KR20140023605A

KR20140023605A - One-part release composition and packing container using the same

Info

Publication number: KR20140023605A
Application number: KR1020120089663A
Authority: KR
Inventors: 조홍로; 박광모; 임태훈
Original assignee: 에스알케미칼(주)
Priority date: 2012-08-16
Filing date: 2012-08-16
Publication date: 2014-02-27

Abstract

The present invention relates to an one component release composition for a packing container and a packing container using the same and more specifically, to an one component release composition for a packing material which does not need hard skills for a user such as separately mixing it to correspond with capacity in a site for manufacturing a packing container by mixing all of a releasing agent, especially a silicon-based releasing agent, a solvent, and a coating base, is not degenerated, and does not contain harmful ingredients such as heavy metal, so satisfies various legal standards such as FDA which can be stricter later and a packing container using the same. The one component release composition by the present invention consists of 85-90 wt% of a solvent, 0.1-10.0 wt% of a releasing agent, and 0.1-10.0 wt% of cellulose-based coating base.

Description

One-component release composition for food packaging container and packaging container using same {ONE-PART RELEASE COMPOSITION AND PACKING CONTAINER USING THE SAME}

The present invention relates to a one-component release composition for a food packaging container and a packaging container using the same,

More specifically, the release agent, in particular, the silicone-based release agent, solvent, and coating base are all mixed to provide a one-component release composition, and does not require the inconvenience and skill to be mixed and used separately in the packaging container manufacturing site, the silicone paper release agent It has excellent mold release property and uniform and thin coating, and most of all, it does not contain harmful ingredients such as heavy metals suitable for food and medical use, ensuring harmless to human body and meeting various legal standards including FDA and beyond current legal standards. It relates to a one-component release composition that can cope with selection of harmlessness expected to be strengthened in the future, and a food and medical packaging container using the same.

If you separate foods and medical packaging containers, especially paper milk cartons, by tearing open the upper inclined attachment part of the roof shape for drinking, press the two sides and press it to the center to open the final joint easily. It allows consumers to drink in mouth.

At this time, a release agent is applied to the final joint part for ease of opening, and the liquid contained in the packaging container can always be in contact with the body, and even if the user drinks it with his mouth, the body can be in contact with the body. Sex is important.

In addition, since the release composition used in the final joint of the conventional milk carton uses a two-part type, when mixing, one skilled worker mixes the two liquid mixtures, and thus, due to the dependence of skill, the efficiency of production and the incomplete mixing There was a problem that the risk of failure due to the presence.

Accordingly, the present invention provides a one-component release composition by mixing both the release cone-based release agent, the solvent, and the coating base, and does not require any inconvenience and skill to be mixed and used at the packaging container manufacturing site separately, and there is no problem of denaturation. First of all, it does not contain harmful components such as heavy metals suitable for food and medical use, so it can be harmless to human body and meet the various legal standards including FDA, and can cope with the harmlessness that is expected to be strengthened in the future beyond current legal standards. It is an object of the present invention to provide a one-component release composition and a food and medical packaging container using the same.

In addition, the present invention can ensure the production efficiency, high-quality uniformity while ensuring easy opening, so that the convenience of coating the release composition of the individual packaging process as well as the management efficiency of the entire manufacturing process can be largely provided. It is an object to provide a one-component release composition and food and medical packaging containers using the same.

One-component release composition for a food packaging container according to the present invention in order to achieve the above object is made by mixing 85 to 90% by weight of solvent, 0.1 to 10.0% by weight of release agent, 0.1-10.0% by weight of cellulose-based coating base.

In addition, in the one-component release composition for food packaging containers according to the present invention

The solvent comprises ethyl acetate (Ethyl acetate), isopropyl alcohol (Isopropyl alcohol) and some or all of ethanol (Ethanol),

It is preferable that the thickener further contain 0.1 to 2.0% by weight.

On the other hand, the food and medical packaging container according to the present invention is configured by coating the one-component release composition in an open type opening.

One-component release composition for a food packaging container and a packaging container using the same according to the present invention, by mixing all the silicone-based release agent, the solvent, and the coating base to provide a one-component release composition to be used separately in accordance with the capacity in the packaging container manufacturing site It does not require discomfort and skill, and there is no problem of denaturation. Above all, it does not contain harmful components such as heavy metals suitable for food and medical use, ensuring harmless human body, meeting various legal standards including FDA, as well as current legal It can cope with selection of harmlessness that is expected to be strengthened in the future beyond the standard, and can secure production efficiency and high-quality uniformity while securing easy opening, as well as convenience of coating the release composition of the individual packaging process. The management efficiency of the whole manufacturing process can be greatly provided.

1 is a view showing a state in which a one-component release composition according to the present invention is applied to a food packaging container, in particular a milk pack (or carton pack).
Figure 2 is a perspective view showing a state in which the one-component release composition according to the present invention applied to a packaging container, specifically a medical packaging container, more specifically a ringer protective cover.
3 and 4 are a perspective view and a front view of the ringer bag received in the protective cover, respectively.
5 is a front view of a state of use of the ringer bag.
6 and 7 are sectional views of transparent and opaque layers used for the front and rear portions of the protective cover, respectively.
8 is a perspective view of a modification of the protective cover.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will now be described in detail with reference to the accompanying drawings.

The present invention may be modified in various ways and may have various forms, and thus embodiments (or embodiments) will be described in detail in the text. It is to be understood, however, that the invention is not intended to be limited to the particular forms disclosed, but on the contrary, is intended to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention.

In each of the drawings, the same reference numerals, in particular, the tens and ones digits, or the same digits, tens, ones, and alphabets refer to members having the same or similar functions, and unless otherwise specified, each member in the figures The members referred to by reference numerals can be regarded as members conforming to these criteria .

In addition, in the drawings, the components are exaggerated in size (or thickness), in size (or thickness), in size (or thickness), or in a simplified form or simplified in view of convenience of understanding. It should not be.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. Singular expressions include plural expressions unless the context clearly indicates otherwise. In the present application, the term " comprising " or " consisting of ", or the like, refers to the presence of a feature, a number, a step, an operation, an element, a component, But do not preclude the presence or addition of one or more other features, integers, steps, operations, components, parts, or combinations thereof.

Unless defined otherwise, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. Terms such as those defined in commonly used dictionaries are to be interpreted as having a meaning consistent with the contextual meaning of the related art and are to be interpreted as either ideal or overly formal in the sense of the present application Do not.

The one-component release composition for a food packaging container according to the present invention basically comprises a solvent, a coating base which is a substantial coating film formation, and a silicone-based release agent.

The composition of these one-component release compositions is made by mixing 85 to 90% by weight of solvent, 0.1 to 10.0% by weight of release agent, and 0.1 to 10.0% by weight of cellulose-based coating base.

The solvent is particularly an organic solvent, and includes some or all of ethyl acetate, isopropyl alcohol, and ethanol. These organic solvents are also materials that do not contain harmful components such as heavy metals that are harmful to the human body, and it is important to eliminate and eliminate the dangers of heavy metals contained in food grade medical grade containers using high quality products.

In particular, these organic solvents are preferably used both ethyl acetate, isopropyl alcohol and ethanol (ethanol), each of which is based on the total amount of the organic solvent (100% by weight) ethyl acetate 25 It comprises 45 to 45% by weight, isopropyl alcohol 50 to 70% by weight, ethanol 1 to 10% by weight.

Looking at the properties and functions of each component of the organic solvent,

Ethyl acetate (Ethyl acetate) can be mixed with any organic solvent in any ratio, so that each component constituting the one-component release composition according to the present invention is well mixed and there is no agitation so that each component is separated during distribution and use The source can be prevented at the source,

In addition, due to the slightly higher viscosity than isopropyl alcohol water, the one-component release composition according to the present invention is suitable for mass productivity in applying to a required portion of a packaging container, especially a food packaging container. It provides a suitable property for applying the release composition using

In addition, ethanol (Ethanol) can also be mixed with most organic solvents in any ratio, ethanol plays an important role to ensure the shelf life of the one-component release composition.

Next, the coating base is preferably a cellulose-based, ie, a cellulose-based derivative. These coating bases may use some or all of ethyl cellulose, cellulose acetate, and hydroxypropylmethyl cellulose. In particular, ethyl cellulose is used, and preferably, higher ethyl cellulose suitable for food use is preferably employed.

Subsequently, as a mold release agent, it is preferable to use an environment-friendly silicone mold release agent suitable for food packaging applications. Specifically, polyether-modified polysiloxane may be used.

Furthermore, the one-component release composition for a food packaging container according to the present invention preferably further comprises 0.1 to 2.0 parts by weight of a thickener. This thickener can also ensure the preservation and distribution of one-component release compositions. Specifically, the thickener may be ethyl cellulose (EC), CMC (Carboxy Methyl Cellulose), especially edible Sodium CMC substituted with sodium (Na) in the element, and the grade suitable for other foods and pharmaceuticals. It can be adopted.

In addition, the one-component release composition of the present invention may further include a trace amount (for example, 0.1 to 5 wt% each) of the dispersant and the plasticizer.

The dispersant enhances the suspension properties of the release composition, and acrylic emulsion, diester sulfosuccinate, and other silicas may be used.

Glycerol, dicyclohexyl phthalate or triethyl citrate may be used as the plasticizer.

In the above description, the one-component release composition of the present invention is suitable for being used in food packaging containers because of its environmentally friendly and harmless properties to the human body, and other medical packaging containers in the field of packaging containers for various human contact and administration materials. The present invention should not be construed as limited by the one-component release composition for the food packaging container, which is a propaganda and declarative name for clear distinction and clarity.

Next, the following examples are provided to aid the understanding of the present invention, but the following examples are merely for exemplifying the present invention, and various changes and modifications within the scope and spirit of the present invention are apparent to those skilled in the art. It is natural that such variations and modifications fall within the scope of the appended claims.

Example One

85% by weight of a solvent consisting of 25% by weight of food grade ethyl acetate, 55% by weight of isopropyl alcohol and 5% by weight of ethanol,

A one-component release composition was prepared by mixing 5% by weight of polyether-modified polysiloxane with a release agent and 10% by weight of cellulose acetate-coated base.

Example 2

A one-component release composition was prepared by mixing 5% by weight of polyether-modified polysiloxane as a release agent, 9% by weight of cellulose-based ethyl cellulose coating base, and 1% by weight of CMC as a thickener.

Example 3

5% by weight of polyether-modified polysiloxane as a release agent, 8% by weight of cellulose-based ethyl cellulose coating base, 1% by weight of ethyl cellulose as a thickener, 0.6% by weight of silica as a dispersant, 0.4% by weight of triethyl citrate One-part release composition was prepared by mixing%.

Experimental Example One

The one-component release composition according to Examples 1 to 3 was coated by using a roll coater so that the coating amount was 5 g / m 2 at the junction around the opening of the Carton Pack (200 ml).

After about 8 hours, even in the coating experiment, the release composition of Example 2 was opened more easily than in the opening test of the joint around the opening of the carton pack even when there was no special stirring device in the release composition storage tank. The release performance was found to be better than the first and second examples.

On the other hand, the packaging container according to the present invention is configured by coating the one-component release composition according to the present invention in an open type opening. As the coating apparatus, a printer, a coater (particularly, a roll coater) or the like is used.

In the case of a normal food packaging container, it is used by applying to the final joint familiar to the consumer. For example, Figure 1 shows an example of applying the one-component release composition according to the invention in a food packaging container, in particular milk pack (B) (or carton pack).

That is, according to the developed view of the upper part of Figure 1, when each contact surface is bonded to the carton pack of the lower part of Figure 2, after filling the contents for the packaging container product bonded and sealed to the opening

After the purchase, the customer feels that the upper inclined attachment part of the roof shape is torn apart from the milk carton (B), and when pressing both sides to press the center, the final joint part (B2) is easily opened to insert a straw or drink directly. The opening B1 may be formed to drink with the mouth. The one-component release composition according to the present invention is applied to the final junction (B2) so that the opening is easily opened.

On the other hand, as shown in Figures 2 to 8, one-component release composition according to the present invention can be utilized in a medical packaging container, in particular a protective cover for ringer bag.

Hereinafter, a ringer bag assembly including a protective cover coated with an opening of the one-component release composition according to the present invention will be described.

As shown in Figure 3 and 5, the ringer bag 10 is provided with a charging port 11 at the bottom, through which the chemical liquid is filled. The upper, lower, left, and right edge portions of the charging port are sealed.

In addition, as shown in Figures 2 and 5, the protective cover 100 for receiving the ringer bag 10 is the lower and left and right parts are joined by heat bonding or other methods, except for the receiving space as a whole,

The lower notch side is formed with a notch 101 for cutting, and an upper hook portion, in particular, a circular hook portion 102, for allowing a medical couch or wheel to be hooked to a hook of a hanger that can be mounted on a mobile cart. Formed.

In addition, the support shoulder 103 is formed in the lower portion to guide the discharge of the bottom portion of the ringer bag (10).

The protective cover 100 is preferably made of a transparent film 110, the back is composed of an opaque film 120 so that the ringer bag 10 accommodated therein.

In addition, it is preferable that the transparent film 110 has ultraviolet ray blocking characteristics. For this, as shown in FIG. 6, the PET layer 111 (5 to 50 μm) from the inside to the outside (when configuring the ringer bag) and the adhesive layer (112) (1 to 5 mu m), evaporated PET layer 113 (5 to 30 mu m), adhesive layer 112 (1 to 10 mu m), ethyl vinyl alcohol (EVOH) layer 114 (10 to 50 mu m) , Adhesive layer 112 (1-5 μm), nylon layer 115 (5-50 μm), adhesive layer 112 (1-10 μm) and casting polypropylene (CPP) layer 116 (10-150 μm) It is preferable that it is a structure laminated | stacked by).

The opaque film 120 should also have a UV blocking properties, and preferably has a thermal barrier property for preventing the temperature rise, for this purpose, as shown in Figure 7, PET layer from the inside to the outside (based on the ringer bag configuration) (121) (5-50 탆), adhesive layer 122 (1-5 탆), aluminum foil layer 123 (4-50 탆), adhesive layer 122 (1-10 탆), ethylene vinyl alcohol layer ( 124 (10-50 μm), adhesive layer 122 (1-5 μm), nylon layer 125 (5-50 μm), adhesive layer 122 (1-10 μm) and cast polypropylene layer 126 It is preferable to have a structure laminated by (10-150 micrometers).

The transparent film 110 of the ringer bag 10 may have an overall thickness of 126 μm, for example, PET layers 111 (12 μm), adhesive layers 112 (3 μm), and deposited PET layers 113. ) (12 μm), adhesive layer 112 (3 μm), ethyl vinyl alcohol (EVOH) layer 114 (15 μm), adhesive layer 112 (3 μm), nylon layer 115 (15 μm), adhesive layer (112) (3 mu m) and cast polypropylene (CPP) layer 116 (60 mu m).

In addition, the opaque film 120 of the ringer bag 10 may have an overall thickness of 125 μm, for example, PET layers 121 (12 μm), adhesive layers 122 (3 μm), and aluminum foil layers 123. ) (9 μm), adhesive layer 122 (3 μm), ethylene vinyl alcohol layer 124 (15 μm), adhesive layer 122 (3 μm), nylon layer 125 (15 μm), adhesive layer 122 (3 μm) and the cast polypropylene layer 126 (60 μm), and an additional 3 μm ink layer is formed on the back of the PET layer 121 to ensure opacity.

Nylon layer commonly used in the transparent film 110 and the opaque film 120 of the ringer bag 10 may be used nylon 6, nylon 7, nylon 46, nylon 66 and the like.

Adhesive for the adhesive layer commonly used in the transparent film 110 and the opaque film 120 of the ringer bag 10 is a phenol resin, polyurethane, polyester, polyethylene, acrylate and epoxy resin It is used, and preferably epoxy type is used.

On the other hand, while the front shape of the protective cover of FIG. 2 is close to a rectangular shape, in the modification of the protective cover 100 shown in FIG. 8, the support part 103 is formed to protrude, and the furnace for opening the protrusion is formed. Teeth 101 is a structure formed on both sides of the protrusion.

In the ringer bag assembly consisting of a protective cover and a ringer bag coated with a one-part release composition according to the present invention, the one-component release composition is coated around the support part 103 of the protective cover 100 and the lower joint part, and is easy to open. (easy opening) The first mold release portion R1 is formed.

In addition, the one-component release composition of the present invention is coated on the upper junction of the main surface of the hook portion 102 of the protective cover 100 to form an easy opening second release portion R2.

The upper second release portion R2 of the protective cover 100 may be utilized when the first input packaging of the ringer bag 10.

The lower first release portion R1 of the protective cover 100 is not opened (a state of FIG. 5) by tearing off the lower junction by using the notch portion 101.

The ringer bag containing the chemical solution is stored in the assembled state with the protective cover.

If the user grabs the upper part of the protective cover and shakes it slightly against the lower part, the first release part R1 is easily opened due to the load of the ringer bag 10 and the impact concentrated at the charging port 11. Can also easily expose the charging port 11 of the ringer bag (100)

It is convenient to make it possible to insert the needle into the ringer bag even when both hands are not available.

This allows for convenient and important functions, especially in busy and urgent medical care situations.

In addition, the upper portion of the protective cover 100 may be provided with a separate handle or gripping space (not shown) for opening the first release portion (R1) by a light impact,

In addition to the first mold release part R1, the support part 103 of the protective cover may be provided with a reinforcement part (not shown) for preventing a situation in which the joints of both ends of the first mold release part are unnecessarily damaged due to excessive impact.

Meanwhile, in the protective cover 100 manufactured as shown in FIGS. 2 and 3, the ringer bag 10 is packed and packed in an open state in which the upper second release part R2 is opened to form an assembly.

The protective cover 100 of the present invention has a tear strength of the front transparent film 110 itself, and maintains a certain degree of UV protection effect, the ringer bag assembly manufacturer, packaging date, packaging state, chemical liquid on this transparent film Types, distribution periods, etc. are printed to provide information.

In addition, the rear opaque film 120 of the protective cover ensures the heat shield for the UV blocking function and temperature rise prevention.

Such a protective cover can give a sense of solidity to the patient and the caregiver by eliminating the fear of chemical denaturation due to ultraviolet exposure and external temperature, especially when the patient goes out in the state of drug administration.

In the case of containing the liquid in the box, and taken out of the box and stored in the hospital's storage box, if the rear opaque film is visible or placed in a direction mainly exposed to mining, it can help to improve the preservation of the liquid. It can increase the reliability.

In relation to the ringer bag assembly, in addition to the forced opening method of the first release portion R1 described above, as shown in FIG. 5, when the cutouts of the lower both side notches 101 of the protective cover 100 are opened,

Since the charging port 11 of the ringer bag 10 is exposed to the outside can be used by inserting a needle.

At this time, due to the support 103, the ringer bag is not exposed more than necessary.

Patients, guardians, nurses, etc. through the transparent film 110 of the protective cover 100 can check the degree of drug consumption with the naked eye.

Furthermore, if necessary, the opaque film 120 of the protective cover may be formed to have a long observation window formed in the vertical direction so that the consumption of the chemical liquid may be checked without checking the transparent film.

To this end, in the laminated structure of the opaque film, an aluminum foil layer 123 and a slot or a non-printing portion for an observation window must be introduced into the printed layer to be additionally introduced.

In the above description, a specific packaging container using a release agent, a thickener, and a one-component release composition omits a conventionally known technique related to a coating process and a coating apparatus for an open opening, but those skilled in the art can easily infer, infer, and reproduce it.

In addition, in the above description of the present invention with reference to the accompanying drawings, a release agent of a specific composition, and a packaging container having a specific shape and structure have been described mainly with respect to the present invention various modifications, changes and substitutions by those skilled in the art, such a Modifications, changes and substitutions should be construed as falling within the protection scope of the present invention.

Claims

One-component release composition comprising 85 to 90% by weight of solvent, 0.1 to 10.0% by weight of release agent, and 0.1 to 10.0% by weight of cellulose-based coating base.

The method of claim 1,
The solvent is a one-component release composition characterized in that it comprises a part or all of ethyl acetate (Ethyl acetate), isopropyl alcohol (Isopropyl alcohol) and ethanol (Ethanol).

The method of claim 1,
One-part release composition, characterized in that it further comprises 0.1 to 2.0% by weight thickener.