CN104711903B - A kind of fruit inspecting of multi-layer compound structure and preparation method thereof - Google Patents
A kind of fruit inspecting of multi-layer compound structure and preparation method thereof Download PDFInfo
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Abstract
A kind of fruit inspecting of multi-layer compound structure and preparation method thereof, belongs to fruit bagging technology field.It is a kind of to be combined with each other into the paper of one with sandwich construction, equivalent to by the function and service of a variety of paper of independent separate of the prior art on a piece of paper.Each layer of l Water Paper page is made respectively, and then, each layer l Water Paper page is superimposed together, sandwich construction l Water Paper page is formed.Finally, sandwich construction l Water Paper page is carried out after press dewatering, drying and dehydrating, obtains sandwich construction fruit inspecting.Every layer in this paper structure has different performances, can reach the effect of the double-deck bagging of fruit made using a variety of paper, three layers of bagging.
Description
Technical field
The present invention relates to a kind of fruit inspecting, more particularly to multi-layer compound structure fruit inspecting and its making
Method, belongs to fruit bagging technology field.
Background technology
As the improvement of people's living standards, requirement of the people to fruit turns to the Green Water of high-quality and Harmless
Really, commercially available Pollution-free Fruit price is apparently higher than common fruit, and the production of Pollution-free Fruit depends on whether to apply fruit case
Bag technique.
Fruit bagging technology is during fruit growing, using the method for fruit bag, to instead of traditionally spray and shine
The method of agricultural chemicals, makes the fruit in bagging not encroached on by birds, will not be infected by drosophila bacterium, also will not be by
Branch scratch, and fruit is avoided the direct irradiation of sunlight, the more gas permeability due to bagging in itself can produce indivedual greenhouses effects
Should, make the appropriate humidity of fruit holding, temperature, improve the sugariness of fruit, improve the gloss of fruit, increase fruited yield, and
Shorten its growth stage.Further, since being not required to applying pesticides during growth, fruit is there is high-quality and nuisanceless, meet
The demand for development of green non-pollution agricultural.
Fruit bag is divided into single ply bag, double-ply bag and three layers of bag.Usually, double-ply bag, three layers of bag are to promoting fruit appearance
And the effect of quality is better than single ply bag, but it is separate separable between each layer bag.
At present, more researchs and application are concentrated mainly on：Make and select respectively internal layer, the centre of suitable fruit bag
Layer, the paper of outer layer, that is, inner bag paper, middle bag paper, outer bag paper, are then combined making fruit bag, have plenty of bilayer
Bag, it is separate separable to have plenty of between three layers of bag, each layer bag, and has space.For example, the red based on Fuji apple
Apple variety, is adapted to from double-ply bag black in outer ash.This double-ply bag, what outer layer was selected is the paper of grey, internal layer selection
Be black paper.Pear varieties based on water-rich areas, the main inner bag black stronger from light-proofness, outer bag fawn
Double-ply bag.The paper that pears bagging is selected is that what outer bag was selected is lurid paper, and what inner layer bag was selected is the paper of black
.
This method for making double-deck bagging, using two kinds of paper with different performance, one kind is used to make inner bag, one
Planting is used to make outer bag, plays two kinds of paper performances and effect, reaches in protection fruit developmental process, effectively reduction fruit disease pest
Evil, the residues of pesticides and raising fruit quality prevented on fruit face.
The shortcoming of above-mentioned fruit bag is that a variety of paper are respectively used to outer bag paper, intermediate bag paper, inner layer bag paper, and water is made
Fruit bagging, each layer bag is separate to be separated, and has space between each layer bag.The present invention is directed to this shortcoming, makes a kind of water
Fruit bagging paper, this paper has sandwich construction, and each layer of this paper has different performances, can be direct with this paper
Make fruit bag, purpose and the effect of fruit Multi-layer bag can be reached, can as making fruit bag paper, in other words
Say it is that separable multilayer bag of the prior art is combined into a piece of paper plate, form overall inseparable sandwich construction.
The content of the invention
The purpose of the present invention is to be the shortcoming for overcoming prior art there is provided a kind of fruit inspecting, and this paper is one
Kind the paper of one is combined with each other into sandwich construction, equivalent to by a variety of paper of independent separate of the prior art
Function and service is on a piece of paper, and every layer in this paper structure has different performances, can reach and use a variety of paper
The effect of the double-deck bagging of the fruit of making, three layers of bagging.
Meanwhile, it is a further object of the present invention to provide the preparation method of this fruit inspecting, and fruit inspecting
Application in fruit grows up protection.
The fruit bag that this fruit inspecting makes, is combined with each other fruit bag or three-decker with double-decker
The effect for the fruit bag being combined with each other, meets fruit growth and protection fruit quality, it is ensured that the greenization of Production of fruit.
The multi-layer compound structure fruit inspecting of the present invention, it is characterised in that fruit inspecting is two layers or three-decker
What is be brought into close contact is combined with each other, each layer of quantification of 10g/m2~42g/m2, thickness is 0.036mm~0.081mm, fruit
Total quantification of 30g/m of bagging paper2~82g/m2, gross thickness is 0.072mm~0.14mm, and each layer can be selected not as needed
Same addition pigment, is adapted to make fruit bag.
It is preferred that the fruit inspecting with double-decker, each layer of quantification of 20g/m2~42g/m2, thickness is
0.036mm~0.081mm, total quantification of 40g/m of fruit inspecting2~82g/m2, gross thickness is 0.072mm~0.14mm.
Fruit inspecting with three-decker, preferably each layer of quantification of 10g/m2~42g/m2, thickness is
0.036mm~0.081mm, total quantification of 40g/m of fruit inspecting2~82g/m2, gross thickness is 0.072mm~0.14mm.
The preparation method of the sandwich construction fruit inspecting of the present invention, it is characterised in that be to make each layer of l Water Paper respectively
Page, does not make outer layer l Water Paper page, middle level l Water Paper page, internal layer l Water Paper page such as, and every layer of l Water Paper has different performances.Then, will be each
Layer l Water Paper page is superimposed together, and forms sandwich construction l Water Paper page.Finally, press dewatering, drying are carried out to sandwich construction l Water Paper page
After dehydration, sandwich construction fruit inspecting is obtained.
Above-mentioned double-decker fruit inspecting or the preparation method of three-decker fruit inspecting, are comprised the steps of：
(1), the making of each layer l Water Paper page
Each layer l Water Paper page is individually prepared, according to the requirement of the wet page characteristic of each layer, suitable plant fiber paper is selected
Slurry, is diluted with water to mass concentration 1%~5%, after being uniformly dispersed, and addition retention agent, sizing agent, reinforcing agent, colouring agent etc. are changed
Auxiliary agent is learned, is disperseed and is mixed, after being well mixed, filtering means dehydration, shaping forms each layer l Water Paper page.
Wherein, the fruit inspecting of double-decker, outer layer uses string, selected from waste paper, bleached wood pulp and bleaching grass
The mixed pulp of one or both of slurry or three kinds of mixed pulp, preferably one or both of bleached wood pulp, waste paper.It is interior
Layer uses string, the mixed pulp selected from one or both of bleached wood pulp or bleaching straw pulp, preferably bleaching straw pulp.
Outer layer uses string, mixed selected from one or both of waste paper, bleached wood pulp and bleaching straw pulp or three kinds
Combined paper is starched, and reinforcing agent is melamine resin or Polyamide-Polyamsne-Epichlorohydrin resin, and quality consumption is absolute dried paper pulp
The 0.5%~7.0% of amount, sizing agent is reactive sizing agent alkyl ketene dimer emulsion or rosin sizes, and quality is used
Measure as the 0.5%~5.0% of absolute dried paper pulp amount, retention agent is cationic starch or one kind in PAMC or two
Kind, quality consumption is the 0.05%~3.0% of absolute dried paper pulp amount, and colouring agent is direct orchil or direct apricot yellow dyestuff.Outside
Layer is more preferably quantitatively 40g/m2, thickness is 0.08mm, and degree of sizing is 18s, and machine direction tensile strength is 158kN/m, horizontal
Zeeil tensile strength Z is 101kN/m, and tearability is 30N.
Applying glue refers to the process of make paper and paper products have resistance Liquid Penetrant performance by introducing sizing agent.When using not
When sizing agent together or the different amounts of sizing agent of addition, the ability of paper and paper products resistance Liquid Penetrant performance is different, that is,
Degree of sizing is different.The method for testing degree of sizing is that pattern is converted into small cell type, and pattern half faces up, and half reverse side is upward,
Pour into appropriate 2% ammonium thiocyanate configured in culture dish, capsule be placed on the liquid level of ammonium thiocyanate, at the same with dropper away from
The FeCl of instillation 1% at box about 1cm3.And start timing, work as FeCl3In just occurred stopping timing at red, record the time should essence
S is really arrived, the time recorded is the degree of sizing of the sample, during operation, about 45 ° of dropper inclination angle, per dropping liquid amount about 0.06ml.
Internal layer uses string, the mixed pulp selected from one or both of bleached wood pulp or bleaching straw pulp, applying glue
Agent be alkyl ketene dimer emulsion or rosin sizes, consumption be 0.5%~2.0%, retention agent be cationic starch or
One or both of PAMC, consumption is 0.05%~3.0%, and colouring agent is black pigment carbon black or acetylene
Black, consumption is 4%~10%.Internal layer preferably quantification of 40g/m2, thickness is 0.08mm, and degree of sizing is 18s, machine direction tensile strength
For 113kN/m, cross direction tensile strength is 66kN/m, and tearability is 30N.
The fruit inspecting of three-decker, the string that outer layer is used, in being waste paper, bleached wood pulp and bleaching straw pulp
A kind of, mixed pulp of two or three of mixed pulp, preferably one or both of waste paper and bleached wood pulp.What middle level was used
String is the mixed pulp of bleached wood pulp or bleaching straw pulp or the mixed pulp of the two, preferably bleaching straw pulp or both.
The string that internal layer is used is bleached wood pulp or bleaching straw pulp, or both mixed pulp, preferred bleaching straw pulp or both
Mixed pulp.
The chemical assistant that each layer l Water Paper page is used is conventional paper making additive, and how much is consumption, according to sandwich construction fruit case
The requirement of the physical and mechanical properties of bag paper, is determined.
Fruit inspecting with three-decker, wherein, the string that outer layer is used is waste paper, bleached wood pulp and bleaching
One kind, two or three of mixed pulp in straw pulp, reinforcing agent are melamine resin or polyamide polyamines epoxy chloropropionate
Alkane resin, consumption is 0.5%~3.0%, and sizing agent is alkyl ketene dimer emulsion or rosin sizes, and consumption is
0.5%~2.0%, retention agent is one or both of cationic starch PAMC, consumption is 0.05%~
3.0%, colouring agent is direct orchil.The quantification of 37g/m of further preferred outer layer2, thickness is 0.08mm, and degree of sizing is
33s, machine direction tensile strength is 93.68kN/m, and cross direction tensile strength is 78.64kN/m, and tearability is 30N.
The string that middle level is used is bleached wood pulp or bleaching straw pulp, or the mixed pulp of the two, and sizing agent is alkyl
Ketene dimer emulsion, consumption is 0.5%~2.0%, and retention agent is cationic starch, and consumption is 0.05%~3.0%, coloring
Agent is black pigment carbon black, and consumption is 4%~10%.The quantification of 48g/m in middle level2, thickness is 0.08mm, and degree of sizing is 4s,
Machine direction tensile strength is 137kN/m, and cross direction tensile strength is 46.06kN/m.
The string that internal layer is used is bleached wood pulp or bleaching straw pulp, or the mixed pulp of the two, and sizing agent is alkyl
Ketene dimer emulsion, consumption is 0.5%~2.0%, and retention agent is cationic starch, and consumption is 0.05%~3.0%.Internal layer
Quantification of 47g/m2, thickness is 0.03mm, and degree of sizing is 0.1s, and machine direction tensile strength is 26.26kN/m, cross direction tensile strength
For 23.28kN/m.
Retention agent can be that cationic starch or PAMC, or both are used in combination.The use of retention agent
Measure as the 0.05%~3% of absolute dried paper pulp amount.
Sizing agent can be reactive sizing agent alkyl ketene dimer emulsion or rosin sizes.The consumption of sizing agent
For the 0.5%~5% of absolute dried paper pulp amount.
Reinforcing agent can be melamine resin or Polyamide-Polyamsne-Epichlorohydrin resin.The consumption of reinforcing agent is
0.5%~7%.
Colouring agent assigns every layer of color.Outer layer is using direct orchil or direct apricot yellow dyestuff, or the two is mixed
Compound, consumption is 3%~10%.Intermediate layer uses carbon black or acetylene black, and consumption is 3%~10%.
Retention agent, sizing agent, reinforcing agent, colouring agent and its consumption that each layer is used are, it is necessary to according to the physical mechanical of each layer
Performance and requirement, it is specific to determine.The consumption of above-mentioned chemical assistant refers to accounting for the percentage of absolute dried paper pulp quality.
(2), the overlapping of l Water Paper page, press dewatering, drying and dehydrating
Molded each layer l Water Paper page is superimposed together by required order, the multilayer knots such as the bilayer overlapped or three layers are formed
Structure l Water Paper page, after press dewatering, drying and dehydrating, obtains the sandwich construction fruit inspectings such as bilayer or three layers；
Can also be when each layer l Water Paper page be overlapped, each interlayer sprinkling chemical adhesive oxidized starch or carboxymethyl cellulose,
To improve the bond strength of interlayer, it is to avoid this sandwich construction fruit inspecting make fruit bag bag during, or
During use, the problem of being layered influences sandwich construction fruit inspecting using effect, so as to ensure sandwich construction water
The quality of fruit bagging paper.
The mass content of the moisture of each layer l Water Paper page formed after above-mentioned steps (1) filtering is preferably 80%~90%.
The mass content preferably 45%~55% of moisture after above-mentioned steps (2) bilayer or the page squeezing of three-decker l Water Paper.
After step (2) is dried, the mass content preferably 8% of the moisture of above-mentioned double-deck or three-decker fruit inspecting
~12%.
Usually, the fruit inspecting of sandwich construction, the paper pulp and other components that outer layer, intermediate layer, internal layer are used are that have
Difference, its difference is, after sandwich construction bagging paper is dried, the physical and mechanical properties of outer layer is higher than intermediate layer and internal layer,
Simultaneously will to selectivity the certain wavelength of transmission sunshine；Intermediate layer be black there is provided prevent in bagging heat to scatter and disappear
Effect；Internal layer is white, prevents intermediate layer pigment pollution fruit.
Above-mentioned double-deck or three-decker fruit inspecting, every layer of performance and the performance of entirety, can be with selection raw material
Difference, the kind of bag fruit etc. it is different and different.
One of advantage of sandwich construction fruit inspecting of the present invention is, using this fruit inspecting, with convenient system
While bag, the cost of investment of bag-making equipment is low.
Another advantage of the sandwich construction fruit inspecting of the present invention is, in bag making process and during use, multilayer
Structure fruit inspecting has strength character good, be not easily susceptible to external force effect when and it is damaged, than the paper by several individual separation
The fruit bag prepared altogether, more tolerant to the effect of external force, so that protective effect of growing up to fruit is more preferable.
Brief description of the drawings
Accompanying drawing 1 is double-decker fruit inspecting schematic diagram, and 1 is outer layer, and 2 be internal layer.
Accompanying drawing 2 is three-decker fruit inspecting schematic diagram, and 1 is outer layer, and 2 be intermediate layer, and 3 be internal layer.
Embodiment
By specific examples below, the invention will be further described.Following specific descriptions are for the ease of understanding sheet
Invention, is not for limiting the scope of the invention.
Comparative example
In order to prevent pears from being endangered in developmental process by pest and disease damage, make pears surface non agricultural chemical residuum, it is ensured that the mouth of pears
Sense is tasty, and the bagging of pears is made of following three kinds of paper.The bagging of pears is made up of outer bag paper, intermediate layer paper, internal layer paper, each layer
Between separate separation.The following is the physical and mechanical properties of each layer paper of actual measurement：
Fruit bag outer bag paper, quantitative 37.568g/m2, thickness 0.0838mm, degree of sizing 33.44s, longitudinal anti-tensile is strong
93.68kN/m, cross direction tensile strength 78.64kN/m；
Bag paper in fruit inspecting, quantitative 48.64g/m2, thickness 0.0886mm, degree of sizing 2.21s, longitudinal anti-tensile is strong
137.72kN/m, cross direction tensile strength 46.06kN/m；
Fruit inspecting inner bag paper, quantitative 10.454g/m2, thickness 0.0364mm, degree of sizing 0.10s, longitudinal anti-tensile is strong
26.22kN/m, cross direction tensile strength 23.28kN/m.
The machine direction tensile strength of the three-ply paper (bagging) of three of the above paper composition is 257.62kN/m, and cross direction tensile strength is
147.98kN/m。
Embodiment 1
Using bleached softwood wood pulp and bleaching broad-leaved wood pulp as outer layer paper pulp, with bleached softwood wood pulp and bleached wheat straw
Starch as intermediate layer paper pulp, using bleached softwood wood pulp and broad-leaved wood pulp as internal layer paper pulp, making three-decker fruit inspecting.
Specific make step is as follows：
1st, the making of outer layer l Water Paper page
By 30% bleached softwood wood pulp and the mixed pulp of 70% broad-leaved wood pulp, mass concentration 5% is diluted with water to,
After being uniformly dispersed, addition retention agent cationic starch, sizing agent alkyl ketene dimer emulsion, reinforcing agent melamino-formaldehyde tree
The direct apricot dyestuff of fat, colouring agent, is disperseed and is mixed.After well mixed, it is 1% to be further diluted to mass concentration
Pulp suspension, is then filtered and is molded, and forms outer layer l Water Paper page, obtains faint yellow outer layer l Water Paper page.
The consumption of cationic starch is the 2% of absolute dried paper pulp amount, and the consumption of alkyl ketene dimer emulsion is absolute dried paper pulp
The 1.5% of amount, melamine resin consumption is 0.8%, and the consumption of direct apricot yellow dyestuff is the 10% of absolute dried paper pulp amount.
The mass content of the moisture of faint yellow outer layer l Water Paper page is 85%.
2nd, l Water Paper page in intermediate layer makes
By 20% bleached softwood wood pulp and the mixed pulp of 80% bleached wheat straw pulp, mass concentration 5% is diluted with water to,
After being uniformly dispersed, addition retention agent cationic starch, sizing agent alkyl ketene dimer emulsion, colouring agent black pigment carbon black,
Disperseed and mixed.After well mixed, the pulp suspension that mass concentration is 1% is further diluted to, is then filtered
And shaping, intermediate layer l Water Paper page is formed, black intermediate layer l Water Paper page is obtained.
The consumption of cationic starch is the 2% of absolute dried paper pulp amount, and the consumption of alkyl ketene dimer emulsion is absolute dried paper pulp
The 1.5% of amount, the consumption of black pigment carbon black is the 15% of absolute dried paper pulp amount.
The mass content of the moisture of black intermediate layer l Water Paper page is 83%.
3rd, internal layer l Water Paper page makes
By 20% bleached softwood wood pulp and 80% broad-leaved wood pulp, mass concentration 5% is diluted with water to, is uniformly dispersed
Afterwards, addition retention agent cationic starch, sizing agent alkyl ketene dimer emulsion, are disperseed and are mixed.After well mixed, enter
One step is diluted to the pulp suspension that mass concentration is 1%, is then filtered and is molded, and forms internal layer l Water Paper page, obtains white
Color internal layer l Water Paper page.
The consumption of cationic starch is the 2% of absolute dried paper pulp amount, and the consumption of alkyl ketene dimer emulsion is absolute dried paper pulp
The 1.5% of amount.
The mass content of the moisture of white intermediate layer l Water Paper page is 81%.
Above-mentioned outer layer, intermediate layer, the difference of the paper pulp that the l Water Paper page of internal layer is used and other components be, sandwich construction
After bagging paper is dried, the physical and mechanical properties of outer layer is higher than intermediate layer and internal layer.Outer layer will have to the sunshine of certain wavelength
The transmission of selectivity, to ensure that sugar degree is higher；Intermediate layer is black, and with fabulous light-proofness, there is provided fruit growing
Light protected environment；Internal layer is white, prevents intermediate layer black pigment pollution fruit.
4th, the overlapping of l Water Paper page, press dewatering, drying and dehydrating
Molded outer layer brown l Water Paper page, intermediate layer black l Water Paper page, the white l Water Paper page of internal layer are superimposed together, shape
Into the three-decker l Water Paper page of overlapping.Three-decker l Water Paper page, after press dewatering, drying and dehydrating, obtains outer layer yellowish
Color, intermediate layer black, the three-decker fruit inspecting of internal layer white.
The performance of above-mentioned three-decker fruit inspecting is, quantification of 75g/m2, thickness is 0.1725mm, outside degree of sizing
For 33s, inner side degree of sizing is 11s, and machine direction tensile strength is 295kN/m, and cross direction tensile strength is 206kN/m, and tearability is
60N.Wherein, the quantification of 30g/m of outer layer2, thickness is 0.0662mm；The quantitative 30g/m in intermediate layer2, thickness is 0.0569mm；Internal layer
Quantitative 15g/m2, thickness is 0.0494mm.Outer layer and the interfacial bonding strength in intermediate layer are 0.675kg/cm, intermediate layer and internal layer
Interfacial bonding strength be 0.573kg/cm.
This fruit inspecting is adapted to the bagging for making pears, prevents pears from being endangered in developmental process by pest and disease damage, makes
Pears surface non agricultural chemical residuum, it is ensured that the tasty mouthfeel of pears is tasty.
Embodiment 2
The difference of embodiment 2 and embodiment 1 is that embodiment 2 has used oxidized starch as the water of three-decker
The interlayer adhesive of fruit bagging paper.
The fountain height of oxidized starch is 2g/m2。
The application method of oxidized starch is：It is 5% that cationic starch is configured into mass concentration first, is then pasted
Change, obtain being gelatinized oxidized starch.The oxidized starch being gelatinized sprinkling is sprayed at outer layer l Water Paper page inner side, intermediate layer l Water Paper respectively
Intermediate layer l Water Paper page, is then placed on outer layer l Water Paper page by the inner side of page, makes outer layer l Water Paper page spray adhesive side and intermediate layer
The non-spray adhesive side of l Water Paper page is superimposed together.And then internal layer l Water Paper page is placed on the l Water Paper page of middle level, make intermediate layer l Water Paper
Page spray adhesive side is superimposed together with internal layer l Water Paper page.
The performance for having used the three-decker fruit inspecting of adhesive is, quantification of 77g/m2, thickness is 0.1725mm,
Outside degree of sizing is 32s, and inner side degree of sizing is 11s, and machine direction tensile strength is 308kN/m, and tensile strength is 213kN/m, tear
Spend for 61N.Wherein, the quantification of 30g/m of outer layer2, thickness is 0.0662mm；Intermediate layer is 30g/m2, thickness is 0.0569mm；It is interior
Layer is 15g/m2, thickness is 0.0494mm.Outer layer and the interfacial bonding strength in intermediate layer are 1.354kg/cm, intermediate layer and internal layer
Interfacial bonding strength be 1.095kg/cm.
The outer layer of the fruit inspecting of this three-decker is presented faint yellow, and black is presented in intermediate layer, and white is presented in internal layer.
This fruit inspecting is adapted to the bagging for making pears, prevents pears from being endangered in developmental process by pest and disease damage, makes
Pears surface non agricultural chemical residuum, it is ensured that the tasty mouthfeel of pears is tasty.
Due to having used interlayer adhesive oxidized starch, the Coating combination of the three-decker fruit inspecting of embodiment 2 is strong
Spend the three-decker fruit inspecting apparently higher than embodiment 1.
Embodiment 3
The difference from Example 1 of embodiment 3 is, using bleached softwood wood pulp and bleaching broad-leaved wood pulp as outer layer paper
Slurry, using bleached softwood wood pulp and bleached wheat straw pulp as internal layer paper pulp, makes double-decker fruit inspecting.Specific make step
It is as follows：
1st, the making of outer layer l Water Paper page
By 30% bleached softwood wood pulp and the mixed pulp of 70% broad-leaved wood pulp, mass concentration 5% is diluted with water to,
After being uniformly dispersed, addition retention agent cationic starch, sizing agent alkyl ketene dimer emulsion, reinforcing agent melamino-formaldehyde tree
The direct orchil of fat, colouring agent, is disperseed and is mixed.After well mixed, the paper that mass concentration is 1% is further diluted to
Mass suspension, is then filtered and is molded, and forms outer layer l Water Paper page, obtains faint yellow outer layer l Water Paper page.
The consumption of cationic starch is the 2% of absolute dried paper pulp amount, and the consumption of alkyl ketene dimer emulsion is absolute dried paper pulp
The 1.5% of amount, melamine resin consumption is 0.8%, and the consumption of direct orchil is the 10% of absolute dried paper pulp amount.
The mass content of the moisture of brownish red outer layer l Water Paper page is 85%.
2nd, l Water Paper page in intermediate layer makes
By 20% bleached softwood wood pulp and the mixed pulp of 80% bleached wheat straw pulp, mass concentration 5% is diluted with water to,
After being uniformly dispersed, addition retention agent cationic starch, sizing agent alkyl ketene dimer emulsion, colouring agent black pigment carbon black,
Disperseed and mixed.After well mixed, the pulp suspension that mass concentration is 1% is further diluted to, is then filtered
And shaping, intermediate layer l Water Paper page is formed, black intermediate layer l Water Paper page is obtained.
The consumption of cationic starch is the 2% of absolute dried paper pulp amount, and the consumption of alkyl ketene dimer emulsion is absolute dried paper pulp
The 1.5% of amount, the consumption of black pigment carbon black is the 15% of absolute dried paper pulp amount.
The mass content of the moisture of black intermediate layer l Water Paper page is 83%.
3rd, the overlapping of l Water Paper page, press dewatering, drying and dehydrating
Molded outer layer brownish red l Water Paper page, black inner l Water Paper page are superimposed together, the double-deck knot of overlapping is formed
Structure l Water Paper page, double-decker l Water Paper page obtains pair of brownish red outer layer, black internal layer after press dewatering, drying and dehydrating
Rotating fields fruit inspecting.
The performance of above-mentioned double-decker fruit inspecting is, quantification of 60g/m2, thickness is 0.1231mm, outside degree of sizing
For 31s, inner side degree of sizing is 12s, and tensile strength is 186kN/m, and tearability is 49N.Wherein, the quantification of 30g/m of outer layer2, it is thick
Spend for 0.0662mm；Internal layer is 30g/m2, thickness is 0.0569mm.The interfacial bonding strength of outer layer and internal layer is 0.487kg/
cm。
The double-decker fruit inspecting of this outside brownish red, inner side black, is adapted to the bagging for making mcintosh, makes
Apple avoids the direct irradiation of sunlight, and produces indivedual greenhouse effects using the gas permeability of bagging in itself, apple is kept suitable
When humidity, temperature, improve the sugariness of apple, improve the gloss of apple, increase fruited yield, shorten its growth stage.In apple
Not applying pesticides in the growth course of fruit, make apple have high-quality and nuisanceless, and the development for meeting green non-pollution agricultural will
Ask.
Embodiment 4
The difference from Example 3 of embodiment 4 is that embodiment 4 has used oxidized starch as the fruit of double-decker
The interlayer adhesive of bagging paper.
The fountain height of cationic starch is 2g/m2。
The application method of cationic starch is：It is 5% that cationic starch is configured into mass concentration first, is then pasted
Change, obtain being gelatinized cationic starch.The cationic starch being gelatinized sprinkling is sprayed at outer layer l Water Paper page inner side respectively, then will
Internal layer l Water Paper page is placed on outer layer l Water Paper page, outer layer l Water Paper page spray adhesive side is superimposed together with internal layer l Water Paper page.
The performance for having used the double-decker fruit inspecting of adhesive is, quantification of 61.5g/m2, thickness is
0.1233mm, outside degree of sizing is 31s, and inner side degree of sizing is 11s, and machine direction tensile strength is 276kN/m, and cross direction tensile strength is
191kN/m, tearability is 51N.Wherein, the quantification of 30g/m of outer layer2, thickness is 0.0662mm；Internal layer is 30g/m2, thickness is
0.0569mm.The interfacial bonding strength of outer layer and internal layer is 1.054kg/cm.
The double-decker fruit inspecting that this outer layer is brownish red, internal layer is black is adapted to the set for making mcintosh
Bag, this fruit inspecting is adapted to the bagging for making mcintosh, makes apple sugariness high, good luster, yield is high, the growth stage compared with
It is short, green non-pollution.
Embodiment 4 has used the interfacial bonding strength of the double-decker fruit inspecting of interlayer adhesive apparently higher than implementation
The double-decker fruit inspecting of interlayer adhesive is not used in example 3.
Embodiment 5
The difference from Example 1 of embodiment 5 is, with the mixed of 30% bleaching broad-leaved wood pulp and 70% bleached wheat straw pulp
Combined paper slurry is outer layer paper pulp, using bleached wheat straw pulp as intermediate layer paper pulp, with 30% bleaching broad-leaved wood pulp and 70% bleached wheat straw
Starch as internal layer paper pulp, making three-decker fruit inspecting.Other are same as Example 1.
The performance of above-mentioned three-decker fruit inspecting is, quantification of 75g/m2, thickness is 0.1631mm, outside degree of sizing
For 30s, inner side degree of sizing is 13s, and machine direction tensile strength is 256kN/m, and cross direction tensile strength is 176kN/m, and tearability is
49N.Wherein, the quantification of 30g/m of outer layer2, thickness is 0.0626mm；The quantitative 30g/m in intermediate layer2, thickness is 0.0513mm；Internal layer
Quantitative 15g/m2, thickness is 0.0492mm.Outer layer and the interfacial bonding strength in intermediate layer are 0.512kg/cm, intermediate layer and internal layer
Interfacial bonding strength be 0.487kg/cm.
The outer layer brownish red of embodiment 5, intermediate layer black, the three-decker fruit inspecting of internal layer white, its interlayer knot
Wanting for the three-decker fruit inspecting of conjunction strength ratio embodiment 1 is small many.Therefore, the fruit bag made using embodiment 5
Paper and using this fruit inspecting make fruit bag when, it should be noted that because interfacial bonding strength is smaller and caused by interlaminar separation
The problems such as.
The three-decker fruit inspecting of embodiment 5 also be adapted for make pears bagging, to protect pears healthy growth and
Ensure the quality and green fruit industry of pears, it is significant.
Embodiment 6
The difference from Example 1 of embodiment 6 is that the outer layer of embodiment 6 and intermediate layer use composite paper-plastic material
Isolated paper pulp, using bleached softwood wood pulp and broad-leaved wood pulp as internal layer paper pulp, makes three-decker fruit inspecting.
Other are same as Example 1.
The three-decker fruit inspecting performance of embodiment 6 is, quantification of 75g/m2, thickness is 0.1783mm, and outside is applied
Colloidality is 29s, and inner side degree of sizing is 13s, and machine direction tensile strength is 273kN/m, and cross direction tensile strength is 187kN/m.Wherein, outside
The quantification of 30g/m of layer2, thickness is 0.06295mm；Intermediate layer is 30g/m2, thickness is 0.06295mm；Internal layer is 15g/m2, it is thick
Spend for 0.0524mm.Outer layer and the interfacial bonding strength in intermediate layer are 0.634kg/cm, and the Coating combination of intermediate layer and internal layer is strong
Spend for 0.668kg/cm.
The three-decker fruit inspecting of embodiment 6, outer layer is presented faint yellow, and black is presented in intermediate layer, and internal layer presents white
Color.
Embodiment 7
The difference from Example 3 of embodiment 7 is that outer layer is using the isolated paper pulp of composite paper-plastic material, to float
White needle wood pulp and bleached wheat straw pulp are internal layer paper pulp, make double-decker fruit inspecting.Other are same as Example 3.
The performance of the double-decker fruit inspecting of embodiment 7 is, quantification of 60g/m2, thickness is 0.1198mm, outer layer
Degree of sizing is 33s, and internal layer degree of sizing is 13s, and machine direction tensile strength 247kN/m, cross direction tensile strength is 162kN/m, tearability
For 40N.Wherein, the quantification of 30g/m of outer layer2, thickness is 0.629mm；The quantification of 30g/m of internal layer2, thickness is 0.0569mm.Interlayer
Bond strength is 0.675kg/cm.Brownish red is presented in this fruit inspecting, outer layer, and black is presented in internal layer.
Double-decker fruit inspecting, the three-decker fruit inspecting obtained as described above, its outer layer has higher
Black is presented in water-resistance, intermediate layer or internal layer, with light-proofness and heat insulating ability, is conducive to improving fruit quality, can preferably realize
The purpose of this fermentation.
Claims (6)
1. a kind of fruit inspecting of multi-layer compound structure, it is characterised in that with bleached softwood wood pulp and bleaching leaf wood paper
Starch as outer layer paper pulp, using bleached softwood wood pulp and bleached wheat straw pulp as intermediate layer paper pulp, with bleached softwood wood pulp and broad-leaved
Wood pulp is internal layer paper pulp, makes three-decker fruit inspecting；Specific make step is as follows：
(1) making of outer layer l Water Paper page
By 30% bleached softwood wood pulp and the mixed pulp of 70% bleaching broad-leaved wood pulp, mass concentration 5% is diluted with water to,
After being uniformly dispersed, addition retention agent cationic starch, sizing agent alkyl ketene dimer emulsion, reinforcing agent melamino-formaldehyde tree
The direct apricot dyestuff of fat, colouring agent, is disperseed and is mixed；After well mixed, it is 1% to be further diluted to mass concentration
Pulp suspension, is then filtered and is molded, and forms outer layer l Water Paper page, obtains faint yellow outer layer l Water Paper page；
The consumption of cationic starch is the 2% of absolute dried paper pulp amount, and the consumption of alkyl ketene dimer emulsion is absolute dried paper pulp amount
1.5%, melamine resin consumption is 0.8%, and the consumption of direct apricot dyestuff is the 10% of absolute dried paper pulp amount；
The mass content of the moisture of faint yellow outer layer l Water Paper page is 85%；
(2) l Water Paper page in intermediate layer makes
By 20% bleached softwood wood pulp and the mixed pulp of 80% bleached wheat straw pulp, mass concentration 5% is diluted with water to, is disperseed
After uniform, addition retention agent cationic starch, sizing agent alkyl ketene dimer emulsion, colouring agent black pigment carbon black are carried out
Scattered and mixing；After well mixed, be further diluted to the pulp suspension that mass concentration is 1%, then filtered and into
Type, forms intermediate layer l Water Paper page, obtains black intermediate layer l Water Paper page；
The consumption of cationic starch is the 2% of absolute dried paper pulp amount, and the consumption of alkyl ketene dimer emulsion is absolute dried paper pulp amount
1.5%, the consumption of black pigment carbon black is the 15% of absolute dried paper pulp amount；
The mass content of the moisture of black intermediate layer l Water Paper page is 83%；
(3) internal layer l Water Paper page makes
By 20% bleached softwood wood pulp and 80% broad-leaved wood pulp, mass concentration 5% is diluted with water to, after being uniformly dispersed, is added
Plus retention agent cationic starch, sizing agent alkyl ketene dimer emulsion, disperseed and mixed；After well mixed, further
The pulp suspension that mass concentration is 1% is diluted to, is then filtered and is molded, internal layer l Water Paper page is formed, obtains in white
Layer l Water Paper page；
The consumption of cationic starch is the 2% of absolute dried paper pulp amount, and the consumption of alkyl ketene dimer emulsion is absolute dried paper pulp amount
1.5%；
The mass content of moisture is 81% in internal layer l Water Paper page；
(4) overlapping of l Water Paper page, press dewatering, drying and dehydrating
Molded faint yellow outer layer l Water Paper page, black intermediate layer l Water Paper page, white internal layer l Water Paper page are superimposed together, formed
The three-decker l Water Paper page of overlapping；Three-decker l Water Paper page, after press dewatering, drying and dehydrating, obtain outer layer it is faint yellow,
The three-decker fruit inspecting of intermediate layer black, internal layer white；
The performance of above-mentioned three-decker fruit inspecting is, quantification of 75g/m2, thickness is 0.1725mm, and outside degree of sizing is
33s, inner side degree of sizing is 11s, and machine direction tensile strength is 295kN/m, and cross direction tensile strength is 206kN/m, and tearability is 60N；
Wherein, the quantification of 30g/m of outer layer2, thickness is 0.0662mm；The quantitative 30g/m in intermediate layer2, thickness is 0.0569mm；Internal layer is quantified
15g/m2, thickness is 0.0494mm；Outer layer and the layer that the interfacial bonding strength in intermediate layer is 0.675kg/cm, intermediate layer and internal layer
Between bond strength be 0.573kg/cm.
2. according to a kind of fruit inspecting of multi-layer compound structure described in claim 1, it is characterised in that
The interlayer adhesive of the fruit inspecting of three-decker is used as using oxidized starch；The fountain height of oxidized starch is 2g/m2；
The application method of oxidized starch is：It is 5% that cationic starch is configured into mass concentration first, is then gelatinized, obtained
To gelatinization oxidized starch；By the oxidized starch being gelatinized sprinkling, outer layer l Water Paper page inner side, intermediate layer l Water Paper page are sprayed at respectively
Intermediate layer l Water Paper page, is then placed on outer layer l Water Paper page by inner side, makes outer layer l Water Paper page spray adhesive side and intermediate layer l Water Paper
The non-spray adhesive side of page is superimposed together；And then internal layer l Water Paper page is placed on the l Water Paper page of intermediate layer, make intermediate layer l Water Paper page
Spray adhesive side is superimposed together with internal layer l Water Paper page；
The performance for having used the three-decker fruit inspecting of adhesive is, quantification of 77g/m2, thickness is 0.1725mm, outside
Degree of sizing is 32s, and inner side degree of sizing is 11s, and machine direction tensile strength is 308kN/m, and tensile strength is 213kN/m, and tearability is
61N；Wherein, the quantification of 30g/m of outer layer2, thickness is 0.0662mm；Intermediate layer is 30g/m2, thickness is 0.0569mm；Internal layer is
15g/m2, thickness is 0.0494mm；Outer layer and the layer that the interfacial bonding strength in intermediate layer is 1.354kg/cm, intermediate layer and internal layer
Between bond strength be 1.095kg/cm.
3. according to a kind of fruit inspecting of multi-layer compound structure described in claim 1, it is characterised in that
Outer layer and intermediate layer are using the isolated paper pulp of composite paper-plastic material, with bleached softwood wood pulp and broad-leaved wood pulp
For internal layer paper pulp, three-decker fruit inspecting is made；
Three-decker fruit inspecting performance is, quantification of 75g/m2, thickness is 0.1783mm, and outside degree of sizing is 29s, inner side
Degree of sizing is 13s, and machine direction tensile strength is 273kN/m, and cross direction tensile strength is 187kN/m；Wherein, the quantification of 30g/ of outer layer
m2, thickness is 0.06295mm；Intermediate layer is 30g/m2, thickness is 0.06295mm；Internal layer is 15g/m2, thickness is 0.0524mm；
Outer layer and the interfacial bonding strength in intermediate layer are 0.634kg/cm, and the interfacial bonding strength of intermediate layer and internal layer is 0.668kg/
cm。
4. a kind of fruit inspecting of multi-layer compound structure, it is characterised in that with bleached softwood wood pulp and bleaching leaf wood paper
Starch as outer layer paper pulp, using bleached softwood wood pulp and bleached wheat straw pulp as internal layer paper pulp, making double-decker fruit inspecting；Tool
Body making step is as follows：
(1) making of outer layer l Water Paper page
By 30% bleached softwood wood pulp and the mixed pulp of 70% broad-leaved wood pulp, mass concentration 5% is diluted with water to, is disperseed
After uniform, addition retention agent cationic starch, sizing agent alkyl ketene dimer emulsion, reinforcing agent melamine resin,
The direct orchil of colouring agent, is disperseed and is mixed；After well mixed, the paper pulp that mass concentration is 1% is further diluted to
Suspension, is then filtered and is molded, and forms outer layer l Water Paper page, obtains faint yellow outer layer l Water Paper page；
The consumption of cationic starch is the 2% of absolute dried paper pulp amount, and the consumption of alkyl ketene dimer emulsion is absolute dried paper pulp amount
1.5%, melamine resin consumption is 0.8%, and the consumption of direct orchil is the 10% of absolute dried paper pulp amount；
The mass content of the moisture of faint yellow outer layer l Water Paper page is 85%；
(2) internal layer l Water Paper page makes
By 20% bleached softwood wood pulp and the mixed pulp of 80% bleached wheat straw pulp, mass concentration 5% is diluted with water to, is disperseed
After uniform, addition retention agent cationic starch, sizing agent alkyl ketene dimer emulsion, colouring agent black pigment carbon black are carried out
Scattered and mixing；After well mixed, be further diluted to the pulp suspension that mass concentration is 1%, then filtered and into
Type, forms internal layer l Water Paper page, obtains black internal layer l Water Paper page；
The consumption of cationic starch is the 2% of absolute dried paper pulp amount, and the consumption of alkyl ketene dimer emulsion is absolute dried paper pulp amount
1.5%, the consumption of black pigment carbon black is the 15% of absolute dried paper pulp amount；
The mass content of the moisture of black internal layer l Water Paper page is 83%；
(3) overlapping of l Water Paper page, press dewatering, drying and dehydrating
Molded faint yellow outer layer l Water Paper page, internal layer l Water Paper page are superimposed together, the double-decker l Water Paper page of overlapping is formed,
Double-decker l Water Paper page obtains the double-decker fruit bag of faint yellow outer layer, internal layer after press dewatering, drying and dehydrating
Paper；
The performance of above-mentioned double-decker fruit inspecting is, quantification of 60g/m2, thickness is 0.1231mm, and outside degree of sizing is
31s, inner side degree of sizing is 12s, and tensile strength is 186kN/m, and tearability is 49N；Wherein, the quantification of 30g/m of outer layer2, thickness
For 0.0662mm；Internal layer is 30g/m2, thickness is 0.0569mm；The interfacial bonding strength of outer layer and internal layer is 0.487kg/cm.
5. according to a kind of fruit inspecting of multi-layer compound structure described in claim 4, it is characterised in that formed sediment using cation
Powder as the fruit inspecting of double-decker interlayer adhesive；
The fountain height of cationic starch is 2g/m2；
The application method of cationic starch is：It is 5% that cationic starch is configured into mass concentration first, is then gelatinized,
Obtain being gelatinized cationic starch；By the cationic starch being gelatinized sprinkling, outer layer l Water Paper page inner side is sprayed at respectively, then will be interior
Layer l Water Paper page is placed on outer layer l Water Paper page, outer layer l Water Paper page spray adhesive side is superimposed together with internal layer l Water Paper page；
The performance for having used the double-decker fruit inspecting of adhesive is, quantification of 61.5g/m2, thickness is 0.1233mm, outside
Side degree of sizing is 31s, and inner side degree of sizing is 11s, and machine direction tensile strength is 276kN/m, and cross direction tensile strength is 191kN/m, is torn
Degree of splitting is 51N；Wherein, the quantification of 30g/m of outer layer2, thickness is 0.0662mm；Internal layer is 30g/m2, thickness is 0.0569mm；Outside
The interfacial bonding strength of layer and internal layer is 1.054kg/cm.
6. according to a kind of fruit inspecting of multi-layer compound structure described in claim 4, it is characterised in that outer layer uses paper
The isolated paper pulp of composite, using bleached softwood wood pulp and bleached wheat straw pulp as internal layer paper pulp, makes double-decker water
Fruit bagging paper；
The performance of double-decker fruit inspecting is, quantification of 60g/m2, thickness is 0.1198mm, and outer layer degree of sizing is 33s, interior
Layer degree of sizing is 13s, and machine direction tensile strength 247kN/m, cross direction tensile strength is 162kN/m, and tearability is 40N；Wherein, outer layer
Quantification of 30g/m2, thickness is 0.629mm；The quantification of 30g/m of internal layer2, thickness is 0.0569mm；Interfacial bonding strength is
0.675kg/cm。
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| CN110982089B (en) * | 2019-11-25 | 2020-11-03 | 南京工业大学 | Dark lignin and application thereof in inner paper of outer bag of fruit cultivation sleeve |
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| KR20010096675A (en) * | 2001-07-05 | 2001-11-08 | 최정헌 | Method and apparatus for the preparation of the multiply paper thereof |
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| CN102733252A (en) * | 2012-06-28 | 2012-10-17 | 陕西科技大学 | Method for producing outer bag paper of fruit cultivating bag by using waste linerboards |
| CN203206843U (en) * | 2013-05-17 | 2013-09-25 | 浙江华川实业集团有限公司 | Apple bag paper |
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Effective date of registration: 20210105 Address after: No. a901, floor 9, block a, building 20, yard 1, Xinghua Street (2nd section), Daxing District, Beijing 102600 Patentee after: Beijing Liyang Shengxing science and Trade Co.,Ltd. Address before: 102600 Daxing District Xinghua street, Beijing (two paragraph) 1 Patentee before: BEIJING INSTITUTE OF GRAPHIC COMMUNICATION |