CN104553204A - Coating type controlled-release grape preservation paper - Google Patents
Coating type controlled-release grape preservation paper Download PDFInfo
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- CN104553204A CN104553204A CN201510046299.9A CN201510046299A CN104553204A CN 104553204 A CN104553204 A CN 104553204A CN 201510046299 A CN201510046299 A CN 201510046299A CN 104553204 A CN104553204 A CN 104553204A
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- controlled release
- paper
- antistaling
- film
- layer
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- 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
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
-
- 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
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- 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)
- Wrappers (AREA)
- Packages (AREA)
Abstract
The invention discloses a coating type controlled-release grape preservation paper which is composed of a base material layer, a coating layer and a controlled-release covering layer, wherein the thickness of the base material layer is 10-150 microns; the coating layer is composed of an effective component of a preservative and a controlled-release coating assistant; the controlled-release covering layer adopts a film material, paper and a non-woven fabric material according to different requirements of the release speed of the effective components of the preservative; and the thickness of the controlled-release covering layer is 5-50 microns. The coating type preservation paper preservative disclosed by the invention disclosed by the invention is completely located in a coating layer between a preservation paper film base material and fabric; the thickness of the coating layer is only dozen microns to few tens microns; and the thickness of the complete preservation paper is only few tens microns, so that the preservation paper is excellent in commodity performance and is relatively easily accepted by consumers; the selection range of the permeability of the preservation paper is large; the adjusting and control range of preserving effective components is large; and the coating type controlled-release grape preservation paper can adapt to diverse requirements on the concentration of the preserving effective components required by grapes with relatively multiple varieties in storage, preservation, transportation and circulation.
Description
Technical field
The invention belongs to agricultural products fresh-keeping technical field, particularly a kind of application type controlled release antistaling paper for grapes.
Background technology
In the preservation and freshness and transportation fresh-retaining process of grape, adopt suitable anticorrosion and bactericidal agent to suppress the breeding of microorganism after grape harvest, reach and extend the Grape During Storage transport time limit and keep the object of the original local flavor of fruits and vegetables and freshness to be the important technique measure being applied to the fresh-keeping field of fruit and vegetable storage and transportation at present better.In recent years; along with the formation of the adjustment of wine-growing structure, compartmentalization and kind large-scale production pattern; interlocal fruits and vegetables mutually transport circulation, wrong season product supply and kind between adjustment define the world of grape product, domestic books circulation, grape product In transit fresh-keeping, become a key link in its circulation.According to statistics, due to the impact of transportation fresh-retaining factor, the loss caused in grape transportation is up to 15%--25%, therefore, how to improve grape transportation fresh-retaining technical merit as early as possible, adopt the preservation technique means of more advanced science, the loss of the quantity and quality that reduce grape product has to greatest extent become the task of top priority of current fruit Grape During Storage and logical industry development.The emphasis of the scientific worker of domestic and international fresh-keeping research field progressively fresh-keeping research is fresh-keeping to dynamic fresh-keeping transfer from static state.
Dynamically fresh-keeping with traditional static state in grape transportation is fresh-keeping larger difference, the static fresh-keeping preservation and freshness condition that there are comparatively stable temperature, gas, humidity etc. in fixing preservation and freshness environment and be suitable for, fruit and vegetable food freshness date is longer, its original local flavor and quality can be kept better, and fruit and vegetable food in transportation due to the restriction of traffic condition and the impact of extraneous factor, be difficult to reach the static fresh-keeping that suitable preservation and freshness condition had, freshness date and fresh-keeping effect all have larger difference with static state is fresh-keeping.With regard to antistaling agent, apply in preservation process, just require that it adopts more controlled release technologies measure to have the scope of application more widely, to meet the requirement under the different storage environments of grape and different transportation fresh-retaining condition.
Tin foil is one of a kind of antisepsis antistaling agent formulation and mode that grape product the most generally adopts in fresh-keeping of vegetables and transportation fresh-retaining process, for single bag antistaling agent for grape (its main component is sodium pyrosulfite) of main employing in the market, antistaling paper for grapes profile neat appearance, commodity better performances, to the another kind decoration packaging that the overall impression of consumer is grape product, because antistaling agent that tin foil is wherein contained is positioned at the pouch-type grid of the non-heat sealed portion of tin foil plane, be hidden in the centre of composite paper-plastic material and body paper, eliminate consumer to a certain extent to the doubt adding chemical agent, since this product self-application, receive the common accreditation of operator and consumer, it is a kind of antistaling agent use formulation compared with tool development prospect.
But also summarize three aspects needing to improve through use in recent years, an antistaling agent particle be present in the pouch-type grid of the non-heat sealed portion of tin foil examines or is easily found, and tear pouch-type grid and also have antistaling agent particle and spill.Two be the release of whole the fresh-keeping active ingredient of tin foil is only discharged by the pouch-type grid part of the non-heat sealed portion of tin foil, the heat sealed portion accounting for tin foil area major part then can not discharge fresh-keeping active ingredient, can say, the release of whole tin foil is not uniform especially, the too high situation of local dose is there will be, the commodity performance of impact storage and the fresh-keeping grape product that circulates relative to the grape variety of part to antistaling agent active ingredient sensitivity.Three is that the rate of release of fresh-keeping active ingredient mainly realizes by the formula of antistaling agent in pouch-type grid, the multiple film paper of encapsulating material of tin foil is then less to the release ability of regulation and control of fresh-keeping active ingredient, can not adapt to the grape of more multi items at preservation and freshness and the fresh-keeping diversified demand to fresh-keeping active ingredient concentration of transport circulation.
Summary of the invention
For above situation, the present invention spy proposes a kind of application type controlled release antistaling paper for grapes, improve the deficiency of original grid pouch-type tin foil, application type controlled release antistaling paper for grapes disclosed by the invention, its principle is, antistaling agent active ingredient and sustained release agent, forming agent etc. are processed into coating fluid, is coated on film substrate surface equably, then according to the difference of service condition, then cover the material of the different permeability of one deck thereon and become three-decker type application type tin foil.
For realizing this object, the invention provides following technical scheme:
A kind of application type controlled release antistaling paper for grapes, is characterized in that it is made up of substrate layer, coating layer and controlled release tectum structure; Substrate layer thickness is 10-150 micron, preferably 25 microns, and coating layer is made up of by auxiliary agent antistaling agent active ingredient and controlled release bag; Controlled release cover layer requires to select thin-film material, paper and nonwoven cloth material according to the difference of antistaling agent active ingredient rate of release, and the tectal thickness of controlled release is 5-50 micron.
Application type controlled release antistaling paper for grapes of the present invention, wherein substrate layer is bidirectional stretching polypropylene film, polyethylene film, polyvinyl chloride film, polyvinylidene chloride film, polycarbonate film, polyester film or Kapton, paper, and the thickness of substrate layer is 10-150 micron.
Application type controlled release antistaling paper for grapes of the present invention, wherein said antistaling agent active ingredient refer to sodium pyrosulfite, potassium metabisulfite, sodium hydrogensulfite, potassium bisulfite, sodium sulfite, potassium sulfite, 2-butylamine sulfate, chlorine dioxide, benzoic acid, phytic acid one or more, the content of antistaling agent active ingredient in coating layer is 30-70%(w/w); Controlled release bag is referred to by auxiliary agent: emulsified wax, rosin, gelatin, starch, polypropene pressure sensitive adhesive, paraffin, stearic one or more, controlled release bag is 30-70%(w/w by the content of auxiliary agent in coating layer); Coating layer adopts melt coating liquid or dissolves coating fluid, is coated with forms by Special coating equipment.
Application type controlled release antistaling paper for grapes of the present invention, wherein thin-film material is bidirectional stretching polypropylene film, polyethylene film, polycarbonate film, polyester film or Kapton, and the tectal thickness of controlled release is 5-45 micron; Paper selects wood pulp paper, rag paper, wood grass mixing slurry paper and candy wrapper, and institute's paper using quantitative target is 28-100g/m
2; Polypropylene nonwoven type non-woven fabrics selected by non-woven fabrics, and quantitative target is 10-50g/m
2.
The present invention further discloses application type controlled release antistaling paper for grapes as antistaling agent for Grape During Storage fresh-keeping and transport circulation fresh-keeping in application.
The results show: application type controlled release antistaling paper for grapes, according to the actual conditions in different grape variety and the place of production and application type controlled release antistaling paper for grapes corresponding to the requirement of various storage period design, makes grape product without putrefaction in storage area, do not bleach.
The controlled release of application type controlled release antistaling paper for grapes of the present invention realizes by the following aspects:
1, the kind regulation and control of antistaling agent active ingredient, for the sulfur dioxide class sulphite antistaling agent for grape generally adopted, sylvite compounds content of sulfur dioxide is lower, simultaneously, rate of release is lower, and the lasting period is longer, and sodium salt compounds then shows contrary rule; On the other hand, when metal ion is identical, all kinds of sulphite rate of release then has following rule: pyrosulfite > bisulfites > sulphite.2-butylamine sulfate and chlorine dioxide are the antisepsis antistaling agent active ingredient of another type, for expanding fungicidal spectrum, improve fresh-keeping effect.Benzoic acid, phytic acid are solid organic acid, and for changing the acid-base value of antistaling agent release environment to regulate the rate of release of antistaling agent, its Rule adjusting is that acidity is higher, and rate of release is faster; Benzoic acid, phytic acid itself also have certain bactericidal effect simultaneously.Antistaling agent active ingredient is higher at the content of fresh-keeping oxidant layer, and its rate of release is faster.
2, controlled release bag can be emulsified wax, rosin, gelatin, starch, polyacrylate pressure-sensitive, paraffin, stearic acid by auxiliary agent, above-mentioned several bag can be controlled the rate of release of antistaling agent active ingredient by auxiliary agent by compactness and acidity according to its bag, wrap higher by the compactness of auxiliary agent, rate of release is slower; Wrap higher by the acidity of auxiliary agent, rate of release is faster.All kinds of bag is controlled antistaling agent active ingredient rate of release by auxiliary agent by fast extremely slow order is: polyacrylate pressure-sensitive > rosin > stearic acid > starch > gelatin > emulsified wax > paraffin.Controlled release bag is higher at the content of fresh-keeping oxidant layer by auxiliary agent, and its rate of release is faster.
3, substrate layer is for carrying the fresh-keeping oxidant layer of coating, require to be to the good built up membrane material of water barrier, it is better to water barrier, the rate of release of antistaling agent release is slower, according to the requirement of the fresh-keeping characteristic of Grape During Storage, indivedual grape variety also requires to discharge micro-antistaling agent active ingredient by barrier layer.Barrier layer adopt synthesis film polarity higher, it is poorer to water barrier, the rate of release of antistaling agent release is faster, so, various built up membrane substrate layer antistaling agent releasability sequence of the present invention is: polyvinyl chloride film > polyester film > polycarbonate film > Kapton > polyethylene film polypropylene film > polyvinylidene chloride film, simultaneously, the thickness of substrate layer is less, and the releasability of its antistaling agent is stronger.
4, controlled release cover layer is the main path of antistaling agent Co ntrolled release of the present invention, its principle is the basic law starting release according to antistaling agent active ingredient water, utilize controlled release cover layer hydrone through the difference of ability, the amount controlling to arrive antistaling agent layer liquid water and steam regulates and controls antistaling agent active ingredient rate of release, controlled release cover layer is according to different requirement, can select thin-film material, paper and nonwoven cloth material, the antistaling agent rate of release sequence of three class materials is: non-woven fabrics > paper > thin-film material.Non-woven fabrics is polypropylene nonwoven type non-woven fabrics, and quantitative target is 10-50g/m
2, because non-woven fabrics water penetration is fabulous, its antistaling agent rate of release and quantitative target have nothing to do; Paper can select wood pulp paper, rag paper, wood grass mixing slurry paper and candy wrapper etc., and institute's paper using quantitative target is 28-100g/m
2, the sequence of antistaling agent rate of release is: rag paper > wood pulp paper > wood grass mixing slurry paper > candy wrapper, and paper quantitative target value is less, and the releasability of its antistaling agent is stronger; Thin-film material is bidirectional stretching polypropylene film, polyvinyl chloride film, polyethylene film, polycarbonate film, polyester film, Kapton etc., and the thickness of controlled release covering layer film is 5-50 micron; Adopt synthesis film polarity higher, it is poorer to water barrier, the rate of release of antistaling agent release is faster, so, various built up membrane substrate layer antistaling agent releasability sequence of the present invention is: polyvinyl chloride film > polyester film > polycarbonate film > Kapton > polyethylene film > biaxially oriented film polypropylene film, simultaneously, the thickness of thin-film material is less, and the releasability of its antistaling agent is stronger.
Production controlled release antistaling paper for grapes prepared by the present invention, can according to different grape variety, quality index, place of production factor, the storage period requirement such as length, determine the contamination of active ingredient, wrap and released tectal kind and parameter by auxiliary agent contamination, substrate layer and controlled release, to meet the needs of Grape During Storage.
It is as follows that controlled release prepared by the present invention puts its finished product detection index of antistaling paper for grapes:
Application type tin foil of the present invention also has following three features:
One, in the coating layer of the antistaling agent of whole tin foil all between tin foil film substrate and plane materiel, the thickness of coating layer only has ten a few to tens of microns, whole tin foil thickness is also tens micron thickness, from the appearance namely a piece of paper moulds composite membrane or composite plastic film, commodity performance is splendid, is more easily esthetically acceptable to the consumers.
Two, the release of the fresh-keeping active ingredient of tin foil is only come by the entire area of whole tin foil, there is not invalid release area in whole tin foil, the release of whole tin foil can ensure it is very uniform, particularly relative to the situation that the grape variety of part to antistaling agent active ingredient sensitivity there will not be local dose too high certainly, very favourable to the commodity performance improving storage and the fresh-keeping grape product that circulates.
Three, the rate of release of fresh-keeping active ingredient is except leaning on the formula of antistaling agent in coating layer and realizing, tin foil surface coating material is not owing to being heat-sealing processing, so, the scope that its permeability is selected is very large, very wide to the rate of release modification scope of fresh-keeping active ingredient, more can adapt to the grape of more multi items at preservation and freshness and the fresh-keeping diversified demand to fresh-keeping active ingredient concentration of transport circulation.
Accompanying drawing illustrates:
Fig. 1 is the structural representation of application type controlled release antistaling paper for grapes; Wherein 1 is substrate layer; 2 is middle coating layer; 3 is uppermost controlled release cover layer.
Detailed description of the invention
For ensureing that above and other objects of the present invention feature and advantage become apparent, below especially exemplified by preferred embodiment, and in conjunction with instantiation, the present invention is described in further detail.Reagent used by the present invention is by commercially available.
embodiment
1
A kind of application type controlled release antistaling paper for grapes, this application type controlled release antistaling paper for grapes is made up of three-decker, is substrate layer respectively, coating layer and controlled release release cover layer.
Substrate layer is for carrying the fresh-keeping oxidant layer of coating, and must be the good synthetic material membrane of barrier, the present embodiment selects bidirectional stretching polypropylene film, and the thickness of base material film is 25 microns.
Coating layer is made up of by auxiliary agent antistaling agent active ingredient and controlled release bag.Antistaling agent active ingredient the present embodiment selects sodium pyrosulfite, and the content of antistaling agent active ingredient in coating layer is 55%; Controlled release bag is selected rosin by auxiliary agent the present embodiment, and controlled release bag is 45% by the content of auxiliary agent in coating layer; Coating layer adopts melt coating liquid, is coated with forms by Special coating equipment.
Controlled release cover layer requires to select thin-film material, paper and nonwoven cloth material according to the difference of antistaling agent active ingredient rate of release, and the present embodiment selects thin-film material to be polyethylene film, and the thickness of controlled release covering layer film is 12 microns.
The application type controlled release antistaling paper for grapes that the present embodiment is made can be used for preservation and freshness and the transportation fresh-retaining of the grape variety of resistance to sulfur dioxide.
embodiment
2
A kind of application type controlled release antistaling paper for grapes, this application type controlled release antistaling paper for grapes is made up of three-decker, is substrate layer, coating layer and controlled release cover layer respectively.
Substrate layer is for carrying the fresh-keeping oxidant layer of coating, and must be the good synthetic material membrane of barrier, the present embodiment selects bidirectional stretching polypropylene film, and the thickness of base material film is 10 microns.
Coating layer is made up of by auxiliary agent antistaling agent active ingredient and controlled release bag.Antistaling agent active ingredient the present embodiment selects potassium metabisulfite, and the content of antistaling agent active ingredient in coating layer is 45%; Controlled release bag is selected starch by auxiliary agent the present embodiment, and controlled release bag is 55% by the content of auxiliary agent in coating layer; Coating layer adopts and dissolves coating fluid, is coated with forms by Special coating equipment.
Controlled release cover layer requires to select thin-film material, paper and nonwoven cloth material according to the difference of antistaling agent active ingredient rate of release, and the present embodiment selects thin-film material to be wood pulp paper, and the quantitative target of controlled release cover layer paper is 35g/m
2.
The application type controlled release antistaling paper for grapes that the present embodiment is made can be used for preservation and freshness and the transportation fresh-retaining of the not grape variety of resistance to sulfur dioxide.
embodiment
3
A kind of application type controlled release antistaling paper for grapes, this application type controlled release antistaling paper for grapes is made up of three-decker, is substrate layer, coating layer and controlled release controlled release cover layer respectively.
Substrate layer is for carrying the fresh-keeping oxidant layer of coating, and must be the good synthetic material membrane of barrier, the present embodiment selects bidirectional stretching polypropylene film, and the thickness of base material film is 25 microns.
Coating layer is made up of by auxiliary agent antistaling agent active ingredient and controlled release bag.Antistaling agent active ingredient the present embodiment selects sodium pyrosulfite and 2-butylamine sulfate, and the content of antistaling agent active ingredient in coating layer is 55%; Controlled release bag is selected starch by auxiliary agent the present embodiment, and controlled release bag is 45% by the content of auxiliary agent in coating layer; Coating layer adopts and dissolves coating fluid, is coated with forms by Special coating equipment.
Controlled release cover layer requires to select thin-film material, paper and nonwoven cloth material according to the difference of antistaling agent active ingredient rate of release, and the present embodiment selects thin-film material to be wood pulp paper, and the quantitative target of controlled release cover layer paper is 35g/m
2.
The long-term storage that the application type controlled release antistaling paper for grapes that the present embodiment is made can be used for the grape variety of resistance to sulfur dioxide is fresh-keeping.
embodiment
4
A kind of application type controlled release antistaling paper for grapes, this application type controlled release antistaling paper for grapes is made up of three-decker, is substrate layer, coating layer and controlled release controlled release cover layer respectively.
Substrate layer is for carrying the fresh-keeping oxidant layer of coating, and must be the good synthetic material membrane of barrier, the present embodiment selects bidirectional stretching polypropylene film, and the thickness of base material film is 10 microns.
Coating layer is made up of by auxiliary agent antistaling agent active ingredient and controlled release bag.Antistaling agent active ingredient the present embodiment selects potassium metabisulfite and chlorine dioxide, and the content of antistaling agent active ingredient in coating layer is 55%; Controlled release bag is selected rosin by auxiliary agent the present embodiment, and controlled release bag is 45% by the content of auxiliary agent in coating layer; Coating layer adopts and dissolves coating fluid, is coated with forms by Special coating equipment.
Controlled release cover layer requires to select thin-film material, paper and nonwoven cloth material according to the difference of antistaling agent active ingredient rate of release, and the present embodiment selects thin-film material to be wood pulp paper, and the quantitative target of controlled release cover layer paper is 35g/m
2.
The long-term storage that the application type controlled release antistaling paper for grapes that the present embodiment is made can be used for the not grape variety of resistance to sulfur dioxide is fresh-keeping, and the Grape During Storage being particularly useful for adopting front disease heavier is fresh-keeping.
embodiment
5
A kind of application type controlled release antistaling paper for grapes, this application type controlled release antistaling paper for grapes is made up of three-decker, is substrate layer, coating layer and controlled release respectively.
Substrate layer is for carrying the fresh-keeping oxidant layer of coating, and must be the good synthetic material membrane of barrier, the present embodiment selects bidirectional stretching polypropylene film, and the thickness of base material film is 150 microns.
Coating layer is made up of by auxiliary agent antistaling agent active ingredient and controlled release bag.Antistaling agent active ingredient the present embodiment selects sodium pyrosulfite, and the content of antistaling agent active ingredient in coating layer is 35%; Controlled release bag is selected rosin by auxiliary agent the present embodiment, and controlled release bag is 65% by the content of auxiliary agent in coating layer; Coating layer adopts melt coating liquid, is coated with forms by Special coating equipment.
Controlled release cover layer requires to select thin-film material, paper and nonwoven cloth material according to the difference of antistaling agent active ingredient rate of release, and the present embodiment selects thin-film material to be polyethylene film, and the thickness of controlled release covering layer film is 12 microns.
The application type controlled release antistaling paper for grapes that the present embodiment is made can be used for the preservation and freshness of the grape variety of resistance to sulfur dioxide.
embodiment
6
A kind of application type controlled release antistaling paper for grapes, this application type controlled release antistaling paper for grapes is made up of three-decker, is substrate layer respectively, coating layer and controlled release release cover layer.
Substrate layer is for carrying the fresh-keeping oxidant layer of coating, and must be the good synthetic material membrane of barrier, the present embodiment selects bidirectional stretching polypropylene film, and the thickness of base material film is 60 microns.
Coating layer is made up of by auxiliary agent antistaling agent active ingredient and controlled release bag.Antistaling agent active ingredient the present embodiment selects sodium pyrosulfite, and the content of antistaling agent active ingredient in coating layer is 70%; Controlled release bag is selected rosin by auxiliary agent the present embodiment, and controlled release bag is 30% by the content of auxiliary agent in coating layer; Coating layer adopts melt coating liquid, is coated with forms by Special coating equipment.
Controlled release cover layer requires to select thin-film material, paper and nonwoven cloth material according to the difference of antistaling agent active ingredient rate of release, and the present embodiment selects thin-film material to be polyethylene film, and the thickness of controlled release covering layer film is 50 microns.
The application type controlled release antistaling paper for grapes that the present embodiment is made can be used for the transportation fresh-retaining of the grape variety of resistance to sulfur dioxide.
embodiment
7
A kind of application type controlled release antistaling paper for grapes, this application type controlled release antistaling paper for grapes is made up of three-decker, is substrate layer respectively, coating layer and controlled release release cover layer.
Substrate layer is for carrying the fresh-keeping oxidant layer of coating, and must be the good synthetic material membrane of barrier, the present embodiment selects bidirectional stretching polypropylene film, and the thickness of base material film is 10 microns.
Coating layer is made up of by auxiliary agent antistaling agent active ingredient and controlled release bag.Antistaling agent active ingredient the present embodiment selects sodium pyrosulfite, and the content of antistaling agent active ingredient in coating layer is 55%; Controlled release bag is selected starch by auxiliary agent the present embodiment, and controlled release bag is 45% by the content of auxiliary agent in coating layer; Coating layer adopts and dissolves coating fluid, is coated with forms by Special coating equipment.
Controlled release cover layer requires to select thin-film material, paper and nonwoven cloth material according to the difference of antistaling agent active ingredient rate of release, and the present embodiment selects thin-film material to be polyethylene film, and the thickness of controlled release covering layer film is 10 microns.
The application type controlled release antistaling paper for grapes that the present embodiment is made can be used for the grape variety of resistance to sulfur dioxide and short-distance transport is fresh-keeping.
embodiment
8
A kind of application type controlled release antistaling paper for grapes, this application type controlled release antistaling paper for grapes is made up of three-decker, is substrate layer respectively, coating layer and controlled release release cover layer.
Substrate layer is for carrying the fresh-keeping oxidant layer of coating, and must be the good synthetic material membrane of barrier, the present embodiment selects polyester film, and the thickness of base material film is 25 microns.
Coating layer is made up of by auxiliary agent antistaling agent active ingredient and controlled release bag.Antistaling agent active ingredient the present embodiment selects sodium pyrosulfite, and the content of antistaling agent active ingredient in coating layer is 55%; Controlled release bag is selected gelatin by auxiliary agent the present embodiment, and controlled release bag is 45% by the content of auxiliary agent in coating layer; Coating layer adopts and dissolves coating fluid, is coated with forms by Special coating equipment.
Controlled release cover layer requires to select thin-film material, paper and nonwoven cloth material according to the difference of antistaling agent active ingredient rate of release, and the present embodiment selects thin-film material to be polyethylene film, and the thickness of controlled release covering layer film is 12 microns.
The application type controlled release antistaling paper for grapes that the present embodiment is made can be used for the preservation and freshness of the not grape variety of resistance to sulfur dioxide.
embodiment
9
A kind of application type controlled release antistaling paper for grapes, this application type controlled release antistaling paper for grapes is made up of three-decker, is substrate layer respectively, coating layer and controlled release release cover layer.
Substrate layer is for carrying the fresh-keeping oxidant layer of coating, and must be the good synthetic material membrane of barrier, the present embodiment selects bidirectional stretching polypropylene film, and the thickness of base material film is 25 microns.
Coating layer is made up of by auxiliary agent antistaling agent active ingredient and controlled release bag.Antistaling agent active ingredient the present embodiment selects sodium pyrosulfite, and the content of antistaling agent active ingredient in coating layer is 30%; Controlled release bag is selected rosin and paraffin by auxiliary agent the present embodiment, and ratio is: Song Xiang ︰ paraffin=2 ︰ 1, and controlled release bag is 70% by the content of auxiliary agent in coating layer; Coating layer adopts melt coating liquid, is coated with forms by Special coating equipment.
Controlled release cover layer requires to select thin-film material, paper and nonwoven cloth material according to the difference of antistaling agent active ingredient rate of release, and the present embodiment selects thin-film material to be polyethylene film, and the thickness of controlled release covering layer film is 50 microns.
The long-term storage that the application type controlled release antistaling paper for grapes that the present embodiment is made can be used for the not grape variety of resistance to sulfur dioxide is fresh-keeping.
embodiment
10
A kind of application type controlled release antistaling paper for grapes, this application type controlled release antistaling paper for grapes is made up of three-decker, is substrate layer respectively, coating layer and controlled release release cover layer.
Substrate layer is for carrying the fresh-keeping oxidant layer of coating, and must be the good synthetic material membrane of barrier, the present embodiment selects polyvinyl chloride film, and the thickness of base material film is 40 microns.
Coating layer is made up of by auxiliary agent antistaling agent active ingredient and controlled release bag.Antistaling agent active ingredient the present embodiment selects sodium pyrosulfite and potassium sulfite ratio to be: Jiao Ya Liu Suan Na ︰ potassium sulfite=2 ︰ 1, and the content of antistaling agent active ingredient in coating layer is 55%; Controlled release bag is selected gelatin and starch by auxiliary agent the present embodiment, and controlled release bag is 45% by the content of auxiliary agent in coating layer; Coating layer adopts and dissolves coating fluid, is coated with forms by Special coating equipment.
Controlled release cover layer requires to select thin-film material, paper and nonwoven cloth material according to the difference of antistaling agent active ingredient rate of release, and the present embodiment selects thin-film material to be polyethylene film, and the thickness of controlled release covering layer film is 20 microns.
The application type controlled release antistaling paper for grapes that the present embodiment is made can be used for the preservation and freshness of the grape variety of resistance to sulfur dioxide.
embodiment
11
A kind of application type controlled release antistaling paper for grapes, this application type controlled release antistaling paper for grapes is made up of three-decker, is substrate layer respectively, coating layer and controlled release release cover layer.
Substrate layer is for carrying the fresh-keeping oxidant layer of coating, and must be the good synthetic material membrane of barrier, the present embodiment selects bidirectional stretching polypropylene film, and the thickness of base material film is 25 microns.
Coating layer is made up of by auxiliary agent antistaling agent active ingredient and controlled release bag.Antistaling agent active ingredient the present embodiment selects sodium pyrosulfite, and the content of antistaling agent active ingredient in coating layer is 65%; Controlled release bag is selected polyacrylate pressure-sensitive by auxiliary agent the present embodiment, and controlled release bag is 35% by the content of auxiliary agent in coating layer; Coating layer adopts and dissolves coating fluid, is coated with forms by Special coating equipment.
Controlled release cover layer requires to select thin-film material, paper and nonwoven cloth material according to the difference of antistaling agent active ingredient rate of release, and the present embodiment selects thin-film material to be polyethylene film, and the thickness of controlled release covering layer film is 12 microns.
The application type controlled release antistaling paper for grapes that the present embodiment is made can be used for the short-term transportation fresh-retaining of the grape variety of resistance to sulfur dioxide.
embodiment
12
A kind of application type controlled release antistaling paper for grapes, this application type controlled release antistaling paper for grapes is made up of three-decker, is substrate layer respectively, coating layer and controlled release release cover layer.
Substrate layer is for carrying the fresh-keeping oxidant layer of coating, and must be the good synthetic material membrane of barrier, the present embodiment selects bidirectional stretching polypropylene film, and the thickness of base material film is 25 microns.
Coating layer is made up of by auxiliary agent antistaling agent active ingredient and controlled release bag.Antistaling agent active ingredient the present embodiment selects sodium pyrosulfite, and the content of antistaling agent active ingredient in coating layer is 35%; Controlled release bag is selected emulsified wax by auxiliary agent the present embodiment, and controlled release bag is 65% by the content of auxiliary agent in coating layer; Coating layer adopts and dissolves coating fluid, is coated with forms by Special coating equipment.
Controlled release cover layer requires to select thin-film material, paper and nonwoven cloth material according to the difference of antistaling agent active ingredient rate of release, and the present embodiment selects thin-film material to be polyethylene film, and the thickness of controlled release covering layer film is 12 microns.
The long-term storage that the application type controlled release antistaling paper for grapes that the present embodiment is made can be used for the not grape variety of resistance to sulfur dioxide is fresh-keeping.
embodiment
13
A kind of application type controlled release antistaling paper for grapes, this application type controlled release antistaling paper for grapes is made up of two-layer structure, is substrate layer, coating layer respectively, releases cover layer without controlled release.
The present embodiment selects paper, and the thickness of substrate paper is 100 microns.
Coating layer is made up of by auxiliary agent antistaling agent active ingredient and controlled release bag.Antistaling agent active ingredient the present embodiment selects sodium pyrosulfite, and the content of antistaling agent active ingredient in coating layer is 55%; Controlled release bag is selected rosin and gelatin by auxiliary agent the present embodiment, and ratio is: Song Xiang ︰ gelatin=2 ︰ 1, and controlled release bag is 45% by the content of auxiliary agent in coating layer; Coating layer adopts melt coating liquid, is coated with forms by Special coating equipment.
The short term storage that the application type controlled release antistaling paper for grapes that the present embodiment is made can be used for the grape variety of resistance to sulfur dioxide is fresh-keeping.
embodiment
14
A kind of application type controlled release antistaling paper for grapes, this application type controlled release antistaling paper for grapes is made up of three-decker, is substrate layer respectively, coating layer and controlled release release cover layer.
Substrate layer is for carrying the fresh-keeping oxidant layer of coating, and must be the good synthetic material membrane of barrier, the present embodiment selects bidirectional stretching polypropylene film, and the thickness of base material film is 40 microns.
Coating layer is made up of by auxiliary agent antistaling agent active ingredient and controlled release bag.Antistaling agent active ingredient the present embodiment selects sodium pyrosulfite and sodium hydrogensulfite, and ratio is: Jiao Ya Liu Suan Na ︰ sodium hydrogensulfite=2 ︰ 1, and the content of antistaling agent active ingredient in coating layer is 55%; Controlled release bag is selected gelatin and starch by auxiliary agent the present embodiment, and ratio is: Ming Jiao ︰ starch=2 ︰ 1, and controlled release bag is 45% by the content of auxiliary agent in coating layer; Coating layer adopts and dissolves coating fluid, is coated with forms by Special coating equipment.
Controlled release cover layer requires to select thin-film material, paper and nonwoven cloth material according to the difference of antistaling agent active ingredient rate of release, and the present embodiment selects thin-film material to be polyvinyl chloride film, and the thickness of controlled release covering layer film is 5 microns.
The application type controlled release antistaling paper for grapes that the present embodiment is made can be used for the preservation and freshness of the not grape variety of resistance to sulfur dioxide.
embodiment
15
A kind of application type controlled release antistaling paper for grapes, this application type controlled release antistaling paper for grapes is made up of three-decker, is substrate layer respectively, coating layer and controlled release release cover layer.
Substrate layer is for carrying the fresh-keeping oxidant layer of coating, and must be the good synthetic material membrane of barrier, the present embodiment selects bidirectional stretching polypropylene film, and the thickness of base material film is 25 microns.
Coating layer is made up of by auxiliary agent antistaling agent active ingredient and controlled release bag.Antistaling agent active ingredient the present embodiment selects sodium pyrosulfite, and the content of antistaling agent active ingredient in coating layer is 55%; Controlled release bag is selected gelatin and starch by auxiliary agent the present embodiment, and controlled release bag is 45% by the content of auxiliary agent in coating layer; Coating layer adopts and dissolves coating fluid, is coated with forms by Special coating equipment.
Controlled release cover layer requires to select thin-film material, paper and nonwoven cloth material according to the difference of antistaling agent active ingredient rate of release, and the present embodiment selects thin-film material to be non-woven fabrics, and controlled release is tectal is quantitatively 20 g/m
2.
The application type controlled release antistaling paper for grapes made of the present embodiment can with the short term storage packing greatly the grape variety of resistance to sulfur dioxide fresh-keeping and transportation fresh-retaining.
embodiment
16
A kind of application type controlled release antistaling paper for grapes, this application type controlled release antistaling paper for grapes is made up of three-decker, is substrate layer respectively, coating layer and controlled release release cover layer.
Substrate layer is for carrying the fresh-keeping oxidant layer of coating, and must be the good synthetic material membrane of barrier, the present embodiment selects bidirectional stretching polypropylene film, and the thickness of base material film is 25 microns.
Coating layer is made up of by auxiliary agent antistaling agent active ingredient and controlled release bag.Antistaling agent active ingredient the present embodiment selects sodium pyrosulfite, and the content of antistaling agent active ingredient in coating layer is 55%; Controlled release bag is selected gelatin and starch by auxiliary agent the present embodiment, and controlled release bag is 45% by the content of auxiliary agent in coating layer; Coating layer adopts and dissolves coating fluid, is coated with forms by Special coating equipment.
Controlled release cover layer requires to select thin-film material, paper and nonwoven cloth material according to the difference of antistaling agent active ingredient rate of release, and the present embodiment selects thin-film material to be rag paper, and controlled release is tectal is quantitatively 28 g/m
2.
The short term storage that the application type controlled release antistaling paper for grapes that the present embodiment is made can be used for packing greatly the grape variety of resistance to sulfur dioxide is fresh-keeping.
embodiment
17
A kind of application type controlled release antistaling paper for grapes, this application type controlled release antistaling paper for grapes is made up of three-decker, is substrate layer respectively, coating layer and controlled release release cover layer.
Substrate layer is for carrying the fresh-keeping oxidant layer of coating, and must be the good synthetic material membrane of barrier, the present embodiment selects polycarbonate film, and the thickness of base material film is 25 microns.
Coating layer is made up of by auxiliary agent antistaling agent active ingredient and controlled release bag.Antistaling agent active ingredient the present embodiment selects sodium pyrosulfite, and the content of antistaling agent active ingredient in coating layer is 55%; Controlled release bag is selected gelatin and starch by auxiliary agent the present embodiment, and controlled release bag is 45% by the content of auxiliary agent in coating layer; Coating layer adopts and dissolves coating fluid, is coated with forms by Special coating equipment.
Controlled release cover layer requires to select thin-film material, paper and nonwoven cloth material according to the difference of antistaling agent active ingredient rate of release, and the present embodiment selects thin-film material to be candy wrapper, and controlled release is tectal is quantitatively 30 g/m
2.
The application type controlled release antistaling paper for grapes that the present embodiment is made can be used for large preservation and freshness and the transportation fresh-retaining of packing the not grape variety of resistance to sulfur dioxide.
Embodiment 18
Comparative test:
Conclusion:
(1) application type controlled release antistaling paper for grapes can realize antistaling agent prescription regulation and control, wrap and realized too many levels, comprehensive regulation and control by auxiliary agent regulation and control, the regulation and control of controlled release cover layer, substrate layer regulation and control etc.Modification scope is wide, regulation and control are accurate.(2) application type controlled release antistaling paper for grapes according to the actual conditions in different grape variety and the place of production, can meet the requirement of various storage period.
(3) application type controlled release antistaling paper for grapes is according to the actual conditions in different grape variety and the place of production and application type controlled release antistaling paper for grapes corresponding to the requirement of various storage period design, makes grape product without putrefaction in storage area, does not bleach.
(4) whole placement when application type controlled release antistaling paper for grapes uses, without medicament sensation, whole is neat planar structure, and outward appearance is an overlay film will or film, and commodity performance is splendid.
(5) application type controlled release antistaling paper for grapes property indices is better than now widely used single bag antistaling agent and bag lattice tin foil comprehensively, has wide market application foreground.
(6) application type controlled release antistaling paper for grapes, adopt coating process market, cost of raw and processed materials is low, and production efficiency is high, and the market competitiveness is strong.
Claims (5)
1. an application type controlled release antistaling paper for grapes, is characterized in that it is made up of substrate layer, coating layer and controlled release tectum structure; Substrate layer thickness is 10-150 micron, and coating layer is made up of by auxiliary agent antistaling agent active ingredient and controlled release bag; Controlled release cover layer requires to select thin-film material, paper and nonwoven cloth material according to the difference of antistaling agent active ingredient rate of release, and the tectal thickness of controlled release is 5-50 micron.
2. application type controlled release antistaling paper for grapes according to claim 1, wherein substrate layer is bidirectional stretching polypropylene film, polyethylene film, polyvinyl chloride film, polyvinylidene chloride film, polycarbonate film, polyester film or polyimides, paper, and the thickness of substrate layer is 10-150 micron.
3. application type controlled release antistaling paper for grapes according to claim 1, wherein said antistaling agent active ingredient refer to sodium pyrosulfite, potassium metabisulfite, sodium hydrogensulfite, potassium bisulfite, sodium sulfite, potassium sulfite, 2-butylamine sulfate, chlorine dioxide, benzoic acid, phytic acid one or more, the content of antistaling agent active ingredient in coating layer is 30-70%(w/w); Controlled release bag is referred to by auxiliary agent: emulsified wax, rosin, gelatin, starch, polypropene pressure sensitive adhesive, paraffin, stearic one or more, controlled release bag is 30-70%(w/w by the content of auxiliary agent in coating layer); Coating layer adopts melt coating liquid or dissolves coating fluid, is coated with forms by Special coating equipment.
4. application type controlled release antistaling paper for grapes according to claim 1, wherein controlled release cover layer can select thin-film material, paper and nonwoven cloth material, wherein thin-film material is bidirectional stretching polypropylene film, polyethylene film, polycarbonate film, polyester film or Kapton, and the tectal thickness of controlled release is 5-45 micron; Paper selects wood pulp paper, rag paper, wood grass mixing slurry paper and candy wrapper, and institute's paper using quantitative target is 28-100g/m
2; Polypropylene nonwoven type non-woven fabrics selected by non-woven fabrics, and quantitative target is 10-50g/m
2.
5. application type controlled release antistaling paper for grapes described in claims 1 as antistaling agent for Grape During Storage fresh-keeping and transport circulation fresh-keeping in application.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510046299.9A CN104553204A (en) | 2015-01-30 | 2015-01-30 | Coating type controlled-release grape preservation paper |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510046299.9A CN104553204A (en) | 2015-01-30 | 2015-01-30 | Coating type controlled-release grape preservation paper |
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| CN104553204A true CN104553204A (en) | 2015-04-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510046299.9A Pending CN104553204A (en) | 2015-01-30 | 2015-01-30 | Coating type controlled-release grape preservation paper |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107215044A (en) * | 2017-05-31 | 2017-09-29 | 嘉兴星越包装材料有限公司 | A kind of alcohol film food fresh keeping card and manufacture method |
| CN108049247A (en) * | 2017-12-11 | 2018-05-18 | 郦璋 | A kind of preparation method of antistaling paper for grapes |
| CN110973239A (en) * | 2019-12-03 | 2020-04-10 | 天津科技大学 | Preservative solution for preventing grape fruits from rotting and preparation method and preservative paper thereof |
| CN114311925A (en) * | 2021-12-24 | 2022-04-12 | 新疆农业科学院农产品贮藏加工研究所 | Grape trademark preservation card and preparation and application thereof |
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| EP1834761A1 (en) * | 2006-03-13 | 2007-09-19 | Mondi Packaging AG | Packaging material for conservation of foods |
| CN101153474A (en) * | 2006-09-26 | 2008-04-02 | 国家农产品保鲜工程技术研究中心（天津） | Dual controlled release fruits and vegetables fresh-keeping paper and manufacturing method thereof |
| CN102173146A (en) * | 2011-01-12 | 2011-09-07 | 北京印刷学院 | Multifunctional multilayer composite film for fruit preservation and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| EP1834761A1 (en) * | 2006-03-13 | 2007-09-19 | Mondi Packaging AG | Packaging material for conservation of foods |
| CN101153474A (en) * | 2006-09-26 | 2008-04-02 | 国家农产品保鲜工程技术研究中心（天津） | Dual controlled release fruits and vegetables fresh-keeping paper and manufacturing method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107215044A (en) * | 2017-05-31 | 2017-09-29 | 嘉兴星越包装材料有限公司 | A kind of alcohol film food fresh keeping card and manufacture method |
| CN108049247A (en) * | 2017-12-11 | 2018-05-18 | 郦璋 | A kind of preparation method of antistaling paper for grapes |
| CN110973239A (en) * | 2019-12-03 | 2020-04-10 | 天津科技大学 | Preservative solution for preventing grape fruits from rotting and preparation method and preservative paper thereof |
| CN114311925A (en) * | 2021-12-24 | 2022-04-12 | 新疆农业科学院农产品贮藏加工研究所 | Grape trademark preservation card and preparation and application thereof |
| CN114311925B (en) * | 2021-12-24 | 2024-02-20 | 新疆农业科学院农产品贮藏加工研究所 | Grape trademark fresh-keeping card and preparation and application thereof |
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Application publication date: 20150429 |