CN107760198A - A kind of smears and preparation method thereof, using the preparation method of the packing box of the smears, and packing box - Google Patents
A kind of smears and preparation method thereof, using the preparation method of the packing box of the smears, and packing box Download PDFInfo
- Publication number
- CN107760198A CN107760198A CN201610674721.XA CN201610674721A CN107760198A CN 107760198 A CN107760198 A CN 107760198A CN 201610674721 A CN201610674721 A CN 201610674721A CN 107760198 A CN107760198 A CN 107760198A
- Authority
- CN
- China
- Prior art keywords
- weight
- food
- grade
- smears
- packing box
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D191/00—Coating compositions based on oils, fats or waxes; Coating compositions based on derivatives thereof
- C09D191/06—Waxes
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H19/00—Coated paper; Coating material
- D21H19/10—Coatings without pigments
- D21H19/14—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12
- D21H19/18—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12 comprising waxes
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H19/00—Coated paper; Coating material
- D21H19/10—Coatings without pigments
- D21H19/14—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12
- D21H19/20—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12 comprising macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H19/00—Coated paper; Coating material
- D21H19/10—Coatings without pigments
- D21H19/14—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12
- D21H19/20—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12 comprising macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D21H19/22—Polyalkenes, e.g. polystyrene
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Packages (AREA)
- Packging For Living Organisms, Food Or Medicinal Products That Are Sensitive To Environmental Conditiond (AREA)
Abstract
The invention discloses a kind of smears, it is characterised in that by food-grade paraffin wax, food grade microcrystal paraffin, ethylene-vinyl acetate copolymer, polyethylene and styrene-isoprene-styrene block copolymer composition.Smears of the present invention is used to be coated with packing box, realizes packing box waterproof and breathable and fresh-keeping effect.
Description
Technical field
The present invention relates to Food Packaging technology field, more particularly to a kind of Water-proof exhausting smears, the preparation of the smears
Method, using the preparation method of the packing box of the smears and the packing box.
Background technology
Compress in the packaging of meat foods and mainly use special Water-proof exhausting fresh-keeping foodstuff level waxing box, be
Long-term storage, fresh-keeping requirement can be reached, requirement of such compression frozen food to packaging is very strict, it is desirable to which absolute waterproof is prevented
Tide, the food product gas that can only be vented after being unable to air inlet, compression freezing are completely exhausted out, with the bright and clean smooth nothing of packing box contact surface
Pit is simultaneously easily peeled off.
The technical requirements following points of Water-proof exhausting fresh-keeping foodstuff waxing box product：
It is 1. waterproof and dampproof
Interior bag meat product water content itself is larger, and processing and packing storage is even more the job shop and freezer in low temperature and moisture
In environment, very high is required to the waterproof moisture-proof effect of packaging.
2. exhaust is fresh-keeping
The circulation of air, which can take away the moisture content that meat product contains in itself, aoxidizes food air drying, reduces the shelf-life, therefore use
The interior bag product gas of packing box will completely exclude and can not air inlet again.
3. security
Packing box directly contacts with meat product, the coming off of Water-proof exhausting immersion coating, dissolves and CBA pyroreaction
Residuals afterwards can bring secondary pollution to food.
In the market to realize that it is as follows that coating agent prescription that the Water-proof exhausting fresh-keeping function of such packing box uses has
It is several：
A. paraffin+CBA is concocted
Its composition forms：Food-grade paraffin wax 50%, food grade microcrystal paraffin 30%, ethylene-vinyl acetate copolymer 10%, polyethylene
7%th, benzoic acid 3%.
Its defect is：Residuals of the benzoic acid after pyroreaction contact with interior bag meat product, can bring secondary dirt
Dye.
B. extraordinary emulsifying wax
Its composition forms：Water 48%, paraffin 43%, stearic acid 4%, sodium chloride 5%.
Its defect is：This formula composition is waterborne polymeric, after its coating contacts with interior bag meat product, absorbs moisture content
Dissolving, will bring secondary pollution.
The manufacturing process of Traditional Packing box:, will be dissolved with CO from suitable base material2Coating agent on base material, apply
During cloth, CO2Discharged after heated, leave space, but the wax that space is flowed rapidly is filled and led up, and gas permeability is unstable, nothing
Method really realizes exhaust effect.
The content of the invention
In order to solve the problems of the prior art, it is an object of the invention to provide a kind of smears, the smears is prepared
Method, the packing box made using the smears and preparation method.
To achieve the above object, the present invention uses following technical scheme：A kind of smears, it is characterised in that by food-grade
Paraffin, food grade microcrystal paraffin, ethylene-vinyl acetate copolymer, polyethylene and styrene-isoprene-phenylethene block copolymerization
Thing forms.
Wherein, described smears is by 55-65 weight % food-grade paraffin wax, 15-25 weight % food grade microcrystal paraffin, 5-
15 weight % ethylene-vinyl acetate copolymer, 3-7 weight % polyethylene, 3-7 weight % styrene-isoprene-benzene second
Alkene block copolymer forms.
Preferably, described smears is by 60 weight % food-grade paraffin wax, 20 weight % food grade microcrystal paraffin, 10 weights
% ethylene-vinyl acetate copolymer, 5 weight % polyethylene are measured, 5 weight % styrene-isoprene-phenylethene block is total to
Polymers forms.
A kind of preparation method of smears, it is characterised in that comprise the following steps：
S1, weigh 55-65 weight % food-grade paraffin wax, 15-25 weight % food grade microcrystal paraffin, 5-15 weight % ethene-vinegar
Sour ethylene copolymer, 3-7 weight % polyethylene and 3-7 weight % SIS；
S2, food-grade paraffin wax and microwax are put into reactor, 120 DEG C are heated to, to food-grade paraffin wax and food grade microcrystal paraffin
Stirred 15 minutes after being completely melt；
S3, ethylene-vinyl acetate copolymer is sequentially added into S2, and polyethylene and styrene-isoprene-phenylethene block are total to
Polymers, stirred 30 minutes after being completely melt.
A kind of packing box, it is characterised in that including base paper, drikold layer and the smears being coated in base paper
Layer.
Preferably, for described coating oxidant layer by 55-65 weight % food-grade paraffin wax, 15-25 weight % food-grade is micro-
Brilliant wax, 5-15 weight % ethylene-vinyl acetate copolymer, 3-7 weight % polyethylene, 3-7 weight % styrene-isoamyl two
Alkene-styrene block copolymer composition.
Preferably, described coating oxidant layer is by 60 weight % food-grade paraffin wax, 20 weight % food grade microcrystal paraffin, and 10
Weight % ethylene-vinyl acetate copolymer, 5 weight % polyethylene, 5 weight % styrene-isoprene-phenylethene block
Copolymer forms.
A kind of preparation method of packing box, it is characterised in that comprise the following steps:
S1, the sprinkle solid carbon dioxide particle in base paper；
S2, the base paper coating smears after S1 is handled.
Using such scheme：First apply and spill solid carbon dioxide particle, be coated smears, carbon dioxide particle absorbs coating
Expanded after the heat of agent, top opens coating oxidant layer and forms air-vent, is solidified after smears release heat, rather than levelling effect, breathes freely
Hole is stable, and air permeable effect is good.
Preferably, the weight ratio of the drikold and smears is 1:1.
Preferably, described smears is by 55-65 weight % food-grade paraffin wax, 15-25 weight % food-grade crystallite
Wax, 5-15 weight % ethylene-vinyl acetate copolymer, 3-7 weight % polyethylene, 3-7 weight % styrene-isoprene-
Styrene block copolymer forms.
Preferably, described coating oxidant layer is by 60 weight % food-grade paraffin wax, 20 weight % food grade microcrystal paraffin, and 10
Weight % ethylene-vinyl acetate copolymer, 5 weight % polyethylene, 5 weight % styrene-isoprene-phenylethene block
Copolymer forms.
In summary, smears of the present invention is used to be coated with packing box, realizes packing box waterproof and breathable and fresh-keeping effect, and
And packing box and adhesion after the freezing of interior bag meat product are neither big nor small, not only it is beneficial to peel off but also has certain adhesion bonding, it is complete
The entrance of full isolation air, makes the extended shelf-life of interior bag food, and long-term storage will not occur to air-dry dehydrating phenomena；In addition, this
The without explosion danger of packing box after invention coating agent, corrosivity, without bag food in the pollution of any residue, security
It is good.
Brief description of the drawings
The present invention is further described below in conjunction with the drawings and specific embodiments：
Fig. 1 is the structural representation of packing box of the present invention.
Embodiment
Embodiment 1
S1, weigh 55g food-grade paraffin wax, 16g food grade microcrystal paraffins, 15g ethylene-vinyl acetate copolymers, 7g polyethylene and 7g
SIS；
S2, food-grade paraffin wax and food grade microcrystal paraffin are put into reactor, 120 DEG C are heated to, to food-grade paraffin wax and food-grade
Microwax stirs 15 minutes after being completely melt；
S3, ethylene-vinyl acetate copolymer is sequentially added into S2, and polyethylene and styrene-isoprene-phenylethene block are total to
Polymers, stirred 30 minutes after being completely melt.
Embodiment 2
S1, weigh 60g food-grade paraffin wax, 20g food grade microcrystal paraffins, 10g ethylene-vinyl acetate copolymers, 5g polyethylene and 5g
SIS；
S2, food-grade paraffin wax and food grade microcrystal paraffin are put into reactor, 120 DEG C are heated to, to food-grade paraffin wax and food-grade
Microwax stirs 15 minutes after being completely melt；
S3, ethylene-vinyl acetate copolymer is sequentially added into S2, and polyethylene and styrene-isoprene-phenylethene block are total to
Polymers, stirred 30 minutes after being completely melt.
Embodiment 3
S1, weigh 65g food-grade paraffin wax, 24g food grade microcrystal paraffins, 5g ethylene-vinyl acetate copolymers, 3g polyethylene and 3g benzene
Ethene-isoprene-styrene block copolymer；
S2, food-grade paraffin wax and food grade microcrystal paraffin are put into reactor, 120 DEG C are heated to, to food-grade paraffin wax and food-grade
Microwax stirs 15 minutes after being completely melt；
S3, ethylene-vinyl acetate copolymer is sequentially added into S2, and polyethylene and styrene-isoprene-phenylethene block are total to
Polymers, stirred 30 minutes after being completely melt.
Embodiment 4
S1, weigh 56g food-grade paraffin wax, 15g food grade microcrystal paraffins, 15g ethylene-vinyl acetate copolymers, 7g polyethylene and 7g
SIS；
S2, food-grade paraffin wax and food grade microcrystal paraffin are put into reactor, 120 DEG C are heated to, to food-grade paraffin wax and food-grade
Microwax stirs 15 minutes after being completely melt；
S3, ethylene-vinyl acetate copolymer is sequentially added into S2, and polyethylene and styrene-isoprene-phenylethene block are total to
Polymers, stirred 30 minutes after being completely melt.
Above-mentioned food-grade paraffin wax can meet the requirement of smears of the present invention using 52,54,56,58 trades mark, but work as and adopt
It is more preferable with the compounding effect of microwax during with 58# food-grade paraffin wax, with the coating agent of the formula preparation when on base material,
Water resistance is excellent, and during aquatic food and follow-up storage is loaded, packing box will not produce blackening phenomena.
Such as the structural representation that Fig. 1 is packing box of the present invention, including base paper 1, the drikold being coated in base paper 1
Layer 3 and coating oxidant layer 2.The smears being coated with oxidant layer 2 is smears prepared by 1,2,3,4 any one embodiment of embodiment.
The preparation method of above-mentioned packing box, comprises the following steps:
S1, the sprinkle solid carbon dioxide particle in base paper 1；
S2, the base paper coating smears after S1 is handled.
Solid carbon dioxide particle absorbs the heat gasification of smears, discharges from packing box surface, is reserved on smears
Hole, the smears solidification of heat is discharged, fixed air-vent is formed on packing box, is breathed freely stable.
Packing box of the present invention is subjected to waterproof, breathed freely, the detection of fresh keeping property.
1. water resistance detection method
By packing box of the present invention load aquatic food, the load time is 7-30 minutes, by observe packing box whether can blackening come
Judge water resistance.
2. permeability detection method
Packing box of the present invention is loaded into aquatic food, is compressed and freezed using flat board refrigerator, meat is become into a jelly block, passes through sight
Examine whether meat jelly block surface has hole to judge the gas permeability of packing box.
3. fresh-keeping and bond properties detection method
Packing box of the present invention is loaded into aquatic food, is compressed and freezed using flat board refrigerator, meat is become into a jelly block, passes through sight
The tacky state of meat jelly block and packing box is examined to judge the fresh-keeping and bond properties of packing box.
Packing box after the smears processing prepared with embodiment 1,2,3,4, its waterproof, ventilative and cohesive
Can be as shown in table 1.
。
After packing box of the present invention loads aquatic food, compressed and freezed using flat board refrigerator, in compression process, inside the flesh of fish
Moisture be extruded, moisture is filled to flesh of fish space and sunk part, and the gas of fillet space and sunk part passes through packing box
Air-vent extruding discharge, meat jelly block surface is not in residual gas and stomata occurs, discharges the meat jelly block of gas due to subtracting
Air circulation is lacked, fresh keeping time is longer.
The meat jelly block that packing box of the present invention loads, bonded with packing box, reduce package interior space, reduce air circulation
Oxidation caused by taking away moisture and the possibility in meat jelly block, keeps meat jelly block original local flavor；Meat jelly block is easily peelable with packing box, keeps away
Exempt from meat jelly block to shell broken by box during subsequently stripping box and residual fragment occur, influence meat jelly block quality.
Above-mentioned embodiment is exemplary, is to preferably make skilled artisans appreciate that originally
Patent, it is impossible to be not understood as the limitation for including scope to this patent；As long as times made of spirit according to disclosed in this patent
How with change or modification, the scope that this patent includes is each fallen within.
Claims (10)
1. a kind of smears, it is characterised in that by food-grade paraffin wax, food grade microcrystal paraffin, ethylene-vinyl acetate copolymer, gather
Ethene and SIS composition.
2. smears as claimed in claim 1, it is characterised in that described smears by 55-65 weight % food-grade stone
Wax, 15-25 weight % food grade microcrystal paraffin, 5-15 weight % ethylene-vinyl acetate copolymer, 3-7 weight % polyethylene,
3-7 weight % SIS composition.
3. smears as claimed in claim 2, it is characterised in that described smears by 60 weight % food-grade paraffin wax, 20
Weight % food grade microcrystal paraffin, 10 weight % ethylene-vinyl acetate copolymer, 5 weight % polyethylene, 5 weight % benzene second
Alkene-isoprene-styrene block copolymer composition.
4. a kind of preparation method of smears, it is characterised in that comprise the following steps：
S1, weigh 55-65 weight % food-grade paraffin wax, 15-25 weight % food grade microcrystal paraffin, 5-15 weight % ethene-vinegar
Sour ethylene copolymer, 3-7 weight % polyethylene and 3-7 weight % SIS；
S2, food-grade paraffin wax and food grade microcrystal paraffin are put into reactor, 120 DEG C are heated to, to food-grade paraffin wax and food-grade
Microwax stirs 15 minutes after being completely melt；
S3, ethylene-vinyl acetate copolymer is sequentially added into S2, and polyethylene and styrene-isoprene-phenylethene block are total to
Polymers, stirred 30 minutes after being completely melt.
5. a kind of packing box, it is characterised in that including base paper（1）, it is coated on base paper（1）On drikold layer（3）With
It is coated with oxidant layer（2）.
6. packing box as claimed in claim 5, it is characterised in that described coating oxidant layer（2）By 55-65 weight % food
Level paraffin, 15-25 weight % food grade microcrystal paraffin, 5-15 weight % ethylene-vinyl acetate copolymer, 3-7 weight % poly- second
Alkene, 3-7 weight % SIS composition.
7. packing box as claimed in claim 6, it is characterised in that described coating oxidant layer（2）By 60 weight % food-grade stone
Wax, 20 weight % food grade microcrystal paraffin, 10 weight % ethylene-vinyl acetate copolymer, 5 weight % polyethylene, 5 weight %'s
SIS forms.
8. a kind of preparation method of packing box, it is characterised in that comprise the following steps:
S1, in base paper（1）Upper sprinkle solid carbon dioxide particle；
S2, the base paper after S1 is handled（1）It is coated with smears.
9. the preparation method of packing box as claimed in claim 8, it is characterised in that the drikold and smears
Weight ratio is 1:1.
10. the preparation method of packing box as claimed in claim 8, it is characterised in that described smears is by 55-65 weight %
Food-grade paraffin wax, 15-25 weight % food grade microcrystal paraffin, 5-15 weight % ethylene-vinyl acetate copolymer, 3-7 weight %
Polyethylene, 3-7 weight % SIS composition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610674721.XA CN107760198B (en) | 2016-08-17 | 2016-08-17 | Coating agent and preparation method thereof, packaging box adopting coating agent and manufacturing method of packaging box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610674721.XA CN107760198B (en) | 2016-08-17 | 2016-08-17 | Coating agent and preparation method thereof, packaging box adopting coating agent and manufacturing method of packaging box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107760198A true CN107760198A (en) | 2018-03-06 |
| CN107760198B CN107760198B (en) | 2021-04-20 |
Family
ID=61259639
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610674721.XA Active CN107760198B (en) | 2016-08-17 | 2016-08-17 | Coating agent and preparation method thereof, packaging box adopting coating agent and manufacturing method of packaging box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107760198B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112030599A (en) * | 2020-09-02 | 2020-12-04 | 上海金星包装材料有限公司 | Blending wax for coating aquatic product packaging boxes and preparation method thereof |
| CN113881339A (en) * | 2021-09-10 | 2022-01-04 | 盐城工学院 | Preparation method of special waterproof packaging wax |
| CN115558425A (en) * | 2022-11-01 | 2023-01-03 | 苏州海迈汽车防护材料有限公司 | Antirust wax and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB983829A (en) * | 1963-08-07 | 1965-02-17 | Sun Oil Co | Coating composition containing wax, thermoplastic petroleum resin and ethylene-vinyl acetate copolymer |
| CN1051704A (en) * | 1989-11-07 | 1991-05-29 | 埃克森化学专利公司 | The attaching packaging film of used for packaging food |
| CN101333414A (en) * | 2008-08-05 | 2008-12-31 | 无锡信达胶脂材料有限公司 | Coatings wax of high melting point and method for preparing same |
-
2016
- 2016-08-17 CN CN201610674721.XA patent/CN107760198B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB983829A (en) * | 1963-08-07 | 1965-02-17 | Sun Oil Co | Coating composition containing wax, thermoplastic petroleum resin and ethylene-vinyl acetate copolymer |
| CN1051704A (en) * | 1989-11-07 | 1991-05-29 | 埃克森化学专利公司 | The attaching packaging film of used for packaging food |
| CN101333414A (en) * | 2008-08-05 | 2008-12-31 | 无锡信达胶脂材料有限公司 | Coatings wax of high melting point and method for preparing same |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112030599A (en) * | 2020-09-02 | 2020-12-04 | 上海金星包装材料有限公司 | Blending wax for coating aquatic product packaging boxes and preparation method thereof |
| CN113881339A (en) * | 2021-09-10 | 2022-01-04 | 盐城工学院 | Preparation method of special waterproof packaging wax |
| CN115558425A (en) * | 2022-11-01 | 2023-01-03 | 苏州海迈汽车防护材料有限公司 | Antirust wax and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107760198B (en) | 2021-04-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107760198A (en) | A kind of smears and preparation method thereof, using the preparation method of the packing box of the smears, and packing box | |
| JP2687191B2 (en) | Film containing mobility modifier | |
| Chen et al. | Development of moisture‐absorbing and antioxidant active packaging film based on poly (vinyl alcohol) incorporated with green tea extract and its effect on the quality of dried eel | |
| US4073782A (en) | Wrapping film | |
| CN101811596B (en) | Edible polysaccharide-protein composite packaging film and preparation method thereof | |
| Torres | Edible films and coatings from proteins | |
| FI100510B (en) | shrink film | |
| TW200628535A (en) | Polyolefin compositions and permeable films therefrom | |
| JP2001504875A (en) | Films useful for improved atmosphere packaging of perishable foods | |
| BRPI0619285A2 (en) | perforated film, packaging, method for forming a perforated film and method for filling a package with powdery merchandise | |
| CN105602012B (en) | A kind of degradable film for package, preparation method and application | |
| JP2000502016A (en) | A new bag for packaging fluids in bags | |
| JPH11513345A (en) | A new pouch for packaging fluids | |
| US20160326324A1 (en) | Polymer/potassium permanganate composite film and preparation method thereof | |
| WO1997036798A1 (en) | Modifier transfer film and method of cooking a food product | |
| CN114901736A (en) | Multi-layer water-dispersible article | |
| RU2334767C2 (en) | Barrier layered film | |
| CN113843937B (en) | Migration-resistant hydrogel-based freshness colorimetric indication label and preparation method thereof | |
| CN110749544A (en) | Rapid selection method for inner glue of aluminum plastic film of lithium battery | |
| CN106720237A (en) | A kind of fresh keeping pad for fruit | |
| BR112020026892A2 (en) | PROCESS TO PRODUCE A FRIABLE Bale | |
| ITMI940015A1 (en) | FILM EQUIPPED WITH HIGH ANTI-CONDENSATION PROPERTIES METHOD FOR PACKAGING PRODUCTS WITH HIGH HUMIDITY CONTENT AND PRODUCTS SO PACKAGED | |
| FR3048380A1 (en) | ||
| CN108749183A (en) | A kind of whey protein concentrate/Cross-linked Wheat Starch edible film and its preparation method with kraft compounded material | |
| JP2940939B2 (en) | Multilayer film |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |