CN106009139A - Sealing gasket, container sealing body and polymer composite used for sealing gasket as well as application - Google Patents
Sealing gasket, container sealing body and polymer composite used for sealing gasket as well as application Download PDFInfo
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- CN106009139A CN106009139A CN201610343954.1A CN201610343954A CN106009139A CN 106009139 A CN106009139 A CN 106009139A CN 201610343954 A CN201610343954 A CN 201610343954A CN 106009139 A CN106009139 A CN 106009139A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D53/00—Sealing or packing elements; Sealings formed by liquid or plastics material
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/06—Polyethene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/08—Copolymers of ethene
- C08L23/0807—Copolymers of ethene with unsaturated hydrocarbons only containing more than three carbon atoms
- C08L23/0815—Copolymers of ethene with aliphatic 1-olefins
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L53/00—Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L53/00—Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
- C08L53/02—Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers of vinyl-aromatic monomers and conjugated dienes
- C08L53/025—Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers of vinyl-aromatic monomers and conjugated dienes modified
-
- 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
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
-
- 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
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/062—HDPE
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2314/00—Polymer mixtures characterised by way of preparation
- C08L2314/06—Metallocene or single site catalysts
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Closures For Containers (AREA)
Abstract
The invention relates to a sealing gasket, a container sealing body and a polymer composite used for the sealing gasket as well as application. The polymer composite is a polymer composite used for the sealing gasket of the container sealing body, especially used for a fat-containing filler; the polymer composite is formed for reducing migration of a composite component into the filler. The polymer composite is characterized in that Shore A hardness of the polymer composite ranges from 45 to 90; the polymer composite shows 30%-90% compression permanent deformation (DVR) at a temperature being 70 DEG in a compression deformation test similar to an ASTM D395-97 method B.
Description
The present patent application is in filing date submission on November 20th, 2009, Application No.
(20098016254.6 international application no is PCT/EP2009/008273) and invention entitled "
Carry out the polymer complex sealed in the case of fatty filler " the division of application for a patent for invention
Application.
Technical field
The present invention relates to a kind of sealing lining for (making with metal or plastics) vessel closure
The polymer complex of pad, described vessel closure is for holding the most fatty filler
The container received, described polymer complex is constructed so that sealing component is to fatty filler
In migration reduce.
Background technology
The bigger vessel closure particularly Twistoff lug Cap of considered type, described Twistoff lug Cap
It is typically used in the screw cap tank being packaged for food or beverage.Described food frequently involves containing fat
The product of fat, such as prepared food, flavoring agent, exquisite food, the fish in oil, appetizing food
Thing, spice cream etc., the content of its oils and fats or oil improves the fat-soluble ingredient of packaging material and dissolves in
Danger in food.
These requirements have compression typical case and turn on (Press-on) obturator tank in
The baby food sold is particular importance.
Complex without PVC is used in crown plug or narrow mouth container spiral by industrial quarters for a long time
The liner of obturator, and still as original, the complex containing PVC is used in as
There is the screw cap etc. of the vessel closure of the container of larger internal diameter.Generally, such containing PVC
Complex at room temperature form with fluid form, with the system of plasticizer-containing apply.
The encapsulant with less migration, described sealing material can be prepared based on soft-PVC technology
Expect commonly used polyester adipate.Due to its molecular weight, ratio less easily moves described encapsulant
Move, but according to our understanding, the degraded the most also not carrying out being formed the most under one's belt is produced
The oxicity analysis of thing.The experimental technique EN 1186 being used for analyzing migration of regulation supposes: described
Migrate and terminate after 10 days under the storage of 40 DEG C.The teaching of analytical practice is at PVC
It is not above-mentioned situation in the case of softening, even if in the case of in accordance with test condition, closes
Body also alreadys more than migration limit after some months.Preferably, used according to the invention do not contain
The complex of PVC.Prevent above-mentioned by saving fluid components in the product according to the invention
Effect.
But, use the complex containing PVC to be not desirable in packaging material.Common
In the burning of Domestic refuse, from containing producing the gas containing acid halogen plastics, it is leaked to environment
In be harmful.Additionally, a small amount of PVC has interfered with the material recirculation of plastic garbage.
Additionally, such potted component based on PVC need use plasticizer, described plasticizer due to
Unacceptably change food and be worrying equally.Additionally, exist in recent years around
The public additive and its catabolite used in PVC seals discusses.Example in this
Be be typically derived from stabilizer 2 ethyl hexanoic acid and can be from the foaming agent of heat release such as azo formyl
The semicarbazides that amine is formed.The most once in filler, these materials, and its was found in official inspection
Exist and complained.
Packaging (the most also including the liner of vessel closure at this) component is in food
The most in general migration is not desirable to, but also carrys out strict supervision by law.Such
Regulation example be EG instruction 1935/2004,2023/2006,2002/72/EG, 372/2007
And 2007/19/EG.Now, the maximum amount of the component of migration allows as maximum 60ppm.
Can it is observed that migration degree by the most particularly in DIN EN 1186 limit
Method measure.Such method is also employed in the context of the present invention.
When obturator has to comply with rule above mentioned, in terms of the migration that its chemical constituent is possible
Regularly, it is important that for these it is considered herein that the vessel closure of type is arranged does not contains the close of PVC
Envelope liner.Equally, it is necessary in the case of filling, ensure sealing function.
Little vessel closure is used there is the obstruction function for specific pollutants
Liner, such as described vessel closure such as described in EP 0 503 124.
But, to the encapsulant in there is the vessel closure of vessel port of larger internal diameter
The requirement of (quantity of material just because of bigger in sealing) is harsher.For so
Application target particularly importantly manufacture potted component time by flowing enough for polymeric material
The sealing characteristics that property is enough in closed state is combined；Here, also include being presently required for
The sealing penetrated into or reveal of gas, is combined with high pressure valve effect, described high pressure if desired
Container explosion when valve effect is avoided in heating and produces overvoltage due to other reasons in a reservoir.So
And additionally, the typically used as purpose of container (such as canned food) for having larger open diameter
By chance it is desirable that at sterilising conditions (Sterilisierungsbedingungen) lower seal element be
Spendable.
Vessel closure described in EP 0 503 124 must can stand the place that there is mentioned
Reason mode such as pasteurize and hot filling, these obturators are typically designed for medicated beer, soft drink
The filling in conventional narrow neck carafe such as material, fruit juice.Make when pasteurize and hot filling
With until the temperature of 100 DEG C.The polymeric material used according to the present invention is made as being suitable for bar
Family name's sterilization and hot filling, and equally at required model when this external and fatty filler contacts
Enclose its sealing effectiveness of middle holding.
In all described features, sealing must also observe the above-mentioned possibility being relevant to chemical constituent
The requirement migrated.
In order to make the processing of conventional composite become simple, in described complex, generally add extending oil
And/or plasticizer.The most here application at a temperature of use fluid composition, as extending oil/
Or plasticizer (preferably white oil).
The most certified is if desired after change formula, to be added by such complex
Work is for having larger-diameter liner, but is equipped with the container closure of this liner
Body also not always meets the law in terms of chemical constituent migration.
Accordingly, it would be desirable to have the vessel closure of following liner based on polymer complex,
Described liner is preferably not based on PVC, and is suitable for having the interior diameter more than 2cm
The container of larger open.Here, such obturator should pasteurize, and
Do not demonstrate and migrated by the interference of the chemical constituent of encapsulant, and additionally obturator
Fatty filler should be used for.
Summary of the invention
The main object of the present invention is to provide a kind of being suitable for and manufactures such vessel closure
Liner, this achieve into vessel closure arrange potted component based on polymer complex,
This potted component is without PVC and observes the regulation in terms of the migration of packaging composition.
It is another object of the present invention to limit cell therefor obturator.
Additionally, the present invention includes the application of particularly suitable polymer complex, to produce this appearance
Device obturator.
In order to realize described purpose, according to the liner for vessel closure of the present invention by having
The complex having limited feature is constituted.
In principle according to the present invention, also provide vessel closure for such container, described container
The opening closed by vessel closure has the interior diameter more than 3cm.This corresponds to ratio one
As the interior diameter that had of the carafe closed in known manner by crown plug, screw cap etc.
Bigger interior diameter, such as described in EP-B1 0 503 124.
The invention is particularly suited to manufacture bigger vessel closure, be i.e. used for having more than 2.5
The vessel port of the interior diameter of cm is until having the opening to be closed of the interior diameter more than 4cm
Container.
Such vessel closure is suitable as the swivelling cover of bottle, such as fruit juice or milk bottle, deposits
Storage tank, jam-jar etc., and especially for fatty (particularly oil-containing) food as adjusted
The screw cap tank of taste product, spice cream etc..
Vessel closure according to the present invention (such as turns on (Press-on with so-called compressionThe form of)-obturator) apply also for infants and young's food in corresponding tank
Packaging.
According in the vessel closure of the present invention, potted component is configured in a similar manner at container
Liner on the inner surface of obturator, as this is this situation in known crown plug and screw cap.
In known bottle obturator (crown plug etc.), potted component is typically configured to and seals at container
Disk on the inner side of closure, and have in bigger vessel closure as according to the present invention
The meeting of profit is, only constitutes the annulus constituted with polymeric material with substituting it, and described annulus is holding
In open area, chamber wall it is placed under the closed state of device.Such annular seal element is
Known, but as described, it is the most only by containing PVC and the material system of plasticizer
Become, although above-mentioned potted component can also be manufactured with PU material.
Here, the method described in US 5 763 004 can be used, it is incorporated by reference
In this manual.
Detailed description of the invention
Substantially, manufacturing method according to the invention assumes that vessel closure base substrate is made of metal,
The most described vessel closure base substrate is within it located in advance by applicable primer
Reason.Described anticipating is need not in the case of plastic containers obturator.
Generally, the composition of primer is based on epoxy phenol.At this it is particularly suitable that ACTEGA
The paint system (there is the priming paint TPE279 of bonding coating TPE1500) of Rhenania company,
Most preferred complex according to the present invention particularly good sticks in described paint system.But,
Bonding coating is also based on polyester.
At this alternately, the primer layer being suitable for is by lamination, liner or perhaps also through co-extrusion
Apply.
By should be formed sealing member, can the polymeric material of thermic forma fluens be applied to so
The inner side of pretreated base substrate.At this it is particularly suitable that extruding, wherein seal at complex
Within the temperature range of between 100 DEG C and 260 DEG C.
When liner should be configured to disc, extruding can be such as in base substrate inner surface
Excess of the heart is existing.For the dosage of polymeric material of extruding by wiping the poly-of on jet pipe limited amount
Polymer composite obtains.
It follows that discoidal potted component by corresponding punching press from extrusion, also have mobility
Material forming (similar known SACMI method).
With the form revised, potted component can be logical in obturator or the outside of obturator base substrate
The compacting crossing the polymeric material being suitable for shapes, and is then incorporated in obturator or base substrate.
Described method is known as outer casing forming again by for little obturator SACMI.
Peculiarly, the invention relates essentially to container for accommodating beverage or food with metal or
The vessel closure that plastics are made, it is necessary to protect these beverages or food in the way of in accordance with law
Avoid the migration of packing composition.This is such as oil-containing or fatty food, the most prefabricated food
But the flavoring agent of product particularly oil-containing and spice cream, such as curried cream.Extending oil such as white oil,
But also plasticizer components is particularly easy to be dissolved in the oil of these foods and oil component.
In order to ensure the sealing of vessel closure, it is provided with sealing lining according to the vessel closure of the present invention
Pad, described liner meets above-mentioned one side and is relevant to its machinability, on the other hand phase
About the requirement of its sealing characteristics, and also satisfied the legal of migration being relevant to pack composition is wanted
Ask.
In order to realize this, the material of liner is chosen so as to avoid material component to containing as far as possible
Migration in the filler of fat, therefore only can be in the case of being consistent with applicable European standard
Filler detects not more than 60ppm, is preferably significantly less than the component of the migration of 60ppm.
As key component, the material of liner includes following polymer complex component, this group
Divide and preferably comprise two kinds of different polymer complexes.In this manual, term " copolymer "
With term " interpretation ", there is identical meanings, as also in patent documentation US-B1 6 235 822
Described.By other compositions that adulterate, such as other polymer complexes, can be by described
The characteristic of main polymer complex composition is appropriately modified.Therefore, it is surprisingly determined that
Such as olefin block copolymers described in EP-B1 714 427 is used as primary clustering
Realize described purpose, particularly mix when described olefin block copolymers and the second polymer complex
During conjunction.As the second polymer complex be suitable for be specific random copolymer, it is if desired
Be combined with HDPE, (co)-PP or other this polymer complex types, or pass through institute
State polymer complex type to substitute.
Additionally, be preferably provided with according to the present invention, the material of liner only contains only considerably less
Particularly preferably being entirely free of at a temperature of application is the component of fluid.Application temperature is usual
Identical with ambient temperature, the model of the conventional environment temperature the most out of doors or in the room of heating
In enclosing.Therefore, according to the present invention, the material of liner is only added a small amount of or the completeest
Entirely oily without fluid extender, in particular such as white oil.
In preferred form of implementation, material includes no more than 10%, is preferably no greater than 7%, special
Not You Xuanbu great Yu 4% and be particularly preferably not more than 1% lubricant, its in migrating test
Restrictively transferred in fatty filler in 10 days at 40 DEG C.
Now the most most preferably material in the analysis determination limit that application submits to the moment to provide the most not
It it is the component of fluid at a temperature of being included in application.
It is also preferable that the material of liner does not include plasticizer.
Because, especially when container seal diameter is more than 3cm and when material is as at EP0 503
Described in 124 like that based on elastomer chain segments, construct containing cinnamic block copolymer
Time, the complex that may be not added with extender of this liner is difficult to, so according to
Present invention preferably uses the material not comprising this polymer complex.
It is therefore preferable that the material being configured to liner, neither include described fluid extender oil,
The most do not include plasticizer, do not include having elastomer chain segments, containing cinnamic block copolymerization
Thing.The most preferably, the polymeric material of major constituent of liner is formed based on spy
Fixed poly-sub-hydrocarbon, described poly-sub-hydrocarbon can also be processed as using in the case of not having extending oil etc.
Liner in the vessel closure with the diameter more than 3cm.
This demonstrating, on the one hand block copolymer is particularly well suited to this, and first it include poly-second
Alkene unit, and being made up of olefinic monomer in addition, described alkene from propylene, butylene, hexene and
(particularly) octene is selected.
Such copolymer can be by metallocene catalyst targetedly with desired physics
Characteristic produces.
The polymer complex being suitable for is described in the EP-B1 0 714 427.Illustrate there, this
Plant polymer complex itself and can also be processed as liner, wherein will be without additive.
In contrast, the judgement that the present invention is particularly based on is: when adding the additive according to the present invention,
This polymer complex can be processed into the liner of improvement.Do not mention containing fat at this
The migration problem of material component in the case of the filler of fat.
On the other hand, random copolymer is particularly well adapted to the component as complex, described randomly
Polymer complex is first by ethylene and at least one C in addition3-C20-alpha-olefin is configured to linear
Or the interpretation of branch.The atactic polymer complex being suitable for is such as at US 6, in 235,822
Describe.
According to the present invention show at this be other formula deformation be possible, deform at described formula
Middle exist in the range of 20%-100% block copolymer, in the range of 0%-80% random altogether
Polymers and have until other polyolefin, especially of content of 25% as additional component
It is styrene-ethylene-butylene-styrene (SEBS), HDPE or (co) PP.
According to the present invention, formula may include that ethylene-octene block copolymer, such as, exist
Infuse D9007 in the range of 37%-41%；Ethylene-octene random copolymer, such as, exist
Engage 8402 in the range of 58%-62%；Antioxidant, such as in 0.1%-0.3% scope
Interior Irganox 1010；Stabilizer, the such as Irgafos 168 in the range of 0.0%-0.2%；
Lubricant, the such as erucyl amide in the range of 0.2%-0.4%；Lubricant, such as, exist
Oleamide in the range of 0.2%-0.4%.
Exemplary formulations for pasteurization and hot filling includes:
According to the present invention, described material typically has 45 in the case of the shore D hardness of about 25
Shore A hardness to 95 and the Shore A hardness in particular according to formula about 85.Polymer is multiple
The compression set (DVR) of compound (tests ASTM D395-97 method B according to compressive deformation
Measure similarly) it is between 50% and 80%.
According to the present invention, with the hot filling of at least 60 DEG C in the highest 10 minutes and at least 1 minute it is
Starting point, polymeric material can sustain in 60 minutes until the hot filling of 100 DEG C.Heat
Fill can realize until 100 DEG C in 60 minutes from 60 DEG C of beginnings with the step-length of 5 DEG C.
Apparent shear viscosity is 100s at 185 DEG C-1< 100Pa.s and at 500s-1<50Pa.s。
This measures by the dual pathways flow graph Propoise P9 of the nozzle diameter with 0.5mm.
It is alternatively possible to also add coating, preferred inorganic coating in the formula of complex, in order to row
Migration except coating.It is furthermore shown that in polymer complex and can with the addition of other additives such as
Wax, silicone and particularly foaming agent, in order to such as improve processing and use characteristic.
Additionally, polymer complex is at the compressive deformation similar with ASTM D395-97 method B
Test typically shows at 70 DEG C the compression set (DVR) of 30%-90%.DVR
Product for sterilizing is higher value, the highest by 90%.For can pasteurize (but can not
Sterilizing) product, DVR can be smaller numerical value, maximum about 80%.For having
The complex of thermoplastic vulcanite (TPV material), the lower limit of DVR can be minimum
30%；For other materials, DVR ranges preferably from least 50%.
Described material can also be used for example in our parallel international patent application (patent name " use
In manufacture vessel closure method ") described in method be machined for the biggest appearance
The potted component of device obturator.Thus, first it is possible that for example, have more than 60mm
The Twistoff lug Cap of diameter liner is set, described liner meet EC decree 1935/2004,
2023/2006, the regulation of 2002/72/EG, 372/2007 and 2007/19/EC.
In conjunction with above-mentioned regulation, it is necessary to according on the vessel closure of the present invention with such as at DIN EN
Ways and means described in 1186 realize migrating test.Therefore, at the context of the application
In save the description to the method；Described test is attached to this by quoting DIN EN 1186
In the disclosure of application.
According to the present invention, by using described polymeric material to achieve, it is possible not only to so to make
The liner made manufactures without difficulty, and described liner has the description when starting
Sealing characteristics.Additionally, such vessel closure can pasteurize, and its meet with
Polymeric material components to the beverage being included in the container to close according to mode of the present invention or
In food, particularly to fatty filler migrates relevant European directive.
Thus, the regulation of mentioned European decree is especially in conjunction with DIN EN's 1186
Test philosophy forms the suitable selection criterion of polymeric material, and described polymeric material is permissible
By avoiding for the component of fluid and being come from a large amount of principles by follow-up test at a temperature of application
Upper it is contemplated that complex in obtain.
According to foregoing description, embodiments of the invention are contained but are not limited to techniques below scheme:
Scheme 1. is used for the polymer complex of the liner of vessel closure, especially for
Fatty filler, described polymer complex is constructed to reduce the component of described complex
Migration in filler, it is characterised in that the Shore A hardness of described polymer complex is 45
And between 95, and described polymer complex is similar with ASTM D395-97 method B
Compressive deformation test demonstrates the compression set (DVR) of 30%-90% at 70 DEG C.
Scheme 2. is according to the complex described in scheme 1, it is characterised in that described complex includes
At least one block copolymer between 20% and 100%, wherein said block copolymer is preferably
At least one C3-C20The interpretation of-alpha-olefin and ethylene or to be combined other if desired unsaturated single
Body, C3-C20-alpha-olefin and the copolymer of ethylene.
Scheme 3. is according to the complex described in scheme 2, it is characterised in that described block copolymer
There is 0.85g/cm3To 01.1g/cm3Density, and preferably 190 DEG C, the amount of 5kg
Under there is the melt index (MFI) of 0.01g/10min to 1000g/10min, especially 1g/10
The MFI of min to 100g/10min.
Scheme 4. is according to the complex one of scheme 1 to 3 Suo Shu, it is characterised in that described embedding
Section copolymer is formed by polyethylene and alkene, and described alkene is especially selected from propylene, butylene, own
Alkene and octene, and particularly preferably octene.
Scheme 5. is according to the complex described in scheme 1,2,3 or 4, it is characterised in that described
Complex includes at least one random copolymer between 0% and 80%, wherein said random common
Polymers is preferably and C3-C20The linear interpretation of-alpha-olefin and ethylene or C3-C20-alpha-olefin with
Branch's interpretation of ethylene.
Scheme 6. is according to the complex described in scheme 5, it is characterised in that described random copolymer
There is 0.85g/cm3To 1.1g/cm3Density, and preferably there is 0.15g/10min extremely
The melt index (MFI) of 100g/10min.
Scheme 7. is according to the complex one of scheme 1 to 6 Suo Shu, it is characterised in that described nothing
Rule copolymer includes two kinds of alkene, and described alkene is especially selected from ethylene, propylene, butylene, hexene
With octene is selected, and particularly including ethylene and octene.
Scheme 8. is according to the complex described in scheme 7, and at least one of which copolymer is by cyclopentadienyl gold
Belong to catalysis to be polymerized.
Scheme 9. is according to the complex described in scheme 1, it is characterised in that described complex includes
At least one olefin copolymer between 20% and 100%, described olefin copolymer is not that block is total to
Polymers.
Scheme 10. is according to the complex one of scheme 1 to 9 Suo Shu, it is characterised in that described
Complex include 0% to 25% polyolefin, particularly HDPE and/or (co) PP and/or
SEBS。
Scheme 11. is according to the complex one of scheme 1 to 10 Suo Shu, it is characterised in that described
Complex has the Shore A hardness of 65 to 90, and shore A of particularly preferably about 85 is hard
Degree, shore D hardness is of about 25.
Scheme 12. is according to the complex one of scheme 1 to 11 Suo Shu, it is characterised in that described
The complex described compression set at 70 DEG C is between 55% and 75% and particularly
About 70%.
Scheme 13. is according to the complex one of scheme 1 to 12 Suo Shu, it is characterised in that described
Complex includes such as the additive of wax, silicone and particularly foaming agent.
Scheme 14. is according to the complex one of scheme 1 to 13 Suo Shu, wherein said container closure
Body is Twistoff lug Cap, compresses and turn on the metal enclosed body of lid, slip lid, crown plug or turnable.
Scheme 15. is according to the complex one of scheme 1 to 14 Suo Shu, wherein said liner
Material composition be chosen so as to described obturator and meet the regulation of decree (EG) 1935/2004.
Scheme 16. is according to the complex one of scheme 1 to 15 Suo Shu, wherein said liner
Material composition be chosen so as to described obturator and meet the regulation of decree (EG) 2023/2006.
Scheme 17. is according to the complex one of scheme 1 to 16 Suo Shu, wherein said liner
Material composition be chosen so as to described obturator and meet the regulation of criterion 2002/72/EG.
Scheme 18. is according to the complex one of scheme 1 to 17 Suo Shu, wherein said liner
Material composition be chosen so as to described obturator and meet the regulation of decree (EG) 372/2007.
Scheme 19. is according to the complex one of scheme 1 to 18 Suo Shu, wherein said liner
Material composition be chosen so as to described obturator and meet the regulation of criterion 2007/19/EC.
Scheme 20. is according to the complex one of such scheme Suo Shu, it is characterised in that described close
Envelope liner can 95 DEG C, particularly 121 DEG C and particularly preferably until at a temperature of 132 DEG C,
Sterilizing is stood in the case of contacting with fatty filler.
Scheme 21. has heat according to the complex one of scheme 1 to 19 Suo Shu, described complex
The form of plastic particle.
The application of scheme 22. polymeric material, to manufacture the appearance for accommodating fatty filler
Liner in device obturator, in the component of wherein said polymeric material to described filler
Migration meet decree (EG) 1935/2005, further preferably decree (EG) 2023/2006,
Special ordinance (EG) 372/2007 and particularly preferred criterion 2002/72/EG and 2007/19/EG
Regulation.
Scheme 23. liner, is combined including according to the polymer one of scheme 1 to 20 Suo Shu
Thing.
Scheme 24. has the vessel closure of liner, and described liner includes according to scheme 1
To the polymer complex one of 20 described.
Claims (24)
1. it is used for a polymer complex for the liner of vessel closure, especially for
Fatty filler, described polymer complex is constructed to reduce the component of described complex
Migration in filler, it is characterised in that the Shore A hardness of described polymer complex is 45
And between 95, and described polymer complex is similar with ASTM D395-97 method B
Compressive deformation test demonstrates the compression set (DVR) of 30%-90% at 70 DEG C.
Complex the most according to claim 1, it is characterised in that described complex includes
At least one block copolymer between 20% and 100%, wherein said block copolymer is preferably
At least one C3-C20The interpretation of-alpha-olefin and ethylene or to be combined other if desired unsaturated single
Body, C3-C20-alpha-olefin and the copolymer of ethylene.
Complex the most according to claim 2, it is characterised in that described block copolymer
There is 0.85g/cm3To 01.1g/cm3Density, and preferably 190 DEG C, the amount of 5kg
Under there is the melt index (MFI) of 0.01g/10min to 1000g/10min, especially 1g/10
The MFI of min to 100g/10min.
4. according to the complex one of claims 1 to 3 Suo Shu, it is characterised in that described embedding
Section copolymer is formed by polyethylene and alkene, and described alkene is especially selected from propylene, butylene, own
Alkene and octene, and particularly preferably octene.
5. according to the complex described in claim 1,2,3 or 4, it is characterised in that described
Complex includes at least one random copolymer between 0% and 80%, wherein said random common
Polymers is preferably and C3-C20The linear interpretation of-alpha-olefin and ethylene or C3-C20-alpha-olefin with
Branch's interpretation of ethylene.
Complex the most according to claim 5, it is characterised in that described random copolymer
There is 0.85g/cm3To 1.1g/cm3Density, and preferably there is 0.15g/10min extremely
The melt index (MFI) of 100g/10min.
7. according to the complex one of claim 1 to 6 Suo Shu, it is characterised in that described nothing
Rule copolymer includes two kinds of alkene, and described alkene is especially selected from ethylene, propylene, butylene, hexene
With octene is selected, and particularly include ethylene and octene.
Complex the most according to claim 7, at least one of which copolymer is by cyclopentadienyl gold
Belong to catalysis to be polymerized.
Complex the most according to claim 1, it is characterised in that described complex includes
At least one olefin copolymer between 20% and 100%, described olefin copolymer is not that block is total to
Polymers.
10. according to the complex one of claim 1 to 9 Suo Shu, it is characterised in that described multiple
Compound includes polyolefin, particularly HDPE and/or (co) PP and/or SEBS of 0% to 25%.
11. according to the complex one of claim 1 to 10 Suo Shu, it is characterised in that described
Complex has the Shore A hardness of 65 to 90, and shore A of particularly preferably about 85 is hard
Degree, shore D hardness is of about 25.
12. according to the complex one of claim 1 to 11 Suo Shu, it is characterised in that described
The complex described compression set at 70 DEG C is between 55% and 75% and particularly
About 70%.
13. according to the complex one of claim 1 to 12 Suo Shu, it is characterised in that described
Complex includes such as the additive of wax, silicone and particularly foaming agent.
14. according to the complex one of claim 1 to 13 Suo Shu, wherein said liner
Material composition be chosen so as to described obturator and meet the regulation of decree (EG) 1935/2004.
15. according to the complex one of claim 1 to 14 Suo Shu, wherein said liner
Material composition be chosen so as to described obturator and meet the regulation of decree (EG) 2023/2006.
16. according to the complex one of claim 1 to 15 Suo Shu, wherein said liner
Material composition be chosen so as to described obturator and meet the regulation of criterion 2002/72/EG.
17. according to the complex one of claim 1 to 16 Suo Shu, wherein said liner
Material composition be chosen so as to described obturator and meet the regulation of decree (EG) 372/2007.
18. according to the complex one of claim 1 to 17 Suo Shu, wherein said liner
Material composition be chosen so as to described obturator and meet the regulation of criterion 2007/19/EC.
19. according to the complex one of aforementioned claim Suo Shu, it is characterised in that described sealing
Liner can 95 DEG C, particularly 121 DEG C and particularly preferably until at a temperature of 132 DEG C,
Sterilizing is stood in the case of contacting with fatty filler.
20. have heat according to the complex one of claim 1 to 18 Suo Shu, described complex
The form of plastic particle.
The application of 21. 1 kinds of polymeric materials, described polymeric material contains for receiving in order to manufacture
Liner in the vessel closure of the filler of fat, the component of wherein said polymeric material
Migration in described filler meets decree (EG) 1935/2005, further preferably decree (EG)
2023/2006, special ordinance (EG) 372/2007 and particularly preferred criterion 2002/72/EG
Regulation with 2007/19/EG.
22. 1 kinds of liners, including according to the polymer one of claim 1 to 19 Suo Shu
Complex.
23. 1 kinds of vessel closures with liner, described liner includes according to right
The polymer complex that one of requirement 1 to 19 is described.
24. vessel closures according to claim 23, wherein said vessel closure is
The metal enclosed body of Twistoff lug Cap, slip lid, crown plug or turnable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610343954.1A CN106009139B (en) | 2009-11-20 | 2009-11-20 | Sealing liner, container closure and polymer composite therefor and use |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610343954.1A CN106009139B (en) | 2009-11-20 | 2009-11-20 | Sealing liner, container closure and polymer composite therefor and use |
| CN200980162542.6A CN102666298B (en) | 2009-11-20 | 2009-11-20 | For manufacturing the application compressing method and the polymer complex turning on lid and vessel closure |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200980162542.6A Division CN102666298B (en) | 2009-11-20 | 2009-11-20 | For manufacturing the application compressing method and the polymer complex turning on lid and vessel closure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115087694A (en) * | 2019-11-29 | 2022-09-20 | 希尔甘控股公司 | Foamed sealing element and container closure with a foamed sealing element |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0250057A2 (en) * | 1986-06-20 | 1987-12-23 | DS-Chemie GmbH | Moulding mass |
| US5060818A (en) * | 1988-08-08 | 1991-10-29 | Japan Crown Cork Co., Ltd. | Heat-resistant liner-provided vessel closure and process for preparation thereof |
| US7056971B2 (en) * | 2001-02-13 | 2006-06-06 | Gls Corporation | Essentially gas-impermeable thermoplastic elastomer |
| EP1816086A1 (en) * | 2004-11-10 | 2007-08-08 | Kaneka Corporation | Composition for cap liner |
| CN101111544A (en) * | 2004-11-29 | 2008-01-23 | 东丽薄膜先端加工株式会社 | Polypropylene film and layered product thereof |
| EP1894974A1 (en) * | 2006-08-28 | 2008-03-05 | Kraton Polymers Research B.V. | Block copolymer compositions for moulded articles |
| WO2008027283A2 (en) * | 2006-08-25 | 2008-03-06 | Dow Global Technologies Inc. | Production of meta-block copolymers by polymer segment interchange |
| WO2009059788A1 (en) * | 2007-11-09 | 2009-05-14 | Actega Ds Gmbh | Method for producing a vessel closure |
-
2009
- 2009-11-20 CN CN201610343954.1A patent/CN106009139B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0250057A2 (en) * | 1986-06-20 | 1987-12-23 | DS-Chemie GmbH | Moulding mass |
| US5060818A (en) * | 1988-08-08 | 1991-10-29 | Japan Crown Cork Co., Ltd. | Heat-resistant liner-provided vessel closure and process for preparation thereof |
| US7056971B2 (en) * | 2001-02-13 | 2006-06-06 | Gls Corporation | Essentially gas-impermeable thermoplastic elastomer |
| EP1816086A1 (en) * | 2004-11-10 | 2007-08-08 | Kaneka Corporation | Composition for cap liner |
| CN101111544A (en) * | 2004-11-29 | 2008-01-23 | 东丽薄膜先端加工株式会社 | Polypropylene film and layered product thereof |
| WO2008027283A2 (en) * | 2006-08-25 | 2008-03-06 | Dow Global Technologies Inc. | Production of meta-block copolymers by polymer segment interchange |
| EP1894974A1 (en) * | 2006-08-28 | 2008-03-05 | Kraton Polymers Research B.V. | Block copolymer compositions for moulded articles |
| WO2009059788A1 (en) * | 2007-11-09 | 2009-05-14 | Actega Ds Gmbh | Method for producing a vessel closure |
Non-Patent Citations (2)
| Title |
|---|
| 山西省化工研究所 编: "《塑料橡胶加工助剂》", 31 October 2002, 化学工业出版社 材料科学与工程出版中心 * |
| 杨明山 等编著: "《塑料改性工艺、配方与应用》", 31 July 2006, 化学工业出版社 材料科学与工程出版中心 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115087694A (en) * | 2019-11-29 | 2022-09-20 | 希尔甘控股公司 | Foamed sealing element and container closure with a foamed sealing element |
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