CN106182972A - A kind of gas release type natural complex fresh-keeping film and preparation method thereof - Google Patents
A kind of gas release type natural complex fresh-keeping film and preparation method thereof Download PDFInfo
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- CN106182972A CN106182972A CN201610730017.1A CN201610730017A CN106182972A CN 106182972 A CN106182972 A CN 106182972A CN 201610730017 A CN201610730017 A CN 201610730017A CN 106182972 A CN106182972 A CN 106182972A
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- Prior art keywords
- pad pasting
- coating
- keeping
- fresh
- mass fraction
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- 238000002360 preparation method Methods 0.000 title claims description 8
- 239000011248 coating agent Substances 0.000 claims abstract description 71
- 238000000576 coating method Methods 0.000 claims abstract description 71
- 239000000853 adhesive Substances 0.000 claims abstract description 39
- 230000001070 adhesive effect Effects 0.000 claims abstract description 39
- 239000003292 glue Substances 0.000 claims abstract description 37
- 239000002131 composite material Substances 0.000 claims abstract description 34
- 239000000463 material Substances 0.000 claims abstract description 26
- 230000001954 sterilising effect Effects 0.000 claims abstract description 26
- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 24
- 238000001035 drying Methods 0.000 claims abstract description 21
- 229920002521 macromolecule Polymers 0.000 claims abstract description 21
- 238000007789 sealing Methods 0.000 claims abstract description 19
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000000741 silica gel Substances 0.000 claims abstract description 18
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 18
- 229960001866 silicon dioxide Drugs 0.000 claims abstract description 18
- 229920005989 resin Polymers 0.000 claims description 19
- 239000011347 resin Substances 0.000 claims description 19
- -1 acryl Chemical group 0.000 claims description 15
- OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 claims description 14
- 239000012190 activator Substances 0.000 claims description 12
- 239000002313 adhesive film Substances 0.000 claims description 12
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 claims description 11
- 239000005038 ethylene vinyl acetate Substances 0.000 claims description 10
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 9
- 239000004155 Chlorine dioxide Substances 0.000 claims description 7
- 239000004698 Polyethylene Substances 0.000 claims description 7
- 235000019398 chlorine dioxide Nutrition 0.000 claims description 7
- 239000004820 Pressure-sensitive adhesive Substances 0.000 claims description 6
- 239000011230 binding agent Substances 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 6
- 239000002904 solvent Substances 0.000 claims description 6
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 4
- 244000043261 Hevea brasiliensis Species 0.000 claims description 3
- 239000004743 Polypropylene Substances 0.000 claims description 3
- 229920001577 copolymer Polymers 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 229920003052 natural elastomer Polymers 0.000 claims description 3
- 229920001194 natural rubber Polymers 0.000 claims description 3
- 150000007524 organic acids Chemical group 0.000 claims description 3
- 229920001155 polypropylene Polymers 0.000 claims description 3
- 229920002635 polyurethane Polymers 0.000 claims description 3
- 239000004814 polyurethane Substances 0.000 claims description 3
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 claims 2
- DQXBYHZEEUGOBF-UHFFFAOYSA-N but-3-enoic acid;ethene Chemical compound C=C.OC(=O)CC=C DQXBYHZEEUGOBF-UHFFFAOYSA-N 0.000 claims 1
- 235000013305 food Nutrition 0.000 abstract description 9
- 239000007789 gas Substances 0.000 description 20
- 235000013399 edible fruits Nutrition 0.000 description 6
- 229920000573 polyethylene Polymers 0.000 description 6
- 235000013311 vegetables Nutrition 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 229920000728 polyester Polymers 0.000 description 3
- 238000004321 preservation Methods 0.000 description 3
- 238000007639 printing Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000007767 bonding agent Substances 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- KJFMBFZCATUALV-UHFFFAOYSA-N phenolphthalein Chemical compound C1=CC(O)=CC=C1C1(C=2C=CC(O)=CC=2)C2=CC=CC=C2C(=O)O1 KJFMBFZCATUALV-UHFFFAOYSA-N 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000000645 desinfectant Substances 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- HDERJYVLTPVNRI-UHFFFAOYSA-N ethene;ethenyl acetate Chemical compound C=C.CC(=O)OC=C HDERJYVLTPVNRI-UHFFFAOYSA-N 0.000 description 1
- 239000000499 gel Substances 0.000 description 1
- 230000002070 germicidal effect Effects 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 239000011256 inorganic filler Substances 0.000 description 1
- 229910003475 inorganic filler Inorganic materials 0.000 description 1
- 230000002147 killing effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002420 orchard Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
- B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
- B32B3/266—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by an apertured layer, the apertures going through the whole thickness of the layer, e.g. expanded metal, perforated layer, slit layer regular cells B32B3/12
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23B—PRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES, EDIBLE SEEDS; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; THE PRESERVED, RIPENED, OR CANNED PRODUCTS
- A23B7/00—Preservation or chemical ripening of fruit or vegetables
- A23B7/14—Preserving or ripening with chemicals not covered by groups A23B7/08 or A23B7/10
- A23B7/144—Preserving or ripening with chemicals not covered by groups A23B7/08 or A23B7/10 in the form of gases, e.g. fumigation; Compositions or apparatus therefor
- A23B7/152—Preserving or ripening with chemicals not covered by groups A23B7/08 or A23B7/10 in the form of gases, e.g. fumigation; Compositions or apparatus therefor in a controlled atmosphere comprising other gases in addition to CO2, N2, O2 or H2O ; Elimination of such other gases
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- 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
- B32B27/08—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 of synthetic resin
-
- 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
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
-
- 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
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
-
- 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
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/14—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
- B32B37/24—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer not being coherent before laminating, e.g. made up from granular material sprinkled onto a substrate
-
- 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
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/06—Interconnection of layers permitting easy separation
-
- 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
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
-
- 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
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/14—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
- B32B37/24—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer not being coherent before laminating, e.g. made up from granular material sprinkled onto a substrate
- B32B2037/243—Coating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2255/00—Coating on the layer surface
- B32B2255/20—Inorganic coating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2255/00—Coating on the layer surface
- B32B2255/26—Polymeric coating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2255/00—Coating on the layer surface
- B32B2255/28—Multiple coating on one surface
-
- 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
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/714—Inert, i.e. inert to chemical degradation, corrosion
- B32B2307/7145—Rot proof, resistant to bacteria, mildew, mould, fungi
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Food Science & Technology (AREA)
- Polymers & Plastics (AREA)
- Laminated Bodies (AREA)
Abstract
The invention discloses a kind of gas release type composite fresh-keeping pad pasting, including pad pasting main body and non-drying glue layer, non-drying glue layer is arranged in pad pasting main body；Wherein pad pasting main body is Rotating fields, includes release film with holes, composite fresh-keeping coating, silica-gel coating, macromolecule water uptake layer, glue line, sealing coat the most successively；Wherein non-drying glue layer includes adhesive sticker coating, and wherein adhesive sticker coating is arranged on sealing coat.The sterilization gas of this fresh-keeping pad pasting release has adjustability, and sterilization gas is long for deenergized period, the noresidue of food materials surface.
Description
Technical field
The invention belongs to food materials technical field of preservation of fresh, relate to a kind of gas release type composite fresh-keeping film device, the present invention is also
Relate to the preparation method of a kind of gas release type natural complex fresh-keeping film.
Background technology
Along with quickening and the growth in the living standard of Urbanization in China, no matter China's vegetables and fruits demand increases, from
The fruit output starting China in 1993 occupies the first in the world, shows the face, orchard of China in 2014 according to national statistics office data
Amassing is 12371.40 thousand hectares, and vegetable annual production is 73511.99 ten thousand tons, but these vegetables and fruits from peasant's hands to consumer's hands
In it is generally required to through time of 2-4 days.Because the backwardness of preservation technique, will result in substantial amounts of vegetables and fruits during this period and rot, make
Become huge economic loss.
Cause the mainly microorganism that vegetables and fruits rot, chlorine dioxide, C4H6Deng microorganism being had good killing effect.
Currently used preservation technique is all pure gas sterilizing, does not have broad spectrum activity, and does not have controllability, and cycle short grade lacks
Point.
Summary of the invention
It is an object of the invention to provide a kind of gas release type composite fresh-keeping pad pasting.The sterilization gas of this fresh-keeping pad pasting release
Body has adjustability, and sterilization gas is long for deenergized period, the noresidue of food materials surface.
The present invention also aims to provide the preparation method of above-mentioned composite fresh-keeping pad pasting.
It is an object of the invention to be achieved through the following technical solutions:
This gas release type composite fresh-keeping pad pasting, including pad pasting main body and non-drying glue layer, non-drying glue layer is in pad pasting main body
Upper setting；Wherein pad pasting main body is Rotating fields, include the most successively release film with holes, composite fresh-keeping coating, silica-gel coating,
Macromolecule water uptake layer, glue line, sealing coat；Wherein non-drying glue layer includes adhesive sticker coating, and wherein adhesive sticker coating is arranged on
On sealing coat.
Further, the feature of the present invention also resides in:
Wherein the length of pad pasting main body is longer than the length of non-drying glue layer, and the two ends of pad pasting main body all stretch out non-drying glue layer it
Outward.
Release film the most with holes is modified resin.
Material and activator before wherein composite fresh-keeping coating includes binding agent, sterilization.
Wherein binding agent is ethylene-vinyl acetate copolymer, natural rubber or polyurethane adhesive；Before sterilization, material is
C4H6And stability chlorine dioxide；Activator is organic acid.
Wherein before sterilization, the mass ratio of material and bonding agent is 2-5:10, and before activator and sterilization, the mass ratio of material is 1-
2:10；And the front material of sterilization is above activator obtains.
Wherein macromolecule water uptake layer is hydroscopic high-molecular resin, and macromolecule water uptake layer is coated on glue line.
Wherein sealing coat is polyethylene, and the thickness of sealing coat is 0.09mm-0.1mm.
Self-adhesive film is also posted outside wherein adhesive sticker coating is non-solvent type acryl pressure sensitive adhesive, and adhesive sticker coating.
The present invention another solution is that a kind of gas release type meets the preparation method of fresh-keeping pad pasting, and its feature exists
In, comprising the following steps: step 1, coating adhesive sticker coating (8), adhesive sticker coating (8) is non-solvent type acryl pressure sensitive adhesive,
Adhesive sticker coating (8) takes 10 parts by mass fraction；Step 2, coats sealing coat (7), adhesive glue in adhesive sticker coating (8) successively
Layer (6), macromolecule water uptake layer (5), silica-gel coating (4), meet fresh-keeping coating (3) and release film with holes (2)；Wherein glue line
(6) it is EVA resin, takes 10 parts by mass fraction；Wherein macromolecule water uptake layer (5) is hydroscopic high-molecular resin, by mass fraction
Take 10 parts；Wherein silica-gel coating (4) is molten silica gel, takes 10 parts by mass fraction；Wherein composite fresh-keeping coating (3) includes quality
Number is the ethylene-vinyl acetate copolymer of 6 parts and the mixing of citric acid that mass fraction is 2 parts is coated in silica-gel coating (4)
On, then coat stability that ethylene-vinyl acetate copolymer that mass fraction is 20 parts, mass fraction are 4 parts thereon
Chlorine dioxide and the C that mass fraction is 4 parts4H6Mixture；Release film (2) the most with holes be mass fraction be poly-the third of 9.9 parts
Alkene and the calcium carbonate mixing that mass fraction is 0.1 part are coated in composite fresh-keeping coating (3)；Step 3, obtains gas release type symbol
Close fresh-keeping pad pasting.
The invention has the beneficial effects as follows: composite fresh-keeping coating is reacted with macromolecule water uptake layer can discharge sterilization gas,
And owing to macromolecule water uptake layer can control to absorb or release moisture according to ambient humidity, thus realize adjustable germicidal gas flow
Purpose；Release film with holes is used for discharging this sterilization gas, and non-drying glue layer is separated by sealing coat with pad pasting main body, has waterproof
Effect, the correct position that fresh-keeping pad pasting can be fixed on food materials by non-drying glue layer.
Further, the two ends of pad pasting main body are all stretched out outside non-drying glue layer, in the scope that non-drying glue layer is fixing, to the greatest extent
The possible area increasing pad pasting main body, it is possible to discharge more sterilization gas.
Further, release film with holes is modified resin, controls antibacterial by the oxygen gas permeability rate of modified resin
Release concentration and the time.
Further, before sterilization, material and activator can add fast response under the effect of macromolecule water uptake layer, it is possible to
Quickly discharge sterilization gas；Meanwhile, hydroscopic high-molecular resin can keep the balance of food materials microenvironment humidity, food materials humidity
Time high, hydroscopic high-molecular resin absorbs moisture, hydroscopic high-molecular resin release moisture when food materials humidity is low；The process of moisture release
In driven again the release of sterilization gas.
Further, non-drying glue layer can be separated by polyethylene with pad pasting main body, and it has waterproof effect, no
Dry glue pad pasting has iris action to adhesive sticker coating, during use, tears self-adhesive film, can be fixed by adhesive sticker coating
In target location, it is achieved the use that food materials are fresh-keeping.
Beneficial effects of the present invention also resides in: provide the preparation method of above-mentioned gas release type composite fresh-keeping pad pasting, and
And the concrete order providing coating, and the mass fraction of the used material of each coat, and prepared by the method
The composite fresh-keeping pad pasting obtained can discharge gaseous disinfectant 40-100 days of 10-70ppm, simultaneously can auto-control vegetables and fruits wet
Degree.
Accompanying drawing explanation
Fig. 1 is the cross-sectional view of the present invention；
Fig. 2 is the structural representation in Fig. 1 of the present invention at A；
Fig. 3 is the structural representation in Fig. 1 of the present invention at B.
Wherein: 1 is printing layer；2 is release film with holes；3 is composite fresh-keeping coating；4 is silica-gel coating；5 inhale for macromolecule
Water layer；6 is glue line；7 is sealing coat；8 is adhesive sticker coating；9 is self-adhesive film.
Detailed description of the invention
Below in conjunction with the accompanying drawings the present invention is described in further detail:
The invention provides a kind of gas release type composite fresh-keeping pad pasting, as it is shown in figure 1, include pad pasting main body and adhesive sticker
Layer, wherein the length of pad pasting main body is longer than the length of non-drying glue layer, and pad pasting main body two ends are all stretched out outside non-drying glue layer.
As in figure 2 it is shown, pad pasting main body include by layer be sequentially coated at release film 2 with holes together, composite fresh-keeping coating 3,
Silica-gel coating 4, macromolecule water uptake layer 5, glue line 6, sealing coat 7；The another side of release film 2 the most with holes is also coated with printing
Layer 1, printing layer 1 is trade mark or other pattern of graphite air brushing.
Release film 2 the most with holes forms for the blowing of inorganic filler modification resin, and modified resin can be polypropylene, polyethylene
Or polyester.
Material and activator before wherein composite fresh-keeping coating 3 includes binding agent, sterilization；Binding agent is ethene-vinyl acetate
Ester copolymer, natural rubber or polyurethane adhesive；Before sterilization, material is C4H6And stability chlorine dioxide；Activator is organic
Acid；Wherein before sterilization, material accounts for the 20%-50% of bonding agent, preferably 30% or 40%, and activator accounts for the front material of sterilization
10%-20%, preferably 15% or 18%；Wherein the front material of sterilization is on activator.
Wherein silica-gel coating 4 is colloidal sol silicon, for bonding polymer water accepting layer 5 and composite fresh-keeping coating 3；Silica-gel coating 4
The humidity of food materials storage condition is jointly regulated by the telescopic action of its water suction or the process that discharges water and macromolecule water uptake layer 5.
Wherein macromolecule water uptake layer 5 is hydroscopic high-molecular resin, is coated in above glue line 4.
Wherein glue line 6 is EVA resin, bonds together with macromolecule water uptake layer 5 for just sealing coat 7.
Wherein sealing coat 7 is polyethylene, and its thickness is 0.09mm-0.1mm, adhesive sticker coating is separated with pad pasting main body,
There is waterproof effect.
As in figure 2 it is shown, non-drying glue layer includes adhesive sticker coating 8 and self-adhesive film 9, wherein adhesive sticker coating 8 is coated in
On sealing coat 7, self-adhesive film 9 is attached in adhesive sticker coating 8.
Wherein adhesive sticker coating 8 is non-solvent type acryl pressure sensitive adhesive.
Wherein self-adhesive film 9 be used for protecting adhesive sticker coating 8, self-adhesive film 9 be common base stock, Ge Laxin base stock,
Polyester PET art paper or polyethylene, the surface of self-adhesive film 9 is coated with silicon layer, adhesive is had iris action.
The using method of the present invention is, is removed by self-adhesive film 9 during use from adhesive sticker coating 8, both can be by compound
Fresh-keeping pad pasting is fixed up.
The invention also discloses a kind of gas release type and meet the preparation method of fresh-keeping pad pasting, detailed process is:
Step 1, is taken the non-solvent type acryl pressure sensitive adhesive of 10 parts by mass fraction, and uniformly coating forms adhesive sticker coating 8,
The thickness of adhesive sticker coating 8 is 0.09mm；
Step 2, the one side in adhesive sticker coating 8 covers self-adhesive film 9, and self-adhesive film 9 is common base stock, Ge Laxin
Base stock, polyester PET art paper or polyethylene；Then, after being overturn, the another side in adhesive sticker coating 8 covers pad pasting master
Body；
Step 3, coats sealing coat (7), glue line (6), macromolecule water uptake layer (5), silicon in adhesive sticker coating 8 successively
Gel coating (4), meet fresh-keeping coating (3) and release film with holes (2)；Wherein glue line (6) is EVA resin, by mass fraction
Take 10 parts；Wherein macromolecule water uptake layer (5) is hydroscopic high-molecular resin, takes 10 parts by mass fraction；Wherein silica-gel coating (4) is
Molten silica gel, takes 10 parts by mass fraction；Wherein composite fresh-keeping coating (3) includes ethene-vinyl acetate that mass fraction is 6 parts
Ester copolymer and the citric acid mixing that mass fraction is 2 parts are coated on silica-gel coating (4), then coat mass fraction thereon
Be the ethylene-vinyl acetate copolymer of 20 parts, mass fraction is the stability chlorine dioxide of 4 parts and mass fraction is 4 parts
C4H6Mixture；Release film (2) the most with holes be mass fraction be the polypropylene of 9.9 parts and carbonic acid that mass fraction is 0.1 part
Calcium mixing is coated in composite fresh-keeping coating (3).
Step 4, obtains the gas release type composite fresh-keeping pad pasting of the present invention.
Claims (10)
1. a gas release type composite fresh-keeping pad pasting, it is characterised in that including pad pasting main body and non-drying glue layer, non-drying glue layer exists
Arrange in pad pasting main body；
Described pad pasting main body is Rotating fields, includes that release film (2) with holes, composite fresh-keeping coating (3), silica gel are coated with the most successively
Layer (4), macromolecule water uptake layer (5), glue line (6), sealing coat (7)；
Described non-drying glue layer includes adhesive sticker coating (8), and wherein adhesive sticker coating (8) is arranged on sealing coat (7).
Gas release type composite fresh-keeping pad pasting the most according to claim 1, it is characterised in that the length of described pad pasting main body
Longer than the length of non-drying glue layer, and the two ends of pad pasting main body all stretch out outside non-drying glue layer.
Gas release type composite fresh-keeping pad pasting the most according to claim 1, it is characterised in that described release film (2) with holes
For modified resin.
Gas release type composite fresh-keeping pad pasting the most according to claim 1, it is characterised in that described composite fresh-keeping coating
(3) material and activator before binding agent, sterilization is included.
Gas release type composite fresh-keeping pad pasting the most according to claim 4, it is characterised in that described binding agent be ethylene-
Vinyl acetate co-polymer, natural rubber or polyurethane adhesive；Before sterilization, material is C4H6And stability chlorine dioxide；Activate
Agent is organic acid.
Gas release type composite fresh-keeping pad pasting the most according to claim 5, it is characterised in that before described sterilization, material is with viscous
The mass ratio connecing agent is 2-5:10, and the mass ratio of activator material front with sterilization is 1-2:10；And the front material of sterilization is at activator
Above.
Gas release type composite fresh-keeping pad pasting the most according to claim 1, it is characterised in that described macromolecule water uptake layer
(5) being hydroscopic high-molecular resin, macromolecule water uptake layer (5) is coated on glue line (6).
Gas release type composite fresh-keeping pad pasting the most according to claim 1, it is characterised in that described sealing coat (7) is poly-
Ethylene, the thickness of sealing coat is 0.09mm-0.1mm.
Gas release type composite fresh-keeping pad pasting the most according to claim 1, it is characterised in that described adhesive sticker coating (8)
For non-solvent type acryl pressure sensitive adhesive, and adhesive sticker coating (8) the most also posts self-adhesive film (9).
10. a gas release type meets the preparation method of fresh-keeping pad pasting, it is characterised in that comprise the following steps:
Step 1, coating adhesive sticker coating (8), adhesive sticker coating (8) is non-solvent type acryl pressure sensitive adhesive, adhesive sticker coating (8)
10 parts are taken by mass fraction；
Step 2, coats sealing coat (7), glue line (6), macromolecule water uptake layer (5), silica gel in adhesive sticker coating (8) successively
Coating (4), meet fresh-keeping coating (3) and release film with holes (2)；Wherein glue line (6) is EVA resin, takes by mass fraction
10 parts；Wherein macromolecule water uptake layer (5) is hydroscopic high-molecular resin, takes 10 parts by mass fraction；Wherein silica-gel coating (4) is molten
Silica gel, takes 10 parts by mass fraction；Wherein composite fresh-keeping coating (3) includes ethylene-vinyl acetate that mass fraction is 6 parts
Copolymer and the mixing of citric acid that mass fraction is 2 parts are coated on silica-gel coating (4), then coat thereon and by mass fraction be
The ethylene-vinyl acetate copolymer of 20 parts, mass fraction are the stability chlorine dioxide of 4 parts and C that mass fraction is 4 parts4H6
Mixture；Release film (2) the most with holes be mass fraction be the polypropylene of 9.9 parts and calcium carbonate that mass fraction is 0.1 part
Mixing is coated in composite fresh-keeping coating (3)；
Step 3, obtains gas release type and meets fresh-keeping pad pasting.
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| CN201610730017.1A CN106182972A (en) | 2016-08-25 | 2016-08-25 | A kind of gas release type natural complex fresh-keeping film and preparation method thereof |
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Effective date of registration: 20170308 Address after: 100080 Haidian Haidian District Beijing street, No. 5, layer 5018, 1 Applicant after: Beijing Blass Biotechnology Co., Ltd. Address before: Rice 710000 Yuan Nan Xiang Lianhu District in Shaanxi province Xi'an City No. 4 3 unit 3 floor No. 3 Applicant before: Ma Mingqiang |
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