CN107839326A - Anti-mildew fresh-keeping corrugated board and preparation method thereof - Google Patents
Anti-mildew fresh-keeping corrugated board and preparation method thereof Download PDFInfo
- Publication number
- CN107839326A CN107839326A CN201711047144.2A CN201711047144A CN107839326A CN 107839326 A CN107839326 A CN 107839326A CN 201711047144 A CN201711047144 A CN 201711047144A CN 107839326 A CN107839326 A CN 107839326A
- Authority
- CN
- China
- Prior art keywords
- fresh
- keeping
- corrugated board
- corrugation
- adsorbent
- 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
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B29/00—Layered products comprising a layer of paper or cardboard
- B32B29/002—Layered products comprising a layer of paper or cardboard as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B29/005—Layered products comprising a layer of paper or cardboard as the main or only constituent of a layer, which is next to another layer of the same or of a different material next to another layer of paper or cardboard layer
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23B—PRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES, EDIBLE SEEDS; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; THE PRESERVED, RIPENED, OR CANNED PRODUCTS
- A23B7/00—Preservation or chemical ripening of fruit or vegetables
- A23B7/14—Preserving or ripening with chemicals not covered by groups A23B7/08 or A23B7/10
- A23B7/144—Preserving or ripening with chemicals not covered by groups A23B7/08 or A23B7/10 in the form of gases, e.g. fumigation; Compositions or apparatus therefor
- A23B7/152—Preserving or ripening with chemicals not covered by groups A23B7/08 or A23B7/10 in the form of gases, e.g. fumigation; Compositions or apparatus therefor in a controlled atmosphere comprising other gases in addition to CO2, N2, O2 or H2O ; Elimination of such other gases
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B29/00—Layered products comprising a layer of paper or cardboard
- B32B29/08—Corrugated paper or cardboard
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2250/00—Layers arrangement
- B32B2250/26—All layers being made of paper or paperboard
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2255/00—Coating on the layer surface
- B32B2255/12—Coating on the layer surface on paper layer
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Food Science & Technology (AREA)
- Polymers & Plastics (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Laminated Bodies (AREA)
Abstract
The present invention relates to a kind of anti-mildew fresh-keeping corrugated board and preparation method thereof, the anti-mildew fresh-keeping corrugated board includes paper, corrugating medium and corrugation facial tissue in the corrugation that stacks gradually, the one side of corrugating medium paper in the corrugation is provided with fungus resistant coating, the corrugating medium is provided with fresh-keeping coating close to the one side of the corrugation facial tissue, the fresh-keeping coating is made up of the hollow porous polymer microsphere for being loaded with adsorbent, the adsorbent includes potassium permanganate, and the adsorbent is at least partly carried on the inside of the hollow porous polymer microsphere.The fungus resistant coating of the anti-mildew fresh-keeping corrugated board can suppress to pack the growth of interior mould, in the case where fruits and vegetables are without preceding processing, generation is not easy to go mouldy, fresh-keeping coating can more efficiently remove ethene, the respiration of fruits and vegetables is not influenceed simultaneously, therefore preservation effect is improved, extends preservation duration.
Description
Technical field
The present invention relates to anti-mildew fresh-keeping technical field, more particularly to a kind of anti-mildew fresh-keeping corrugated board and its preparation side
Method.
Background technology
Fresh fruit of vegetables be it is daily must vitamin, mineral matter and dietary fiber important sources, have unique shape,
Color.Fruits and vegetables tissue water content is high, and tissue is tender, but perishable rotten, not shelf-stable, adopt the rear Yishui River and lose it is fresh, so as to
Cause quality to reduce, or even lose commodity value and nutritive value.Fruit and vegetable demand is to be only second to the agriculture of grain in the world
Product, by years development, China has turned into the fruit and vegetable food producing country of maximum in the world, and germ plasm resource is enriched, cultivation history
It is long, it is the cradle of a variety of fruits and vegetables in the world.Postharvest fruit and vegetable preservation and freshness is then the continuity of agricultural production, keeps fruits and vegetables quality
Be one of important goal that people pursue with freshness, must be solved the problems, such as in fruit vegetables storing, transport, the process of circulation.
In family life, supermarket sales field, hotel and industrial food packaging applications, widely used corrugated board
The packed and transported of food is carried out, there is preferable physical buffer protecting effect.But in general corrugated board is for the guarantor of fruits and vegetables
Tibetan effect is poor, and the preservation time is shorter.
The content of the invention
Based on this, it is necessary to provide the anti-mildew fresh-keeping corrugation that a kind of preservation effect to fruits and vegetables is preferable, the preservation time is longer
Cardboard.
A kind of anti-mildew fresh-keeping corrugated board, including paper, corrugating medium and corrugation facial tissue in the corrugation stacked gradually, described watt
The one side of stupefied core paper paper in the corrugation is provided with fungus resistant coating, and the corrugating medium sets close to the one side of the corrugation facial tissue
There is fresh-keeping coating, the fresh-keeping coating is made up of the hollow porous polymer microsphere for being loaded with adsorbent, and the adsorbent includes
Potassium permanganate, the adsorbent are at least partly carried on the inside of the hollow porous polymer microsphere.
In one of the embodiments, the adsorbent also includes montmorillonite, activated carbon, chrome green and methyl ring third
Alkene.
In one of the embodiments, in the adsorbent, the potassium permanganate, the methyl cyclopropene, three oxygen
The mass percent for changing two chromium, the activated carbon and the montmorillonite is respectively 55%~65%, 20%~30%, 5%~
10%th, 1%~3% and 1%~3%.
In one of the embodiments, the one side of the corrugation facial tissue away from the corrugating medium is provided with decorative layer.
In one of the embodiments, the fungus resistant coating includes the component of following mass percent:70%~90% inhales
Water-resin and 10%~30% mould inhibitor.
In one of the embodiments, the water-absorbing resin be selected from polyurethane, acrylic acid esters co-polymer, polyvinyl alcohol,
One kind in ethylene-vinyl acetate analog copolymer, polyvinyl acetate copolymer, epoxy resin, polyester and its derivative or
It is a variety of.
In one of the embodiments, the water-absorbing resin includes the component of following mass percent:10%~15% is poly-
Vinyl alcohol and 85%~90% acrylic acid esters co-polymer.
In one of the embodiments, the acrylic acid esters co-polymer be selected from methyl methacrylate-ethyl acrylate-
Butyl acrylate copolymer, methyl methacrylate-butyl acrylate-acrylic copolymer, methyl methacrylate-acrylic acid
One or more in butyl ester-acrylic acid-N hydroxymethyl acrylamide copolymer.
In one of the embodiments, the polyvinyl alcohol is selected from polyvinyl alcohol 1788, polyvinyl alcohol 2088 and polyethylene
One or more in alcohol 2488.
Present invention also offers a kind of preparation method of above-mentioned anti-mildew fresh-keeping corrugated board, comprise the following steps:
The fungus resistant coating is formed in the one side of the corrugating medium;
In the ethanol solution of the hollow porous polymer microsphere of coated on one side of the corrugating medium away from the fungus resistant coating,
After the slurry that coated on one side of the corrugating medium away from the fungus resistant coating is mixed to get by the adsorbent and water, drying
Form the fresh-keeping coating;
By paper, corrugating medium and the corrugation facial tissue with the fungus resistant coating and the fresh-keeping coating in the corrugation
Fixation is stacked gradually, obtains the anti-mildew fresh-keeping corrugated board.
Ethene is a Plant Hormone, and can accumulate gradually release in the development of the gardening plants such as fruit vegetable, when release
When ethene reaches a certain amount of around fruits and vegetables, will accelerate fruit and vegetable it is ripe with it is rotten, reduce the commodity value of fruits and vegetables.
In fruit vegetables storing environment, ethene can also change carbon dioxide and cause fruits and vegetables metabolic disorder to the effect of fruits and vegetables.Therefore it is traditional
Corrugated board can not be effectively reduced the ethylene concentration around fruits and vegetables, cause ethylene concentration to gradually step up, and accelerate the corruption of fruits and vegetables
Rotten speed, have impact on fresh-keeping effect, shorten fresh-keeping duration.The present invention anti-mildew fresh-keeping corrugated board when packing fruits and vegetables, watt
Stupefied core paper can provide physical buffer protective effect, and the fungus resistant coating and can on its surface enough suppresses to pack the growth of interior mould,
In the case that fruits and vegetables are without pre-treatment, it are not easy to generation and go mouldy, fruits and vegetables then can be by corrugation because of ethene caused by respiration
Potassium permanganate in the fresh-keeping coating on core paper surface removes.And because potassium permanganate is contained in hollow porous polymer microsphere,
Walked with higher specific surface area, during the fresh-keeping coating of contact ethylene in substantial amounts of microballoon be able to it is fully anti-with potassium permanganate
Should, reaction efficiency and raw material availability are improved, can more efficiently remove ethene, so that ethylene concentration maintains very low water
It is flat, while the respiration of fruits and vegetables is not influenceed, therefore preservation effect is improved, extend preservation duration.
Secondly, methyl cyclopropene, chrome green, activated carbon and montmorillonite are added in adsorbent, and it is each by optimizing
The ratio of component further improves fresh-keeping effect.Methyl cyclopropene can be by competing ethylene receptor and then ethene suppressing with ethene
Synthesis and physiological action performance, add chrome green can then have with the oxidation Decomposition of catalysed promoted ethene, activated carbon
Outstanding physical absorption performance, montmorillonite have unique one-dimensional layered nano-structure, and it is born by the surface band of nano thickness
The silicate lamella of electricity, is packed together the earthy mineral of composition by the electrostatic interaction of interlayer, the crystalline substance in its crystal structure
Born of the same parents are made up of one layer of alumina octahedral of folder among two layers of silicon-oxy tetrahedron, have very strong adsorption capacity and good dispersiveness
Energy.Each component coordinated under special ratios, so as to can be further assured that the concentration of ethene is kept low, extend and protect
Fresh duration.
Further, the particular combination of the polyhydroxylated polymer of fungus resistant coating optimization has very strong water imbibition, is steamed in water
Gas can be adsorbed after being in contact with it, and after finite concentration is reached, because the reason for concentration difference, the back-diffusion into packaging, energy
Enough effective moisture losses for suppressing fruits and vegetables, improve fruits and vegetables preservation quality.
Embodiment
To enable objects, features and advantages of the present invention more obvious understandable, below to the specific embodiment party of the present invention
Formula is described in detail.Many details are elaborated in the following description to facilitate a thorough understanding of the present invention, still this hair
Bright to be implemented with being much different from other modes described here, those skilled in the art can be without prejudice in the present invention
Similar improvement is done in the case of culvert, therefore the present invention is not limited to the specific embodiments disclosed below.
Unless otherwise defined, all of technologies and scientific terms used here by the article is with belonging to technical field of the invention
The implication that technical staff is generally understood that is identical.Term used in the description of the invention herein is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term as used herein "and/or" includes one or more phases
The arbitrary and all combination of the Listed Items of pass.
The anti-mildew fresh-keeping corrugated board of an embodiment of the present invention, including paper in the corrugation stacked gradually, corrugating medium and
Corrugation facial tissue, the one side of corrugating medium's paper in corrugation are provided with fungus resistant coating, and corrugating medium sets close to the one side of corrugation facial tissue
There is fresh-keeping coating, fresh-keeping coating is made up of the hollow porous polymer microsphere for being loaded with adsorbent, and adsorbent includes potassium permanganate,
Adsorbent is at least partly carried on the inside of hollow porous polymer microsphere.
Further, adsorbent also includes montmorillonite, activated carbon, chrome green and methyl cyclopropene.
Specifically, in adsorbent, potassium permanganate, methyl cyclopropene, chrome green, activated carbon and the quality of montmorillonite hundred
Divide ratio respectively 55%~65%, 20%~30%, 5%~10%, 1%~3% and 1%~3%.
Alternatively, one side of the corrugation facial tissue away from corrugating medium be provided with decorative layer, such as the information such as word, pattern in order to
Identification.
In one embodiment, fungus resistant coating includes the component of following mass percent:The He of water-absorbing resin 70%~90%
Mould inhibitor 10%~30%.Specifically, water-absorbing resin is selected from polyurethane, acrylic acid esters co-polymer, polyvinyl alcohol, ethene-vinegar
One or more in vinyl acetate analog copolymer, polyvinyl acetate copolymer, epoxy resin, polyester and its derivative.It is excellent
Selection of land, water-absorbing resin include the component of following mass percent:10%~15% polyvinyl alcohol and 85%~90% acrylate
Analog copolymer.
Further, acrylic acid esters co-polymer is selected from methyl methacrylate-ethyl acrylate-acrylic acid butyl ester copolymerization
Thing, methyl methacrylate-butyl acrylate-acrylic copolymer, methyl methacrylate-butyl acrylate-acrylic acid-N-
One or more in hydroxymethyl acrylamide copolymer.Alternatively, polyvinyl alcohol is selected from polyvinyl alcohol 1788, polyvinyl alcohol
2088 and polyvinyl alcohol 2488 in one or more.Preferably, water-absorbing resin includes the component of following mass percent:5%
~8% polyvinyl alcohol 1788,5%~7% polyvinyl alcohol 2488 and 85%~90% methyl methacrylate-butyl acrylate-
Acrylic copolymer, has a more preferable Water-saving effect, and coordinates overall performance more preferably with mould inhibitor, fresh-keeping coating etc..
In one embodiment, mould inhibitor is selected from sodium Diacetate, potassium sorbate, sodium sorbate, potassium citrate, citric acid
Sodium, calcium propionate, sodium ascorbate, potassium ascorbate, sodium salicylate, trichlamide, dodecyl alanine, sodium isoascorbate,
Kathon CG, p-hydroxybenzoate and bacteriolyze it is mould in one or more.Preferably, mould inhibitor includes the group of following mass percent
Point:22%~26% sodium ascorbate, 22%~26% trichlamide and 48%~56% Kathon CG, anti-mold effect are preferable.
In one embodiment, the thickness of fungus resistant coating is 2 μm~5 μm, and the thickness of fresh-keeping coating is 2 μm~5 μm.It is preferred that
Ground, the aperture of hollow porous polymer microsphere are more than 50nm.Alternatively, the material of hollow porous polymer microsphere is acrylate
Analog copolymer.
The preparation method of the above-mentioned anti-mildew fresh-keeping corrugated board of an embodiment of the present invention, comprises the following steps S1~S3:
S1, the one side formation fungus resistant coating in corrugating medium.
Specifically, each component raw material and water mixed pulp are weighed by said ratio and obtains mildew resistant paint, be then coated on watt
The one side of stupefied core paper after drying to form fungus resistant coating.
S2, the ethanol solution in the hollow porous polymer microsphere of coated on one side of the corrugating medium away from fungus resistant coating, watt
The slurry that coated on one side of the stupefied core paper away from fungus resistant coating is mixed to get by adsorbent and water, fresh-keeping coating is formed after drying.
In this way, fresh-keeping coating is made up of the hollow porous polymer microsphere for being loaded with adsorbent, and adsorbent is at least partly
It is carried on the inside of hollow porous polymer microsphere.
Preferably, the mass percent concentration of adsorbent is 0.2%~1% in slurry, and excessive concentration easily causes to adsorb
Agent is difficult to enter sufficiently into hollow porous polymer microsphere, and the too low then adsorption effect of concentration reduces.
S3, by paper in corrugation, there is fungus resistant coating and the corrugating medium of fresh-keeping coating and corrugation facial tissue to stack gradually fixation,
Obtain anti-mildew fresh-keeping corrugated board.
In one embodiment, above-mentioned drying specifically includes following steps:Dried 5~6 hours under the conditions of 15~25 DEG C,
Then dried 1~3 hour under the conditions of 50 DEG C~80 DEG C.Slowly dried in this way, being first put into 20 DEG C or so of environment, with microballoon
The evaporation of interior moisture, the water outside microballoon can carry partial adsorbates agent again and enter microballoon, then quick under higher temperature
The moisture in microballoon is fully dried, avoiding directly drying at high temperature causes the too fast evaporation of moisture and more adsorbents also stop
On the surface of microballoon.
Ethene is a Plant Hormone, and can accumulate gradually release in the development of the gardening plants such as fruit vegetable, when release
When ethene reaches a certain amount of around fruits and vegetables, will accelerate fruit and vegetable it is ripe with it is rotten, reduce the commodity value of fruits and vegetables.
In fruit vegetables storing environment, ethene can also change carbon dioxide and cause fruits and vegetables metabolic disorder to the effect of fruits and vegetables.Therefore it is traditional
Corrugated board can not be effectively reduced the ethylene concentration around fruits and vegetables, cause ethylene concentration to gradually step up, and accelerate the corruption of fruits and vegetables
Rotten speed, have impact on fresh-keeping effect, shorten fresh-keeping duration.The present invention anti-mildew fresh-keeping corrugated board when packing fruits and vegetables, watt
Stupefied core paper can provide physical buffer protective effect, and the fungus resistant coating and can on its surface enough suppresses to pack the growth of interior mould,
In the case that fruits and vegetables are without pre-treatment, it are not easy to generation and go mouldy, fruits and vegetables then can be by corrugation because of ethene caused by respiration
Potassium permanganate in the fresh-keeping coating on core paper surface removes.And because potassium permanganate is contained in hollow porous polymer microsphere,
Walked with higher specific surface area, during the fresh-keeping coating of contact ethylene in substantial amounts of microballoon be able to it is fully anti-with potassium permanganate
Should, reaction efficiency and raw material availability are improved, can more efficiently remove ethene, so that ethylene concentration maintains very low water
It is flat, while the respiration of fruits and vegetables is not influenceed, therefore preservation effect is improved, extend preservation duration.
Secondly, methyl cyclopropene, chrome green, activated carbon and montmorillonite are added in adsorbent, and it is each by optimizing
The ratio of component further improves fresh-keeping effect.Methyl cyclopropene can be by competing ethylene receptor and then ethene suppressing with ethene
Synthesis and physiological action performance, add chrome green can then have with the oxidation Decomposition of catalysed promoted ethene, activated carbon
Outstanding physical absorption performance, montmorillonite have unique one-dimensional layered nano-structure, and it is born by the surface band of nano thickness
The silicate lamella of electricity, is packed together the earthy mineral of composition by the electrostatic interaction of interlayer, the crystalline substance in its crystal structure
Born of the same parents are made up of one layer of alumina octahedral of folder among two layers of silicon-oxy tetrahedron, have very strong adsorption capacity and good dispersiveness
Energy.Each component coordinated under special ratios, so as to can be further assured that the concentration of ethene is kept low, extend and protect
Fresh duration.
Further, the particular combination of the polyhydroxylated polymer of fungus resistant coating optimization has very strong water imbibition, is steamed in water
Gas can be adsorbed after being in contact with it, and after finite concentration is reached, because the reason for concentration difference, the back-diffusion into packaging, energy
Enough effective moisture losses for suppressing fruits and vegetables, improve fruits and vegetables preservation quality.
It is specific embodiment below.
Embodiment 1
In the coated on one side mildew resistant paint of corrugating medium to form fungus resistant coating, fungus resistant coating includes 78% water-absorbing resin
With 22% mould inhibitor, wherein water-absorbing resin is by 7% polyvinyl alcohol 1788,6% polyvinyl alcohol 2488 and 87% methacrylic acid
Methyl esters-butyl acrylate-acrylic acid copolymer composition, mould inhibitor is by 25% sodium ascorbate, 25% trichlamide and 50% card
Pine composition.
It is hollow porous in the ethanol solution of the hollow porous polymer microsphere of coated on one side of the corrugating medium away from fungus resistant coating
The material of polymer microballoon is acrylic acid esters co-polymer.Each component, which is weighed, according to following mass percent obtains adsorbent:It is high
Potassium manganate 62%, methyl cyclopropene 27%, chrome green 8%, activated carbon 2% and montmorillonite 1%.Adsorbent is mixed with water
Obtaining slurry, the mass percent concentration of adsorbent is 0.5%, in coated on one side slurry of the corrugating medium away from fungus resistant coating,
It is then placed in 20 DEG C of environment slowly dry 5 hours, places into baking oven and form fresh-keeping coating within dry 2 hours in 60 DEG C.Most
Paper, corrugating medium and corrugation facial tissue in corrugation are stacked gradually into fixation afterwards, produce anti-mildew fresh-keeping corrugated board, wherein fungus resistant coating
Thickness be 3 μm, the thickness of fresh-keeping coating is 3 μm.
Embodiment 2
In the coated on one side mildew resistant paint of corrugating medium to form fungus resistant coating, fungus resistant coating includes 78% water-absorbing resin
With 22% mould inhibitor, wherein water-absorbing resin is by 7% polyvinyl alcohol 1788,6% polyvinyl alcohol 2488 and 87% methacrylic acid
Methyl esters-butyl acrylate-acrylic acid copolymer composition, mould inhibitor is by 25% sodium ascorbate, 25% trichlamide and 50% card
Pine composition.
It is hollow porous in the ethanol solution of the hollow porous polymer microsphere of coated on one side of the corrugating medium away from fungus resistant coating
The material of polymer microballoon is acrylic acid esters co-polymer.Potassium permanganate is taken to be mixed to get slurry, the quality of potassium permanganate with water
Percent concentration is 0.5%, in coated on one side slurry of the corrugating medium away from fungus resistant coating, is then placed in 20 DEG C of environment and carries out
Slowly dry 5 hours, place into baking oven and form fresh-keeping coating within dry 2 hours in 60 DEG C.Finally by paper in corrugation, corrugating medium and
Corrugation facial tissue stacks gradually fixation, produces anti-mildew fresh-keeping corrugated board, and the wherein thickness of fungus resistant coating is 3 μm, fresh-keeping coating
Thickness is 3 μm.
Embodiment 3
In the coated on one side mildew resistant paint of corrugating medium to form fungus resistant coating, fungus resistant coating includes 78% water-absorbing resin
With 22% mould inhibitor, wherein water-absorbing resin is by 7% polyvinyl alcohol 1788,6% polyvinyl alcohol 2488 and 87% methacrylic acid
Methyl esters-butyl acrylate-acrylic acid copolymer composition, mould inhibitor is by 25% sodium ascorbate, 25% trichlamide and 50% card
Pine composition.
It is hollow porous in the ethanol solution of the hollow porous polymer microsphere of coated on one side of the corrugating medium away from fungus resistant coating
The material of polymer microballoon is acrylic acid esters co-polymer.Each component, which is weighed, according to following mass percent obtains adsorbent:It is high
Potassium manganate 30%, methyl cyclopropene 35%, chrome green 20%, activated carbon 8% and montmorillonite 7%.Adsorbent and water are mixed
Conjunction obtains slurry, and the mass percent concentration of adsorbent is 0.5%, in coated on one side slurry of the corrugating medium away from fungus resistant coating
Material, it is then placed in 20 DEG C of environment and slowly dry 5 hours, place into baking oven and form fresh-keeping coating within dry 2 hours in 60 DEG C.
Paper, corrugating medium and corrugation facial tissue in corrugation are finally stacked gradually into fixation, produce anti-mildew fresh-keeping corrugated board, wherein mould proof painting
The thickness of layer is 3 μm, and the thickness of fresh-keeping coating is 3 μm.
Embodiment 4
In the coated on one side mildew resistant paint of corrugating medium to form fungus resistant coating, fungus resistant coating includes 78% water-absorbing resin
With 22% mould inhibitor, wherein water-absorbing resin is by 13% polyvinyl alcohol 1788 and 87% ethylene-vinyl acetate analog copolymer group
Into mould inhibitor is made up of 25% sodium ascorbate, 25% trichlamide and 50% Kathon CG.
It is hollow porous in the ethanol solution of the hollow porous polymer microsphere of coated on one side of the corrugating medium away from fungus resistant coating
The material of polymer microballoon is acrylic acid esters co-polymer.Each component, which is weighed, according to following mass percent obtains adsorbent:It is high
Potassium manganate 62%, methyl cyclopropene 27%, chrome green 8%, activated carbon 2% and montmorillonite 1%.Adsorbent is mixed with water
Obtaining slurry, the mass percent concentration of adsorbent is 0.5%, in coated on one side slurry of the corrugating medium away from fungus resistant coating,
It is then placed in 20 DEG C of environment slowly dry 5 hours, places into baking oven and form fresh-keeping coating within dry 2 hours in 60 DEG C.Most
Paper, corrugating medium and corrugation facial tissue in corrugation are stacked gradually into fixation afterwards, produce anti-mildew fresh-keeping corrugated board, wherein fungus resistant coating
Thickness be 3 μm, the thickness of fresh-keeping coating is 3 μm.
Comparative example 1
In the coated on one side mildew resistant paint of corrugating medium to form fungus resistant coating, fungus resistant coating includes 78% water-absorbing resin
With 22% mould inhibitor, wherein water-absorbing resin is by 7% polyvinyl alcohol 1788,6% polyvinyl alcohol 2488 and 87% methacrylic acid
Methyl esters-butyl acrylate-acrylic acid copolymer composition, mould inhibitor is by 25% sodium ascorbate, 25% trichlamide and 50% card
Pine composition.
In coated on one side gelatine microsphere of the corrugating medium away from fungus resistant coating, potassium permanganate is then taken to be mixed to get slurry with water
Material, the mass percent concentration of potassium permanganate are 0.5%, in coated on one side slurry of the corrugating medium away from fungus resistant coating, then
It is put into 20 DEG C of environment slowly dry 5 hours, places into baking oven and form fresh-keeping coating within dry 2 hours in 60 DEG C.Then will
Paper, corrugating medium and corrugation facial tissue stack gradually fixation in corrugation, produce corrugated board, and the wherein thickness of fungus resistant coating is 3 μm,
The thickness of fresh-keeping coating is 3 μm.
Comparative example 2
In the coated on one side mildew resistant paint of corrugating medium to form fungus resistant coating, fungus resistant coating includes 78% water-absorbing resin
With 22% mould inhibitor, wherein water-absorbing resin is by 7% polyvinyl alcohol 1788,6% polyvinyl alcohol 2488 and 87% methacrylic acid
Methyl esters-butyl acrylate-acrylic acid copolymer composition, mould inhibitor is by 25% sodium ascorbate, 25% trichlamide and 50% card
Pine composition.
Each component, which is weighed, according to following mass percent obtains adsorbent:Potassium permanganate 62%, methyl cyclopropene 27%, three
Aoxidize two chromium 8%, activated carbon 2% and montmorillonite 1%.Adsorbent and water are mixed to get slurry, the mass percent of adsorbent
Concentration is 0.5%, in coated on one side slurry of the corrugating medium away from fungus resistant coating, is then placed in 20 DEG C of environment and is slowly done
Dry 5 hours, place into baking oven and form fresh-keeping coating within dry 2 hours in 60 DEG C.Then by paper, corrugating medium and corrugation face in corrugation
Paper stacks gradually fixation, produces corrugated board, and the wherein thickness of fungus resistant coating is 3 μm, and the thickness of fresh-keeping coating is 3 μm.
Comparative example 3
In the coated on one side mildew resistant paint of corrugating medium to form fungus resistant coating, fungus resistant coating includes 78% water-absorbing resin
With 22% mould inhibitor, wherein water-absorbing resin is by 7% polyvinyl alcohol 1788,6% polyvinyl alcohol 2488 and 87% methacrylic acid
Methyl esters-butyl acrylate-acrylic acid copolymer composition, mould inhibitor is by 25% sodium ascorbate, 25% trichlamide and 50% card
Pine composition.
It is hollow porous in the ethanol solution of the hollow porous polymer microsphere of coated on one side of the corrugating medium away from fungus resistant coating
The material of polymer microballoon is acrylic acid esters co-polymer.Each component, which is weighed, according to following mass percent obtains adsorbent:First
Cyclopropene 50%, chrome green 40%, activated carbon 8% and montmorillonite 2%.Adsorbent and water are mixed to get slurry, inhaled
Attached dose of mass percent concentration is 0.5%, in coated on one side slurry of the corrugating medium away from fungus resistant coating, is then placed in 20 DEG C
Environment slowly dry 5 hours, place into baking oven and dried in 60 DEG C and form fresh-keeping coating in 2 hours.Finally by paper in corrugation,
Corrugating medium and corrugation facial tissue stack gradually fixation, produce corrugated board, and the wherein thickness of fungus resistant coating is 3 μm, fresh-keeping coating
Thickness be 3 μm.
The uniform in size, no disease and pests harm of purchase is selected in the market, is had no mechanical damage and maturity similar in peach, make respectively
The corrugated board being prepared with embodiment 1~4 and comparative example 1~3 respectively packs 10 peaches, is stored under room temperature condition.7 days
Afterwards, the hardness average value of the peach of each embodiment and comparative example is detected using GY-B types fruit hardness meter.Storage is surveyed after 12 days
The average rotting rate of the peach of fixed each embodiment and comparative example, according to the mass percent of peach decayed portion, rotting rate is divided into 0
~5 grades, 0 grade be without rot, 1 grade be less than 20%, 2 grades be 20%~40%, 3 grades be 40%~60%, 4 grades be 60%~
80%, 5 grades are 80%~100%.In addition, measure storage 12 days after each embodiment and comparative example storage environment in ethene it is dense
Degree, and the weight-loss ratio of the peach of each embodiment and comparative example.
Hardness is one of important indicator for weighing peach fruit storage property and quality, and its size can characterize fruit substantially
Edibility, it is however generally that, high rigidity is advantageous to store.The flavor of acid content and fruit is closely related, is to influence taste of fruit product
The important indicator of matter.Testing result is as shown in table 1, it can be seen that compared with comparative example 1~3, is carried out the mould proof guarantor of example 1~4
The peach of fresh corrugated board packaging still has higher hardness after 7 days, and rotting rate is very low after 12 days, and in storage environment
Ethylene concentration it is considerably lower, weight-loss ratio is relatively low, and moisture loss is less, wherein the best results of embodiment 1.The present invention's is mould proof
The fungus resistant coating of preservative corrugated cardboard can suppress to pack the growth of interior mould, in the case where fruits and vegetables are without preceding processing,
It is not likely to produce and goes mouldy, fresh-keeping coating can more efficiently removes ethene, while not influence the respiration of fruits and vegetables, therefore improve guarantor
Effect is hidden, extends preservation duration.
Table 1
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope that this specification is recorded all is considered to be.
Embodiment described above only expresses the several embodiments of the present invention, and its description is more specific and detailed, but simultaneously
Can not therefore it be construed as limiting the scope of the patent.It should be pointed out that come for one of ordinary skill in the art
Say, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention
Scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
1. a kind of anti-mildew fresh-keeping corrugated board, it is characterised in that including paper, corrugating medium and corrugation face in the corrugation that stacks gradually
Paper, the one side of corrugating medium paper in the corrugation are provided with fungus resistant coating, and the corrugating medium is close to the corrugation face
The one side of paper is provided with fresh-keeping coating, and the fresh-keeping coating is made up of the hollow porous polymer microsphere for being loaded with adsorbent, described
Adsorbent includes potassium permanganate, and the adsorbent is at least partly carried on the inside of the hollow porous polymer microsphere.
2. anti-mildew fresh-keeping corrugated board according to claim 1, it is characterised in that the adsorbent also include montmorillonite,
Activated carbon, chrome green and methyl cyclopropene.
3. anti-mildew fresh-keeping corrugated board according to claim 2, it is characterised in that in the adsorbent, the permanganic acid
Potassium, the methyl cyclopropene, the chrome green, the activated carbon and the mass percent of the montmorillonite are respectively 55%
~65%, 20%~30%, 5%~10%, 1%~3% and 1%~3%.
4. anti-mildew fresh-keeping corrugated board according to claim 1, it is characterised in that the corrugation facial tissue is away from the corrugation
The one side of core paper is provided with decorative layer.
5. anti-mildew fresh-keeping corrugated board according to claim 1, it is characterised in that the fungus resistant coating includes following quality
The component of percentage:70%~90% water-absorbing resin and 10%~30% mould inhibitor.
6. anti-mildew fresh-keeping corrugated board according to claim 5, it is characterised in that the water-absorbing resin be selected from polyurethane,
Acrylic acid esters co-polymer, polyvinyl alcohol, ethylene-vinyl acetate analog copolymer, polyvinyl acetate copolymer, asphalt mixtures modified by epoxy resin
One or more in fat, polyester and its derivative.
7. anti-mildew fresh-keeping corrugated board according to claim 6, it is characterised in that the water-absorbing resin includes following quality
The component of percentage:10%~15% polyvinyl alcohol and 85%~90% acrylic acid esters co-polymer.
8. anti-mildew fresh-keeping corrugated board according to claim 7, it is characterised in that the acrylic acid esters co-polymer is selected from
Methyl methacrylate-ethyl acrylate-acrylic acid acrylate copolymer, methyl methacrylate-butyl acrylate-acrylic acid are common
One or more in polymers, methyl methacrylate-butyl acrylate-acrylic acid-N hydroxymethyl acrylamide copolymer.
9. anti-mildew fresh-keeping corrugated board according to claim 7, it is characterised in that the polyvinyl alcohol is selected from polyvinyl alcohol
1788th, the one or more in polyvinyl alcohol 2088 and polyvinyl alcohol 2488.
A kind of 10. preparation method of the anti-mildew fresh-keeping corrugated board described in any one of claim 1~9, it is characterised in that including
Following steps:
The fungus resistant coating is formed in the one side of the corrugating medium;
In the ethanol solution of the hollow porous polymer microsphere of coated on one side of the corrugating medium away from the fungus resistant coating, in institute
The slurry that coated on one side of the corrugating medium away from the fungus resistant coating is mixed to get by the adsorbent and water is stated, is formed after drying
The fresh-keeping coating;
By paper in the corrugation, there is the fungus resistant coating and the corrugating medium of the fresh-keeping coating and the corrugation facial tissue successively
Stacking is fixed, and obtains the anti-mildew fresh-keeping corrugated board.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711047144.2A CN107839326B (en) | 2017-10-31 | 2017-10-31 | Mildew-proof fresh-keeping corrugated board and preparation method thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711047144.2A CN107839326B (en) | 2017-10-31 | 2017-10-31 | Mildew-proof fresh-keeping corrugated board and preparation method thereof |
Publications (2)
Publication Number | Publication Date |
---|---|
CN107839326A true CN107839326A (en) | 2018-03-27 |
CN107839326B CN107839326B (en) | 2020-07-21 |
Family
ID=61681199
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201711047144.2A Active CN107839326B (en) | 2017-10-31 | 2017-10-31 | Mildew-proof fresh-keeping corrugated board and preparation method thereof |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN107839326B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108854961A (en) * | 2018-07-06 | 2018-11-23 | 东莞市万恩环保科技有限公司 | It is a kind of to have the indoor load type active carbon for removing formaldehyde and fungus and mildew resistance function |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN203793937U (en) * | 2013-12-25 | 2014-08-27 | 山西省农业科学院农产品贮藏保鲜研究所 | Preservative paper pad for fruit and vegetable storage and transportation at normal temperature |
CN106634129A (en) * | 2016-12-29 | 2017-05-10 | 常德市金润新材料科技有限公司无锡新材料研究院 | Mildewproof preservative film and preparation method thereof |
CN206358638U (en) * | 2016-12-07 | 2017-07-28 | 宁波和宝盛包装有限公司 | Preservative corrugated cardboard |
WO2017135433A1 (en) * | 2016-02-04 | 2017-08-10 | 川上 茂樹 | Functional film, functional container, and method for retaining freshness |
-
2017
- 2017-10-31 CN CN201711047144.2A patent/CN107839326B/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN203793937U (en) * | 2013-12-25 | 2014-08-27 | 山西省农业科学院农产品贮藏保鲜研究所 | Preservative paper pad for fruit and vegetable storage and transportation at normal temperature |
WO2017135433A1 (en) * | 2016-02-04 | 2017-08-10 | 川上 茂樹 | Functional film, functional container, and method for retaining freshness |
CN206358638U (en) * | 2016-12-07 | 2017-07-28 | 宁波和宝盛包装有限公司 | Preservative corrugated cardboard |
CN106634129A (en) * | 2016-12-29 | 2017-05-10 | 常德市金润新材料科技有限公司无锡新材料研究院 | Mildewproof preservative film and preparation method thereof |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108854961A (en) * | 2018-07-06 | 2018-11-23 | 东莞市万恩环保科技有限公司 | It is a kind of to have the indoor load type active carbon for removing formaldehyde and fungus and mildew resistance function |
CN108854961B (en) * | 2018-07-06 | 2021-07-02 | 东莞市万恩环保科技有限公司 | Load activated carbon with indoor formaldehyde removing, sterilizing and mildew preventing functions |
Also Published As
Publication number | Publication date |
---|---|
CN107839326B (en) | 2020-07-21 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN107183158B (en) | Fruit vegetables flowers card that keeps fresh with fresh-keeping function | |
CN101642161B (en) | Physical method for preserving freshness of waxberry fruits | |
CN104872276B (en) | A kind of agrocybe air regulating fresh-keeping method | |
CN106900838A (en) | A kind of combined refreshing method of control controlled atmosphere fruit vegetables sweating water | |
CN102422880B (en) | Slow-release preservative for fruits and vegetables and preparation method thereof | |
CN106305988A (en) | United fresh-keeping method for prolonging storage period of Xianghe colocasia esculenta | |
Bhat et al. | Advances in apple packaging: a review | |
Macnish et al. | Comparison of pallet cover systems to maintain strawberry fruit quality during transport | |
KR101297647B1 (en) | Packaging method for dried persimons | |
CN107839326A (en) | Anti-mildew fresh-keeping corrugated board and preparation method thereof | |
CN102415439A (en) | Method for preserving red date by coating | |
Thumula | Studies on storage behaviour of tomatoes coated with chitosan-lysozyme films | |
CN107804049A (en) | Preservative film and preparation method thereof | |
CN102885129B (en) | Pleurotus eryngii freshness retaining method | |
CN114158671B (en) | Fresh-keeping method for edible rose petals | |
CN107747252A (en) | Anti-mildew fresh-keeping coating paper and preparation method thereof | |
CN109247389A (en) | A kind of loquat nanometer interval high humidity method for storing and refreshing | |
CN109258800B (en) | Method for fresh-keeping, storing and transporting picked peaches | |
CN107905037A (en) | Anti-mildew fresh-keeping transfer paperboard and preparation method thereof | |
CN109169871A (en) | A kind of preservation method of lichee | |
CN110669262A (en) | Foam material and preparation method and application thereof | |
CN205240214U (en) | Fruit and vegetable preserving bag | |
CN108559326A (en) | Anti-mildew fresh-keeping film and preparation method thereof | |
CN108812869A (en) | A kind of oil tea mushroom air regulating fresh-keeping method | |
Kumari et al. | Edible Coating-To enhance shelf life and safety of fruits and vegetables |
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 | ||
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20230407 Address after: 415001 Room 1702, 17th Floor, Shuangchuang Building, No. 661 Taolin Road, Changde Economic and Technological Development Zone, Changde City, Hunan Province Patentee after: Changde Deyuan Investment Promotion Co.,Ltd. Address before: 415000 No.325 Deshan Avenue, Qingshan community, Deshan sub district office, Changde economic and Technological Development Zone, Hunan Province Patentee before: CHANGDE JINDE NEW MATERIAL TECHNOLOGY Co.,Ltd. |