JP2005192531A - Freezing/thawing-accelerating material and method for freezing/thawing - Google Patents

Freezing/thawing-accelerating material and method for freezing/thawing Download PDF

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JP2005192531A
JP2005192531A JP2004004680A JP2004004680A JP2005192531A JP 2005192531 A JP2005192531 A JP 2005192531A JP 2004004680 A JP2004004680 A JP 2004004680A JP 2004004680 A JP2004004680 A JP 2004004680A JP 2005192531 A JP2005192531 A JP 2005192531A
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thawing
freezing
cold
article
cold thawing
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JP4537715B2 (en
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Yoshitaka Kawashiri
義孝 河尻
Susumu Taguchi
進 田口
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Hinomaru Carbotechno Co Ltd
Daicel Novafoam Ltd
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Hinomaru Carbotechno Co Ltd
Daicel Novafoam Ltd
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Abstract

<P>PROBLEM TO BE SOLVED: To perform freezing or thawing rapidly without damaging the quality of a material on freezing/thawing foods such as fishes and shell fishes, and other materials. <P>SOLUTION: The freezing/thawing-accelerating material 20 is obtained by carrying charcoal powder on a foamed resin sheet and arranged adjacently to the material 10 on freezing/thawing the material 10 such as the food to accelerate the freezing/thawing of the material 10 on freezing/thawing it. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

本発明は、冷解凍促進材および冷解凍方法に関し、詳しくは、魚介類などの冷凍処理および冷凍された魚介類などの解凍処理の促進させる冷解凍促進材と、このような冷解凍促進材を用いた冷解凍方法を対象にしている。   The present invention relates to a cold thawing promoting material and a cold thawing method, and more specifically, a cold thawing promoting material that promotes freezing treatment such as seafood and thawing treatment such as frozen seafood, and such a cold thawing promoting material. Intended for the cold thawing method used.

鮭などの魚介類は、漁船で漁獲された段階で冷凍処理を行い、冷凍状態で輸送保管を行い、店頭での販売時あるいは調理時に解凍して使用されることがある。
また、家庭などにおいても、購入した冷凍食品を解凍して調理したり、購入した鮮魚などを長期保存するために家庭用の冷凍冷蔵庫で冷凍したりすることが行われる。
特許文献1には、魚や肉などの生鮮食品を冷凍および解凍する際に、吸水性のある冷凍・解凍用シートの上に食品を載せておく技術が示されている。冷凍・解凍用シートの吸水体として、パルプ繊維に高吸水性ポリマーを混入させたものなどが使用されている。冷凍・解凍時に食品から出る水分を冷凍・解凍用シートで吸収する。冷凍時には、水分が凍ることによる組織破壊が起こり難く、電子レンジでの解凍時には、水分の多い個所でのマイクロ波の集中が起こらず解凍ムラが解消できるとされている。
特開平10−4870号公報
Fish and shellfish such as salmon are frozen when they are caught on a fishing boat, transported and stored in a frozen state, and thawed at the time of sale at the store or when cooking.
At home, etc., the frozen food purchased is thawed and cooked, or the purchased fresh fish and the like are frozen in a domestic refrigerator-freezer for long-term storage.
Patent Document 1 discloses a technique for placing food on a sheet for freezing and thawing that absorbs water when freezing and thawing fresh food such as fish and meat. As a water absorbing body of a sheet for freezing / thawing, a pulp fiber mixed with a super absorbent polymer is used. Absorbs moisture from food during freezing and thawing with a sheet for freezing and thawing. It is said that when frozen, tissue destruction due to freezing of water hardly occurs, and when thawing with a microwave oven, concentration of microwaves does not occur in a place with a lot of moisture, and thawing unevenness can be solved.
Japanese Patent Laid-Open No. 10-4870

前記した特許文献1の冷凍・解凍用シートでは、冷凍状態の食品の表面に冷凍・解凍用シートが貼り付き易いという問題がある。
冷凍・解凍用シートと食品との間に存在する水分が凍って両者を固着させてしまうのである。冷凍・解凍用シートが食品の表面の水分を吸収するときに、冷凍・解凍用シートの一部が食品に吸い付いたり食い込んだりした状態になることもある。食品に貼り付いた冷凍・解凍用シートを無理に剥がそうとすると、冷凍・解凍用シートが破れたり、食品に傷が付いたりする。冷凍・解凍用シートの繊維や高吸水性ポリマーが食品に付着したままになると、食品衛生的に好ましくない。冷凍・解凍用シートが食品に貼り付いた冷凍状態で輸送などの取扱いを行うと、振動や外力が加わったときに、冷凍・解凍用シートが食品から剥がれるとともに食品の傷付きなどが発生することがある。
The above-described freezing / thawing sheet of Patent Document 1 has a problem that the freezing / thawing sheet tends to stick to the surface of a frozen food.
The water present between the freezing / thawing sheet and the food freezes and fixes them together. When the freezing / thawing sheet absorbs moisture on the surface of the food, a part of the freezing / thawing sheet may stick to or bite into the food. If you try to force the freezing / thawing sheet affixed to the food, the freezing / thawing sheet may be torn or the food may be damaged. If the fibers of the freezing / thawing sheet or the superabsorbent polymer remain attached to the food, it is not preferable for food hygiene. If handling such as transportation in a frozen state where the freezing / thawing sheet is stuck to the food, when the vibration or external force is applied, the freezing / thawing sheet is peeled off from the food and the food is damaged. There is.

特許文献1の技術では、パルプ繊維に高吸水性ポリマーを混入させた吸収体を、紙や不織布などの表面材で覆っている。この場合、表面材が食品に凍り付き易い。紙や不織布は、内部に吸収された水が凍ると食品に強力に固着してしまう。また、表面材で覆われている吸収体は、食品の水分を吸収し難くい。吸収体と表面材が積層されていて厚みのある冷凍・解凍用シートは、伝熱性が良くないため、冷凍時には食品の熱が放出され難く、解凍時には食品の温度が上がり難くなる。
さらに、高吸水性ポリマーなどの吸水材は、食品の水分を過剰に吸収したり、吸収した水分を保持したままになったりするので、食品の水分が過剰に奪われて、食味などの品質性能が低下するという問題も起こる。
In the technique of Patent Document 1, an absorbent body in which a superabsorbent polymer is mixed with pulp fibers is covered with a surface material such as paper or nonwoven fabric. In this case, the surface material tends to freeze on the food. Paper and non-woven fabrics adhere strongly to food when the water absorbed inside freezes. Moreover, the absorber covered with the surface material is difficult to absorb the moisture of the food. A thick freezing and thawing sheet in which an absorber and a surface material are laminated has poor heat conductivity, so that the heat of food is hardly released during freezing, and the temperature of the food is difficult to rise during thawing.
In addition, water-absorbing materials such as highly water-absorbing polymers can absorb excessive moisture from food or retain the absorbed moisture, resulting in excessive deprivation of food and quality performance such as taste. There is also a problem that decreases.

本発明の課題は、魚介類などの食品その他の物品を冷凍あるいは解凍処理する際に、物品の品質性能を損なうことなく、迅速に冷凍あるいは解凍を行えるようにすることである。   An object of the present invention is to enable quick freezing or thawing without impairing the quality performance of a food or other product such as seafood when it is frozen or thawed.

本発明にかかる冷解凍促進材は、冷解凍処理時に物品の冷凍および解凍を促進させる冷解凍促進材であって、木炭粉が発泡樹脂シートに担持されてなり、前記食品の冷解凍処理時に物品に隣接して配置される。
〔冷解凍の対象物品〕
一般的に冷凍して輸送保管される物品であれば、特に制限はない。冷凍および解凍の処理を短時間で行う必要があったり、冷解凍処理による品質低下を避ける必要があったりする物品に有効である。
遠洋漁業で漁獲される魚介類のように、漁獲して内臓を取り出すなどの処理をしたあと直ちに冷凍される食品に好適に使用できる。解体されたあと直ちに冷凍される精肉食品にも好適である。野菜や果物を品質低下させずに急速冷凍したい場合にも有効である。調理食品や加工食品にも利用できる。
The cold thawing promoting material according to the present invention is a cold thawing accelerating material that promotes freezing and thawing of an article during cold thawing treatment, wherein charcoal powder is supported on a foamed resin sheet, and the article during cold thawing treatment of the food. Is placed adjacent to.
[Articles subject to cold thawing]
There is no particular limitation as long as it is an article that is generally frozen and transported and stored. This is effective for articles that need to be frozen and thawed in a short time or that need to avoid quality degradation due to cold thawing.
It can be suitably used for foods that are frozen immediately after processing such as catching and removing internal organs, such as seafood caught in the pelagic fishery. It is also suitable for meat products that are frozen immediately after being disassembled. It is also effective when you want to quickly freeze vegetables and fruits without degrading their quality. It can also be used for cooked and processed foods.

食品以外にも、医療物品など、冷凍保存によって品質維持を図り、解凍して使用する各種の物品にも適用できる。
〔木炭粉〕
冷解凍を促進させる機能を有する。冷解凍の対象物品に接触した状態で冷解凍しても、付着性が少ないので、物品に固着して剥がせなくなることがない。食品に接触しても安全性が高い。熱伝導性が高いので冷解凍が迅速に進む。
基本的には、通常の木炭材料が使用できる。木炭は、各種の木材、竹その他の繊維材料を焼成して得られる。焼成温度、焼成時間、焼成雰囲気などの焼成条件の違いによって、吸放湿性や表面特性などが違ってくる。
In addition to food, it can be applied to various articles such as medical articles whose quality is maintained by freezing and thawed.
[Charcoal powder]
Has the function of promoting cold thawing. Even if it is cold-thawed while in contact with the object to be cold-thawed, it does not adhere to the article and cannot be peeled off because of its low adhesion. High safety even when in contact with food. Since heat conductivity is high, cold thawing proceeds quickly.
Basically, normal charcoal material can be used. Charcoal is obtained by firing various kinds of wood, bamboo and other fiber materials. Depending on the firing conditions such as firing temperature, firing time, firing atmosphere, etc., the moisture absorption / release properties and surface characteristics vary.

木炭として、備長炭などの白炭が好ましい。備長炭は、「うばめがし」等の比較的に硬質の木材を、1100℃程度の比較的に高温で焼成精練して炭化させたものである。
木炭として、チップ状の木材を焼成して炭化させたチップ炭が好ましい。チップ炭は、丸太状の木材を焼成するのに比べて、焼成炭化が均一良好に行われ、吸放湿性などと向上する。
木炭として、活性化木炭あるいは触媒木炭と呼ばれる木炭が好ましい。具体的には、特開2000−226207号公報に開示された活性化木炭が使用できる。この活性化木炭は、木材チップ炭化物であって低温炭化部分と高温炭化部分とが混在する。活性化木炭の製造方法として、以下の方法が好ましい。最大差し渡し径10〜60mmの赤松チップ材を原料に用い、450〜550℃で熱処理して炭化させる低温炭化工程と、低温炭化工程に引き続いて、木材チップの炭化物を800〜900℃、480〜960秒で熱処理して、さらに炭化させる高温炭化工程と、高温炭化工程の終了時点で、炭化物に水を接触させる活性化工程とを行う。
As the charcoal, white charcoal such as Bincho charcoal is preferable. Bincho charcoal is obtained by carbonizing a relatively hard wood such as “swallowing” by baking and scouring at a relatively high temperature of about 1100 ° C.
As the charcoal, chip charcoal obtained by firing and carbonizing chip-like wood is preferable. Chip charcoal is fired and carbonized more uniformly than in the case of burning log-like wood, improving moisture absorption and desorption.
The charcoal is preferably charcoal called activated charcoal or catalytic charcoal. Specifically, activated charcoal disclosed in JP 2000-226207 A can be used. This activated charcoal is a wood chip carbide, in which a low temperature carbonized portion and a high temperature carbonized portion are mixed. As a method for producing activated charcoal, the following method is preferred. Using a red pine chip material having a maximum diameter of 10 to 60 mm as a raw material, followed by a low-temperature carbonization process in which carbonization is performed by heat treatment at 450 to 550 ° C., followed by a low-temperature carbonization process. A high temperature carbonization step in which heat treatment is performed in seconds and further carbonized, and an activation step in which water is brought into contact with the carbide at the end of the high temperature carbonization step are performed.

木炭粉は、1種類の木炭だけを使用してもよいし、製造原料や製造工程の異なる複数の木炭原料を組み合わせて使用することもできる。例えば、備長炭と前記活性化木炭とを組み合わせることができる。活性化木炭と備長炭とを20:80〜80:20の割合で組み合わせるのが好ましい。
木炭は、細かな粉体状にして使用する。細かな粉体にしておくことで、発泡樹脂材料への混合が良好に行われ、発泡樹脂シートにしたときに木炭の特性がより効果的に発揮される。木炭粉の粒径を、平均粒径1〜60μmに設定できる。好ましくは、平均粒径10〜15μmである。粒径30μm以下の木炭粉のみを使用するのが好ましい。
As the charcoal powder, only one kind of charcoal may be used, or a plurality of charcoal raw materials having different manufacturing raw materials or manufacturing processes may be used in combination. For example, Bincho charcoal and the activated charcoal can be combined. It is preferable to combine activated charcoal and Bincho charcoal in a ratio of 20:80 to 80:20.
Charcoal is used in the form of fine powder. By making the powder fine, mixing with the foamed resin material is performed well, and the charcoal characteristics are more effectively exhibited when the foamed resin sheet is formed. The particle size of the charcoal powder can be set to an average particle size of 1 to 60 μm. The average particle size is preferably 10 to 15 μm. It is preferable to use only charcoal powder having a particle size of 30 μm or less.

木炭粉の比表面積が大きいほど水分の吸着面積が増える。冷解凍促進材として適切な吸放湿性などを発揮させるには、BET比表面積50〜200m/gの範囲が好ましい。
〔発泡樹脂シート〕
木炭粉を担持させること以外は、基本的には通常の発泡樹脂シートと共通する材料および製造技術が適用できる。
木炭粉を担持させた発泡樹脂シートの製造技術として、特開平11−158309号公報に開示された技術が採用できる。
樹脂材料は、スチレン、ポリエチレン、ポリプロピレンなどのオレフィン系樹脂が使用できる。塩ビ系樹脂、ゴム系樹脂も使用できる。ポリエチレン樹脂の中で、メタロセン触媒を用いて重合されたメタロセンポリエチレンが、発泡樹脂シートの強度向上などに好ましい。発泡樹脂シートは、木炭粉を担持させることで、単体である場合よりも強度や耐久性が低下する場合があるので、強度に優れた樹脂材料を使用することが有効である。
As the specific surface area of the charcoal powder increases, the moisture adsorption area increases. A BET specific surface area of 50 to 200 m 2 / g is preferable for exhibiting appropriate moisture absorption / release properties as a cold thawing accelerator.
[Foamed resin sheet]
Except for supporting charcoal powder, materials and manufacturing techniques common to ordinary foamed resin sheets are basically applicable.
As a technique for producing a foamed resin sheet carrying charcoal powder, the technique disclosed in Japanese Patent Application Laid-Open No. 11-158309 can be employed.
As the resin material, an olefin resin such as styrene, polyethylene, or polypropylene can be used. Vinyl chloride resin and rubber resin can also be used. Among the polyethylene resins, metallocene polyethylene polymerized using a metallocene catalyst is preferable for improving the strength of the foamed resin sheet. Since the foamed resin sheet may have lower strength and durability than when it is a single substance by supporting charcoal powder, it is effective to use a resin material having excellent strength.

木炭粉が担持された発泡樹脂シートを製造するには、発泡樹脂シートの製造原料に、樹脂材料とともに木炭粉を配合しておく。木炭粉の配合割合は、樹脂100重量部に対して1〜40重量部の木炭粉を用いることができる。10〜40重量部が好ましい。木炭粉の割合が多いほうが、木炭粉の機能は良好に発揮できるが、発泡樹脂シートの製造が困難になったり、発泡樹脂シートの強度や耐久性が低下したりする。発泡樹脂シートの製造原料として、木炭粉が高濃度で練り込まれたマスターバッチ材料を、木炭粉が配合されていない通常の樹脂原料と混合して使用することもできる。この場合は、前記した樹脂と木炭粉の配合割合は、マスターバッチの配合ではなく、成形段階での原料配合で規定する。   In order to manufacture a foamed resin sheet on which charcoal powder is supported, charcoal powder is blended with a resin material in a raw material for manufacturing the foamed resin sheet. The compounding ratio of the charcoal powder can be 1 to 40 parts by weight of charcoal powder with respect to 100 parts by weight of the resin. 10-40 weight part is preferable. When the ratio of the charcoal powder is larger, the function of the charcoal powder can be exhibited better, but the production of the foamed resin sheet becomes difficult, and the strength and durability of the foamed resin sheet are lowered. As a production raw material of the foamed resin sheet, a master batch material in which charcoal powder is kneaded at a high concentration can be used by mixing with a normal resin raw material not containing charcoal powder. In this case, the blending ratio of the resin and the charcoal powder is defined not by the master batch but by the raw material blend in the molding stage.

発泡樹脂シートの製造は、通常の発泡樹脂シートの成形技術が適用でき、例えば、押出成形、Tダイ成形、インフレーション成形などが採用できる。
発泡樹脂シートは、使用する樹脂材料や製造条件によって、連続気泡あるいは独立気泡が形成される。冷解凍促進材の吸放湿性や通気性、伝熱性などを高めるには、連続気泡が好ましい。
発泡樹脂シートの発泡倍率は、発泡倍率が大きいほど、緩衝性が良くなり、軽量にもなる。木炭粉の露出割合も増えて、木炭粉の機能が良好に発揮できる。発泡倍率が大きすぎると、強度が低下したり、木炭粉が十分に担持できなくなったりする。具体的な発泡倍率は5〜40倍に設定できる。好ましくは、発泡倍率8〜12倍である。発泡樹脂シートの連続気泡率を、60〜90容量%に設定できる。
For the production of the foamed resin sheet, a conventional foamed resin sheet molding technique can be applied. For example, extrusion molding, T-die molding, inflation molding, or the like can be employed.
In the foamed resin sheet, open cells or closed cells are formed depending on the resin material used and manufacturing conditions. In order to improve the moisture absorption / release property, breathability, heat transfer property, etc. of the cold thawing accelerator, open cells are preferable.
As the expansion ratio of the foamed resin sheet increases, the cushioning property is improved and the weight is reduced. The exposed ratio of the charcoal powder increases, and the charcoal powder function can be exhibited well. If the expansion ratio is too large, the strength may be reduced, or charcoal powder may not be supported sufficiently. The specific foaming ratio can be set to 5 to 40 times. Preferably, the expansion ratio is 8 to 12 times. The open cell ratio of the foamed resin sheet can be set to 60 to 90% by volume.

発泡樹脂シートの厚みは、使用形態や要求性能によっても異なるが、通常は、0.3〜2.5mmの範囲に設定できる。好ましくは、0.6〜1.0mmである。厚みが分厚いほうが強度的には好ましく、木炭粉の担持量も多くなって木炭粉の機能を向上できるが、厚みが薄いほうが、柔軟で通気性や透湿性、伝熱性が良好になる。
発泡樹脂シートは通気性や吸水性に優れたものが好ましい。具体的には、透気度30〜120秒、吸水率5%以上(自然吸水12時間)のものが好ましい。透気度は、直径50mmの円形シートに0.1kg/cmの空気圧をかけたときにおける空気100ml当たりの通過時間で表す。
The thickness of the foamed resin sheet varies depending on the usage pattern and required performance, but can usually be set in the range of 0.3 to 2.5 mm. Preferably, it is 0.6-1.0 mm. A thicker thickness is preferable in terms of strength, and the amount of charcoal powder supported is increased and the function of the charcoal powder can be improved. However, a thinner thickness provides more flexibility and better breathability, moisture permeability, and heat transfer.
The foamed resin sheet is preferably excellent in air permeability and water absorption. Specifically, those having an air permeability of 30 to 120 seconds and a water absorption rate of 5% or more (natural water absorption 12 hours) are preferable. The air permeability is expressed as a transit time per 100 ml of air when air pressure of 0.1 kg / cm 2 is applied to a circular sheet having a diameter of 50 mm.

〔冷解凍促進材の形態〕
木炭粉が担持された発泡樹脂シートはそのまま単独で、冷解凍促進材になる。
木炭粉担持発泡樹脂シートに、木炭粉を担持していない発泡樹脂シートや非発泡の合成樹脂シート、編織布、不織布、紙などを積層した積層シートも使用できる。積層シートにすることで、強度や耐久性、外観性などを向上できる。この場合、対象物品に当接する面に木炭粉担持発泡樹脂シートが配置されるようにする。
冷解凍促進材の形状は、単純な矩形その他のシート状のほか、対象となる物品の外形に合わせた平面形状のシート、あるいは、凹凸や湾曲、屈曲のある立体形状を有するものも採用できる。冷解凍促進材で包装容器や輸送容器を構成することもできる。例えば、木炭粉担持発泡樹脂シートで箱やトレイ、袋を構成することができる。通常の包装材料で構成された箱やトレイ、袋の内面に、木炭粉担持発泡樹脂シートを貼り付けておいたり、添わせておいたりすることもできる。
[Form of cold thawing accelerator]
The foamed resin sheet on which the charcoal powder is supported alone is used as a cold thawing accelerator.
A laminated sheet obtained by laminating a foamed resin sheet not supporting charcoal powder, a non-foamed synthetic resin sheet, a woven fabric, a nonwoven fabric, paper, or the like on the charcoal powder supporting foamed resin sheet can also be used. By using a laminated sheet, strength, durability, appearance and the like can be improved. In this case, the charcoal powder carrying foamed resin sheet is arranged on the surface in contact with the target article.
As the shape of the cold thawing promoting material, a simple rectangular or other sheet shape, a planar sheet that matches the outer shape of the target article, or a three-dimensional shape with unevenness, curvature, or bending can be adopted. A packaging container and a transport container can also be comprised with a cold thawing acceleration | stimulation material. For example, a box, a tray, or a bag can be comprised with a charcoal powder carrying | support foaming resin sheet. A charcoal powder-supporting foamed resin sheet can be attached to or attached to the inner surface of a box, tray, or bag made of ordinary packaging material.

〔冷解凍方法〕
<冷凍処理>
対象となる物品を冷凍する冷凍処理時に、物品に隣接して冷解凍促進材を配置しておく。
冷解凍促進材は、物品の表面に密着して配置されていてもよいし、目的の機能が発揮できる範囲で、わずかな間隔をあけて配置されていてもよい。冷解凍促進材は、物品の表面に配置していてもよいし、冷解凍促進材の上に物品を載せておいてもよい。物品の周囲を冷解凍促進材で包んだり囲んだりしておいてもよい。内面側に冷解凍促進材が配置された容器に物品を収容しておいてもよい。
[Cold thawing method]
<Frozen processing>
During the freezing process for freezing the target article, a cold thawing promoting material is placed adjacent to the article.
The cold thawing promoting material may be disposed in close contact with the surface of the article, or may be disposed at a slight interval as long as the intended function can be exhibited. The cold thawing promoting material may be disposed on the surface of the article, or the article may be placed on the cold thawing promoting material. The article may be surrounded or surrounded by a cold thawing promoting material. The article may be stored in a container in which a cold thawing promoting material is disposed on the inner surface side.

さらに、物品と冷解凍促進材とを、気密性袋に真空封入しておくこともできる。気密性袋に真空封入された物品は、輸送保管などの取扱い中に、品質低下が少なく、長期間の保存にも耐える。
物品によって、冷凍処理の状況が異なる。例えば、漁船で漁獲されたばかりの魚介類を冷凍する場合は、冷凍前の処理を施された魚介類を冷解凍促進材とともに包装したり梱包したりした状態で冷凍庫に入れて、冷凍処理を行うことができる。家庭においては、購入した生鮮食品や家庭で調理した食品などを、冷凍促進材とともに冷凍用袋や冷凍用容器に入れて、冷蔵庫の冷凍室に入れることができる。
Furthermore, the article and the cold thawing promoting material can be vacuum-sealed in an airtight bag. Articles sealed in an airtight bag are less likely to deteriorate during handling such as transportation and storage, and can withstand long-term storage.
The state of the freezing process varies depending on the article. For example, when freezing seafood that has just been caught on a fishing boat, the seafood that has been pre-frozen is packed in a freezer in a state of being packaged or packed with a cold-thawing accelerator, and then frozen. be able to. At home, purchased fresh food, home-cooked food, and the like can be placed in a freezing bag or freezing container together with a freezing accelerator and placed in the freezer compartment of the refrigerator.

なお、冷凍処理は、冷解凍促進材を使用せず、物品だけを通常の冷凍手段で冷凍して、解凍処理だけを冷解凍促進材を使用して行うこともできる。
<解凍処理>
冷凍された物品を、自然解凍あるいは加熱などの手段で強制解凍する際に、冷解凍促進材を物品に隣接して配置しておく。
冷凍処理の際に、冷解凍促進材とともに物品を冷凍し、そのままで輸送保管あるいは流通販売に供している場合は、解凍処理の際に、新たな冷解凍促進材を使用する必要はない。但し、解凍処理をより促進させるために、新たな冷解凍促進材を加えることは可能である。
The freezing treatment can be performed without using the cold thawing promoting material, only the article is frozen by a normal freezing means, and only the thawing treatment is performed using the cold thawing promoting material.
<Defrosting process>
When the frozen article is forcibly thawed by means such as natural thawing or heating, a cold thawing promoting material is placed adjacent to the article.
In the case of freezing the article together with the cold thawing promoting material during the freezing treatment and using it as it is for transport storage or distribution sales, it is not necessary to use a new cold thawing promoting material during the thawing treatment. However, a new cold thawing promoting material can be added to further accelerate the thawing process.

物品が冷解凍促進材とともに包装されている場合、そのままで室温に放置すれば、自然解凍される。例えば、気密性袋に真空封入されている場合は、気密性袋のままで放置すればよい。冷凍庫から取り出した冷凍物品を、冷解凍促進材の上に載せたり、冷解凍促進材で包んだりして、室温に放置してもよい。
冷解凍促進材と物品との包装体を、水に漬けたり、流水にさらしたりして、自然解凍よりも解凍を促進させることもできる。冷解凍促進材と物品との包装体を、電子レンジなどで加熱して強制解凍することも可能である。
When the article is packaged together with a cold thawing promoting material, it is naturally thawed if left as it is at room temperature. For example, when vacuum-sealed in an airtight bag, the airtight bag may be left as it is. The frozen article taken out from the freezer may be placed on a cold thawing promoting material or wrapped with a cold thawing promoting material and left at room temperature.
The package of the cold thawing promoting material and the article can be soaked in water or exposed to running water to promote thawing rather than natural thawing. It is also possible to forcibly defrost by heating the package of the cold thawing promoting material and the article with a microwave oven or the like.

本発明にかかる冷解凍促進材は、魚介類などの物品に隣接して配置しておくだけで、冷凍処理および解凍処理の進行を促進して、短時間で冷凍処理または解凍処理を終了させることができる。冷凍処理および解凍処理にかかる時間が短縮できれば、冷凍処理に要する電力を削減できたり、解凍後の調理を直ぐに始めたりすることができる。解凍から調理までの所要時間が短縮でき、調理作業の能率化およびコスト削減にも貢献できる。
短時間で冷凍処理あるいは解凍処理が行えることは、冷解凍過程における内部組織の損傷や含有成分の漏出を減らすことにもなり、物品の品質特性の維持にも有効である。
特に、冷解凍促進材が対象物品に接触したままで冷凍されても、付着性の少ない木炭粉が物品と接触しているので、冷解凍促進材が物品に貼り付いてしまうことが防げる。物品が完全に解凍されていない段階でも、冷解凍促進材を容易に剥がすことができ、物品の表面を損傷することもない。
The cold thawing promoting material according to the present invention is only placed adjacent to an article such as seafood, and promotes the progress of the freezing process and the thawing process to complete the freezing process or the thawing process in a short time. Can do. If the time required for the freezing process and the thawing process can be shortened, the electric power required for the freezing process can be reduced, or cooking after thawing can be started immediately. The time required from thawing to cooking can be shortened, and it can contribute to the efficiency and cost reduction of cooking work.
The ability to perform freezing or thawing in a short time also reduces internal tissue damage and leakage of contained components during the cold thawing process, and is effective in maintaining the quality characteristics of the article.
In particular, even if the cold thawing promoting material is frozen while in contact with the target article, the charcoal powder with less adhesion is in contact with the article, so that the cold thawing promoting material can be prevented from sticking to the article. Even when the article is not completely thawed, the cold thawing accelerator can be easily peeled off without damaging the surface of the article.

冷解凍促進材の木炭粉は、水分を迅速に吸収できるとともに、周囲が乾燥状態になれば、一度吸収した水分を再び放出する。その結果、物品の水分を過剰に奪い去って物品の品質を落とすことがない。伝熱性に優れた木炭粉は、冷解凍促進材の内外面での伝熱作用を高め、冷解凍時における物品への伝熱を良好にして、冷解凍の進行を大幅に促進する。   The charcoal powder of the cold thawing promoting material can absorb moisture quickly and releases the absorbed moisture again when the surroundings become dry. As a result, the quality of the article is not degraded by excessively removing the moisture from the article. Charcoal powder excellent in heat transfer improves the heat transfer action on the inner and outer surfaces of the cold thawing promoting material, improves heat transfer to the article during cold thawing, and greatly promotes the progress of cold thawing.

図1、2に示す実施形態は、鮭などの物品を、漁獲場所で直ちに冷凍して輸送保管を行う場合を示している。
鮭などの魚体10は、内蔵を取り出したり、洗浄したりする処理を終え、半身にした状態で冷凍処理を行う。
魚体10の上に、矩形シート状の冷解凍促進材20を複数枚並べて載せる。冷解凍促進材20は、例えば「チャコシート」(登録商標)〔日の丸カーボテクノ社製、厚み0.8mm〕を縦6cm×横10cmの矩形に裁断して使用する。
冷解凍促進材20を載せた魚体10を、合成樹脂フィルムからなる気密性袋30に入れ、気密性袋30の開口から真空吸引して、気密性袋30内を脱気する。気密性袋30は、魚体10の外形に対応する形状であってもよいが、単純な矩形の袋であってもよい。気密性袋30は内部の空気がなくなるにつれて、魚体10および冷解凍促進材20の表面にぴったりと密着するように変形する。気密性袋30の開口を、熱シールなどで封緘してしまえば、気密性袋30の内部に、魚体10および冷解凍促進材20が封入された状態になる。
The embodiment shown in FIGS. 1 and 2 shows a case where an article such as a kite is frozen immediately at a fishing place and transported and stored.
The fish body 10 such as a salmon is subjected to a freezing process in a state in which it is half-finished after it has been removed from the built-in or washed.
A plurality of rectangular sheet-shaped cold thawing promoting materials 20 are placed side by side on the fish body 10. As the cold thawing promoting material 20, for example, “Chaco Sheet” (registered trademark) [manufactured by Hinomaru Carbo Techno Co., Ltd., thickness 0.8 mm] is cut into a rectangle 6 cm long × 10 cm wide for use.
The fish body 10 on which the cold thawing promoting material 20 is placed is put into an airtight bag 30 made of a synthetic resin film, and vacuum suction is performed through the opening of the airtight bag 30 to deaerate the inside of the airtight bag 30. The airtight bag 30 may have a shape corresponding to the outer shape of the fish body 10 or may be a simple rectangular bag. The air-tight bag 30 is deformed so as to closely adhere to the surfaces of the fish body 10 and the cold thawing promoting material 20 as the air in the interior is exhausted. If the opening of the airtight bag 30 is sealed with a heat seal or the like, the fish body 10 and the cold thawing promoting material 20 are sealed inside the airtight bag 30.

魚体10および冷解凍促進材20が封入された気密性袋30を、冷凍庫や冷凍処理装置に運び入れ、冷凍処理を行う。冷凍処理によって、魚体10は冷凍される。この冷凍処理において、魚体10に添えられた冷解凍促進材20が、冷凍処理を促進させて、魚体10の品質性能を損なうことなく短時間で冷凍処理が完了する。
冷凍された魚体10は、冷解凍促進材20とともに気密性袋30に封入された状態のままで、保管あるいは輸送に供される。保管は冷凍保管庫を使い、輸送は冷凍設備を備えた船舶や車両、航空機などを使う。
図2に示すように、冷凍された魚体10入りの気密性袋30を、発泡ポリスチレン成形品などからなる魚箱40に収容した状態で、輸送保管を行えば、魚体10の傷みが少なくなり、取扱いも容易になる。
The airtight bag 30 in which the fish body 10 and the cold thawing promoting material 20 are enclosed is carried into a freezer or a refrigeration processing apparatus and subjected to a freezing process. The fish body 10 is frozen by the freezing process. In this freezing process, the cold thawing promoting material 20 attached to the fish body 10 accelerates the freezing process, and the freezing process is completed in a short time without impairing the quality performance of the fish body 10.
The frozen fish body 10 is stored or transported while being enclosed in the airtight bag 30 together with the cold thawing promoting material 20. Use a freezer for storage, and ship, vehicle, aircraft, etc. equipped with refrigeration equipment.
As shown in FIG. 2, if the airtight bag 30 containing the frozen fish body 10 is stored in a fish box 40 made of a foamed polystyrene molded product or the like and transported and stored, the fish body 10 is less damaged, Handling is also easy.

消費地まで運ばれた冷凍の魚体10は、気密性袋30のままで、魚箱40から取り出しして取り扱うことができる。
冷凍の魚体10を解凍して、販売や調理に供する際には、気密性袋30のままで、常温環境に放置して自然解凍する。自然解凍を行うことで、魚体10の傷みが少なく、品質性能に優れた状態で解凍が行える。このとき、魚体10に添えられた冷解凍促進材20が、解凍処理を促進させ、短時間で解凍処理が完了する。
〔別の実施形態〕
(A)図3は、家庭などで、冷凍食品を解凍する場合を示している。
The frozen fish body 10 carried to the consumption area can be taken out of the fish box 40 and handled in the airtight bag 30.
When the frozen fish body 10 is thawed and used for sale or cooking, the airtight bag 30 is left in a room temperature environment and naturally thawed. By performing natural thawing, the fish 10 can be thawed with little damage and excellent quality performance. At this time, the cold thawing promoting material 20 attached to the fish body 10 accelerates the thawing process, and the thawing process is completed in a short time.
[Another embodiment]
(A) FIG. 3 shows a case where frozen food is thawed at home or the like.

皿60の内底に、冷解凍促進シート20を敷いておき、その上に、冷凍状態の魚の切り身12を載せる。魚の切り身12は、家庭で冷凍したものであってもよいし、スーパーマーケットなどにおいて、冷凍状態で販売されたものでもよい。皿60は、陶器などからなる食卓用の皿であってもよいし、スーパーマーケットなどで販売時に使用される発泡スチロールトレイであってもよい。
図3の状態で、常温で放置しておけば、魚の切り身12は解凍される。このとき、冷解凍促進シート20が解凍を促進する。魚の切り身12から発生する水分は冷解凍促進シート20に迅速に吸収保持される。伝熱性の良い冷解凍促進シート20は、魚の切り身12を迅速に昇温させる。その結果、短時間で解凍されて、直ぐに切り分けたりして調理を行うことができる。魚の切り身12の内部組織が壊され難く、品質性能を損なうことが少ない。魚の切り身12のうち、一部がまだ凍っている状態で冷解凍促進シート20を取り外して調理を開始しても、冷解凍促進シート20は容易に剥がれ、魚の切り身12が傷付くことはない。
The cold thawing promoting sheet 20 is laid on the inner bottom of the dish 60, and the frozen fish fillet 12 is placed thereon. The fish fillets 12 may be frozen at home or sold in a frozen state in a supermarket or the like. The dish 60 may be a table dish made of earthenware or the like, or may be a styrofoam tray used at the time of sale in a supermarket or the like.
If left at room temperature in the state of FIG. 3, the fish fillets 12 are thawed. At this time, the cold thawing promoting sheet 20 promotes thawing. Moisture generated from the fish fillet 12 is quickly absorbed and held in the cold thawing promoting sheet 20. The cold thawing promoting sheet 20 having good heat conductivity quickly raises the temperature of the fish fillet 12. As a result, it can be thawed in a short time and cooked by cutting it immediately. The internal structure of the fish fillet 12 is not easily broken, and quality performance is rarely impaired. Even if the cold thawing promoting sheet 20 is removed and cooking is started while part of the fish fillet 12 is still frozen, the cold thawing promoting sheet 20 is easily peeled off, and the fish fillet 12 is not damaged.

(B)図4は、冷凍食品の包装容器に冷解凍促進材を備えている。
紙や樹脂シートで作製された包装箱70の内面の一部、図では天井面と内底面とに、冷解凍促進シート20が貼り付けられている。
包装箱70の内部に、冷凍する食品14を収容して、包装箱70のままで冷凍処理を行うことができる。冷凍処理の際には、食品14の上下に隣接して配置された冷解凍促進シート20が、食品14の冷解凍を促進させる。なお、予め大量にまとめて冷凍された食品14を、包装箱70に収容して蓋を閉めて包装してもよい。
冷凍された食品14は包装箱70のままで、流通販売および保管に供せられる。
(B) FIG. 4 is provided with a cold thawing promoting material in a frozen food packaging container.
The cold thawing promoting sheet 20 is affixed to a part of the inner surface of the packaging box 70 made of paper or a resin sheet, in the drawing, the ceiling surface and the inner bottom surface.
The food 14 to be frozen can be stored inside the packaging box 70, and the freezing process can be performed with the packaging box 70. During the freezing process, the cold thawing promoting sheet 20 disposed adjacent to the top and bottom of the food 14 promotes the cold thawing of the food 14. Note that the food 14 that has been frozen in large quantities in advance may be housed in the packaging box 70 and wrapped with the lid closed.
The frozen food 14 remains in the packaging box 70 and is distributed and stored.

冷凍食品を購入した消費者などは、包装箱70のままで食品14を自然解凍することができる。食品14は上下を冷解凍促進シート20で挟まれた状態になっているので、常温環境の熱が効率良く伝熱されて、迅速に解凍される。食品14から発生する水分は冷解凍促進シート20が迅速に吸収する。その結果、食品14の品質性能を損なうことなく短時間で解凍処理が完了する。
冷解凍促進シート20を含む包装箱70は、焼却などの廃棄処理も可能なので、使用後の後始末も容易である。
〔冷解凍処理における温度変化〕
図5は、冷解凍促進材の有無による解凍処理における温度変化を測定した結果を示している。
A consumer who has purchased frozen food can naturally thaw the food 14 in the packaging box 70. Since the food 14 is sandwiched between the cold thawing promoting sheets 20 at the top and bottom, the heat in the room temperature environment is efficiently transferred and thawed quickly. The moisture generated from the food 14 is quickly absorbed by the cold thawing promoting sheet 20. As a result, the thawing process is completed in a short time without impairing the quality performance of the food 14.
Since the packaging box 70 including the cold thawing promoting sheet 20 can be disposed of by disposal such as incineration, it is easy to clean up after use.
[Temperature change in cold thawing process]
FIG. 5 shows the results of measuring the temperature change in the thawing process with and without the cold thawing promoting material.

<冷解凍促進材>
日の丸カーボテクノ社より入手できる備長炭発泡シート「チャコシート」(登録商標)を使用。この備長炭発泡シートは、木炭粉として、「CT−21」(商品名、日の丸カーボテクノ社製、活性化木炭)と備長炭とを組み合わせている。「CT−21」を10重量%と備長炭を15重量%とポリエチレン75重量%とからなる材料を、押出発泡成形したものである。発泡倍率は約12倍であり、連続気泡率は約80%であり、透気度は約80秒であり、吸水率は20%以上(自然吸水12時間)である。厚みは0.8mmである。
<試験条件>
冷凍処理:
図1に示すように、鮭の半身からなる魚体10の上に、縦6cm×横10cmの矩形に切り取った冷解凍促進材20を3枚並べて載せ、市販の真空パック用の気密性袋30に収容して真空封入した。その後、冷凍庫に収容して、冷凍処理を行った。魚体10の表面に取り付けられた温度センサで、魚体10の温度変化を測定した。比較例として、冷解凍促進材20を使用しない場合についても同様の測定を行った。
<Cold thawing accelerator>
Uses Bincho charcoal foam sheet "Chaco Sheet" (registered trademark) available from Hinomaru Carbo Techno. This Bincho charcoal foam sheet combines "CT-21" (trade name, manufactured by Hinomaru Carbo Techno Co., Ltd., activated charcoal) and Bincho charcoal as charcoal powder. A material composed of 10% by weight of “CT-21”, 15% by weight of Bincho charcoal, and 75% by weight of polyethylene is extruded and foam-molded. The expansion ratio is about 12 times, the open cell ratio is about 80%, the air permeability is about 80 seconds, and the water absorption is 20% or more (natural water absorption 12 hours). The thickness is 0.8 mm.
<Test conditions>
Freezing treatment:
As shown in FIG. 1, three cold thawing promoting materials 20 cut into a rectangle of 6 cm in length and 10 cm in width are placed side by side on a fish body 10 made of a half body of salmon and placed in an airtight bag 30 for a commercially available vacuum pack. Housed and vacuum sealed. Then, it accommodated in the freezer and the freezing process was performed. The temperature change of the fish body 10 was measured with a temperature sensor attached to the surface of the fish body 10. As a comparative example, the same measurement was performed when the cold thawing promoting material 20 was not used.

解凍処理:
前記冷凍処理が行われた真空パック状態の魚体10を、冷凍庫から取り出し、室温環境に放置して、自然解凍を行った。冷凍処理と同様の温度測定を行い、測定結果を、図5に示している。
<試験結果>
(1) 解凍処理において、冷解凍促進材20を用いた実施例は、比較例に比べて、迅速に処理が進んでいる。
図5に示すように、温度が0℃よりも少し低い段階から、調理などの取扱いに適した5℃を超える程度の段階までの経過時間をみると、実施例のほうが比較例よりも、約60分程度も早く解凍が進んでいる。
Defrosting process:
The fish 10 in a vacuum-packed state subjected to the freezing treatment was taken out of the freezer and left in a room temperature environment for natural thawing. The same temperature measurement as in the freezing process is performed, and the measurement result is shown in FIG.
<Test results>
(1) In the thawing process, the example using the cold thawing accelerating material 20 proceeds more rapidly than the comparative example.
As shown in FIG. 5, when the elapsed time from the stage where the temperature is slightly lower than 0 ° C. to the stage where the temperature exceeds 5 ° C. suitable for handling such as cooking, the embodiment is about 5% more than the comparative example. Defrosting is progressing as early as 60 minutes.

このことは、例えば、冷凍食品から調理食品を製造する製造工場において、解凍工程から調理工程に移るまでの時間を大幅に短縮できることを意味しており、生産性向上に大きく貢献できることになる。家庭においても、冷凍食品を使って料理を完成するまでの時間を短縮することができる。
(2) 解凍処理において、魚体10の表面温度が5℃を超えた程度の段階で、冷解凍促進シート20を剥がしてみたところ、魚体10から容易に剥がすことができた。魚体10の表面に傷が付いたり、冷解凍促進シート20が破れたりすることもなかった。
(3) 解凍された魚体10を調理して食したところ、実施例のほうが比較例よりも、旨みがあり美味であった。これは、解凍処理が迅速に行われ、魚体10から水分が過剰に奪われることもなかった実施例では、鮮魚と遜色のない品質性能が維持されていたことを裏付けている。
This means that, for example, in a manufacturing factory that manufactures cooked food from frozen food, it is possible to significantly reduce the time from the thawing process to the cooking process, which can greatly contribute to productivity improvement. Even at home, it is possible to shorten the time to complete cooking using frozen food.
(2) In the thawing process, when the cold thawing promoting sheet 20 was peeled off when the surface temperature of the fish body 10 exceeded 5 ° C., the fish body 10 was easily peeled off. The surface of the fish body 10 was not damaged, and the cold thawing promoting sheet 20 was not torn.
(3) When the thawed fish body 10 was cooked and eaten, the example was more delicious and tasty than the comparative example. This confirms that the quality performance comparable to that of fresh fish was maintained in the example in which the thawing process was performed quickly and the water was not excessively deprived of the fish body 10.

また、魚体10に含まれるアミノ酸を分析したところ、実施例では、グルタミン酸やイノシン酸などの旨み成分となるアミノ酸の割合が多くなっていた。冷解凍促進シート20に含まれる木炭粉が、アミノ酸を変性させて、旨みを向上させる機能も発揮しているものと推定できる。
(4) 冷凍処理についても、解凍処理と同様に、冷解凍促進シート20を用いた実施例は、比較例に比べて、迅速に処理が進んだ。但し、解凍処理に比べると、処理時間の違いは少なかった。
これは、冷凍装置の能力が十分に高い場合は、冷解凍促進シート20がなくても、極めて短い時間で冷凍処理が終了してしまうので、冷解凍促進シート20の効果が十分に表れなかったものと考えられる。
Moreover, when the amino acid contained in the fish body 10 was analyzed, in the Example, the ratio of the amino acid used as flavor components, such as glutamic acid and inosinic acid, increased. It can be presumed that the charcoal powder contained in the cold thawing promoting sheet 20 also exhibits a function of modifying the amino acid and improving the umami.
(4) As for the freezing process, as in the thawing process, the example using the cold thawing promoting sheet 20 proceeded more quickly than the comparative example. However, there was little difference in processing time compared to the thawing process.
This is because, when the capacity of the refrigeration apparatus is sufficiently high, the freezing treatment is completed in a very short time even without the cold thawing promoting sheet 20, and thus the effect of the cold thawing promoting sheet 20 was not sufficiently exhibited. It is considered a thing.

消費者が購入した生魚を、家庭用冷凍庫で冷凍する場合のように、比較的に能力が低い冷凍装置で、冷凍処理に時間が長くかかるケースでは、冷解凍促進シート20の有無による効果の違いが大きくなるものと推定できる。
(5) 冷解凍促進シート20の数を2枚にして、同様の冷解凍試験を行なったところ、3枚の場合よりは少し冷解凍促進効果が低下したが、実用的には十分な機能を有することが確認された。具体的には、解凍処理において、約0℃から約5℃までの経過時間を、使用しない場合よりも約25分程度短くできた。
In the case where the raw fish purchased by the consumer is frozen in a household freezer and the refrigeration apparatus has a relatively low capacity and takes a long time for the freezing process, the difference in effect due to the presence or absence of the cold thawing promoting sheet 20 Can be estimated to be large.
(5) The same cold thawing test was conducted with the number of cold thawing promoting sheets 20 being two, and the effect of accelerating cold thawing was slightly lower than in the case of three sheets, but it has practically sufficient functions. It was confirmed to have. Specifically, in the thawing process, the elapsed time from about 0 ° C. to about 5 ° C. could be shortened by about 25 minutes compared with the case where it was not used.

本発明の実施形態を表す冷解凍促進材の使用状態を示す平面図The top view which shows the use condition of the cold thawing acceleration | stimulation material showing embodiment of this invention 冷凍保存状態の断面図Cross-sectional view of frozen storage 別の実施形態を表す断面図Sectional drawing showing another embodiment 別の実施形態を表す断面図Sectional drawing showing another embodiment 解凍処理時の温度変化を示すグラフ図Graph showing temperature change during thawing process

符号の説明Explanation of symbols

10 魚体
12 魚の切り身
14 冷凍食品
20 冷解凍促進シート
30 気密性袋
40 魚箱
60 皿状容器
70 包装箱
DESCRIPTION OF SYMBOLS 10 Fish body 12 Fish fillet 14 Frozen food 20 Cold-thawing promotion sheet 30 Airtight bag 40 Fish box 60 Dish container 70 Packaging box

Claims (7)

冷解凍処理時に物品の冷凍および解凍を促進させる冷解凍促進材であって、
木炭粉が発泡樹脂シートに担持されてなり、
前記食品の冷解凍処理時に物品に隣接して配置される
冷解凍促進材。
A cold thawing accelerator that promotes freezing and thawing of articles during cold thawing treatment,
Charcoal powder is supported on the foamed resin sheet,
A cold thawing promoting material arranged adjacent to an article during the cold thawing treatment of the food.
前記木炭粉が、木材チップ炭化物であって低温炭化部分と高温炭化部分とが混在する活性化木炭を含み、粒径100μm以下で平均粒径10〜15μmである
請求項1に記載の冷解凍促進材。
2. The cold thawing promotion according to claim 1, wherein the charcoal powder includes activated charcoal that is a wood chip carbide and includes a low temperature carbonized portion and a high temperature carbonized portion, and has a particle size of 100 μm or less and an average particle size of 10 to 15 μm. Wood.
前記木炭粉が、前記活性化木炭に加えて備長炭を含み、活性化木炭と備長炭とが20:80〜80:20の割合である
請求項2に記載の冷解凍促進材。
The cold thawing promoting material according to claim 2, wherein the charcoal powder contains Bincho charcoal in addition to the activated charcoal, and the activated charcoal and Bincho charcoal are in a ratio of 20:80 to 80:20.
前記発泡樹脂シートが、ポリオレフィン系樹脂100重量部に対して10〜40重量部の木炭粉を含有し、連続気泡を有し、発泡倍率5〜40倍であり、厚さ0.3〜2.5mmである
請求項1〜3の何れかに記載の冷解凍促進材。
The foamed resin sheet contains 10 to 40 parts by weight of charcoal powder with respect to 100 parts by weight of the polyolefin-based resin, has open cells, has an expansion ratio of 5 to 40 times, and has a thickness of 0.3 to 2. The cold thawing promoting material according to claim 1, which is 5 mm.
前記ポリオレフィン系樹脂が、メタロセンポリエチレンからなる
請求項4に記載の冷解凍促進材。
The cold thawing promoting material according to claim 4, wherein the polyolefin resin is made of metallocene polyethylene.
物品を冷凍するか冷凍された物品を解凍する方法であって、
請求項1〜5の何れかに記載の冷解凍促進材を、前記物品の冷解凍処理時に物品に隣接して配置しておく工程(a)を含む
冷解凍方法。
A method of freezing an article or thawing a frozen article,
A cold thawing method comprising the step (a) of placing the cold thawing promoting material according to any one of claims 1 to 5 adjacent to an article during the cold thawing treatment of the article.
前記工程(a)が、
前記物品の冷凍処理時に、前記物品と前記冷解凍促進材とを気密性袋に真空封入する工程(a-1)と、
前記工程(a-1)のあとで、前記気密性袋に真空封入された状態の前記物品を冷凍する工程(a-2)と、
前記物品の解凍処理時に、前記気密性袋に前記冷解凍促進材とともに真空封入されたままで前記物品を解凍する工程(a-3)とを含む
請求項6に記載の冷解凍方法。
Step (a)
A step of vacuum-sealing the article and the cold thawing promoting material in an airtight bag during the freezing treatment of the article (a-1);
After the step (a-1), the step (a-2) of freezing the article in a state of being vacuum-sealed in the airtight bag,
The cold thawing method according to claim 6, further comprising a step (a-3) of thawing the article while being vacuum-sealed together with the cold thawing promoting material in the airtight bag during the thawing process of the article.
JP2004004680A 2004-01-09 2004-01-09 Cold thawing promoting material and cold thawing method Expired - Fee Related JP4537715B2 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020136734A1 (en) * 2018-12-26 2020-07-02 株式会社大木工藝 Resin molded article and method for producing resin molded article

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05123141A (en) * 1991-10-31 1993-05-21 Tokai Carbon Co Ltd Graphitic thawing plate
JPH0623495U (en) * 1991-07-17 1994-03-29 三和ライフセラ株式会社 Room temperature quick defroster
JPH0650493U (en) * 1992-12-16 1994-07-12 東海カーボン株式会社 Defroster
JPH0650492U (en) * 1992-12-16 1994-07-12 東海カーボン株式会社 Decompressor for complex shapes
JPH1143611A (en) * 1997-07-29 1999-02-16 Hinomaru Kaabo Techno Kk Carbonaceous-material-containing resin composition, its production and carbonaceousmaterial-containing resin molding
JPH11158309A (en) * 1997-09-03 1999-06-15 Nishi Nippon Noba Form Kk Sheet of plastic for adsorption and its production

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0623495U (en) * 1991-07-17 1994-03-29 三和ライフセラ株式会社 Room temperature quick defroster
JPH05123141A (en) * 1991-10-31 1993-05-21 Tokai Carbon Co Ltd Graphitic thawing plate
JPH0650493U (en) * 1992-12-16 1994-07-12 東海カーボン株式会社 Defroster
JPH0650492U (en) * 1992-12-16 1994-07-12 東海カーボン株式会社 Decompressor for complex shapes
JPH1143611A (en) * 1997-07-29 1999-02-16 Hinomaru Kaabo Techno Kk Carbonaceous-material-containing resin composition, its production and carbonaceousmaterial-containing resin molding
JPH11158309A (en) * 1997-09-03 1999-06-15 Nishi Nippon Noba Form Kk Sheet of plastic for adsorption and its production

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020136734A1 (en) * 2018-12-26 2020-07-02 株式会社大木工藝 Resin molded article and method for producing resin molded article

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