KR20140006631A - Heating food package for microwave oven - Google Patents

Abstract

The present invention relates to a heating-food packing material of a paper form for a microwave oven which can closely adhere to the surface of prepared food; can variously pack prepared food according to the shape thereof; and can radiate heat by converting absorbed electromagnetic waves when a microwave oven is operated into thermal energy. The present invention reduces energy and time required for cooking in comparison with before when cooking food under an identical environment of using a microwave oven; improves the texture of food; and conveniently roasts food such as fishes by using a microwave oven. [Reference numerals] (AA) Prepared food

Description

Fever food packaging material for microwave oven {HEATING FOOD PACKAGE FOR MICROWAVE OVEN}

The present invention relates to a heating food packaging material for a microwave oven, and more particularly, by configuring in a paper-like paper (paper) form to enable a variety of packaging processing according to the shape of the cooked food, the entire surface of the cooked food A microwave oven that allows fast and efficient cooking when food is cooked in the same environment through a microwave oven by providing adhesiveness throughout the oven to give direct heating effect instead of indirect heating through heat generation during operation of the microwave oven. It is related with the exothermic food packaging material.

In general, most of the frozen / chilled convenience foodstuffs can be ingested by heat treatment using a microwave oven.

At this time, the microwave oven is a cooking appliance for heating food with a high frequency (microwave). The cooking appliance utilizes the fact that molecules in a high frequency electric field are vibrated to generate heat, and the cooking food can be heated evenly in a short time.

However, in the case of dumplings, fried foods, bake-treated foods, etc., there was a problem that the outer surface became dull and hard during the heat treatment through the microwave oven, and there was a limitation in utilizing the texture of the food itself.

In addition, there is a problem that the effect of cooking is inferior only by the heating method by the vibration of the water molecule through the microwave, such as the problem that the outer surface is dried and burned while the food is heated by using the microwave oven .

Particularly, in the case of eating fish such as fish, it is difficult to utilize a microwave oven, and it is difficult to cook through a microwave oven.

Further, in order to cook fish, an oven is used or a cooking device such as a frying pan is used. However, there is complication and troubles in cooking and it is not possible to cook through a microwave oven.

Japanese Patent Application Laid-Open No. 20-2012-0001158 (Silicon heating container), Domestic Registration Room No. 20-0309321 (Heating container for microwave oven), Domestic Patent Publication No. 10-2005-0090337 (Heating furnace for microwave oven A microwave oven, a microwave oven, a microwave oven, a fan, etc.) have been proposed, but most of them include a main body container, a heating cooking vessel and a lid, There is a problem that it is difficult to reduce manufacturing cost and product unit cost.

In addition, conventionally proposed heating cooking devices for microwave ovens are those that simply incorporate the cooked food into the inside of the heat-generating container and can not cope with various shapes of the cooked food, and the effect of improving the cooking efficiency and shortening the cooking time is very large But still has the problem.

Disclosure of the Invention The present invention has been made in view of the above-mentioned problems of the related art, and it has been conceived in consideration of the above problems, and it is possible to provide various types of packages in accordance with the shape of cooked foods, It is possible to apply direct heating effect instead of indirect heating through heat generation during operation of microwave oven by making it have adhesion throughout the entire surface, so that it is possible to cook faster and more efficiently when cooking food in the same environment through microwave oven The present invention also provides a heat-generating food packaging material for a microwave oven.

The present invention can improve the cooking efficiency through the utilization of the microwave oven of the convenience cooking food while enhancing the texture of the cooking food itself and can also be used for the fish such as fish and the microwave oven without using the oven or the frying pan And to provide a heating food packaging material for a microwave oven which can shorten cooking time and reduce energy consumption.

According to an aspect of the present invention, there is provided a heat generating food packaging material for a microwave oven, the heat generating food packaging material comprising: a paper foil positioned inside the heat generating sheet to cover the heat generating sheet; The heating sheet is heated to 300 to 400 ° C for 1 to 3 hours to remove 60 to 90% by weight of iron-scale powder pulverized into particles having a particle diameter of 0.01 to 1 mm through a ball mill or a crushing roller, And 10 to 40% by weight of silicone rubber. The resultant is kneaded, extruded in the form of a sheet through an extrusion roller, thermally cured at a temperature of 160 to 200 DEG C for 2 to 5 minutes, To 350 ° C for 1 to 3 hours; The paper foil is characterized in that the pulp paper is a silicon coated paper coated with silicone.

According to another aspect of the present invention, there is provided a heat generating food packaging material for a microwave oven, the heat generating food packaging material comprising: a paper foil positioned inside the heat generating sheet to cover the heat generating sheet; The heating sheet is prepared by forming 70 to 90% by weight of ferrite powder and 10 to 30% by weight of silicon and kneading the resultant. The resulting product is extruded in the form of a sheet through an extrusion roller, 10 hours of heat curing treatment; The paper foil is characterized in that the pulp paper is a silicon coated paper coated with silicone.

According to another aspect of the present invention, there is provided a heat generating food packaging material for a microwave oven, comprising: a ferrite pulp mixture 70 to 90 mixed in a weight ratio of ferrite powder: pulp = 0.5 to 2: 0.5 to 1.5; And 5 to 20% by weight of silicone. The resultant mixture is subjected to a dewatering and drying operation through a papermaking process and then passed through an extrusion roller to be extruded in a sheet form. Molded under pressure at a pressure of 50 to 150 kgf / cm 2 and at a temperature of 90 to 150 ° C.

At this time, the ferrite pulp mixture is characterized in that cornstarch can be added so as to improve binding force between the ferrite powder and the pulp.

According to another aspect of the present invention, there is provided a heat-generating food packaging material for a microwave oven, comprising: a paper foil having a surface coated with silicone on one side of a pulp paper; ≪ / RTI > The heat generating sheet may be formed of any one selected from the group consisting of silicon, polyester, polyamide, poly lactic acid (PLA) and polyvinyl alcohol in an amount of 50 to 80% by weight of iron oxide (Fe ₂ O ₃ ) And 50 wt% of the mixture is used, and the silicone coating for the paper foil and the coating for the heating sheet are characterized in that a silk printing technique is used.

A paper foil coated on one surface of the pulp paper with silicon and a heating sheet coated on the other surface of the paper foil; The heat-generating sheet is prepared by mixing 50 to 80% by weight of iron oxide (Fe ₂ O ₃ ) with 20 to 50% by weight of an adhesive or binder for the binder, and stirring the mixture. The silicone coating for the paper foil is a silk printing technique And the coating for the heating sheet is characterized in that a spray coating method using a pressurized spraying method is used.

At this time, the heating sheet may be coated with a loess powder or a ceramic powder for the temperature increase control.

According to the present invention, it is possible to apply adhesiveness to the outer surface of the cooked food, to be packaged in various ways according to the shape of the cooked food, and to provide a paper-like A heat-generating food packaging material for a microwave oven can be provided.

The present invention utilizes a microwave oven to cook cooked food in a direct heating type rather than indirect heating. It enables quick and efficient cooking, and the cooking time is about 2/3 It is possible to shorten the cooking time and to save the energy of about 40 to 50%. Thus, it is possible to accomplish the cooking more quickly and efficiently when cooking the food in the same environment through the microwave oven.

The present invention can solve the problems such as hardening of the outer surface of foods and not only makes it possible to improve the texture of the food itself, but also enables the use of a microwave oven It is possible to achieve usefulness that can be easily performed.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a cross-sectional view showing a heat-generating food packaging material for a microwave oven according to an embodiment of the present invention; FIG.
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a heat-generating food packaging material for a microwave oven.
3 is a cross-sectional view illustrating a heat-generating food packaging material for a microwave oven according to another embodiment of the present invention.
4 is an exemplary view showing an example of using a heat-generating food packaging material for a microwave oven according to an embodiment of the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings. The present invention will become more apparent from the following detailed description when taken in conjunction with the accompanying drawings.

1, a heating food packaging material 100 for a microwave oven according to an embodiment of the present invention includes iron oxide (Fe ₂ O), which is heated by absorbing electromagnetic waves generated at high frequencies oscillated during operation of the microwave oven, _And a paper foil 120 positioned inside the heat generating sheet 110 and containing the magnetic material of ferrite as the main material and covering the heat generating sheet 110.

The heating sheet 110 may be a mixture of 60 to 90% by weight of an iron scale powder containing iron oxide (Fe ₂ O ₃ ) as a main component and 10 to 40% by weight of a silicone rubber.

At this time, it is preferable that the iron-scale powder uses an oxide film generated in a cold rolling process of a steel mill in terms of recycling of resources, and the iron scale is heated at a temperature of 300 to 400 ° C for 1 to 3 hours It is preferable to use a product obtained by pulverizing particles with a particle diameter of 0.01 mu m to 1 mm through a ball mill or a crushing roller in the state of removing moisture and gas.

The silicone rubber can impart physical properties such as excellent heat resistance, cold resistance, electrical insulation, chemical resistance, flame retardancy, non-toxicity, weather resistance and solvent resistance to the heat generating sheet 110.

Specifically, the heating sheet 110 is heated at a temperature of 300 to 400 ° C. for 1 to 3 hours to remove moisture and gas, and is then passed through a ball mill or a crushing roller to be crushed into particles having a particle diameter of 0.01 μm to 1 mm. 60 to 90% by weight of the powder and 10 to 40% by weight of the silicone rubber are mixed and kneaded. The resultant is passed through an extrusion roller and extruded in the form of a sheet, Under the condition of 2 to 5 minutes and again under the temperature condition of 300 to 350 DEG C for 1 to 3 hours.

In addition, the heating sheet 110 may have a different composition, and may be a mixture of 70 to 90% by weight of ferrite powder mainly composed of iron oxide (Fe ₂ O ₃ ) and 10 to 30% by weight of silicon .

At this time, the silicone can be provided with properties similar to those of the silicone rubber by applying the heat-resistant silicone.

Here, the heat generating sheet 110 having the other examples is formed by mixing 70 to 90% by weight of ferrite powder and 10 to 30% by weight of silicon and kneading the resultant material through an extrusion roller to form a sheet, , And then thermally curing at a temperature of 250 to 350 ° C for 4 to 10 hours.

The heat generating sheet 110 is preferably formed to have a thickness of 0.5 to 2 mm in consideration of the electromagnetic wave absorption efficiency at the oscillation high frequency and the heat generating efficiency thereof, together with the functionality as a packaging material.

The paper foil 120 can impart oil resistance and water resistance to silicon paper coated with silicon on pulp paper and can have a thickness of 0.01 to 1 mm. The heat generated by the heat generating sheet 110 can easily be transmitted to the outside and can be easily transferred to the food and can be heated.

In addition, the use of the silicone coated paper as the paper foil 120 is harmless to the human body and is eco-friendly, and it is possible to exert the function of not easily pressing the cooked food, and it is useful to remove the smoke and odor during the cooking of the cooked food As well.

The heating sheet 110 and the paper foil 120 may be laminated by a laminating bonding method or may be laminated using an adhesive.

2, the heat-generating food packaging material 200 for a microwave oven according to another embodiment of the present invention includes ferrite powder and pulp containing iron oxide (Fe ₂ O ₃ ) as a main component in an amount of 0.5 to 2: 0.5 to 1.5 , 70 to 90% by weight of a ferrite pulp mixture, 5 to 10% by weight of a silicone oil, and 5 to 20% by weight of silicon, and mixing the resulting mixture, The result of extrusion molding in the form of a sheet after passing through an extrusion roller after dehydration and drying is performed is compression molded by a press at a pressure of 50 to 150 kgf / As shown in FIG.

In this case, it is preferable that the heat-generating food packaging material 200 for a microwave oven according to another embodiment is manufactured so as to maintain a final thickness of 0.5 to 3 mm during compression molding by pressing, So that the heat efficiency as well as efficiency can be sufficiently exhibited.

The ferrite pulp mixture may further contain corn starch so as to further improve the binding force between the ferrite powder and the pulp. In this case, the ferrite powder may be composed of a mixture of ferrite powder: pulp: cornstarch = 1 to 3: 0.5 to 1.5: Can be prepared in a weight ratio of 0.2 to 0.5.

Meanwhile, as shown in FIG. 3, the heating food packaging material 300 for a microwave oven according to another embodiment of the present invention includes a paper foil 310 coated with silicon 312 on one surface of the pulp paper 311. It is configured to include a heating sheet 320 coated on the other surface of the paper foil 310.

At this time, the heating sheet 320 is iron oxide (Fe ₂ O ₃₎ 50 ~ to 80% by weight and the binder serves silicon, polyester, polyamide, polylactic acid (POLY LACTIC ACID; PLA), polyvinyl alcohol (polyvinyl alcohol ) And 20 to 50% by weight of the mixture may be used, and it is preferable that the mixture is coated so as to have a thickness of 0.1 to 1 mm.

The coating process for the paper foil 310 and the heating sheet 320 may be preferably silk printing.

In addition, the heating sheet 320 may be prepared by mixing 50 to 80% by weight of iron oxide (Fe ₂ O ₃ ) with 20 to 50% by weight of an adhesive or ink for a binder and stirring the mixture. It is preferable that the coating is performed by a spray coating method.

In addition, in the microwave food packaging material 300 for a microwave oven according to another embodiment of the present invention may be added ocher powder or ceramic powder to the composition of the heating sheet for the temperature control of the heating sheet 320. something to do.

The ocher powder or ceramic powder may be added to occupy 5 to 20% by weight of the total weight% of the heating food packaging material (300).

Therefore, as shown in FIG. 4, the heat-generating food packaging material for a microwave oven according to the present invention having the above-described embodiments can be packaged in various ways according to the shape of the cooked food, It is possible to realize an effect of directly heating the cooked food by generating heat due to the generation of heat energy due to the absorption of the electromagnetic wave when the microwave oven is operated. In particular, the microwave oven can be used to easily cook the fishes And it is possible to cook with the texture of the food itself.

In addition, the heat-generating food packaging material for a microwave oven according to the present invention can improve problems such as hardness of the outer surface after heat treatment using a microwave oven of a bake-processed food, It is possible to improve the cooking efficiency in place of the disadvantage of the cooking which can not generate high heat only by the heating by the rotation collision of water molecules.

Incidentally, Table 1 below shows the result of checking the surface temperature of the microwave oven with respect to the elapsed time when the microwave oven is operated with respect to the heat generating food packaging material for microwave oven manufactured by the present invention.

As a result of checking the surface temperature over time during the operation of the microwave oven of the heat-generating food packaging material for a microwave oven according to the present invention Elapsed time 30 seconds 1 minute 2 minutes 3 minutes The heat-
Surface temperature (℃) 100 ~ 130 ± 5 160 ~ 180 ± 5 210 ~ 230 ± 5 230 ~ 270 ± 5

Here, as shown in Table 1, the heat-generating food packaging material for a microwave oven manufactured according to the present invention shows that the heating state gradually increases with the lapse of the operating time of the microwave oven.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit and scope of the invention as defined by the appended claims. Modifications or substitutions may be made.

100: Heat-generating food packaging for microwave oven
110: heating sheet 120: paper foil
200: Heat-generating food packaging for microwave oven
300: Heat-generating food packaging for microwave oven
310: Paper foil 311: Pulp paper
312: Silicone 320: Heating sheet

Claims (7)

And a paper foil positioned so as to cover the heating sheet;
The heating sheet is heated to 300 to 400 ° C for 1 to 3 hours to remove 60 to 90% by weight of iron-scale powder pulverized into particles having a particle diameter of 0.01 to 1 mm through a ball mill or a crushing roller, And 10 to 40% by weight of silicone rubber. The resultant is kneaded, extruded in the form of a sheet through an extrusion roller, thermally cured at a temperature of 160 to 200 DEG C for 2 to 5 minutes, To 350 ° C for 1 to 3 hours;
Wherein the paper foil is a silicon coated paper in which silicon is coated on pulp paper. And a paper foil positioned so as to cover the heating sheet;
The heating sheet is a mixture of 70 to 90% by weight of ferrite powder and 10 to 30% by weight of silicon, and the resultant is kneaded through an extrusion roller to be extruded into a sheet form, and then 4 to 4 ° C at a temperature of 250 to 350 ° C. Prepared by heat curing for 10 hours;
Wherein the paper foil is a silicon coated paper in which silicon is coated on pulp paper. Ferrite Powder: Pulp = 0.5 ~ 2: 70 ~ 90% by weight of ferrite pulp mixture mixed at a weight ratio of 0.5 ~ 1.5, 5 ~ 10% by weight of silicone oil and 5 ~ 20% by weight of silicone, and mixed through papermaking process After performing the dehydration and drying operation, the result of the extrusion molding through the extrusion roller in the form of a sheet, it is produced by compression molding in a press at a pressure condition of 50 ~ 150kgf / ㎠ and a temperature condition of 90 ~ 150 ℃ Fever food packaging material for microwave ovens. The method of claim 3, wherein
The ferrite pulp mixture is microwave food packaging material, characterized in that corn starch can be added to improve the binding force between the ferrite powder and the pulp. A paper foil coated on one surface of the pulp paper with silicone and a heating sheet coated on the other surface of the paper foil;
The heat generating sheet may be formed of any one selected from the group consisting of silicon, polyester, polyamide, poly lactic acid (PLA) and polyvinyl alcohol in an amount of 50 to 80% by weight of iron oxide (Fe ₂ O ₃ ) 50% by weight of the mixture is stirred and mixed,
Wherein the silicone coating for the paper foil and the coating for the heating sheet use a silk printing technique. A paper foil coated on one surface of the pulp paper with silicone and a heating sheet coated on the other surface of the paper foil;
The heating sheet may be prepared by mixing 50 to 80% by weight of iron oxide (Fe ₂ O ₃ ) with 20 to 50% by weight of an adhesive or binder to serve as a binder,
Wherein the silicone coating for the paper foil is a silk printing technique, and the coating for the heating sheet is a spray coating method using a pressurized spraying method. The method according to claim 5 or 6,
The heating sheet is a heating food packaging material for a microwave oven, characterized in that the ocher powder or ceramic powder may be added to the temperature control.

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