CN105885278B - Preparation method of degradable sealing film material, product and sealing container - Google Patents
Preparation method of degradable sealing film material, product and sealing container Download PDFInfo
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- CN105885278B CN105885278B CN201610210134.5A CN201610210134A CN105885278B CN 105885278 B CN105885278 B CN 105885278B CN 201610210134 A CN201610210134 A CN 201610210134A CN 105885278 B CN105885278 B CN 105885278B
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
- C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/04—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08L27/06—Homopolymers or copolymers of vinyl chloride
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/22—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of indefinite length
- B29C43/24—Calendering
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/52—Heating or cooling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
-
- 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
- B65D1/00—Containers having bodies formed in one piece, e.g. by casting metallic material, by moulding plastics, by blowing vitreous material, by throwing ceramic material, by moulding pulped fibrous material, by deep-drawing operations performed on sheet material
- B65D1/12—Cans, casks, barrels, or drums
- B65D1/14—Cans, casks, barrels, or drums characterised by shape
- B65D1/16—Cans, casks, barrels, or drums characterised by shape of curved cross-section, e.g. cylindrical
-
- 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
- B65D77/00—Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks or bags
- B65D77/10—Container closures formed after filling
- B65D77/20—Container closures formed after filling by applying separate lids or covers, i.e. flexible membrane or foil-like covers
-
- 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
- B65D77/00—Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks or bags
- B65D77/10—Container closures formed after filling
- B65D77/20—Container closures formed after filling by applying separate lids or covers, i.e. flexible membrane or foil-like covers
- B65D77/2024—Container closures formed after filling by applying separate lids or covers, i.e. flexible membrane or foil-like covers the cover being welded or adhered to the container
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/712—Containers; Packaging elements or accessories, Packages
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2327/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers
- C08J2327/02—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
- C08J2327/04—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08J2327/06—Homopolymers or copolymers of vinyl chloride
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2403/00—Characterised by the use of starch, amylose or amylopectin or of their derivatives or degradation products
- C08J2403/02—Starch; Degradation products thereof, e.g. dextrin
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2451/00—Characterised by the use of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives of such polymers
- C08J2451/04—Characterised by the use of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives of such polymers grafted on to rubbers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2497/00—Characterised by the use of lignin-containing materials
- C08J2497/02—Lignocellulosic material, e.g. wood, straw or bagasse
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/06—Biodegradable
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/16—Applications used for films
- C08L2203/162—Applications used for films sealable films
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Abstract
The invention discloses a preparation method and a product of a degradable sealing membrane material, wherein the degradable sealing membrane material can be degraded in a natural environment after being discarded, has moderate softness and strength, is not easy to damage, has good flame retardant property, adhesive property and thermal stability, has excellent processing property of hot-press sealing, is widely applied, and particularly can be well hot-press sealed with metal without easy loosening. The invention also discloses a preparation method and a product of the metal sealing container adopting the degradable sealing film material, and the metal sealing container body and the sealing film can be well combined in a heat sealing manner, and are tightly adhered, hooped and fastened through the simultaneous improvement of the process and the structure, and the condition in the container can be observed in a concealed manner due to the semitransparent characteristic.
Description
Technical field
The present invention relates to the preparations of degradable sealing membrane material and sealing container, and in particular to degradable sealing membrane material
Preparation method, product and the sealing container using the degradable diaphragm seal.
Background technology
Sealing container uses injection moulding plastic part as vessel more, then carries out hot-press sealed by sealing membrane material, and
Most common sealing membrane material is various resin film-likes at present.Traditional sealing membrane material, there are following deficiencies：
1. it is difficult to degrade；Since sealing container is after opening, sealed membrane is usually integrally torn to (the sealed membrane thrown away
Generally interior envelope, after tearing, is covered by external cap), if sealed membrane is difficult to degrade, can to environmental effects, with
That present environmental consciousness is more and more stronger, and the requirement to various products is higher and higher, it is difficult to which the sealed membrane of degradation will be washed in a pan progressively
It eliminates；
2. it is difficult to bond with canister, when traditional sealing membrane material and canister bond, it is difficult to paste close, appearance
Easily loosen, this with material in itself and adhesion technique is related；
3. for traditional sealing membrane material due to the relation of its preparation process, physical property is bad, is easily broken, secondary
Plastic (processing) property is poor, this is also that the subsequent hot sealing process with vessel is caused to be limited；
It is exactly that sealed membrane is compound with aluminium foil, so as to increase intensity, but this results in one again 4. tradition has a kind of way
Problem, that is, opaque, it is difficult to observe the situation in container.
Above-mentioned relevant deficiency is solved the problems, such as, it is necessary to consider, such as add in some degradable components, promotes it
Degradable performance, while the addition of new component also to be avoided to influence the calendering formation of film and reduce the correlation of material
Can, such as its production technology is changed or optimized, the plasticity of film is promoted, allows it can be with the heat pressure adhesive of metal
More preferably, such as better sealed membrane and the hot sealing process of metal container bodies can be designed, start with from parameter or even structure, allow
The sealing of sealed membrane is even closer reliable, is not easy to loosen.The present invention Inspiration Sources in traditional thin film materials, Wood-plastic material, can
Edible packaging membrane material (being commonly called as wafer) mutually merges combination, during this, to avoid the hard crisp characteristic of Wood-plastic material, keep away
Exempt from easy hot melt, water soluble characteristic of edible package membrane material etc., it is allowed more preferably to combine.In addition, for sealed membrane and container
Cooperation in bulk adhesive structure, the back-off structure that Inspiration Sources use when bicolor plastic product is molded, is heated by plastic cement
Situations such as forming back-off structure, preventing from shifting, depart from.
The content of the invention
For the above-mentioned deficiency of the prior art, it is an object of the present invention to provide a kind of systems of degradable sealing membrane material
Preparation Method, product, the degradable sealing membrane material can degrade after discarding under natural environment, in addition, its pliability with it is strong
Moderate, not cracky is spent, the processing performance of Heat Sealing is splendid, particularly can be not easy pine well with metal phase Heat Sealing
It is de-.
It is an object of the present invention to provide the preparation sides of the metal containment unit using the degradable sealing membrane material
Method, product, for unique material property, by, with being improved while structure, making metal container bodies and sealing to technique
Film new material can heat-seal bond well, cling, banding, fastening, and translucent characteristic can indistinctly observe container
Interior situation.
Present invention technical solution used for the above purpose is：
A kind of preparation method of degradable sealing membrane material, which is characterized in that it includes the following steps：
1) component of the following parts by weight of preparation：
The coupling agent is amino silane, and the plasticiser is dioctyl phthalate, and the preservative is zinc borate,
The lubricant is paraffin；The stabilizer is Bis(lauroyloxy)dioctyltin；
2) mixed at high speed under conditions of 120 DEG C of temperature, until uniformly；
3) modeling is refined under conditions of 150 DEG C of temperature, plasticate 60min；
4) calendering formation mechanism is set, which includes, the first hot pressing roller, the second hot pressing roller, first
Cooling roller, the 3rd hot pressing roller, the 4th hot pressing roller, stripping roller, press polish roller, guiding roller；By calender system into
Condition in row calendering formation, wherein calender line is as follows：200 DEG C of the temperature of first hot pressing roller, speed 8m/min；Second heat
180 DEG C of the temperature of pressure roller cylinder, speed 9m/min；The temperature of first cooling roller is 20 DEG C, speed 8m/min；3rd hot pressing roller
200 DEG C of temperature, speed 9m/min；180 DEG C of the temperature of 4th hot pressing roller, speed 10m/min；Remove the temperature 100 of roller
DEG C, speed 17m/min；100 DEG C of the temperature of press polish roller, speed 18m/min；Guide the temperature 60 C of roller, speed 19m/
min；40 DEG C, speed 20m/min of the temperature of second cooling roller is formed in laminar translucent degradable sealing membrane material.
The calendering formation mechanism is transformed by four-roll calender, mainly adds the first cooling roller, is different from because to coordinate
The quenching step of conventional films production technology (quenching is modified surface shrinkage, improving performance).Traditional four-roll calender film
Production technology is gradually reduced transfer roller temperature, and speed is gradually promoted, and there is no quenching steps in the process, it is therefore desirable to equipment
Adaptability reform is carried out, increases cooling device (cooling roller or other types of cooling).Other turn such as hot pressing transfer roller, guiding
Roller, stripper roll, second cooling roller etc., it goes without doing substantially changes.
As a preferred embodiment, in step 1), 5-10 parts of bromo propanepoxy resins are further included.Bromo diphenylol third
Although the addition of alkane epoxy resin increased cost, but can promote certain flame retardant property, adhesive property and thermostabilization
Performance is sealed for some special containers, and the container such as used in high temperature environments, is good selection.
As a preferred embodiment, in step 4), first cooling roller is substituted by quick cooler, which includes
Box-shaped shell is cooling cavity inside the box-shaped shell, and front side is feed inlet, and rear side is discharge port, and left side is air inlet, right side
For gas outlet, the feed inlet is corresponding with the second hot pressing roller, and the discharge port is corresponding with the 3rd hot pressing roller, it is described into
Gas port is corresponding with cold air source, and the gas outlet is corresponding with gas recycling can；During the quick cooler is to calendering formation
The cooling condition of material is as follows：Cold air temperature is 0-20 DEG C, and cold air pressure is 2-3 atmospheric pressure, within 2 seconds quickly cooling time；Shape
It is evenly distributed with into the surface in laminar translucent degradable sealing membrane material, the degradable sealing membrane material granular
Rough texture structure.The cold air is the cold air containing vapor；Wherein, the air in cold air source is relative humidity
100% saturated air.
The box-shaped shell is flat rectangular body, and the feed inlet, discharge port, air inlet, gas outlet are all rectangle.It should
Quick cooler makes material be quenched suddenly by the air with moisture during hot calender, surface precooling rapid desufflation
(internal still high temperature), can make material surface form equally distributed granular rough texture structure, increase thin
When the aesthetics of film and follow-up Heat Sealing processing, since the presence of the rough texture structure (accommodates in groove
Certain air), air extrusion expansion during hot pressing, Heat Sealing effect is more preferable.
Degradable sealing membrane material prepared by a kind of above method.
The preparation method of a kind of sealing container using the degradable sealing membrane material, which is characterized in that including as follows
Step：
1) vessel is prepared, which includes the accommodating cavity formed by cylindrical metal shell, the accommodating cavity
One side is equipped with opening portion, and the edge of the opening portion is equipped with the ear outwards routed up, and the ear is vertical with the side wall of shell, and is equipped with
Several equally distributed through holes；
2) process is once sealed：Degradable sealing membrane material is cut into circular seal film, the size of the sealed membrane is just
The opening portion of vessel and ear can be covered；The sealed membrane sheared is covered to the opening portion of vessel and ear,
Then the quick hot pressing in 1 second by a heat seal die makes ear's surface close adhesion of sealed membrane and vessel, and embedding
In the through hole for entering ear, hot pressing condition is as follows：Pressure 400kg, 200 DEG C of temperature；
3) overturning process：It is by flanging die, the ear of vessel is related thereon after the completion of once sealing process
Sealed membrane carries out outward flanging, forms D shapes；
4) secondary heat-sealing process：After the completion of overturning process, the D shapes of sealed membrane and ear are bonded by secondary heat seal die
The hot pressing that position continue 5-8s is reinforced；Pressure 300kg, 150 DEG C of temperature；
5) quickly cooling shrinks shaping process：After the completion of secondary heat-sealing process, by quickly cooling shrinkage die to sealed membrane and ear
D shapes bond site carry out gas quickly cooling, sealed membrane is made to shrink sizing, is pasted and banding ear, quickly cooling condition is as follows：Chill temperature
It spends for ﹣ 10-10 DEG C.Cold air preferably uses dry air, because moisture can influence to shrink the effect of banding.And the quenching step
It is essential, if natural cooling, the limit is not only not achieved and shrinks the effect of banding, but also loosening is susceptible to, form seam
Gap.Even if there is back-off, sealed membrane does not allow easily openable, but due to the appearance in gap, can influence seal.
In step 1), the through hole in the ear is the wide round table-like through hole in the narrow downside in upside；In step 2), the sealing
Ear's surface close adhesion of film and vessel, and in the round table-like through hole of embedded ear, form back-off portion.The back-off is very
Key takes full advantage of the thermal expansion of diaphragm seal, and diaphragm seal is made to be buckled to ear and is fastened.
In step 2), the hot pressing position shape of a heat seal die is adapted with the ear of vessel；Step 4)
In, the hot pressing position shape of the secondary heat seal die is adapted with sealed membrane with the D shape bond sites of ear；In step 5),
The cooling cavities shape of the quickly cooling shrinkage die is adapted with sealed membrane with the D shape bond sites of ear, and ﹣ 10-10's DEG C is dry
Dry cold air is entered by the one side of cooling cavities, after cooling cavities, is discharged by the opposite side of cooling cavities.
It should be noted that mold structure involved by Yi Shang each process, those skilled in the art can be according to actual design
It manufactures.Hot pressing die, die with edge-folded even quickly cooling shrinkage die, are all that conventional technology of die manufacturing can be produced,
This not enumeration flange.Moreover, mold is not used and uses other forms possible yet, also by manually carrying out flange volume with instrument
Side, by cooler bin substitute quickly cooling shrinkage die be quenched (simply one all cooling, a specific aim Local cooling and
).
Sealing container prepared by a kind of the method, which is characterized in that including vessel and sealed membrane, the container sheet
Body includes the accommodating cavity formed by cylindrical metal shell, and the one side of the accommodating cavity is equipped with opening portion, and the edge of the opening portion is set
Have it is turned-out go out ear, which is equipped with the wide round table-like through hole in several equally distributed narrow downsides in upside, the sealed membrane
Shape and size the opening portion of vessel and ear can just be covered, the ear surface of the sealed membrane and vessel
By hot pressing structure close adhesion, and in the round table-like through hole of embedded ear, form back-off portion；The ear of the vessel connects
The sealed membrane outward flanging of band thereon is rolled, and forms D shapes.
Further, glued on the sealed membrane and be equipped with pull handle.
Further, the wide 3-5mm of the round table-like through hole, thick 1-3mm.
The advantage of the invention is that：Degradable sealing membrane material provided by the invention can be under natural environment after discarding
Degradation, in addition, its pliability and moderate strength, not cracky, the processing performance of Heat Sealing is splendid, particularly can well with
Metal phase Heat Sealing is not easy to loosen；Its preparation method component science, step are compact, and low energy consumption and good evenness, each batch production
Quality stability is high.
Metal containment unit provided by the invention using the degradable diaphragm seal material manufacture, by technique and structure
While improve, enable metal container bodies and sealed membrane heat-seal bond well, cling, banding, fastening, it is and translucent
Characteristic can indistinctly observe situation in container.Its preparation method is accurate, efficient, step is few, low energy consumption, is suitble to batch
Change, flow line production.
Below in conjunction with the accompanying drawings with specific embodiment, the present invention is described in more detail.
Description of the drawings
Fig. 1 is the structure diagram of sealing container；
Fig. 2 is the schematic cross-sectional view of Fig. 1；
The A portions enlarged structure schematic diagram of Fig. 3 bitmaps 2；
The structure diagram of vessel when Fig. 4 is non-crimping；
Fig. 5 is the schematic cross-sectional view of Fig. 4；
In figure：Vessel 1；Ear 2；Through hole 3；Sealed membrane 4；Back-off portion 5.
Specific embodiment
Fig. 1 is referred to 5：
Embodiment 1
The preparation method of degradable sealing membrane material provided in this embodiment, includes the following steps：
1) component of the following parts by weight of preparation：
The coupling agent is amino silane, and the plasticiser is dioctyl phthalate, and the preservative is zinc borate,
The lubricant is paraffin；The stabilizer is Bis(lauroyloxy)dioctyltin；
2) mixed at high speed under conditions of 120 DEG C of temperature, until uniformly；
3) modeling is refined under conditions of 150 DEG C of temperature, plasticate 60min；
4) calendering formation mechanism is set, which includes, the first hot pressing roller, the second hot pressing roller, first
Cooling roller, the 3rd hot pressing roller, the 4th hot pressing roller, stripping roller, press polish roller, guiding roller；By calender system into
Condition in row calendering formation, wherein calender line is as follows：200 DEG C of the temperature of first hot pressing roller, speed 8m/min；Second heat
180 DEG C of the temperature of pressure roller cylinder, speed 9m/min；The temperature of first cooling roller is 20 DEG C, speed 8m/min；3rd hot pressing roller
200 DEG C of temperature, speed 9m/min；180 DEG C of the temperature of 4th hot pressing roller, speed 10m/min；Remove the temperature 100 of roller
DEG C, speed 17m/min；100 DEG C of the temperature of press polish roller, speed 18m/min；Guide the temperature 60 C of roller, speed 19m/
min；40 DEG C, speed 20m/min of the temperature of second cooling roller is formed in laminar translucent degradable sealing membrane material.
The calendering formation mechanism is transformed by four-roll calender, mainly adds the first cooling roller, is different from because to coordinate
The quenching step of conventional films production technology (quenching is modified surface shrinkage, improving performance).Traditional four-roll calender film
Production technology is gradually reduced transfer roller temperature, and speed is gradually promoted, and there is no quenching steps in the process, it is therefore desirable to equipment
Adaptability reform is carried out, increases cooling device (cooling roller or other types of cooling).Other turn such as hot pressing transfer roller, guiding
Roller, stripper roll, second cooling roller etc., it goes without doing substantially changes.
In step 1), 5-10 parts of bromo propanepoxy resins are further included.Bromo propanepoxy resin
Although addition increased cost, certain flame retardant property, adhesive property and thermal stability can be promoted, for some
Special container seals, and the container such as used in high temperature environments, is good selection.
In step 4), first cooling roller is substituted by quick cooler, which includes box-shaped shell, the box
Shape enclosure is cooling cavity, and front side is feed inlet, and rear side is discharge port, and left side is air inlet, and right side is gas outlet, described
Feed inlet is corresponding with the second hot pressing roller, and the discharge port is corresponding with the 3rd hot pressing roller hot pressing roller, the air inlet
Corresponding with cold air source, the gas outlet is corresponding with gas recycling can；The quick cooler is to calendering formation process in which materials
Cooling condition it is as follows：Cold air temperature is 0-20 DEG C, and cold air pressure is 2-3 atmospheric pressure, within 2 seconds quickly cooling time；Formation is in
Laminar translucent degradable sealing membrane material, the surface of the degradable sealing membrane material are evenly distributed with granular bumps
Uneven texture structure.The cold air is the cold air containing vapor；Wherein, the air in cold air source is relative humidity
100% saturated air.The box-shaped shell is flat rectangular body, and the feed inlet, discharge port, air inlet, gas outlet are all
Rectangle.The quick cooler makes material be quenched suddenly by the air with moisture during hot calender, surface precooling
Rapid desufflation (internal still high temperature), can make material surface form equally distributed granular rough texture knot
Structure, when increasing the aesthetics of film and follow-up Heat Sealing processing, since the presence of the rough texture structure is (recessed
Certain air is accommodated in slot), air extrusion expansion during hot pressing, Heat Sealing effect is more preferable.
Degradable sealing membrane material prepared by the method.
Using the preparation method of the sealing container of the degradable sealing membrane material, include the following steps：
1) vessel 1 is prepared, which includes the accommodating cavity formed by cylindrical metal shell, the accommodating cavity
One side be equipped with opening portion, the edge of the opening portion is equipped with the ear 2 outwards routed up, and the ear 2 is vertical with the side wall of shell, and
Equipped with several equally distributed through holes 3；
2) process is once sealed：Degradable sealing membrane material is cut into circular seal film 4, the size of the sealed membrane 4 is firm
The opening portion of vessel 1 and ear 2 can be covered well；The sealed membrane 4 sheared is covered to the opening portion of vessel 1 and
Ear 2, the then quick hot pressing in 1 second by a heat seal die make sealed membrane 4 and 2 surface of ear of vessel 1 close
Bonding, and in the through hole 3 of embedded ear 2, hot pressing condition is as follows：Pressure 400kg, 200 DEG C of temperature；
3) overturning process：It is by flanging die, the ear 2 of vessel 1 is related thereon after the completion of once sealing process
Sealed membrane 4 carry out outward flanging, formed D shapes；
4) secondary heat-sealing process：After the completion of overturning process, sealed membrane 4 and the D shapes of ear 2 are glued by secondary heat seal die
Close the hot pressing reinforcing that position continue 5-8s；Pressure 300kg, 150 DEG C of temperature；
5) quickly cooling shrinks shaping process：After the completion of secondary heat-sealing process, by quickly cooling shrinkage die to sealed membrane 4 and ear
2 D shapes bond site carries out gas quickly cooling, and sealed membrane is made to shrink sizing, pastes and banding ear 2, quickly cooling condition are as follows：Cold air
Temperature is ﹣ 10-10 DEG C.
In step 1), the through hole 3 in the ear 2 is the wide round table-like through hole in the narrow downside in upside；In step 2), the envelope
The 2 surface close adhesion of ear of membrana oralis 4 and vessel 1, and in the round table-like through hole of embedded ear 2, form back-off portion 5.
In step 2), the hot pressing position shape of a heat seal die is adapted with the ear 2 of vessel 1；Step
4) in, the hot pressing position shape of the secondary heat seal die is adapted with sealed membrane 4 with the D shape bond sites of ear 2；Step 5)
In, the cooling cavities shape of the quickly cooling shrinkage die is adapted with sealed membrane 4 with the D shape bond sites of ear 2, ﹣ 10-10 DEG C
Drying cold air by cooling cavities one side enter, after cooling cavities, by cooling cavities opposite side discharge.
It should be noted that mold structure involved by Yi Shang each process, those skilled in the art can be according to actual design
It manufactures.Hot pressing die, die with edge-folded even quickly cooling shrinkage die, are all that conventional technology of die manufacturing can be produced,
This not enumeration flange.Moreover, mold is not used and uses other forms possible yet, also by manually carrying out flange volume with instrument
Side substitutes quickly cooling shrinkage die by cooler bin and is quenched.
Sealing container prepared by the preparation method of the sealing container, including vessel 1 and sealed membrane 4, the container
Body 1 includes the accommodating cavity formed by cylindrical metal shell, and the one side of the accommodating cavity is equipped with opening portion, the edge of the opening portion
Equipped with the ear 2 outwards routed up, which is equipped with the wide round table-like through hole 3 in several equally distributed narrow downsides in upside, the envelope
The shape of membrana oralis 4 can just cover the opening portion of vessel 1 and ear 2 with size, the sealed membrane 4 and vessel 1
2 surface of ear by hot pressing structure close adhesion, and in the round table-like through hole 3 of embedded ear 2, form back-off portion 5；The appearance
Related 4 outward flanging of sealed membrane thereon of ear 2 of device body 1 is rolled, and forms D shapes.It is glued on the sealed membrane and is equipped with pull handle.Institute
State the wide 3-5mm of round table-like through hole, thick 1-3mm.
Embodiment 2
The preparation method of degradable sealing membrane material provided in this embodiment, includes the following steps：
1) component of the following parts by weight of preparation：
The coupling agent is amino silane, and the plasticiser is dioctyl phthalate, and the preservative is zinc borate,
The lubricant is paraffin；The stabilizer is Bis(lauroyloxy)dioctyltin；
2) mixed at high speed under conditions of 120 DEG C of temperature, until uniformly；
3) modeling is refined under conditions of 150 DEG C of temperature, plasticate 60min；
4) calendering formation mechanism is set, which includes, the first hot pressing roller, the second hot pressing roller, first
Cooling roller, the 3rd hot pressing roller, the 4th hot pressing roller, stripping roller, press polish roller, guiding roller；By calender system into
Condition in row calendering formation, wherein calender line is as follows：200 DEG C of the temperature of first hot pressing roller, speed 8m/min；Second heat
180 DEG C of the temperature of pressure roller cylinder, speed 9m/min；The temperature of first cooling roller is 20 DEG C, speed 8m/min；3rd hot pressing roller
200 DEG C of temperature, speed 9m/min；180 DEG C of the temperature of 4th hot pressing roller, speed 10m/min；Remove the temperature 100 of roller
DEG C, speed 17m/min；100 DEG C of the temperature of press polish roller, speed 18m/min；Guide the temperature 60 C of roller, speed 19m/
min；40 DEG C, speed 20m/min of the temperature of second cooling roller is formed in laminar translucent degradable sealing membrane material.
The calendering formation mechanism is transformed by four-roll calender, mainly adds the first cooling roller, is different from because to coordinate
The quenching step of conventional films production technology (quenching is modified surface shrinkage, improving performance).Traditional four-roll calender film
Production technology is gradually reduced transfer roller temperature, and speed is gradually promoted, and there is no quenching steps in the process, it is therefore desirable to equipment
Adaptability reform is carried out, increases cooling device (cooling roller or other types of cooling).Other turn such as hot pressing transfer roller, guiding
Roller, stripper roll, second cooling roller etc., it goes without doing substantially changes.
Degradable sealing membrane material prepared by the above method has the material property of many uniquenesses.
Using the preparation method of the sealing container of the degradable sealing membrane material, include the following steps：
1) vessel 1 is prepared, which includes the accommodating cavity formed by cylindrical metal shell, the accommodating cavity
One side be equipped with opening portion, the edge of the opening portion is equipped with the ear 2 outwards routed up, and the ear 2 is vertical with the side wall of shell, and
Equipped with several equally distributed through holes 3；
2) process is once sealed：Degradable sealing membrane material is cut into circular seal film 4, the size of the sealed membrane 4 is firm
The opening portion of vessel and ear can be covered well；The sealed membrane 4 sheared is covered to the opening portion of vessel 1 and ear
Portion 2, the then quick hot pressing in 1 second by a heat seal die make sealed membrane 4 and 2 surface of ear of vessel 1 closely glue
It closes, and in the through hole 3 of embedded ear, hot pressing condition is as follows：Pressure 400kg, 200 DEG C of temperature；
3) overturning process：It is by flanging die, the ear 2 of vessel 1 is related thereon after the completion of once sealing process
Sealed membrane 4 carry out outward flanging, formed D shapes；
4) secondary heat-sealing process：After the completion of overturning process, sealed membrane 4 and the D shapes of ear 2 are glued by secondary heat seal die
Close the hot pressing reinforcing that position continue 5s；Pressure 300kg, 150 DEG C of temperature；
5) quickly cooling shrinks shaping process：After the completion of secondary heat-sealing process, by quickly cooling shrinkage die to sealed membrane 4 and ear
2 D shapes bond site carries out gas quickly cooling, and sealed membrane 4 is made to shrink sizing, pastes and banding ear 2, quickly cooling condition are as follows：It is cold
Temperature degree is 10 DEG C of ﹣.
In step 1), the through hole 3 in the ear 2 is the wide round table-like through hole in the narrow downside in upside；In step 2), the envelope
The 2 surface close adhesion of ear of membrana oralis 4 and vessel 1, and in the round table-like through hole of embedded ear, form back-off portion.
In step 2), the hot pressing position shape of a heat seal die is adapted with the ear 2 of vessel 1；Step
4) in, the hot pressing position shape of the secondary heat seal die is adapted with sealed membrane 4 with the D shape bond sites of ear 2；Step 5)
In, the cooling cavities shape of the quickly cooling shrinkage die is adapted with sealed membrane 4 with the D shape bond sites of ear 2,10 DEG C of ﹣'s
Dry cold air is entered by the one side of cooling cavities, after cooling cavities, is discharged by the opposite side of cooling cavities.
It should be noted that mold structure involved by Yi Shang each process, those skilled in the art can be according to actual design
It manufactures.Hot pressing die, die with edge-folded even quickly cooling shrinkage die, are all that conventional technology of die manufacturing can be produced,
This not enumeration flange.Moreover, mold is not used and uses other forms possible yet, also by manually carrying out flange volume with instrument
Side substitutes quickly cooling shrinkage die by cooler bin and is quenched.
Sealing container prepared by the preparation method of the sealing container, including vessel 1 and sealed membrane 4, the container
Body 1 includes the accommodating cavity formed by cylindrical metal shell, and the one side of the accommodating cavity is equipped with opening portion, the edge of the opening portion
Equipped with the ear 2 outwards routed up, which is equipped with the wide round table-like through hole 3 in several equally distributed narrow downsides in upside, the envelope
The shape of membrana oralis 4 can just cover the opening portion of vessel 1 and ear 2 with size, the sealed membrane 4 and vessel 1
2 surface of ear by hot pressing structure close adhesion, and in the round table-like through hole 3 of embedded ear 2, form back-off portion 5；The appearance
Related 4 outward flanging of sealed membrane thereon of ear 2 of device body 1 is rolled, and forms D shapes.It is glued on the sealed membrane and is equipped with pull handle.Institute
State the wide 3mm of round table-like through hole, thick 1mm.
Embodiment 3
The present embodiment is substantially the same manner as Example 2, the difference is that：
In step 1), 5 parts of bromo propanepoxy resins are further included.The addition of bromo propanepoxy resin
Although increased cost, certain flame retardant property, adhesive property and thermal stability can be promoted, it is special for some
Container closure, the container such as used in high temperature environments, is good selection.
Embodiment 4 is substantially the same manner as Example 2, the difference is that：
In step 4), first cooling roller is substituted by quick cooler, which includes box-shaped shell, the box
Shape enclosure is cooling cavity, and front side is feed inlet, and rear side is discharge port, and left side is air inlet, and right side is gas outlet, described
Feed inlet is corresponding with the second hot pressing roller, and the discharge port is corresponding with the 3rd hot pressing roller, the air inlet and cold air source
Corresponding, the gas outlet is corresponding with gas recycling can；The quick cooler is to the cooling item of calendering formation process in which materials
Part is as follows：Cold air temperature is 0 DEG C, and cold air pressure is 2 atmospheric pressure, within 2 seconds quickly cooling time；It is formed in laminar translucent
Degradable sealing membrane material, the surface of the degradable sealing membrane material are evenly distributed with granular rough texture knot
Structure.The cold air is the cold air containing vapor；Wherein, the air in cold air source is the saturated air of relative humidity 100%.
The box-shaped shell is flat rectangular body, and the feed inlet, discharge port, air inlet, gas outlet are all rectangle.The quick cooler
Material is made to be quenched suddenly by the air with moisture during hot calender, (inside is still for surface precooling rapid desufflation
High temperature), material surface can be made to form equally distributed granular rough texture structure, increase the beauty of film
Property and during the processing of follow-up Heat Sealing, since the presence of the rough texture structure (accommodates certain sky in groove
Gas), air extrusion expansion during hot pressing, Heat Sealing effect is more preferable.
Embodiment 5
The present embodiment is substantially the same manner as Example 2, the difference is that：
The preparation method of degradable sealing membrane material provided in this embodiment, includes the following steps：
1) component of the following parts by weight of preparation：
The coupling agent is amino silane, and the plasticiser is dioctyl phthalate, and the preservative is zinc borate,
The lubricant is paraffin；The stabilizer is Bis(lauroyloxy)dioctyltin.
Using the preparation method of the sealing container of the degradable sealing membrane material, following steps are further included：
4) secondary heat-sealing process：After the completion of overturning process, the D shapes of sealed membrane and ear are bonded by secondary heat seal die
The hot pressing that position continue 8s is reinforced；Pressure 300kg, 150 DEG C of temperature；
5) quickly cooling shrinks shaping process：After the completion of secondary heat-sealing process, by quickly cooling shrinkage die to sealed membrane and ear
D shapes bond site carry out gas quickly cooling, sealed membrane is made to shrink sizing, is pasted and banding ear, quickly cooling condition is as follows：Chill temperature
It spends for 10 DEG C.
In step 2), the hot pressing position shape of a heat seal die is adapted with the ear of vessel；Step 4)
In, the hot pressing position shape of the secondary heat seal die is adapted with sealed membrane with the D shape bond sites of ear；In step 5),
The cooling cavities shape of the quickly cooling shrinkage die is adapted with sealed membrane with the D shape bond sites of ear, and 10 DEG C of drying is cold
Gas is entered by the one side of cooling cavities, after cooling cavities, is discharged by the opposite side of cooling cavities.
Sealing container prepared by the preparation method of the sealing container, including vessel 1 and sealed membrane 4, the container
Body 1 includes the accommodating cavity formed by cylindrical metal shell, and the one side of the accommodating cavity is equipped with opening portion, the edge of the opening portion
Equipped with the ear 2 outwards routed up, which is equipped with the wide round table-like through hole 3 in several equally distributed narrow downsides in upside, the envelope
The shape of membrana oralis 4 can just cover the opening portion of vessel 1 and ear 2 with size, the sealed membrane 4 and vessel 1
2 surface of ear by hot pressing structure close adhesion, and in the round table-like through hole 3 of embedded ear 2, form back-off portion 5；The appearance
Related 4 outward flanging of sealed membrane thereon of ear 2 of device body 1 is rolled, and forms D shapes.It is glued on the sealed membrane and is equipped with pull handle.Institute
State the wide 5mm of round table-like through hole, thick 3mm.
Embodiment 6
The present embodiment is substantially the same manner as Example 5, the difference is that：
In step 1), 10 parts of bromo propanepoxy resins are further included.Bromo propanepoxy resin adds
Although entering to increased cost, certain flame retardant property, adhesive property and thermal stability can be promoted, it is special for some
Different container closure, the container such as used in high temperature environments, is good selection.
Embodiment 7
The present embodiment is substantially the same manner as Example 5, the difference is that：
In step 4), first cooling roller is substituted by quick cooler, which includes box-shaped shell, the box
Shape enclosure is cooling cavity, and front side is feed inlet, and rear side is discharge port, and left side is air inlet, and right side is gas outlet, described
Feed inlet is corresponding with the second hot pressing roller, and the discharge port is corresponding with the 3rd hot pressing roller, the air inlet and cold air source
Corresponding, the gas outlet is corresponding with gas recycling can；The quick cooler is to the cooling item of calendering formation process in which materials
Part is as follows：Cold air temperature is 20 DEG C, and cold air pressure is 3 atmospheric pressure, within 2 seconds quickly cooling time；It is formed in laminar semi-transparent
Bright degradable sealing membrane material, the surface of the degradable sealing membrane material are evenly distributed with granular rough texture knot
Structure.The cold air is the cold air containing vapor；Wherein, the air in cold air source is the saturated air of relative humidity 100%.
The box-shaped shell is flat rectangular body, and the feed inlet, discharge port, air inlet, gas outlet are all rectangle.The quick cooler
Material is made to be quenched suddenly by the air with moisture during hot calender, (inside is still for surface precooling rapid desufflation
High temperature), material surface can be made to form equally distributed granular rough texture structure, increase the beauty of film
Property and during the processing of follow-up Heat Sealing, since the presence of the rough texture structure (accommodates certain sky in groove
Gas), air extrusion expansion during hot pressing, Heat Sealing effect is more preferable.
Present invention is not limited to the embodiments described above, using the step identical or approximate with the above embodiment of the present invention, group
Point, and preparation method, product and the sealing container of other obtained degradable sealing membrane materials, in protection scope of the present invention
Within.
Claims (10)
1. a kind of preparation method of degradable sealing membrane material, which is characterized in that it includes the following steps：
1) component of the following parts by weight of preparation：
The coupling agent is amino silane, and the plasticiser is dioctyl phthalate, and the preservative is zinc borate, described
Lubricant is paraffin；The stabilizer is Bis(lauroyloxy)dioctyltin；
2) mixed at high speed under conditions of 120 DEG C of temperature, until uniformly；
3) modeling is refined under conditions of 150 DEG C of temperature, plasticate 60min；
4) calendering formation mechanism is set, which includes, the first hot pressing roller, the second hot pressing roller, the first cooling
Roller, the 3rd hot pressing roller, the 4th hot pressing roller, stripping roller, press polish roller, guiding roller；It is pressed by calender system
Prolong shaping, the wherein condition in calender line is as follows：200 DEG C of the temperature of first hot pressing roller, speed 8m/min；Second hot-pressing roller
180 DEG C of the temperature of cylinder, speed 9m/min；The temperature of first cooling roller is 20 DEG C, speed 8m/min；The temperature of 3rd hot pressing roller
200 DEG C of degree, speed 9m/min；180 DEG C of the temperature of 4th hot pressing roller, speed 10m/min；Remove 100 DEG C of the temperature of roller, speed
Spend 17m/min；100 DEG C of the temperature of press polish roller, speed 18m/min；Guide the temperature 60 C of roller, speed 19m/min；Second
40 DEG C, speed 20m/min of the temperature of cooling roller is formed in laminar translucent degradable sealing membrane material.
2. the preparation method of degradable sealing membrane material according to claim 1, which is characterized in that in step 1), also wrap
Include 5-10 parts of bromo propanepoxy resins.
3. the preparation method of degradable sealing membrane material according to claim 1, which is characterized in that described in step 4)
First cooling roller is substituted by quick cooler, which includes box-shaped shell, is cooling cavity inside the box-shaped shell,
Front side is feed inlet, and rear side is discharge port, and left side is air inlet, and right side is gas outlet, the feed inlet and the second hot pressing roller
Corresponding, the discharge port is corresponding with the 3rd hot pressing roller hot pressing roller, and the air inlet is corresponding with cold air source, it is described go out
Gas port is corresponding with gas recycling can；The quick cooler is as follows to the cooling condition of calendering formation process in which materials：Chill temperature
It spends for 0-20 DEG C, cold air pressure is 2-3 atmospheric pressure；It is formed in laminar translucent degradable sealing membrane material, this can be dropped
The surface of solution diaphragm seal material is evenly distributed with granular rough texture structure.
4. it is according to claim 3 it is degradable sealing membrane material preparation method, which is characterized in that the cold air be containing
The cold air of vapor；Wherein, the air in cold air source is the saturated air of relative humidity 100%.
5. a kind of degradable sealing membrane material prepared by one of claim 1-4 the method.
A kind of 6. preparation method using the sealing container of degradable sealing membrane material described in claim 5, which is characterized in that bag
Include following steps：
1) vessel is prepared, which includes the accommodating cavity formed by cylindrical metal shell, the one side of the accommodating cavity
Equipped with opening portion, the edge of the opening portion is equipped with the ear outwards routed up, and the ear is vertical with the side wall of shell, and equipped with several
Equally distributed through hole；
2) process is once sealed：Degradable sealing membrane material is cut into circular seal film, the size of the sealed membrane can just incite somebody to action
The opening portion of vessel and ear's covering；The sealed membrane sheared is covered to the opening portion of vessel and ear, then
The quick hot pressing in 1 second by a heat seal die makes ear's surface close adhesion of sealed membrane and vessel, and embedded ear
In the through hole in portion, hot pressing condition is as follows：Pressure 400kg, 200 DEG C of temperature；
3) overturning process：After the completion of once sealing process, by flanging die, by the related sealing thereon of the ear of vessel
Film carries out outward flanging, forms D shapes；
4) secondary heat-sealing process：After the completion of overturning process, by secondary heat seal die to the D shape bond sites of sealed membrane and ear
The hot pressing for continue 5-8s is reinforced；Pressure 300kg, 150 DEG C of temperature；
5) quickly cooling shrinks shaping process：After the completion of secondary heat-sealing process, by quickly cooling shrinkage die to the D shapes of sealed membrane and ear
Bond site carries out gas quickly cooling, and sealed membrane is made to shrink sizing, pastes and banding ear, quickly cooling condition are as follows：Cold air temperature is ﹣
10-10℃。
7. the preparation method of sealing container according to claim 6, which is characterized in that in step 1), in the ear
Through hole is the wide round table-like through hole in the narrow downside in upside；In step 2), the ear surface of the sealed membrane and vessel is closely glued
It closes, and in the round table-like through hole of embedded ear, forms back-off portion.
8. the preparation method of sealing container according to claim 6, which is characterized in that described once to seal in step 2)
The hot pressing position shape of mold is adapted with the ear of vessel；In step 4), the hot pressing position of the secondary heat seal die
Shape is adapted with sealed membrane with the D shape bond sites of ear；In step 5), the cooling cavities shape of the quickly cooling shrinkage die
It is adapted with sealed membrane with the D shape bond sites of ear, the drying cold air of ﹣ 10-10 DEG C is entered by the one side of cooling cavities, is passed through
After cooling cavities, discharged by the opposite side of cooling cavities.
9. sealing container prepared by a kind of one of claim 6 to 8 the method, which is characterized in that including vessel and envelope
Membrana oralis, the vessel include the accommodating cavity formed by cylindrical metal shell, and the one side of the accommodating cavity is equipped with opening portion, should
The edge of opening portion is equipped with the ear that outwards routs up, which is equipped with wide round table-like logical in several equally distributed narrow downsides in upside
Hole, shape and the size of the sealed membrane can just cover the opening portion of vessel and ear, the sealed membrane and container
The ear surface of body in the round table-like through hole of embedded ear, forms back-off portion by hot pressing structure close adhesion；The appearance
The related sealed membrane outward flanging thereon of ear of device body is rolled, and forms D shapes.
10. sealing container according to claim 9, which is characterized in that glued on the sealed membrane and be equipped with pull handle.
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| CN108948559A (en) * | 2017-05-18 | 2018-12-07 | 济宁明升新材料有限公司 | A kind of lignin/PVC film and preparation method thereof |
| CN108948560A (en) * | 2017-05-18 | 2018-12-07 | 济宁明升新材料有限公司 | A kind of lignin/starch/PVC film and preparation method thereof |
| CN108948562A (en) * | 2017-05-18 | 2018-12-07 | 济宁明升新材料有限公司 | A kind of lignin/PVC decorative diaphragm and preparation method thereof |
| CN110760141A (en) * | 2019-10-28 | 2020-02-07 | 江苏大海塑料股份有限公司 | High cold-resistant PVC film for vehicle |
| CN116985395B (en) * | 2023-09-26 | 2023-11-28 | 四川辰宇微视科技有限公司 | High-precision and high-efficiency film laminating device and method for packaging micro-channel plate |
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| US5059642A (en) * | 1989-09-14 | 1991-10-22 | Iowa State University Research Foundation, Inc. | Degradable plastics from octenyl succinate starch |
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