CN106241061A - A kind of controlled atmospheric packing bag - Google Patents
A kind of controlled atmospheric packing bag Download PDFInfo
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- CN106241061A CN106241061A CN201610817677.3A CN201610817677A CN106241061A CN 106241061 A CN106241061 A CN 106241061A CN 201610817677 A CN201610817677 A CN 201610817677A CN 106241061 A CN106241061 A CN 106241061A
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- atmospheric packing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
- B65D81/18—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient
- B65D81/20—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient under vacuum or superatmospheric pressure, or in a special atmosphere, e.g. of inert gas
- B65D81/2069—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient under vacuum or superatmospheric pressure, or in a special atmosphere, e.g. of inert gas in a special atmosphere
- B65D81/2084—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient under vacuum or superatmospheric pressure, or in a special atmosphere, e.g. of inert gas in a special atmosphere in a flexible container
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- 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
- A23B4/00—General methods for preserving meat, sausages, fish or fish products
- A23B4/14—Preserving with chemicals not covered by groups A23B4/02 or A23B4/12
- A23B4/16—Preserving with chemicals not covered by groups A23B4/02 or A23B4/12 in the form of gases, e.g. fumigation; Compositions or apparatus therefor
-
- 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
-
- 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
- B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
- B32B27/20—Layered products comprising a layer of synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
- B65D81/24—Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K3/00—Materials not provided for elsewhere
- C09K3/18—Materials not provided for elsewhere for application to surfaces to minimize adherence of ice, mist or water thereto; Thawing or antifreeze materials for application to surfaces
-
- 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
- B32B2307/30—Properties of the layers or laminate having particular thermal properties
- B32B2307/304—Insulating
-
- 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
- B32B2307/71—Resistive to light or to UV
-
- 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
- B32B2307/724—Permeability to gases, adsorption
- B32B2307/7242—Non-permeable
-
- 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
- B32B2307/73—Hydrophobic
-
- 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
- B32B2439/00—Containers; Receptacles
- B32B2439/70—Food packaging
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Food Science & Technology (AREA)
- General Chemical & Material Sciences (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Polymers & Plastics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Combustion & Propulsion (AREA)
- Materials Engineering (AREA)
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- Packages (AREA)
Abstract
The invention discloses a kind of controlled atmospheric packing bag, belong to packaging bag field.A kind of controlled atmospheric packing bag of the present invention, including wrapping film, described wrapping film includes film and lower film, fixing connection at described upper film and lower film top, junction is airtight air tight, forms glove cavity, be provided with suction nozzle at described wrapping film one drift angle in described upper film and lower film, described suction nozzle is fixing with wrapping film to be connected, and described suction nozzle connects with glove cavity.A kind of controlled atmospheric packing bag of the present invention has and can accurately regulate gas in packaging bag, during filling various mixed gases, different gas the most quantitatively can be filled, and there is good thermal insulation and seal, ensure that during long-time preservation, in controlled atmospheric packing bag, gas formation does not changes, and has certain water-retaining property simultaneously, it is possible to ensure the feature of cold fresh meat.
Description
Technical field
The present invention relates to a kind of packaging bag, particularly a kind of controlled atmospheric packing bag.
Background technology
Cold fresh meat compares chilled meat and Fresh meat has many good qualities: safety and sanitation, takes conveniently, along with foods supervision system
Scientific and technical the making rapid progress of increasingly mature and related check, people the most not only rest on sense organ product to the requirement of meat product
In matter, and understand meat products quality with being desirable to qualitative, quantitative.Cold fresh meat be organized in during preservation can because of spontaneity change or
The effect of person's extraneous factor and destroy the quality of cold fresh meat, generally, cold fresh meat use controlled atmospheric packing to keep it bright in colour and
Meat fresh.In cold fresh meat produces packaging process, existing controlled atmospheric packing bag is at seal, and all can not in thermal insulation
Reach superperformance, when transport, external environment the change brought, the preservation on cold fresh meat brings impact so that
The carrying out of the fat oxidation reaction of cold fresh meat and cause cold fresh meat to become sour, and then distribute the astringent taste of corruption, stink, destroying meat
Also result in the appearance of meat surface brown stain while quality and nutritive value, destroy the original local flavor of meat, shorten cold fresh meat
Shelf-life, also can be detrimental to health.
Summary of the invention
The goal of the invention of the present invention is: for the problem of above-mentioned existence, it is provided that gas in packaging bag can be entered by one
Row accurately regulation, during filling various mixed gases, it is possible to the most quantitatively filled by different gas, and has good
Thermal insulation and seal, it is possible to ensure that in controlled atmospheric packing bag, gas formation does not changes, simultaneously during long-time preservation
There is certain water-retaining property, it is possible to ensure the controlled atmospheric packing bag of the color of cold fresh meat.
The technical solution used in the present invention is as follows:
One controlled atmospheric packing bag of the present invention, including wrapping film, described wrapping film includes film and lower film, described upper film and under
Fixing connection at film top, junction is airtight air tight, forms glove cavity, described outer package in described upper film and lower film
Being provided with suction nozzle at film one drift angle, described suction nozzle is fixing with wrapping film to be connected, and described suction nozzle connects with glove cavity.
Owing to have employed technique scheme, after cold fresh meat is put into controlled atmospheric packing bag, upper film and lower film phonograph seal are connected
After connecing, by suction nozzle, the gas formation in controlled atmospheric packing bag is adjusted, it is possible to use different gas for different meats
Body structure is packed, and meets the demand of Different Package.
A kind of controlled atmospheric packing bag of the present invention, described suction nozzle and wrapping film connecting place are formed outside the first outer wall and second
Wall, the thickness of described first outer wall is equal to the thickness of the second outer wall, and the thickness of described first outer wall and the second outer wall is less than connecting
The thickness at place.
Owing to have employed technique scheme, the first outer wall and the thinner thickness of the second outer wall so that gas enters smoothly
Enter in packaging bag, along with in packaging bag, gas increases so that packaging bag expands uniformly.
A kind of controlled atmospheric packing bag of the present invention, described valve includes Liang Zuibi, is provided with inlet channel between described two gas walls,
Described inlet channel connects with glove cavity, has cavity, be provided with air bag in described cavity in the middle part of described mouth wall.
Owing to have employed technique scheme, the first outer wall and the second outer wall is coordinated further to ensure gas by air bag
Entering in packaging bag smoothly, the phenomenon filling broken bag in encapsulation process produces, and can reach at the gas in packaging bag simultaneously
To time saturated, air bag is produced extruding so that airbag inflation, force suction nozzle automatically from filling ejection mouth.
A kind of controlled atmospheric packing bag of the present invention, is filled with noble gas, the size of described air bag internal gas pressure in described air bag
For 142.13kPa.
Owing to have employed technique scheme, the air pressure size in air bag is slightly larger than normal atmosphere, in actual applications,
Suction nozzle can not be ejected from filling mouth by 1 normal atmosphere timely automatically, and above-mentioned air pressure is for suitably from ejecting air pressure.
A kind of controlled atmospheric packing bag of the present invention, described mouth wall is fabricated from a flexible material, and described suction nozzle outer wall side has
Inclined-plane, described inclined-plane and horizontal direction have 65 ° of angles.
Owing to have employed technique scheme, inclined-plane can coordinate air bag to be easy to the automatic spring of suction nozzle.
A kind of controlled atmospheric packing bag of the present invention, the diameter in the middle part of described inlet channel is less than the diameter at two ends, described air inlet
The narrowest place of channel middle is provided with gas block panel, and described gas block panel one end is flexibly connected with inlet channel sidewall, and described gas block panel can
With junction point for midpoint swung downward, the length of described gas block panel is more than inlet channel mid diameter.
Owing to have employed technique scheme, gas block panel is it can be avoided that gas overflowing in packaging bag, it is possible to more accurate
The gas formation in packaging bag is adjusted, by several times multiple different gas filling is entered in packaging bag, and does not worries
In the gap of ventilation, gas overflowing affects the gas formation in controlled atmospheric packing, and color and luster and preservation to cold fresh meat impact.
A kind of controlled atmospheric packing bag of the present invention, described wrapping film surface is provided with line of cut, and described line of cut is by outer package
Film is divided into two parts, and described line of cut is by suction nozzle, and the first outer wall and the second outer wall are divided in a part.
Owing to have employed technique scheme, after completing regulating QI process, along line of cut, upper film and lower film phonograph seal are connected
After, then along line of cut, the Partial Resections such as suction nozzle can be fallen by packaging bag cutting, exempt during transport, selling, to bag
Fill impact attractive in appearance.
A kind of controlled atmospheric packing bag of the present invention, upper film and the lower film of wrapping film are respectively provided with multilayer laminar structure, described layer
Shape structure from down to be followed successively by waterproof layer, light shield layer, thermal insulation layer and compacted zone, the compacted zone of described upper film and the densification of lower film
Layer is connected.
Owing to have employed technique scheme, by waterproof layer, light shield layer, thermal insulation layer it can be avoided that extraneous steam, illumination,
The variations in temperature impact on cold fresh meat, extends the holding time of cold fresh meat, and compacted zone intermolecular distance is little, it is possible to ensure controlled atmospheric packing
Gas molecule in Dai will not be excessive, and the gas formation in packaging bag will not change.
A kind of controlled atmospheric packing bag of the present invention, described waterproof layer by 20 parts of urethane acrylates of mass parts, 37
Part tin-antiomony oxide, 34 parts of gel of calcium silicate, 28 parts of sodium methyl silicates, 46 parts of pentanediol phosphate esters, 21 parts of poly-virtues two
Azoles, 25 parts of Si-Al-C-O fibers and 34 parts of water-soluble polymer compositions, the molecular formula of described water-soluble polymer is；Described light shield layer is by 8 parts of nano titanium oxides of mass parts, 16 parts of oxybenzenes
Isobutyl ester, 8 parts of carbon nano-fibers, 17 parts of Al2O3-SiO2Fiber, 26 parts of polyacrylic acid and 23 parts of polypropylene compositions, described heat insulation
Layer is by 11 parts of aqueous polyurethanes of mass parts, 19 parts of compound NiO-TiO2, 4 parts of BiOBr, 17 parts of Hydroxypropyl methacrylates, 15 parts
Fluoroalkyl base ester, 20 parts of polypropylene and 30 parts of urethane acrylate compositions, described compacted zone is by 52 parts of poly-second of mass parts
Enol, 25 parts of paraffin microcapsules, 11 part 3,3 '-4,4 '-benzophenone tetracarboxylic dianhydride, 13 part 4,4 '-diaminodiphenyl ether and 30 parts
Hexadecane epoxide connection alkene composition.
Owing to have employed technique scheme, waterproof layer not only has water resistance, also has certain hydrophobicity, molecule
Will not at surface aggregation, and on waterproof layer surface by slightly scratch time, it is possible to automatically repair, it is to avoid steam etc. invasion packaging bag
Internal.
Thermal insulation layer has good uv blocking performance, and light transmittance is 1.44%, and UV transmitance is 0.97%, rises in ambient temperature
After 8 DEG C, its internal temperature only rises 0.93 DEG C, it is possible to effectively avoid ambient temperature to rise, and causes cold fresh meat corrupt.
Compacted zone has good airtight performance, the gas in packaging bag, and after 15d, number of dropouts is only 0.04%.
A kind of controlled atmospheric packing bag of the present invention, the thickness of described waterproof layer is 17.4 μm, and the thickness of described light shield layer is
240nm, the thickness of described thermal insulation layer is 2.7mm, and the thickness of described compacted zone is 50.3 μm.
Owing to have employed technique scheme, above-mentioned thickness is sufficient for the transport of cold fresh meat, the cold fresh packaging of storage process
Performance, balance cost and performance.
In sum, owing to have employed technique scheme, the invention has the beneficial effects as follows:
1, gas in packaging bag accurately can be regulated, during filling various mixed gases, it is possible to by different gas
Body the most quantitatively fills, and has good thermal insulation and seal, it is possible to ensure during long-time preservation, controlled atmospheric packing
In bag, gas formation does not changes, and has certain water-retaining property, it is possible to ensure the color of cold fresh meat simultaneously.
2, can more accurately the gas formation in packaging bag be adjusted, by several times by multiple different gas filling
Enter in packaging bag, and do not worry that, in the gap of ventilation, gas overflowing affects the gas formation in controlled atmospheric packing, and light transmittance is
1.44%, UV transmitance is 0.97%, and after ambient temperature rises 8 DEG C, its internal temperature only rises 0.93 DEG C, the gas in packaging bag
Body, after 15d, number of dropouts is only 0.04%.
Accompanying drawing explanation
Fig. 1 is a kind of controlled atmospheric packing bag structural representation；
Fig. 2 is suction nozzle structural representation；
Fig. 3 is wrapping film structural representation.
Labelling in figure: 1 is wrapping film, 11 is waterproof layer, and 12 is light shield layer, and 13 is thermal insulation layer, and 14 is compacted zone, and 2 are
Suction nozzle, 21 is inlet channel, and 22 is air bag, and 23 is gas block panel, and 3 is line of cut, and 4 is the first outer wall, and 5 is the second outer wall.
Detailed description of the invention
Below in conjunction with the accompanying drawings, the present invention is described in detail.
In order to make the purpose of invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, to this
Invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, not
For limiting the present invention.
Embodiment 1
As shown in Figure 1 to Figure 3, a kind of controlled atmospheric packing bag, including wrapping film 1, wrapping film 1 includes film and lower film, upper film
The fixing connection with at lower film top, junction is airtight air tight, forms glove cavity, do not using in upper film and lower film
Before, it is not connected with bottom upper film and lower film, after cold fresh meat is placed into glove cavity, then by compressed together to upper film and lower film,
Being provided with suction nozzle 2 at wrapping film 1 one drift angle, suction nozzle 2 is fixing with wrapping film 1 to be connected, and suction nozzle 2 is with glove cavity even
Logical.Suction nozzle 2 and wrapping film 1 connecting place form the first outer wall 4 and the second outer wall 5, outside the thickness of the first outer wall 4 is equal to second
The thickness of wall 5, the thickness of the first outer wall 4 and the second outer wall 5 is less than the thickness of junction.Suction nozzle includes Liang Zuibi, two gas walls
Between be provided with inlet channel 21, inlet channel 21 connects with glove cavity, has cavity in the middle part of mouth wall, is provided with air bag in cavity
22.Being filled with noble gas in air bag 22, the size of air bag 22 internal gas pressure is 142.13kPa.Mouth wall is fabricated from a flexible material, and enters
Valve 2 outer wall side has inclined-plane, and inclined-plane and horizontal direction have 65 ° of angles.Diameter in the middle part of inlet channel 21 is less than two ends
Diameter, in the middle part of inlet channel 21, the narrowest place is provided with gas block panel 23, and gas block panel 23 one end is flexibly connected with inlet channel 2 sidewall,
Gas block panel 23 can be with junction point for midpoint swung downward, and the length of gas block panel 23 is more than inlet channel 21 mid diameter.Outsourcing
Dress film 1 surface is provided with line of cut 3, and wrapping film 1 is divided into two parts by line of cut 3, and line of cut 3 is by suction nozzle 2, outside first
Wall 4 and the second outer wall 5 are divided in a part.
Upper film and the lower film of wrapping film 1 are respectively provided with multilayer laminar structure, and layer structure is followed successively by anti-from top to bottom
Water layer 11, light shield layer 12, thermal insulation layer 13 and compacted zone 14, the compacted zone of upper film is connected, outside first with the compacted zone of lower film
Wall and the second outer wall are only made up of waterproof layer and thermal insulation layer from top to bottom.Waterproof layer 11 is by 20 parts of polyurethane third of mass parts
Olefin(e) acid ester, 37 parts of tin-antiomony oxides, 34 parts of gel of calcium silicate, 28 parts of sodium methyl silicates, 46 parts of pentanediol phosphate esters, 21 parts are gathered
Virtue diazole, 25 parts of Si-Al-C-O fibers and 34 parts of water-soluble polymer compositions, the molecular formula of water-soluble polymer is；Light shield layer 12 is by 8 parts of nano titanium oxides of mass parts, and 16 parts of oxybenzenes are different
Butyl ester, 8 parts of carbon nano-fibers, 17 parts of Al2O3-SiO2Fiber, 26 parts of polyacrylic acid and 23 parts of polypropylene composition, thermal insulation layer 13 by
11 parts of aqueous polyurethanes of mass parts, 19 parts of compound NiO-TiO2, 4 parts of BiOBr, 17 parts of Hydroxypropyl methacrylates, 15 parts of propylene
Acid fluoroalkyl ester, 20 parts of polypropylene and 30 parts of urethane acrylates composition, compacted zone 14 by 52 parts of polyvinyl alcohol of mass parts, 25
Part paraffin microcapsule, 11 part 3,3 '-4,4 '-benzophenone tetracarboxylic dianhydride, 13 part 4,4 '-diaminodiphenyl ether and 30 parts of hexadecane oxygen
Base connection alkene composition.The thickness of waterproof layer 11 is 17.4 μm, and the thickness of light shield layer 12 is 240nm, and the thickness of described thermal insulation layer 13 is
2.7mm, the thickness of compacted zone 14 is 50.3 μm
Embodiment 2
Water-soluble polymerSynthetic method as follows:
After 1 mol 2-methylacryoyloxyethyl dimethyl tertiary amine and 1.1 mol bromohexadecane mix homogeneously, put into 250
In mL round-bottomed flask, adding 50 mL acetone as reaction dissolvent, sealing, reaction temperature 35 DEG C, lucifuge reacts 36 h.Ice-water bath
Cooling, separates out product.Sucking filtration, with low temperature washing with acetone three times, product is put in baking oven and is dried.
Embodiment 3
The preparation method of Si-Al-C-O fiber is as follows:
Polydimethylsiloxane and aluminium acetylacetonate (99%, mass fraction) insulation reaction in constant-pressure and high-temperature reaction unit, reaction
The mol ratio of thing is 1:1.2, and reaction is cooled to room temperature after terminating, through dissolve, filter and distillation of reducing pressure etc. process obtain faint yellow
Resin-like precursor polyaluminocarbosilane.
Polyaluminocarbosilane is joined in spinning cylinder, under high pure nitrogen is protected, heat to 210 DEG C of temperature, stand de-
Bubble, is then down to spinning temperature, pressurizes with high pure nitrogen, extrudes filamentation, boundling through porous spinneret, is wound to spinning cylinder,
To continuous length about 500m, 200/bundle
Embodiment 4
Al2O3- SiO2The preparation method of fiber is as follows:
With SiO2Fiber, as ordered structure macroscopic view matrix material, uses Ni metal to make catalyst activity component (catalyst quality
Mark is the 1% of matrix material), methane is as carbon source, and gas flow is 20 mL/min, and reaction temperature is 550 DEG C, often
Pressure reaction 2 h i.e. obtain being solidificated in SiO2Nano carbon fiber on fiber.
It is solidificated in SiO by obtained above2It is 0.3mol/L Al that nano carbon fiber on fiber is immersed in concentration
(NO3)35min in precursor liquid, then sucking filtration is to remove its surface excess solution, is dried 1 by 300 DEG C
H, repeats above-mentioned dipping and dry run 3 times；In last air, at 600 DEG C, roasting 6 h removes nano carbon fiber template,
Obtain Al2O3- SiO2Fiber.
Embodiment 5
Compound NiO-TiO2Preparation method as follows:
Weighing a certain amount of butyl titanate and cetyl trimethyl ammonium aqueous solution, regulation pH value is 10, is stirred vigorously
1h. is subsequently added Ni (NO3)2Solution, regulation pH value is 10, and in stirring 4h. mixed system, the mol ratio of each material is NiO:
TiO:: cetyl trimethyl ammonium: H2O=0.8:1:0.25:40.It is subsequently placed in airtight crystallizing kettle, crystallization under 383K
48h, then through repeatedly washing sucking filtration, be dried 24h under 383K, under different temperatures fourth, finally calcine 8h, obtain product.
Embodiment 6
The preparation method of hexadecane epoxide connection alkene is as follows:
KOH (16. 8 g, 0. 3 mol) is put in the DMSO of 100 mL, and addition propilolic alcohol (5. 4mL, 0. 1
Mol) and bromohexadecane (31. 5 mL, 0. 1 mol), whole mixed liquor reacts 10 h at room temperature obtain brown and hang
Supernatant liquid.With petroleum ether extraction the most respectively with water, saturated NH4Cl and Na2CO3Washing repeatedly, uses anhydrous Na2SO4It is dried, warp
Silicagel column purifies (eluant is petroleum ether), obtains colourless liquid cetyl third.
Cetyl propine ether (5. 0 g, 17. 9 mmol) is joined in the THF solution of 100mL, then will
Potassium tert-butoxide (2. 4g, 21. 4 mmol) joins in solution, stirs 5 h at room temperature.Filter with kieselguhr afterwards, rotation
Dry, with petroleum ether dissolution, wash with water repeatedly, be dried and purify (eluant is petroleum ether) through silicagel column, obtain colourless viscous liquid
The hexadecane epoxide connection alkene of state
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all spirit in the present invention and
Any amendment, equivalent and the improvement etc. made within principle, should be included within the scope of the present invention.
Claims (10)
1. a controlled atmospheric packing bag, it is characterised in that: include wrapping film (1), described wrapping film (1) include film and under
Fixing connection at film, described upper film and lower film top, junction is airtight air tight, forms glove in described upper film and lower film
Cavity, is provided with suction nozzle (2) at described wrapping film (1) drift angle, described suction nozzle (2) is fixing with wrapping film (1) to be connected,
Described suction nozzle (2) connects with glove cavity.
2. a kind of controlled atmospheric packing bag as claimed in claim 1, it is characterised in that: described suction nozzle (2) and wrapping film (1) phase
Forming the first outer wall (4) and the second outer wall (5) at Lian, the thickness of described first outer wall (4) is equal to the thickness of the second outer wall (5),
The thickness of described first outer wall (4) and the second outer wall (5) is less than the thickness of junction.
3. controlled atmospheric packing bag as claimed in claim 1 or 2 a kind of, it is characterised in that: described valve includes Liang Zuibi, described two
Being provided with inlet channel (21) between gas wall, described inlet channel (21) connects with glove cavity, has cavity in the middle part of described mouth wall,
Air bag (22) it is provided with in described cavity.
4. a kind of controlled atmospheric packing bag as claimed in claim 3, its feature also can be: described air bag is filled with inertia in (22)
Gas, the size of described air bag (22) internal gas pressure is 142.13kPa.
5. a kind of controlled atmospheric packing bag as claimed in claim 4, it is characterised in that: described mouth wall is fabricated from a flexible material, described
Suction nozzle (2) outer wall side has inclined-plane, and described inclined-plane and horizontal direction have 65 ° of angles.
6. a kind of controlled atmospheric packing bag as claimed in claim 5, it is characterised in that: the diameter at described inlet channel (21) middle part is little
In the diameter at two ends, the narrowest place, described inlet channel (21) middle part is provided with gas block panel (23), described gas block panel (23) one end with enter
Gas passage (2) sidewall is flexibly connected, and described gas block panel (23) can be with junction point for midpoint swung downward, described gas block panel (23)
Length more than inlet channel (21) mid diameter.
7. a kind of controlled atmospheric packing bag as described in claim 5 or 6, it is characterised in that: described wrapping film (1) surface is provided with cuts
Secant (3), wrapping film (1) is divided into two parts by described line of cut (3), described line of cut (3) by suction nozzle (2),
One outer wall (4) and the second outer wall (5) are divided in a part.
8. a kind of controlled atmospheric packing bag as claimed in claim 7, it is characterised in that: upper film and the lower film of wrapping film (1) all have
Multilayer laminar structure, layered structure is had to be followed successively by waterproof layer (11), light shield layer (12), thermal insulation layer (13) and cause from top to bottom
Close layer (14), the compacted zone of described upper film is connected with the compacted zone of lower film, and described first outer wall and the second outer wall are from top to bottom only
It is made up of waterproof layer and thermal insulation layer.
9. a kind of controlled atmospheric packing bag as claimed in claim 8, it is characterised in that: described waterproof layer (11) is gathered by mass parts 20 parts
Urethane acrylate, 37 parts of tin-antiomony oxides, 34 parts of gel of calcium silicate, 28 parts of sodium methyl silicates, 46 parts of pentanediol phosphate esters, 21 parts
Poly-virtue diazole, 25 parts of Si-Al-C-O fibers and 34 parts of water-soluble polymer compositions, the molecular formula of described water-soluble polymer is；Described light shield layer (12) by 8 parts of nano titanium oxides of mass parts, 16 parts
Oxybenzene isobutyl ester, 8 parts of carbon nano-fibers, 17 parts of Al2O3-SiO2Fiber, 26 parts of polyacrylic acid and 23 parts of polypropylene compositions, described
Thermal insulation layer (13) is by 11 parts of aqueous polyurethanes of mass parts, 19 parts of compound NiO-TiO2, 4 parts of BiOBr, 17 parts of methacrylic acid hydroxypropyls
Ester, 15 parts of fluoroalkyl base esters, 20 parts of polypropylene and 30 parts of urethane acrylate compositions, described compacted zone (14) is by quality
52 parts of polyvinyl alcohol of part, 25 parts of paraffin microcapsules, 11 part 3,3 '-4,4 '-benzophenone tetracarboxylic dianhydride, 13 part 4,4 '-diaminourea two
Phenylate and 30 parts of hexadecane epoxide connection alkene compositions.
10. a kind of controlled atmospheric packing bag, it is characterised in that: the thickness of described waterproof layer (11) is
17.4 μm, the thickness of described light shield layer (12) is 240nm, and the thickness of described thermal insulation layer (13) is 2.7mm, described compacted zone (14)
Thickness be 50.3 μm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610817677.3A CN106241061A (en) | 2016-09-13 | 2016-09-13 | A kind of controlled atmospheric packing bag |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610817677.3A CN106241061A (en) | 2016-09-13 | 2016-09-13 | A kind of controlled atmospheric packing bag |
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| CN106241061A true CN106241061A (en) | 2016-12-21 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610817677.3A Pending CN106241061A (en) | 2016-09-13 | 2016-09-13 | A kind of controlled atmospheric packing bag |
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| CN (1) | CN106241061A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109304918A (en) * | 2018-11-14 | 2019-02-05 | 重庆瑞霆塑胶有限公司 | Seasoning bag material film and production method |
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