CN110077708A - The manufacturing method of multichamber vessel protective film, multichamber vessel and multichamber vessel - Google Patents
The manufacturing method of multichamber vessel protective film, multichamber vessel and multichamber vessel Download PDFInfo
- Publication number
- CN110077708A CN110077708A CN201910057276.6A CN201910057276A CN110077708A CN 110077708 A CN110077708 A CN 110077708A CN 201910057276 A CN201910057276 A CN 201910057276A CN 110077708 A CN110077708 A CN 110077708A
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- CN
- China
- Prior art keywords
- protective film
- main part
- multichamber vessel
- surficial sheets
- reception room
- Prior art date
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Classifications
-
- 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
- B65D31/00—Bags or like containers made of paper and having structural provision for thickness of contents
- B65D31/04—Bags or like containers made of paper and having structural provision for thickness of contents with multiple walls
-
- 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
- B65D31/00—Bags or like containers made of paper and having structural provision for thickness of contents
- B65D31/12—Bags or like containers made of paper and having structural provision for thickness of contents with two or more compartments
-
- 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
- B65D65/00—Wrappers or flexible covers; Packaging materials of special type or form
- B65D65/38—Packaging materials of special type or form
- B65D65/40—Applications of laminates for particular packaging purposes
Abstract
The present invention relates to the manufacturing methods of multichamber vessel protective film, multichamber vessel and multichamber vessel.Main part has multiple reception rooms and transparent resin tabulation facesheet.Multiple reception rooms are distinguished each other, and in main part, the adjacent reception room can be connected to each other.The inside of surficial sheets visual confirmation reception room can be penetrated.Multichamber vessel protective film has the easy-peel absciss layer of the resin system constituted in the way of being pasted on surficial sheets and is located at the barrier layer with main part opposite side relative to easy-peel absciss layer.The heat seal strength based on JIS Z 0238 when being sealed to surficial sheets and multichamber vessel with protective film under 150 DEG C or more and 220 DEG C of temperature below is 3N/15mm or more and 10N/15mm hereinafter, and being configured to when removing multichamber vessel protective film from surficial sheets, the generation agglutination removing of easy-peel absciss layer.
Description
Technical field
The present invention relates to multichamber vessel protective film, have multichamber vessel protective film multichamber vessel and multicell hold
The manufacturing method of device.
Background technique
Multichamber vessel has: having the bag-like body portion of the 1st reception room and the 2nd reception room that distinguish each other and glues
It is attached to the protective film of the outer surface of the 1st reception room.1st reception room for example accommodates medicament, and the 2nd reception room for example accommodates liquid body.
1st reception room is separated from each other with the 2nd reception room by sealing.Multichamber vessel has the oral area for being connected to the 2nd reception room.The
The 2 indoor liquid body of receiving hands of such as catspaw etc. in the use of multichamber vessel squeeze, according to remove sealing
Mode squeezes the 2nd reception room from inside.Then, the 2nd indoor liquid body of receiving is moved to the 1st reception room, with the 1st reception room
Interior medicament mixing.The mixed liquor of medicament and liquid body is supplied to the outside of multichamber vessel from oral area (referring for example to patent text
It offers 1).
Existing technical literature
Patent document
Patent document 1: Japanese Unexamined Patent Publication 8-280775 bulletin
Summary of the invention
Technical problems to be solved by the inivention
However, multichamber vessel is protected in order to inhibit moisture, oxygen and light etc. from the outside of multichamber vessel thoroughly in multichamber vessel
Cuticula contains the barrier layer of aluminum.Barrier layer blocks the inside of the 1st reception room, thus can interfere whether medicament mixes with liquid body
The confirmation of conjunction.Therefore, multichamber vessel is stripped from the 1st reception room with protective film in the use of multichamber vessel.
On the other hand, multichamber vessel with protective film even a part be stripped from outer surface when, also have moisture, oxygen and light
The case where changing Deng the property for invading into the 1st reception room, being housed in the 1st indoor medicament of receiving.Therefore, in order to easy
Whether ground distinguishes the reliability for the medicament being housed in multichamber vessel, it is desirable to be able to easily verify that multichamber vessel protective film
The multichamber vessel being stripped from multichamber vessel.
In addition, easily verifying that multichamber vessel is not limited only to have aluminum barrier with the requirement whether protective film has been stripped
The multichamber vessel protective film of layer, for having the barrier layer formed by other materials, to be stripped when using multichamber vessel
Multichamber vessel protective film for and it is general.
Whether the purpose of the present invention is to provide can easily verify that multichamber vessel protective film from multichamber vessel
The manufacturing method of the multichamber vessel protective film, multichamber vessel and multichamber vessel protective film that are stripped on main part.
For solving the means of technical problem
It is to be pasted onto the multichamber vessel for having main part for solving the multichamber vessel of above-mentioned technical problem with protective film
Multichamber vessel protective film on the main part, wherein the main part has multiple reception rooms and transparent resin
Surficial sheets, the multiple reception room are distinguished each other, and in the main part, the adjacent reception room can be mutual
Connection, can have through the inside of reception room described in the surficial sheets visual confirmation, the multichamber vessel protective film by
The easy-peel absciss layer of the resin constituted according to the mode being pasted on the surficial sheets and relative to the easy-peel absciss layer be located at
The barrier layer of the main part opposite side, to surficial sheets and described under 150 DEG C or more and 220 DEG C of temperature below
The heat seal strength (sealing intensity) based on JIS Z 0238 when multichamber vessel is sealed with protective film be 3N/15mm or more and
10N/15mm is hereinafter, and being configured to when removing the multichamber vessel protective film from the surficial sheets, being described easy-peel
Agglutination removing occurs for absciss layer.
It is to be pasted onto the multichamber vessel for having main part for solving the multichamber vessel of above-mentioned technical problem with protective film
Multichamber vessel protective film on the main part, wherein the main part has multiple reception rooms and transparent resin
Surficial sheets, the multiple reception room are distinguished each other, and in the main part, the adjacent reception room can be mutual
Connection, can have through the inside of reception room described in the surficial sheets visual confirmation, the multichamber vessel protective film by
The easy-peel absciss layer of the resin constituted according to the mode being pasted on the surficial sheets and relative to the easy-peel absciss layer be located at
The barrier layer of the main part opposite side, the easy-peel absciss layer, which has, contains polyethylene and the incompatible or part in polyethylene
Compatible polyacrylic island structure, and be configured to when removing the multichamber vessel from the surficial sheets with protective film
Agglutination removing occurs.
Multichamber vessel for solving above-mentioned technical problem has main part and above-mentioned multichamber vessel protective film, described
Main part is the main part for having the surficial sheets of multiple reception rooms and transparent resin, the multiple reception room quilt each other
It distinguishes, the adjacent reception room can be connected to each other, can be through reception room described in the surficial sheets visual confirmation
Inside, the multichamber vessel protective film constitutes in the way of being pasted on the surficial sheets.
Multichamber vessel for solving above-mentioned technical problem has main part and above-mentioned multichamber vessel protective film, described
Main part is the main part for having the surficial sheets of multiple reception rooms and transparent resin, the multiple reception room quilt each other
It distinguishes, the adjacent reception room can be connected to each other, can be through reception room described in the surficial sheets visual confirmation
Inside, the multichamber vessel protective film constitutes in the way of being pasted on the surficial sheets, and the surficial sheets are
Polypropylene system.
Manufacturing method for solving the multichamber vessel of above-mentioned technical problem has: preparing main part, which is tool
The main part of the surficial sheets of standby multiple reception rooms and transparent resin, the multiple reception room are distinguished each other, phase
The adjacent reception room can be connected to each other, can be through the inside of reception room described in the surficial sheets visual confirmation；It is quasi-
Standby multichamber vessel protective film, which has is constituted in the way of being pasted on the surficial sheets
The easy-peel absciss layer and barrier layer of resin；And it is located at and the main part according to the barrier layer relative to the easy-peel absciss layer
The mode of opposite side, under 150 DEG C or more and 220 DEG C of temperature below to the multichamber vessel protective film and the surface
Sheet material is sealed, wherein the heat seal strength (sealing intensity) based on JIS Z 0238 of multichamber vessel protective film is
3N/15mm or more and 10N/15mm from the surficial sheets hereinafter, and according to removing the multichamber vessel with protective film
When, the easy-peel absciss layer occurs the mode of agglutination removing and constitutes.
Detailed description of the invention
Fig. 1 is the top view for indicating the structure of multichamber vessel of one embodiment of front observation.
Fig. 2 is the sectional view for indicating the lateral section structure of multichamber vessel of Fig. 1.
Fig. 3 is the signal that schematically shows the structure of easy-peel absciss layer that the surface side protective film of the embodiment has
Figure.
Fig. 4 is the top partial view diagram for indicating a part of the structure of multichamber vessel of front observation Fig. 1.
Fig. 5 is the action diagram of the effect of the multichamber vessel for explanatory diagram 1.
Fig. 6 is the flow chart of the manufacturing method of the multichamber vessel for explanatory diagram 1.
Fig. 7 is the curve graph for indicating the relationship of heat-sealing temperature and sealing intensity in test example.
Symbol description
10 multichamber vessels, 11 main parts, 11F surficial sheets, 21 easy-peel absciss layers, 22 supporting layers, 24,32 barrier layers.
Specific embodiment
Referring to Fig.1~Fig. 7 illustrates the manufacturing method of multichamber vessel protective film, multichamber vessel and multichamber vessel
The embodiment embodied.Next coming in order illustrate the structure of multichamber vessel, the effect of multichamber vessel, multichamber vessel system
Make method and test example.
[structure of multichamber vessel]
Referring to Fig.1~Fig. 4 illustrates the structure of multichamber vessel.In addition, multichamber vessel refers to the appearance for having multiple reception rooms
Device.
As shown in Figure 1, multichamber vessel 10 has: bag-shaped main part 11, surface side protective film 12, back side protective film
13 and oral area 14.Main part 11 has adjacent each other the 1st reception room 11a and the 2nd reception room 11b.1st reception room 11a
It is distinguished each other with the 2nd reception room 11b.In main part 11, the 1st reception room 11a and the 2nd reception room 11b can connect each other
It is logical.The connection of 1st reception room 11a and the 2nd reception room 11b for example can be by being housed in the receiving of the 1st reception room 11a and the 2nd
The pressurization of liquid body at least one of room 11b and be possibly realized.
Surface side protective film 12 is an example of multichamber vessel protective film.Surface side protective film 12 is according to by the 1st reception room
The mode of 11a covering is pasted onto the resin system of main part 11 and on transparent surficial sheets 11F.Surface side protective film 12 is easy-peel
Film from property can be removed with main body 11.On the other hand, once 12 main body 11 of surface side protective film is stripped, then without
Method is pasted onto again on main part 11.Back side protective film 13 is pasted onto the face in main part 11 with sticky table surface side protective film 12
At on the face of opposite side.
Back side protective film 13 equally can be the film of easy peelability with surface side protective film 12, it being can be autonomous
The film that body portion 11 is removed.Alternatively, back side protective film 13 can also be the film without easy peelability.At this point, working as back side
When protective film 13 is removed from main part 11, when being compared to removing easy peelability film, power by a larger margin is needed.
Back side protective film 13 has in the side opposite with the 2nd reception room 11b relative to the 1st reception room 11a through back
The hanging hole 13a of surface side protective film 13.When using multichamber vessel 10, hanging hole 13a is through on the hook of infusion stand.To,
Come with the state that the 1st reception room 11a, the upside of the 2nd reception room 11b and oral area 14 from vertical direction are arranged in order using more
Room container 10.
Multichamber vessel 10 for example accommodates the medicament of drop.In 2 spaces being distinguished in main part 11, received the 1st
The medicament of containing powder shape in room 11a accommodates the liquid body for conveying medicament in the 2nd reception room 11b.Medicament can root
Various medicaments are used according to the purposes of multichamber vessel 10.Liquid body and medicament according to the purposes of multichamber vessel 10 it is also possible to use
Various liquid bodies.In addition, liquid body can be used such as pure water or physiological saline.In addition, the 1st reception room 11a and unlimited
In powdered medicament, liquid body can also be accommodated.At this point it is possible to be both the 1st reception room 11a and the 2nd reception room 11b receiving
Liquid body can also be the medicament of the 1st reception room 11a receiving liquid body and the 2nd reception room 11b containing powder.
Oral area 14 has tubular, is formed with access 14a by the inner peripheral surface of oral area 14 (referring to Fig. 2).Oral area 14 leads to
Road 14a is connected to the 2nd reception room 11b.Oral area 14 is supplied the liquid body being housed in main part 11 to main body by access 14a
The outside in portion 11.
As shown in Fig. 2, main part 11 has surficial sheets 11F and back-sheet 11R.Main part 11 is surficial sheets 11F
Conjugant made of being engaged with back-sheet 11R by heat-sealing.The periphery of 1st reception room 11a and the periphery of the 2nd reception room 11b
It is by joint portion made of heat-sealing engagement.In main part 11, between the 1st reception room 11a and the 2nd reception room 11b exist every
Wall portion 11c.Wall part 11c is one of the joint portion formed by heat-sealing.
Wall part 11c distinguishes the 1st reception room 11a and the 2nd reception room 11b each other.2 sheet materials of wall part 11c
Between heat seal strength (being denoted as sealing intensity below) it is lower than the part in joint portion in addition to wall part 11c.Wall part 11c
Such as by than being formed and heat-sealing under the part lower temperature in addition to wall part 11c.That is, being used to form the heat of wall part 11c
The temperature that the temperature of envelope compares the part heat-sealing in addition to wall part 11c is low.The sealing intensity of wall part 11c is by being housed in
Liquid body in 2nd reception room 11b is extruded from the 2nd reception room 11b towards the 1st reception room 11a, passes through liquid body is added
It presses, to the intensity of the peeling-off degree of the engagement between 2 sheet materials.
Resin can be used in the material for forming each sheet material 11F, 11R.Formed sheet material resin can be used for example polypropylene,
Ethylene-vinyl alcohol copolymer resin and polyvinyl chloride etc..In these, the main part 11 of the polypropylene aspect high from heat resistance
It is preferred that.Each sheet material 11F, 11R are not limited to the single layer structure formed by specific resin, can also have multilayered structure.Surface
In the multilayered structure that sheet material 11F has for example, polypropylene layer, ethylene-vinyl alcohol copolymer resin layer and polypropylene layer by layer
Structure made of folded.It, can shape in multiple layers in addition, when there is multilayered structure and each layer to be formed by resin by each sheet material 11F, 11R
Resin at each layer is different each other, can be identical each other to form the resin of each layer in multiple layers.In addition, working as back-sheet
When 11R has multilayered structure, main part 11 can contain metal layer.Metal layer is for example, aluminium foil and aluminium
Layer is deposited.At this point, multichamber vessel 10 can not also have back side protective film 13.
Surface side protective film 12 has: easy-peel absciss layer 21, supporting layer 22, the 1st substrate layer 23, barrier layer 24 and the 2nd substrate
Layer 25.Easy-peel absciss layer 21 contains the contact surface 21S for being contacted with surficial sheets 11F.In 150 DEG C or more and 220 DEG C of temperature below
Under the sealing intensity of surface side protective film 12 when being sealed to surficial sheets 11F and surface side protective film 12 be 3N/15mm
Above and 10N/15mm hereinafter, and when surface side protective film 12 is removed from surficial sheets 11F, easy-peel absciss layer 21 occurs solidifying
Collection removing.
Sealing intensity between the surficial sheets 11F and surface side protective film 12 of main part 11 is by being based on JIS Z 0238
Specified in the method for " test method of heat-sealing flexible package and semi rigid receptacle " measure.
Barrier layer 24 is aluminum, is located relative to easy-peel absciss layer 21 side opposite with main part 11.The barrier of aluminum
Layer 24 can for example enumerate the vapor deposition layer of aluminium foil and aluminium.Have barrier layer 24 by surface side protective film 12, can be protected by surface
Cuticula 12 inhibits moisture, oxygen and light etc. to penetrate from the external of multichamber vessel 10 to the 1st reception room 11a.
In addition, the material for forming barrier layer 24 is not limited to aluminium, such as it can also be metal, the inorganic oxide other than aluminium
Object and resin etc..When the material for forming barrier layer 24 is resin, it is preferable to use have to be compared to for the resin of formation barrier layer 24
It forms the layer of other resins of surface side protective film 12, be more difficult to the tree through at least one kind of characteristic in moisture, oxygen and light
Rouge.Ethylene-vinyl alcohol copolymer resin can be used for example in the resin for being used to form barrier layer 24.Inhibit the saturating of light in addition, having
The film of the resinousness through colouring or the printing layer of light-proofness can be used in the barrier layer 24 for the characteristic crossed.
Supporting layer 22 is contacted with easy-peel absciss layer 21 between easy-peel absciss layer 21 and barrier layer 24.Supporting layer 22 is for example
For polyethylene system.
The layer that 1st substrate layer 23 and the 2nd substrate layer 25 are made of resin respectively.Each substrate layer 23,25 can be used by various
The resin film that resin is formed.Poly terephthalic acid can be used for example in the resin film for forming the 1st substrate layer 23 and the 2nd substrate layer 25
The film of glycol ester.
Back side protective film 13 has: the 1st substrate layer 31, barrier layer 32 and the 2nd substrate layer 33.1st substrate layer 31 and master
The back-sheet 11R in body portion 11 is contacted, and barrier layer 32 is clamped by the 1st substrate layer 31 and the 2nd substrate layer 33.1st substrate layer 31
And the 2nd substrate layer 33 can be by material identical with the 1st substrate layer 23 that surface side protective film 12 has and the 2nd substrate layer 25
To be formed.Barrier layer 32 can be formed by the identical material of the barrier layer 24 having with surface side protective film 12.
In addition, structure when not having easy peelability Fig. 2 shows back side protective film 13, but back side protective film 13
There can be easy peelability same as surface side protective film 12 as described above.As long as at this point, back side protective film 13 have can
Structure suitable for surface side protective film 12.
Fig. 3 indicates the planar structure for the easy-peel absciss layer 21 observed from the thickness direction of surface side protective film 12.In Fig. 3,
For ease of distinguishing the island portion and extra large shape portion in island structure, island portion band is a little.
As shown in figure 3, easy-peel absciss layer 21 has containing polyethylene and incompatible or partially compatible poly- third in polyethylene
The island structure of alkene.The island structure that easy-peel absciss layer 21 has is by forming extra large shape portion 21a and the dispersion of the shape of easy-peel absciss layer 21
It is constituted in multiple island portion 21b in extra large shape portion 21a.In 2 resins that easy-peel absciss layer 21 contains, polyethylene constitutes extra large shape portion
21a, polypropylene constitute island portion 21b.Island portion 21b can have any one shape in spherical, rodlike and stratiform etc..Island
Portion 21b preferably from from the thickness direction of easy-peel absciss layer 21, project major diameter in shape made of each island portion 21b be 1 μm with
Under.
When removing surface side protective film 12 from the surficial sheets 11F of main part 11, in the inside of easy-peel absciss layer 21
Agglutination occurs to destroy, thus surface side protective film 12 is removed from the surficial sheets 11F of main part 11.Therefore, easy-peel absciss layer
21 a part remains in the surficial sheets 11F of main part 11 in the form of removing the removing trace after surface side protective film 12
On.
As described above, in surface side protective film 12, to surficial sheets 11F under 150 DEG C or more and 220 DEG C of temperature below
The sealing intensity of surface side protective film 12 when being sealed with surface side protective film 12 be 3N/15mm or more and 10N/15mm with
Under.Therefore, when being sealed with the temperature of 150 DEG C or more and 220 DEG C or less this wide scopes, sealing intensity is as easily peelable
Layer 21 occurs the sealing intensity of the surface side protective film 12 of agglutination removing, maintains preferred value.In other words, as surface side
The sealing intensity of protective film 12, in order to which the range for obtaining the permitted heat-sealing temperature of desired sealing intensity is very wide.
When easy-peel absciss layer 21 is had containing polyethylene and polyacrylic island structure, preferred surficial sheets of main part 11
11F is polypropylene system.Since the surficial sheets 11F of main part 11 is polypropylene system, it is easy to make containing polyethylene and gather
The sealing intensity of the contact surface 21S and surficial sheets 11F of propylene are desired intensity.
The material of easy-peel absciss layer 21 is formed other than polyethylene and polypropylene, such as can also contain lubricant etc..It is easy-peel
Absciss layer 21 using polyethylene and polypropylene as principal component and when to form the material of supporting layer 22 be polyethylene, preferred supporting layer 22
The ratio between the thickness (T21) of thickness (T22) and easy-peel absciss layer 21 (T22:T21) is 6:1.It is easy to make the close of easy-peel absciss layer 21 as a result,
Sealing strength is desired sealing intensity.
In addition, being 150 DEG C or more and 220 DEG C or less in the temperature sealed to easy-peel absciss layer 21 and surficial sheets 11F
Under conditions of, the sealing intensity as long as easy-peel absciss layer 21 meet 3N/15mm or more and 10N/15mm hereinafter, as long as form easy-peel absciss layer
The material in addition to above-mentioned polyethylene and polypropylene can be used in 21 material.The material for forming easy-peel absciss layer 21 can for example make
Polypropylene is replaced with polystyrene or PB Polybutene-1.
Fig. 4 is shown in the planar structure of front observation multichamber vessel 10 only near the 1st reception room 11a and the 1st reception room 11a
Part.
As shown in figure 4, from being carried out from the opposite direction of the plane stretched with the surficial sheets 11F of main part 11, main body
Portion 11 has cricoid main body joint portion 11d.Main body joint portion 11d contains above-mentioned wall part 11c.In main part 11, pass through
Main body joint portion 11d and distinguish the 1st reception room 11a.Main body joint portion 11d be 2 sheet materials 11F, 11R as described above engagement and
At part.In each portion for constituting main body joint portion 11d, the direction vertical with the direction that the part extends is main body joint portion
The width of 11d, that is, main body engaged width W11.
Surface side protective film 12 is heat-sealed on the surficial sheets 11F of main part 11.From the surficial sheets with main part 11
The opposite direction observation of the plane of 11F stretching, extension, surface side protective film 12 have cricoid film joint portion 12a.Surface side protective film
12 film joint portion 12a is that easy-peel absciss layer 21 is engaged in part made of surficial sheets 11F.Forming film joint portion 12a's
In each portion, the size on the direction vertical with the direction that the part extends is film joint portion 12a width i.e. film engaged width W12.
From the direction opposite from the plane stretched with the surficial sheets 11F of main part 11, the film joint portion preferred film of 12a is connect
The whole week of conjunction portion 12a be respectively positioned on the 11d of main body joint portion and the preferred film joint portion 12a of film engaged width W12 entire one
Engaged width W11 or less based on Zhou Jun.In other words, opposite from the plane stretched with the surficial sheets 11F of main part 11
Direction observation, the whole week of the preferred film joint portion 12a of film joint portion 12a do not expose from main body joint portion 11d.
As a result, when removing surface side protective film 12 from main part 11, external force is to the 1st reception room of formation in main part 11
The effect of the part of 11a, the effect for the part for being lower than main body joint portion 11d to mechanical strength are inhibited.As a result, when by table
Surface side protective film 12 can inhibit the 1st reception room 11a when removing from main part 11 and damage.
In addition, when film joint portion 12a is only located on the 11d of main body joint portion, by surface side protective film 12 from main part
When removing on 11, removing trace 21c will not be remained by being formed on the part of the 1st reception room 11a in main part 11, therefore never be dropped
Set out in terms of the visual confirmation of low multichamber vessel 10 it is also preferred that.
[effect of multichamber vessel]
Illustrate the effect of multichamber vessel 10 referring to Fig. 5.
As shown in figure 5, being housed in the 1st reception room 11a when using multichamber vessel 10 according to that can confirm by visual observation
The mode of state that is mixed with the liquid body L being housed in the 2nd reception room 11b of medicament M, the 1st reception room will be covered
The surface side protective film 12 of 11a is removed from the surficial sheets 11F of main part 11.
At this point, the easy-peel absciss layer 21 for being contacted with surficial sheets 11F is destroyed since agglutination occurs in the inside of easy-peel absciss layer 21,
Therefore a part of easy-peel absciss layer 21 is remained in the form of removing trace 21c on surficial sheets 11F.Remove trace 21c and table
Facesheet 11F is compared and gonorrhoea is had occurred, therefore can readily distinguish surficial sheets 11F and removing trace 21c by visual observation.Such as
This sends out due to remaining the removing trace 21c of easy-peel absciss layer 21 on the surficial sheets 11F of main part 11 with easy-peel absciss layer 21
The case where raw interface peel compares, can the state of surficial sheets 11F by visual observation easily verify that surface side protective film 12
Whether removed from the surficial sheets 11F of main part 11.
[manufacturing method of multichamber vessel]
Illustrate the manufacturing method of multichamber vessel 10 referring to Fig. 6.
As shown in fig. 6, the manufacturing method of multichamber vessel 10 includes: main part preparatory process (step S1), film preparatory process
(step S2) and heat-sealing process (step S3).
In main part preparatory process, as described above, preparing the resin system for having the 1st reception room 11a and the 2nd reception room 11b
Main part 11.1st reception room 11a and the 2nd reception room 11b is distinguished each other.By be housed in the 1st reception room 11a and
The pressurization of liquid body L at least one of 2nd reception room 11b, is connected between the 1st reception room 11a and the 2nd reception room 11b.
In film preparatory process, prepare to have containing the resin system that is contacted with main part 11 and the contact surface of transparent surficial sheets 11F
The easy-peel absciss layer 21 of the resin of 21S and the surface side protective film 12 of barrier layer 24.
In heat-sealing process, surface side protective film 12 is configured in surface patch in the way of by the 1st reception room 11a covering
On material 11F.In the state that barrier layer 24 is located at the side opposite with main part 11 relative to easy-peel absciss layer 21,150 DEG C with
Surface side protective film 12 and surficial sheets 11F are sealed at upper and 220 DEG C of temperature below.It can get as a result, and have master
The multichamber vessel 10 in body portion 11 and surface side protective film 12, wherein the sealing intensity of surface side protective film 12 is 3N/15mm or more
And 10N/15mm hereinafter, and according to when surface side protective film 12 is removed from surficial sheets 11F, easy-peel absciss layer 21 is aggregated
The mode of removing and constitute.
[test example]
Illustrate test example referring to Fig. 7.
[test example 1]
Prepare to try the 1st substrate, barrier layer, the 2nd substrate, supporting layer and easy-peel absciss layer by made of the sequence stacking recorded
Test the surface side protective film of example 1.In addition, following setting forms the material of each layer and the thickness of each layer.
[composition of surface side protective film]
Supporting layer is the layer of polyethylene, and the thickness of supporting layer is about 22.5 μm.Easy-peel absciss layer is with ethylene-vinyl acetate
Ester resin is the layer of principal component, and the thickness of easy-peel absciss layer is about 7.5 μm.
The to-be-connected body that surface side protective film as test example 1 is heat-sealed prepares the resin film of polypropylene.It will be connect
Fit thickness is set as 215 μm.The temperature sealed by the surface side protective film to test example 1 and by engagement is from 100 DEG C
It is changed to 220 DEG C of every 10 DEG C of ground, obtains conjugant made of engaging at each temperature.At this point, by the sealing pressure of heat sealing machine
Power is set as 0.2MPa, Sealing period is set as to 0.1 second.
[test example 2]
In addition to the supporting layer and easy-peel absciss layer that constitute surface side protective film are changed to the CF film 7601A with a thickness of 30 μm
Other than (Toray Film processes Co. Ltd. system), protected using the surface side that method identical with test example 1 obtains test example 2
Film.In addition, the thickness of supporting layer is about 25.7 μm, the thickness of easy-peel absciss layer is about 4.3 μm.Easy-peel absciss layer is with polyethylene and to gather
Propylene is principal component and the layer with island structure.
[test example 3]
In addition to the supporting layer and easy-peel absciss layer that constitute surface side protective film are changed to the CMPS 305C with a thickness of 30 μm
Other than (Mitsui Chemicals Tohcello Co. Ltd. system) (CMPS is registered trademark), using identical with test example 1
The surface side protective film of method acquisition test example 3.
[evaluation]
[sealing intensity]
For test example 1~3, the sealing of the easy-peel absciss layer in conjugant made of being sealed at each temperature is measured respectively
Intensity.The measurement of sealing intensity uses the method based on JIS Z 0238.In addition, for being connect made of sealing at each temperature
Zoarium prepares 3 samples, the average value of 3 samples is acquired as sealing intensity.
As shown in Figure 7 it is found that in test example 1, in 100 DEG C~130 DEG C when being sealed at each temperature, easy-peel absciss layer
Sealing intensity is less than 3N/15mm.And when being sealed at 140 DEG C~180 DEG C of each temperature and 220 DEG C, it is known that easy-peel absciss layer
Sealing intensity be 3N/15mm or more and 10N/15mm or less.But it is sealed at each temperature at 190 DEG C~210 DEG C
When, it is known that the sealing intensity of easy-peel absciss layer is more than 10N/15mm.
In test example 2, in 100 DEG C~140 DEG C when being sealed at each temperature, it is known that the sealing intensity of easy-peel absciss layer is small
In 3N/15mm.And in 150 DEG C~220 DEG C when being sealed at each temperature, it is known that the sealing intensity of easy-peel absciss layer is 3N/
15mm or more and 10N/15mm or less.
In test example 3, in 100 DEG C~170 DEG C when being sealed at each temperature, it is known that the sealing intensity of easy-peel absciss layer is small
In 3N/15mm.And in 180 DEG C~220 DEG C when being sealed at each temperature, it is known that the sealing intensity of easy-peel absciss layer is 3N/
15mm or more and 10N/15mm or less.
It follows that according to the surface side protective film of test example 2, compared with each surface side protective film of test example 1,3, energy
Temperature range when enough obtaining 3N/15mm or more and the heat-sealing of 10N/15mm sealing intensity below is wider.
[removing trace]
For each surface side protective film of test example 1~3, there will be 3N/15mm or more and 10N/15mm is below close
When the conjugant of sealing strength is separated, visually observe on to-be-connected body whether remain removing trace.The surface side of test example 1 is protected
In cuticula, it is known that no matter which kind of seal when temperature, do not remain removing trace in to-be-connected body.In other words, it is known that each
From to-be-connected body interface peel occurs for the easy-peel absciss layer of test example 1.
In contrast, in the surface side protective film of test example 2 and test example 3, it is known that no matter which kind of seal when temperature,
Residual removes trace in to-be-connected body.In other words, it is known that the easy-peel absciss layer of test example 2 and test example 3 is from to-be-connected body
Agglutination removing occurs.
[accelerated test]
For 1~test example of test example 3, respectively to seal when temperature be 190 DEG C, 200 DEG C and 210 DEG C surface side protect
Cuticula is as subjects.It is taken care of each surface side protective film 15 days in the environment of temperature is 60 DEG C and humidity is 60%.In addition,
The sealing intensity after sealing intensity and keeping for each surface side protective film, before measurement keeping.Measurement result table 1 for example below
It is shown.
Table 1
As shown in Table 1, in the surface side protective film of test example 2 and test example 3, no matter which kind of seal when temperature,
Before and after keeping, the sealing intensity of easy-peel absciss layer has almost no change.In contrast it is found that test example 1 surface side
In protective film, no matter which kind of seal when temperature, the sealing intensity of easy-peel absciss layer is greatly reduced after keeping.
As discussed above, according to the manufacturing method of multichamber vessel protective film, multichamber vessel and multichamber vessel
An embodiment, the advantages of being exemplified below out can be obtained.
(1) when removing easy-peel absciss layer 21 from the surficial sheets 11F of main part 11, since easy-peel absciss layer 21 occurs to coagulate
Collection removing, therefore a part of easy-peel absciss layer 21 is attached on surficial sheets 11F.In this way, the removing trace 21c of easy-peel absciss layer 21
Remain on the surficial sheets 11F of main part 11, therefore compared with the composition of interface peel occurs for easy-peel absciss layer 21, can pass through
The state of visual surficial sheets 11F easily verifies that whether easy-peel absciss layer 21 has been shelled from the surficial sheets 11F of main part 11
From.
(2) it can inhibit moisture, oxygen and light etc. by surface side protective film 12 to receive from external penetrate to the 1st of multichamber vessel 10
Room 11a.
(3) since the surficial sheets 11F of main part 11 is polypropylene system, it can easily make containing polyethylene and gather
The sealing intensity of the contact surface 21S and surficial sheets 11F of propylene are desired intensity.
In addition, above-mentioned embodiment is implemented after can suitably changing as follows.
[main part]
When using multichamber vessel 10, it can be located at according to the 1st reception room 11a and more lean on vertical direction than the 2nd reception room 11b
Downside mode, in main part 11 arrange the 1st reception room 11a and the 2nd reception room 11b, and oral area 14 be connected to the 1st accommodate
Room 11a.
The quantity for the reception room that main part 11 is distinguished can also be changed to 3 or more.
[purposes]
The purposes of liquid body that multichamber vessel 10 is not limited to accommodate medicament respectively and mix with medicament, can be also used for it
His purposes.For example, multichamber vessel 10 can also be used for being accommodated respectively as the material for forming bone cement or gear division filler
The purposes of dusty material and liquid-like material.
Claims (6)
1. a kind of multichamber vessel protective film is the multicell being pasted on the main part for the multichamber vessel for having main part
Container protective film, wherein
The main part has the surficial sheets of multiple reception rooms and transparent resin, and the multiple reception room is each other by area
It separates,
In the main part, the adjacent reception room can be connected to each other,
The inside of reception room described in the surficial sheets visual confirmation can be penetrated,
The multichamber vessel has with protective film: the resin constituted in the way of being pasted on the surficial sheets it is easy-peel
Absciss layer；It is located at barrier layer with the main part opposite side with relative to the easy-peel absciss layer,
Heat is carried out with protective film to the surficial sheets and the multichamber vessel under 150 DEG C or more and 220 DEG C of temperature below
The heat seal strength based on JIS Z 0238 when envelope is 3N/15mm or more and 10N/15mm hereinafter, and being configured to will be described more
When room container protective film is removed from the surficial sheets, the easy-peel absciss layer agglutination removing occurs.
2. a kind of multichamber vessel protective film is the multicell being pasted on the main part for the multichamber vessel for having main part
Container protective film, wherein
The main part has the surficial sheets of multiple reception rooms and transparent resin, and the multiple reception room is each other by area
It separates,
In the main part, the adjacent reception room can be connected to each other,
The inside of reception room described in the surficial sheets visual confirmation can be penetrated,
The multichamber vessel has with protective film: the resin constituted in the way of being pasted on the surficial sheets it is easy-peel
Absciss layer；It is located at barrier layer with the main part opposite side with relative to the easy-peel absciss layer,
The easy-peel absciss layer has containing polyethylene and incompatible or partially compatible polyacrylic island is tied in polyethylene
Structure, and be configured to that agglutination removing occurs when removing the multichamber vessel protective film from the surficial sheets.
3. multichamber vessel protective film according to claim 1 or 2, wherein the barrier layer is aluminum.
4. a kind of multichamber vessel has main part and multichamber vessel protective film according to any one of claims 1 to 3,
The main part is the main part for having the surficial sheets of multiple reception rooms and transparent resin, the multiple reception room
It is distinguished each other, the adjacent reception room can be connected to each other, can penetrate the surficial sheets visual confirmation institute
The inside of reception room is stated,
The multichamber vessel protective film is constituted in the way of being pasted on the surficial sheets.
5. a kind of multichamber vessel has main part and multichamber vessel protective film as claimed in claim 2,
The main part is the main part for having the surficial sheets of multiple reception rooms and transparent resin, the multiple reception room
It is distinguished each other, the adjacent reception room can be connected to each other, can penetrate the surficial sheets visual confirmation institute
The inside of reception room is stated,
The multichamber vessel protective film is constituted in the way of being pasted on the surficial sheets,
The surficial sheets are polypropylene system.
6. a kind of manufacturing method of multichamber vessel, has:
Prepare main part, which is the main part for having the surficial sheets of multiple reception rooms and transparent resin, described
Multiple reception rooms are distinguished each other, and the adjacent reception room can be connected to each other, can penetrate the surficial sheets
The inside of reception room described in visual confirmation；
Prepare multichamber vessel protective film, which has in the way of being pasted on the surficial sheets
The easy-peel absciss layer and barrier layer of the resin of composition；And
In such a way that the barrier layer is located at the side opposite with the main part relative to the easy-peel absciss layer, at 150 DEG C
Multichamber vessel protective film and the surficial sheets are sealed above and at 220 DEG C of temperature below,
Wherein, the heat seal strength based on JIS Z 0238 of multichamber vessel protective film is 3N/15mm or more and 10N/
15mm is hereinafter, and according to when removing the multichamber vessel protective film from the surficial sheets, the easy-peel absciss layer hair
It is raw to be aggregated the mode removed and constitute.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2018-010596 | 2018-01-25 | ||
| JP2018010596A JP7206594B2 (en) | 2018-01-25 | 2018-01-25 | Protective film for multi-chamber container, multi-chamber container, and method for manufacturing multi-chamber container |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110077708A true CN110077708A (en) | 2019-08-02 |
| CN110077708B CN110077708B (en) | 2022-10-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910057276.6A Active CN110077708B (en) | 2018-01-25 | 2019-01-22 | Protective film for multi-chamber container, and method for manufacturing multi-chamber container |
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| JP (1) | JP7206594B2 (en) |
| CN (1) | CN110077708B (en) |
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| JP7327148B2 (en) | 2019-12-20 | 2023-08-16 | 住友金属鉱山株式会社 | Liquid phase epitaxial growth method for bismuth-substituted rare earth-iron garnet films |
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| JP3700039B2 (en) * | 1997-01-20 | 2005-09-28 | 株式会社大塚製薬工場 | Plastic film multi-chamber container |
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| JPH08280775A (en) * | 1995-04-11 | 1996-10-29 | Nissho Corp | Flexible double chamber container |
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Also Published As
| Publication number | Publication date |
|---|---|
| JP2019127294A (en) | 2019-08-01 |
| JP7206594B2 (en) | 2023-01-18 |
| CN110077708B (en) | 2022-10-04 |
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