had inhibitory action.Flos Lonicerae has enhancing immunity function, promotes lymphocyte transformation, and its decoct can promote the phagocytic function of leukocyte.Herba Abri alcohol extract has obvious immunoenhancement result, and Aqueous extracts also has relatively pretends use.Flos Chrysanthemi Indici has the effect that sterilization goes to swell.In finishing coat, add Chinese medicine extraction liquid, there is the effect of sterilization so that the present invention can be widely applied for the industries such as packaging for foodstuff.And preparation process is simple, low cost.
Detailed description of the invention
Below in conjunction with the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of protection of the invention.
Embodiment 1
In the embodiment of the present invention, a kind of anti-counterfeiting coating white card paper with antibacterial effect, including body paper, the backsize back coating that is covered in the precoated shet on its surface, core coating, finishing coat and body paper at former recto successively, the raw material of finishing coat includes: ground calcium carbonate 85 kilograms, china clay 16 kilograms, Chinese medicine composition 11 kilograms；The raw material of precoated shet includes: ground calcium carbonate 60 kilograms, precipitated calcium carbonate 50 kilograms, Kaolin 4 kilograms, infrared anti-false material 9 kilograms；The raw material of back coating uses ground calcium carbonate, and wherein 2 kilograms of Rhizoma Coptidis, 3 kilograms of Radix Scutellariae, 7 kilograms of Flos Loniceraes, 1 kilogram of Herba Abri are extracted prepared with 2 kilograms of Flos Chrysanthemi Indicis by Chinese medicine extraction liquid by 25 kg ethanol.
Embodiment 2
In the embodiment of the present invention, a kind of anti-counterfeiting coating white card paper with antibacterial effect, including body paper, the backsize back coating that is covered in the precoated shet on its surface, core coating, finishing coat and body paper at former recto successively, the raw material of finishing coat includes: ground calcium carbonate 90 kilograms, china clay 18 kilograms, Chinese medicine composition 19 kilograms；The raw material of precoated shet includes: ground calcium carbonate 68 kilograms, precipitated calcium carbonate 59 kilograms, Kaolin 7 kilograms, infrared anti-false material 15 kilograms；The raw material of back coating uses ground calcium carbonate, and wherein 5 kilograms of Rhizoma Coptidis, 4 kilograms of Radix Scutellariae, 9 kilograms of Flos Loniceraes, 3 kilograms of Herba Abris are extracted prepared with 4 kilograms of Flos Chrysanthemi Indicis by Chinese medicine extraction liquid by 45 kg ethanol.
Embodiment 3
In the embodiment of the present invention, a kind of anti-counterfeiting coating white card paper with antibacterial effect, including body paper, the backsize back coating that is covered in the precoated shet on its surface, core coating, finishing coat and body paper at former recto successively, the raw material of finishing coat includes: ground calcium carbonate 87 kilograms, china clay 16 kilograms, Chinese medicine composition 14 kilograms；The raw material of precoated shet includes: ground calcium carbonate 63 kilograms, precipitated calcium carbonate 53 kilograms, Kaolin 5 kilograms, infrared anti-false material 11 kilograms；The raw material of back coating uses ground calcium carbonate, and wherein 3 kilograms of Rhizoma Coptidis, 3 kilograms of Radix Scutellariae, 7.5 kilograms of Flos Loniceraes, 1.5 kilograms of Herba Abris are extracted prepared with 2.5 kilograms of Flos Chrysanthemi Indicis by Chinese medicine extraction liquid by 33 kg ethanol.
Embodiment 4
In the embodiment of the present invention, a kind of anti-counterfeiting coating white card paper with antibacterial effect, including body paper, the backsize back coating that is covered in the precoated shet on its surface, core coating, finishing coat and body paper at former recto successively, the raw material of finishing coat includes: ground calcium carbonate 88 kilograms, china clay 18 kilograms, Chinese medicine composition 16 kilograms；The raw material of precoated shet includes: ground calcium carbonate 65 kilograms, precipitated calcium carbonate 56 kilograms, Kaolin 6 kilograms, infrared anti-false material 13 kilograms；The raw material of back coating uses ground calcium carbonate, and wherein 4 kilograms of Rhizoma Coptidis, 4 kilograms of Radix Scutellariae, 8.5 kilograms of Flos Loniceraes, 2.5 kilograms of Herba Abris are extracted prepared with 3.5 kilograms of Flos Chrysanthemi Indicis by Chinese medicine extraction liquid by 37 kg ethanol.
Embodiment 5
In the embodiment of the present invention, a kind of anti-counterfeiting coating white card paper with antibacterial effect, including body paper, the backsize back coating that is covered in the precoated shet on its surface, core coating, finishing coat and body paper at former recto successively, the raw material of finishing coat includes: ground calcium carbonate 87.5 kilograms, china clay 17 kilograms, Chinese medicine extraction liquid 15 kilograms；The raw material of precoated shet includes: ground calcium carbonate 64 kilograms, precipitated calcium carbonate 54.5 kilograms, Kaolin 5.5 kilograms, infrared anti-false material 12 kilograms；The raw material of back coating uses ground calcium carbonate, and wherein 3.5 kilograms of Rhizoma Coptidis, 3.5 kilograms of Radix Scutellariae, 8 kilograms of Flos Loniceraes, 2 kilograms of Herba Abris are extracted prepared with 3 kilograms of Flos Chrysanthemi Indicis by Chinese medicine extraction liquid by 35 kg ethanol.
During production, body paper through top sizing, be dried, belt calender press polish process after, be coated with precoated shet, core coating and finishing coat successively at former recto, body paper reverse side be coated with back coating, then through soft calendaring, be dried, cooling, batch, to obtain final product.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, and without departing from the spirit or essential characteristics of the present invention, it is possible to realize the present invention in other specific forms.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is limited by claims rather than described above, it is intended that all changes fallen in the implication of equivalency and scope of claim included in the present invention.
In addition, it is to be understood that, although this specification is been described by according to embodiment, but the most each embodiment only comprises an independent technical scheme, this narrating mode of description is only for clarity sake, description should can also be formed, through appropriately combined, other embodiments that it will be appreciated by those skilled in the art that as an entirety, the technical scheme in each embodiment by those skilled in the art.
Claims (3)
1. an anti-counterfeiting coating white card paper with antibacterial effect, including body paper, the backsize back coating that is covered in the precoated shet on its surface, core coating, finishing coat and body paper at former recto successively, it is characterized in that, the raw material of finishing coat includes according to weight portion: ground calcium carbonate 85-90 part, china clay 16-18 part, Chinese medicine composition 11-19 part；The raw material of precoated shet includes according to weight portion: ground calcium carbonate 60-68 part, precipitated calcium carbonate 50-59 part, Kaolin 4-7 part, infrared anti-false material 9-15 part；The raw material of back coating uses ground calcium carbonate, and wherein 2-5 part Rhizoma Coptidis, 3-4 part Radix Scutellariae, 7-9 part Flos Lonicerae, 1-3 part Herba Abri are prepared by 25-45 part ethanol extraction by Chinese medicine extraction liquid with 2-4 part Flos Chrysanthemi Indici.
The anti-counterfeiting coating white card paper with antibacterial effect the most according to claim 1, it is characterised in that the raw material of described finishing coat includes according to weight portion: ground calcium carbonate 87-88 part, china clay 16-18 part, Chinese medicine composition 14-16 part；The raw material of precoated shet includes according to weight portion: ground calcium carbonate 63-65 part, precipitated calcium carbonate 53-56 part, Kaolin 5-6 part, infrared anti-false material 11-13 part；The raw material of back coating uses ground calcium carbonate, and wherein 3-4 part Rhizoma Coptidis, 3-4 part Radix Scutellariae, 7.5-8.5 part Flos Lonicerae, 1.5-2.5 part Herba Abri are prepared by 33-37 part ethanol extraction by Chinese medicine extraction liquid with 2.5-3.5 part Flos Chrysanthemi Indici.
The anti-counterfeiting coating white card paper with antibacterial effect the most according to claim 2, it is characterised in that the raw material of described finishing coat includes according to weight portion: ground calcium carbonate 87.5 parts, china clay 17 parts, Chinese medicine extraction liquid 15 parts；The raw material of precoated shet includes according to weight portion: ground calcium carbonate 64 parts, precipitated calcium carbonate 54.5 parts, Kaolin 5.5 parts, infrared anti-false material 12 parts；The raw material of back coating uses ground calcium carbonate, and wherein 3.5 portions of Rhizoma Coptidis, 3.5 parts of Radix Scutellariae, 8 parts of Flos Loniceraes, 2 parts of Herba Abris are prepared by 35 parts of ethanol extractions by Chinese medicine extraction liquid with 3 parts of Flos Chrysanthemi Indicis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610219666.5A CN105735044A (en) | 2016-04-11 | 2016-04-11 | Anti-fake coating white cardboard with antibacterial effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610219666.5A CN105735044A (en) | 2016-04-11 | 2016-04-11 | Anti-fake coating white cardboard with antibacterial effect |
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| Publication Number | Publication Date |
|---|---|
| CN105735044A true CN105735044A (en) | 2016-07-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610219666.5A Pending CN105735044A (en) | 2016-04-11 | 2016-04-11 | Anti-fake coating white cardboard with antibacterial effect |
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| CN (1) | CN105735044A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110886131A (en) * | 2018-09-11 | 2020-03-17 | 友元办公联盟(天津)股份有限公司 | Durable antibacterial white cardboard and preparation method thereof |
| CN110886132A (en) * | 2018-09-11 | 2020-03-17 | 友元办公联盟(天津)股份有限公司 | Mildew-proof antibacterial white cardboard and processing technology thereof |
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| CN101328701A (en) * | 2007-05-29 | 2008-12-24 | 珠海经济特区红塔仁恒纸业有限公司 | Long-acting antibiotic white cardboard and production method thereof |
| WO2010009661A1 (en) * | 2008-07-22 | 2010-01-28 | Dow Corning (Shanghai) Co., Ltd. | Emulsion composition, methods of softening fibrous structures using the same, and fibrous substrate treated therewith |
| CN103382692A (en) * | 2013-06-27 | 2013-11-06 | 珠海经济特区红塔仁恒纸业有限公司 | White base cardboard capable of being directly vacuum aluminized and preparation method thereof |
| CN103882774A (en) * | 2014-04-09 | 2014-06-25 | 亚太森博（山东）浆纸有限公司 | Anti-counterfeit white cardboard |
| CN105155361A (en) * | 2015-09-09 | 2015-12-16 | 福建省晋江优兰发纸业有限公司 | Antibacterial white cardboard and production method thereof |
| CN105332315A (en) * | 2015-11-05 | 2016-02-17 | 义乌市义南纸业有限公司 | Food wrapper with antibacterial and bacteriostatic effects and preparation method thereof |
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2016
- 2016-04-11 CN CN201610219666.5A patent/CN105735044A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101328701A (en) * | 2007-05-29 | 2008-12-24 | 珠海经济特区红塔仁恒纸业有限公司 | Long-acting antibiotic white cardboard and production method thereof |
| WO2010009661A1 (en) * | 2008-07-22 | 2010-01-28 | Dow Corning (Shanghai) Co., Ltd. | Emulsion composition, methods of softening fibrous structures using the same, and fibrous substrate treated therewith |
| CN103382692A (en) * | 2013-06-27 | 2013-11-06 | 珠海经济特区红塔仁恒纸业有限公司 | White base cardboard capable of being directly vacuum aluminized and preparation method thereof |
| CN103882774A (en) * | 2014-04-09 | 2014-06-25 | 亚太森博（山东）浆纸有限公司 | Anti-counterfeit white cardboard |
| CN105155361A (en) * | 2015-09-09 | 2015-12-16 | 福建省晋江优兰发纸业有限公司 | Antibacterial white cardboard and production method thereof |
| CN105332315A (en) * | 2015-11-05 | 2016-02-17 | 义乌市义南纸业有限公司 | Food wrapper with antibacterial and bacteriostatic effects and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110886131A (en) * | 2018-09-11 | 2020-03-17 | 友元办公联盟(天津)股份有限公司 | Durable antibacterial white cardboard and preparation method thereof |
| CN110886132A (en) * | 2018-09-11 | 2020-03-17 | 友元办公联盟(天津)股份有限公司 | Mildew-proof antibacterial white cardboard and processing technology thereof |
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Application publication date: 20160706 |