CN107354813A - A kind of mould proof corrugated case of waterproof - Google Patents
A kind of mould proof corrugated case of waterproof Download PDFInfo
- Publication number
- CN107354813A CN107354813A CN201710612249.1A CN201710612249A CN107354813A CN 107354813 A CN107354813 A CN 107354813A CN 201710612249 A CN201710612249 A CN 201710612249A CN 107354813 A CN107354813 A CN 107354813A
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- China
- Prior art keywords
- parts
- carton
- corrugated case
- mould
- waterproof
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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.)
- Pending
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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
- D21H19/10—Coatings without pigments
- D21H19/14—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12
-
- 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
- D21H19/10—Coatings without pigments
- D21H19/14—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12
- D21H19/20—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12 comprising macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
-
- 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
- D21H21/16—Sizing or water-repelling 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
- D21H21/36—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
- D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
- D21H27/10—Packing paper
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Packages (AREA)
- Cartons (AREA)
Abstract
The invention discloses a kind of mould proof corrugated case of waterproof, including the casing being made up of corrugated board, cardboard is followed successively by facial tissue, corrugated paper and interior paper from outside to inside, and mould inhibitor is coated with the interior paper surface of carton, and waterproof coating layer is coated with the outer paper surface of carton.Present invention paper surface in carton is coated with one layer of mould inhibitor, and the mould inhibitor is a kind of composite type mouldproof agent, can effectively press down mycostatic growth and procreation, effectively prevents erosion of the mould to transported article.The present invention one layer of waterproof coating of paper surface recombination outside carton; corrugated case is after covering with paint, lacquer, colour wash, etc. water-repellent paint; the surface abrasion resistance of carton can be made to strengthen, be anti-scratch, intensity it is high, and have stronger water-resistance, good moisture resistance, beautification and digital preservation can be played a part of to carton.
Description
Technical field
The invention belongs to carton production technical field, is related to a kind of corrugated case, specifically a kind of mould proof corrugated paper of waterproof
Case.
Background technology
Since over half a century, corrugated case gradually instead of wood with its superior performance and good processing characteristics
The transportation package holdses such as case, turn into the main force of transportation and packing.It except protection commodity, be easy to store in a warehouse, transport in addition to, also act as
Beautify commodity, publicize the effect of commodity.Corrugated case belongs to green product, and it is beneficial to environmental protection, is transported beneficial to handling.
Corrugated case is a kind of most widely used packing articles, and dosage is always first of various packing articles.In transit,
Corrugated case can support collision in by handling process and fall and fall, but can run into rainy weather unavoidably in transportation, watt
Stupefied carton water resistance is poor, meets the water capacity and easily rots, causes packing box to damage, and gets the article in damage packing box wet.Meanwhile thing
Product, because air, soil, water etc. all have microorganism, utilize common corrugation during production, packaging, transport and storage
The article article of packed in cases is inevitably infected by mould, can be to the thing in packing box when mould amount reproduction
Product cause different degrees of infringement.
The content of the invention
In order to solve the mould proof problem of the waterproof of corrugated case, the invention provides a kind of mould proof corrugated case of waterproof, the paper
Case is coated with mould inhibitor on interior paper surface, and outer paper surface is coated with waterproof coating layer.Mould inhibitor used is composite type mouldproof agent, Neng Gouyou
Effect presses down mycostatic infection and breeding；Water-repellent paint used is hydrophobic by being added in coating using acrylic resin as base-material
Fluorine-containing alkyl triethoxysilane so that being coated with the corrugated case of the coating has preferable water resistance.
The purpose of the present invention can be achieved through the following technical solutions：
A kind of mould proof corrugated case of waterproof, including the casing being made up of corrugated board, cardboard be followed successively by from outside to inside facial tissue,
Corrugated paper and interior paper, mould inhibitor is coated with the interior paper surface of carton, and waterproof coating layer is coated with the outer paper surface of carton.
The water-repellent paint is prepared by following raw material：Acrylic resin 30-40 parts, containing the ethoxy of fluoroalkyl three
Base silane 10-15 parts, lauryl acrylate 1-3 parts, defoamer 0.5-2 parts, bleeding agent 1-3 parts, organic solvent 10-20 parts, Gu
Agent 10-15 parts；
The mould inhibitor is prepared by following raw material：Benzimidazole methyl carbamate 10-20 parts, the tetradecane
Base lutidines ammonium bromide 10-15 parts, cyclohexene -1, the 2- dimethyl acid imide 5-10 parts of N- trichloromethylthios -4,2- is just
Octyl group -4- isothiazoline -3- ketone 5-10 parts, industrial alcohol 40-50 parts.
The water-repellent paint preparation process is as follows：First acrylic resin is added in organic solvent, in 25-35 DEG C, 30-
Lauryl acrylate, defoamer, bleeding agent are stirring evenly and then adding under 40r/s rotating speeds, continues to be uniformly mixed, fluothane will be contained
Ethyl triethoxy silicane alkane is slowly added into the whirlpool that impeller stirs, and after adding, wheel speed is improved to 50-60r/s, until obtaining
Dispersed solution, is then quickly added into curing agent, and water-repellent paint is can be prepared by after being uniformly dispersed.
The preparation process of the mould inhibitor is as follows：Benzimidazole methyl carbamate is added into industrial alcohol, at 25-35 DEG C
Under stirred with 40-50r/s rotating speed, until whole dissolvings, then add dodecyldimethylamine yl pyridines ammonium bromide, N- successively
Cyclohexene -1, the 2- dimethyl of trichloromethylthio -4 acid imide, Kathon, rise temperature to 50-
60 DEG C, continue stirring until all dissolvings, you can composite type mouldproof agent is made.
Defoamer is OPEO or organic silicon defoamer in the water-repellent paint；Bleeding agent is sulfamic acid
Sodium or AEO；Organic solvent is n-butanol or dimethylbenzene.
Curing agent is isocyanates or melamine in the water-repellent paint.
Beneficial effects of the present invention：
(1) present invention paper surface in carton is coated with one layer of mould inhibitor, and the mould inhibitor is a kind of composite type mouldproof agent, can
Effectively press down mycostatic growth and procreation, effectively prevent erosion of the mould to transported article.
(2) present invention one layer of waterproof coating of paper surface recombination outside carton, there is certain waterproof action to carton.The present invention
Rapid draing film forming after water-repellent paint used is brushed on carton, its film layer transparency is high, glossiness is good, and film is smooth not to be glued
Even, on cardboard box printing ink without influence.Corrugated case after covering with paint, lacquer, colour wash, etc. water-repellent paint, can strengthen the surface abrasion resistance of carton,
It is anti-scratch, intensity is high, and has stronger water-resistance, good moisture resistance, beautification and digital preservation can be played a part of to carton.
Embodiment
Technical scheme is clearly and completely described below in conjunction with embodiment, it is clear that described reality
It is only part of the embodiment of the present invention to apply example, rather than whole embodiments.It is general based on the embodiment in the present invention, this area
All other embodiment that logical technical staff is obtained under the premise of creative work is not made, belong to what the present invention protected
Scope.
Embodiment 1：
A kind of mould proof corrugated case of waterproof, including the casing being made up of corrugated board, cardboard be followed successively by from outside to inside facial tissue,
Corrugated paper and interior paper, a kind of mould proof corrugated case of waterproof, including the casing being made up of corrugated board, cardboard are followed successively by from outside to inside
Facial tissue, corrugated paper and interior paper, mould inhibitor is coated with the interior paper surface of carton, and waterproof coating layer is coated with the outer paper surface of carton.
The water-repellent paint preparation process is as follows：First 30 parts of acrylic resins are added in 10 parts of n-butanols, 25 DEG C,
1 part of lauryl acrylate, 0.5 part of organic silicon defoamer, 1 part of sulfamic acid sodium are stirring evenly and then adding under 30r/s rotating speeds, is continued
It is uniformly mixed, 10 parts of fluorine-containing alkyl triethoxysilanes is slowly added into the whirlpool that impeller stirs, after adding, improves leaf
Wheel speed, until obtaining dispersed solution, is then quickly added into 10 parts of isocyanates, after being uniformly dispersed to 50r/s
Water-repellent paint is made.
The preparation process of the mould inhibitor is as follows：10 parts of benzimidazole methyl carbamates are added into 40 parts of industrial alcohol,
Stirred at 25 DEG C with 40r/s rotating speed, until whole dissolvings, then add 10 parts of dodecyldimethylamine yl pyridines bromines successively
Change ammonium, 5 parts of cyclohexene -1, the 2- dimethyl acid imides of N- trichloromethylthios -4,5 parts of Kathons,
Temperature is raised to 50 DEG C, continues stirring until all dissolvings, you can composite type mouldproof agent is made.
Embodiment 2：
A kind of mould proof corrugated case of waterproof, including the casing being made up of corrugated board, cardboard be followed successively by from outside to inside facial tissue,
Corrugated paper and interior paper, a kind of mould proof corrugated case of waterproof, including the casing being made up of corrugated board, cardboard are followed successively by from outside to inside
Facial tissue, corrugated paper and interior paper, mould inhibitor is coated with the interior paper surface of carton, and waterproof coating layer is coated with the outer paper surface of carton.
The water-repellent paint preparation process is as follows：First 35 parts of acrylic resins are added in n-butanol, in 30 DEG C, 35r/s
2 parts of lauryl acrylates, 1 part of OPEO, 2 parts of sulfamic acid sodium are stirring evenly and then adding under rotating speed, continue to stir
Mix well mixed, 12 parts of fluorine-containing alkyl triethoxysilanes are slowly added into the whirlpool that impeller stirs, after adding, improve impeller
Rotating speed, until obtaining dispersed solution, is then quickly added into 12 parts of isocyanates, can made after being uniformly dispersed to 55r/s
Obtain water-repellent paint.
The preparation process of the mould inhibitor is as follows：15 parts of benzimidazole methyl carbamates are added into 45 parts of industrial alcohol,
Stirred at 30 DEG C with 45r/s rotating speed, until whole dissolvings, then add 12 parts of dodecyldimethylamine yl pyridines bromines successively
Change ammonium, 7 parts of cyclohexene -1, the 2- dimethyl acid imides of N- trichloromethylthios -4,7 parts of Kathons,
Temperature is raised to 55 DEG C, continues stirring until all dissolvings, you can composite type mouldproof agent is made.
Embodiment 3：
A kind of mould proof corrugated case of waterproof, including the casing being made up of corrugated board, cardboard be followed successively by from outside to inside facial tissue,
Corrugated paper and interior paper, a kind of mould proof corrugated case of waterproof, including the casing being made up of corrugated board, cardboard are followed successively by from outside to inside
Facial tissue, corrugated paper and interior paper, mould inhibitor is coated with the interior paper surface of carton, and waterproof coating layer is coated with the outer paper surface of carton.
The water-repellent paint preparation process is as follows：First 40 parts of acrylic resins are added in n-butanol, in 35 DEG C, 40r/s
3 parts of lauryl acrylates, 2 parts of OPEOs, 3 parts of sulfamic acid sodium are stirring evenly and then adding under rotating speed, continue to stir
Mix well mixed, 15 parts of fluorine-containing alkyl triethoxysilanes are slowly added into the whirlpool that impeller stirs, after adding, improve impeller
Rotating speed until obtaining dispersed solution, is then quickly added into isocyanates, can be prepared by preventing after being uniformly dispersed to 60r/s
Water paint.
The preparation process of the mould inhibitor is as follows：20 parts of benzimidazole methyl carbamates are added into industrial alcohol, 35
Stirred at DEG C with 50r/s rotating speed, until whole dissolvings, then add 15 parts of dodecyldimethylamine yl pyridines brominations successively
Ammonium, 10 parts of cyclohexene -1, the 2- dimethyl acid imides of N- trichloromethylthios -4,10 parts of Kathons,
Temperature is raised to 60 DEG C, continues stirring until all dissolvings, you can composite type mouldproof agent is made.
Take the technique on paper surface in above-mentioned mould inhibitor coating corrugated case as follows：Composite type mouldproof agent is placed in gas spray gun
In, paper surface in corrugated board is sprayed at, is then dried in an oven.
Take the technique on the above-mentioned outer paper surface of water-repellent paint coating corrugated case as follows：By knife type coater by excess
Unnecessary coating is scraped off in the outer surface of cardboard facial tissue and inner surface, recycling scraper, then enters dope layer by coatings
Row heated-air drying, pressure heat is carried out with calender after drying, coating layer is formed more smooth surface, then with adhesive by facial tissue
Bonded with corrugated layer and interior paper and corrugated layer, processing is then dried, obtain the mould proof corrugated board of waterproof.
Fungus-proof test method and standard：Exterior and interior packing material presses GB/T 4768-2008 " mouldproof packaging, " examination with package
Proved recipe method, test material is positioned over 29 DEG C ± 1 DEG C of temperature, carried out in the chamber of relative humidity 97% ± 1% 28 days it is mould proof
Experiment, according to fungus growth situation, is divided into 4 grades by mouldproof packaging, grade.Each grade has following difference：
I grade, through 28 days mould tests, does not find fungus growth.
II grade after 28 days mould tests, inner packing sealing it is intact, product surface and inner packing film surface are not found
Fungus growth.Outer packing regional area has fungus growth, and growth area is not to be exceeded the 10% of surfaces externally and internally, and should not be because of mildew
Influence the performance of packaging.
III grade after 28 days mould tests, product and exterior and interior packing allow local a small amount of mildew phenomenon occur.Test specimen
The 25% of its surfaces externally and internally is not to be exceeded in mildew area.
After IV grade carries out 28 days mould tests, there is serious mildew phenomenon in test specimen part or one integral piece, and mildew area accounts for
Its surfaces externally and internally product 25%.If experiment extends to 84 days, experimental period inner packaging material mechanical performance declines, and it is outer to produce mildew influence
See.
After tested, mould proof corrugated case made from the present embodiment 1-3 reaches I grade.
Present invention disclosed above preferred embodiment is only intended to help and illustrates the present invention.Preferred embodiment is not detailed
All details are described, it is only described embodiment also not limit the invention.Obviously, according to the content of this specification,
It can make many modifications and variations.This specification is chosen and specifically describes these embodiments, is to preferably explain the present invention
Principle and practical application so that skilled artisan can be best understood by and utilize the present invention.The present invention is only
Limited by claims and its four corner and equivalent.
Claims (7)
1. a kind of mould proof corrugated case of waterproof, including the casing being made up of corrugated board, cardboard be followed successively by from outside to inside facial tissue, watt
Stupefied paper and interior paper, it is characterised in that be coated with mould inhibitor on the interior paper surface of carton, coating waterproof applies on the outer paper surface of carton
Material；
The water-repellent paint is prepared by following raw material：Acrylic resin 30-40 parts, triethoxysilicane containing fluoroalkyl
Alkane 10-15 parts, lauryl acrylate 1-3 parts, defoamer 0.5-2 parts, bleeding agent 1-3 parts, organic solvent 10-20 parts, curing agent
10-15 parts；
The mould inhibitor is prepared by following raw material：Benzimidazole methyl carbamate 10-20 parts, myristyl two
Picoline ammonium bromide 10-15 parts, cyclohexene -1, the 2- dimethyl acid imide 5-10 parts of N- trichloromethylthios -4,2- n-octyls -
4- isothiazoline -3- ketone 5-10 parts, industrial alcohol 40-50 parts.
A kind of 2. mould proof corrugated case of waterproof according to claim 1, it is characterised in that the water-repellent paint preparation process
It is as follows：First acrylic resin is added in organic solvent, activity is stirring evenly and then adding under 25-35 DEG C, 30-40r/s rotating speeds
Diluent, defoamer, bleeding agent, continue to be uniformly mixed, fluorine-containing alkyl triethoxysilane is slowly added into impeller stirs
Whirlpool in, after adding, improve wheel speed to 50-60r/s, until obtaining dispersed solution, be then quickly added into solid
Agent, water-repellent paint is can be prepared by after being uniformly dispersed.
A kind of 3. mould proof corrugated case of waterproof according to claim 1, it is characterised in that the preparation process of the mould inhibitor
It is as follows：Benzimidazole methyl carbamate is added into industrial alcohol, stirred at 25-35 DEG C with 40-50r/s rotating speed, until
All dissolvings, then add dodecyldimethylamine yl pyridines ammonium bromide, the cyclohexene -1,2- bis- of N- trichloromethylthios -4 successively
Methyl imide, Kathon, rise temperature continue stirring until all dissolving, i.e., to 50-60 DEG C
Composite type mouldproof agent can be made.
4. the mould proof corrugated case of a kind of waterproof according to claim 1 or 2, the defoamer is OPEO
Or organic silicon defoamer.
5. the mould proof corrugated case of a kind of waterproof according to claim 1 or 2, the bleeding agent is sulfamic acid sodium or fat
Alcohol APEO.
6. the mould proof corrugated case of a kind of waterproof according to claim 1 or 2, the organic solvent is n-butanol or diformazan
Benzene.
7. the mould proof corrugated case of a kind of waterproof according to claim 1 or 2, the curing agent is isocyanates or melamine
Amine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710612249.1A CN107354813A (en) | 2017-07-25 | 2017-07-25 | A kind of mould proof corrugated case of waterproof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710612249.1A CN107354813A (en) | 2017-07-25 | 2017-07-25 | A kind of mould proof corrugated case of waterproof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107354813A true CN107354813A (en) | 2017-11-17 |
Family
ID=60285794
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710612249.1A Pending CN107354813A (en) | 2017-07-25 | 2017-07-25 | A kind of mould proof corrugated case of waterproof |
Country Status (1)
| Country | Link |
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| CN (1) | CN107354813A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109968736A (en) * | 2019-02-19 | 2019-07-05 | 滁州卷烟材料厂 | A kind of fungus-resistant type corrugated case |
| CN112046119A (en) * | 2020-09-14 | 2020-12-08 | 北京鉴真保鲜科技有限公司 | Dampproofing carton that disinfects of double-deck corrugated paper of fruit vegetables transportation |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06287891A (en) * | 1992-01-28 | 1994-10-11 | Honshu Paper Co Ltd | Production of paper and paper board |
| CN104046217A (en) * | 2013-03-12 | 2014-09-17 | 无锡市顺业科技有限公司 | Preparation method of high strength superhydrophobic coating |
| CN105000244A (en) * | 2015-05-18 | 2015-10-28 | 达成包装制品（苏州）有限公司 | Mold-proof packaging corrugated case |
| CN106433364A (en) * | 2016-09-22 | 2017-02-22 | 南开大学 | Superhydrophobicity coating based on waterborne emulsion and preparing method and application thereof |
| CN106882468A (en) * | 2017-04-10 | 2017-06-23 | 滁州卷烟材料厂 | A kind of nanometer is coated with water proof anti-soil corrugated case |
-
2017
- 2017-07-25 CN CN201710612249.1A patent/CN107354813A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06287891A (en) * | 1992-01-28 | 1994-10-11 | Honshu Paper Co Ltd | Production of paper and paper board |
| CN104046217A (en) * | 2013-03-12 | 2014-09-17 | 无锡市顺业科技有限公司 | Preparation method of high strength superhydrophobic coating |
| CN105000244A (en) * | 2015-05-18 | 2015-10-28 | 达成包装制品（苏州）有限公司 | Mold-proof packaging corrugated case |
| CN106433364A (en) * | 2016-09-22 | 2017-02-22 | 南开大学 | Superhydrophobicity coating based on waterborne emulsion and preparing method and application thereof |
| CN106882468A (en) * | 2017-04-10 | 2017-06-23 | 滁州卷烟材料厂 | A kind of nanometer is coated with water proof anti-soil corrugated case |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109968736A (en) * | 2019-02-19 | 2019-07-05 | 滁州卷烟材料厂 | A kind of fungus-resistant type corrugated case |
| CN109968736B (en) * | 2019-02-19 | 2021-09-14 | 滁州卷烟材料厂 | Mould proof type corrugated box that suppresses bacteria |
| CN112046119A (en) * | 2020-09-14 | 2020-12-08 | 北京鉴真保鲜科技有限公司 | Dampproofing carton that disinfects of double-deck corrugated paper of fruit vegetables transportation |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171117 |
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| RJ01 | Rejection of invention patent application after publication |