JPH0625616B2 - Heating container for microwave oven - Google Patents
Heating container for microwave ovenInfo
- Publication number
- JPH0625616B2 JPH0625616B2 JP1038595A JP3859589A JPH0625616B2 JP H0625616 B2 JPH0625616 B2 JP H0625616B2 JP 1038595 A JP1038595 A JP 1038595A JP 3859589 A JP3859589 A JP 3859589A JP H0625616 B2 JPH0625616 B2 JP H0625616B2
- Authority
- JP
- Japan
- Prior art keywords
- microwave oven
- container
- zno
- heating container
- whisker
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Description
【発明の詳細な説明】 産業上の利用分野 本発明は電子レンジ用加熱容器に関する。さらに詳しく
は、電子レンジでの加熱を目的とした被加熱物を入れる
容器に関する。TECHNICAL FIELD The present invention relates to a heating container for a microwave oven. More specifically, it relates to a container for containing an object to be heated for the purpose of heating in a microwave oven.
従来の技術 元来、電子レンジにおける加熱は、被加熱物中に含まれ
る水分の誘電損による自己発熱が根拠となっているた
め、一般の陶磁器の皿や茶わん，徳利，ガラスのコップ
などは発熱するものではなかった。Conventional technology Originally, heating in a microwave oven is based on self-heating due to the dielectric loss of water contained in the object to be heated, so ordinary ceramic dishes, bowls, sake bottles, glass cups, etc. generate heat. It wasn't something to do.
発明が解決しよとする課題 従って、それらの容器に被加熱物を入れて加熱した場
合、容器の熱容量のために熱を奪われて加熱に時間がか
かったり、被加熱物の中心部は充分加熱されているが、
容器との界面は温度が低く、均一な加熱ができない場合
が多かった。Therefore, when the objects to be heated are put into those containers and heated, heat is taken due to the heat capacity of the containers and it takes a long time to heat, or the center of the objects to be heated is not enough. Is heated,
The temperature at the interface with the container was low, and in many cases uniform heating was not possible.
本発明は、電子レンジの電波で充分加熱される（発熱す
る）容器を提供するもので、これにより加熱時間を短縮
と、均一加熱を図るものである。The present invention provides a container that is sufficiently heated (heats) by the electric wave of a microwave oven, thereby shortening the heating time and achieving uniform heating.
課題を解決するための手段 本発明は容器の少なくとも一部に、発熱材として酸化亜
鉛ウイスカーを用いた電子レンジ用加熱容器である。Means for Solving the Problems The present invention is a heating container for a microwave oven, which uses zinc oxide whiskers as a heat generating material in at least a part of the container.
中でも特に、酸化亜鉛ウイスカーの基部から先端までの
長さが、１０μｍ以上である酸化亜鉛ウイスカーを発熱
材とした電子レンジ用加熱容器である。Particularly, it is a heating container for a microwave oven, which uses a zinc oxide whisker having a length from the base portion to the tip of the zinc oxide whisker of 10 μm or more as a heat generating material.
とりわけ、該酸化亜鉛ウイスカーがテトラポット構造で
ある酸化亜鉛ウイスカーを発熱材とした電子レンジ用加
熱容器である。In particular, the zinc oxide whisker is a heating container for a microwave oven using a zinc oxide whisker having a tetrapot structure as a heat generating material.
作 用 本発明で用いる酸化亜鉛（以下ＺｎＯと略記する）ウイ
スカーは、電子レンジで電波（２．４５ＧHz）により比
類なく強く発熱する性質を具備しているため、容器の少
くとも一部にこのＺｎＯウイスカーを備えると、電子レ
ンジで簡単に加熱される（発熱する）容器ができる。Work Zinc oxide (hereinafter abbreviated as ZnO) whiskers used in the present invention have the property of generating intense heat by microwaves (2.45 GHz) in a microwave oven. With a whisker, a container can be easily heated (heated) in the microwave.
従って、この容器を用いて加熱すると、被加熱物は割め
て短時間に、しかも均一に加熱されることができる。Therefore, when this container is used for heating, the object to be heated can be split and heated uniformly in a short time.
実施例 以下に実施例を用いて具体的に説明するが、本発明はこ
れらに限定されるものではない。Examples Hereinafter, the present invention will be specifically described with reference to examples, but the present invention is not limited thereto.
本発明では発熱材として全く新規なＺｎＯウイスカーを
用いる。このＺｎＯウイスカーの中でも特に特性的に極
立つのがテトラポット構造（第１図）のＺｎＯウイスカ
ーである。In the present invention, a completely new ZnO whisker is used as the heat generating material. Among these ZnO whiskers, the ZnO whiskers having the tetrapot structure (FIG. 1) are particularly characteristically outstanding.
このＺｎＯウイスカーは、表面に酸化皮膜を有する金属
亜鉛粉末を酸素を含む雰囲気下で加熱処理して生成する
ことができる。得られたテトラポット状ＺｎＯウイスカ
ーは、みかけの嵩比重０．０２〜０．１を有し、７０wt
％以上の高収率で極めて量産的である。第１図はその電
子顕微鏡写真で生成品の一例を示す。これによると、前
記の形状的，寸法的特長が明確に認められる（テトラポ
ット構造）。This ZnO whisker can be produced by heat-treating metallic zinc powder having an oxide film on its surface in an atmosphere containing oxygen. The obtained tetrapot ZnO whiskers have an apparent bulk specific gravity of 0.02 to 0.1
It is highly mass-producible with a high yield of over%. FIG. 1 is an electron micrograph showing an example of the product. According to this, the above-mentioned shape and dimensional features are clearly recognized (tetrapod structure).
ところで、テトラポット状ＺｎＯウイスカーの針状結晶
部が、３軸、あるいは２軸、さらには１軸のものが混入
する場合があるが、これは元来４軸の結晶の一部が折損
したものである。By the way, the needle crystal part of the tetrapot-like ZnO whisker may be mixed with triaxial, biaxial, or even uniaxial ones, which is originally a part of a tetraaxial crystal broken. Is.
また、ゴム，プラスチック，セラミック，ガラス等にこ
のテトラポット状ＺｎＯウイスカーを混入すると混合時
にテトラポット構造がくずれて、単純な針状ウイスカー
に変化する場合も多い。In addition, when the tetrapot-shaped ZnO whiskers are mixed into rubber, plastic, ceramics, glass, etc., the tetrapot structure collapses during mixing and often changes to simple needle-shaped whiskers.
このテトラポット状ＺｎＯウイスカーのＸ線回折図をと
ると、すべてＺｎＯのピークを示し、また電子線回折の
結果も、転移，格子欠陥の少ない単結晶性を示した。ま
た、不純物の含有量も少なく、原子吸光分析の結果、Ｚ
ｎＯが９９．９８％であった。An X-ray diffraction pattern of this tetrapot ZnO whisker showed all ZnO peaks, and the electron diffraction results also showed single crystallinity with few transitions and lattice defects. In addition, the content of impurities is low, and as a result of atomic absorption analysis, Z
nO was 99.98%.
容器の発熱効果の点では、ＺｎＯウイスカーの基部から
先端までの長さが１０μｍ程度以上のＺｎＯウイスカー
が好ましい。さらに５０μｍ以上で発熱効率が目立った
ものとなり、とりわけ１００μｍ以上で極めて発熱効率
の高い電子レンジ用容器が得られる。これらの場合、テ
トラポット構造のＺｎＯウイスカーにおいてさらに大き
な効果が得られ電子レンジ用容器としてさらに好ましい
ものである。In terms of the heat generation effect of the container, a ZnO whisker having a length from the base to the tip of the ZnO whisker of about 10 μm or more is preferable. Further, when it is 50 μm or more, the heat generation efficiency becomes conspicuous, and particularly when it is 100 μm or more, a microwave oven container having extremely high heat generation efficiency can be obtained. In these cases, a ZnO whisker having a tetrapot structure can obtain a greater effect and is more preferable as a microwave oven container.
次に、電子レンジ用容器として、ＺｎＯウイスカーは、
各種形態において用いられることができる。すなわち、
ＺｎＯウイスカーは各種マトリックス中に分散され、
皿，鉢，茶碗，徳利，土鍋，コップ等に成形されて用い
られる。このマトリックスとしては、陶器，磁器，ガラ
ス，ほうろう，プラスチック等が用いられる。Next, as a container for microwave oven, ZnO whiskers are
It can be used in various forms. That is,
ZnO whiskers are dispersed in various matrices,
It is used after being molded into plates, bowls, bowls, sake bottles, clay pots, cups, etc. Ceramics, porcelain, glass, enamels, plastics, etc. are used as this matrix.
また、容器の内面や、外面に有機や無機の塗料を用いて
塗布することもできる。It is also possible to apply an organic or inorganic coating on the inner surface or the outer surface of the container.
（実施例１） 前記方法でテトラポット状ＺｎＯウイスカーを得た。こ
のウイスカーの基部から先端までの長さは１００〜２０
０μｍに分布しており、アスペクト比は１０〜５０に分
布していた。抵抗値は５Kg／cm2加圧（厚さ２００μ
ｍ）で２×１０4Ω−cm（５０ＶＤＣ）であった。(Example 1) A tetrapot-shaped ZnO whisker was obtained by the above method. The length from the base to the tip of this whisker is 100-20
The distribution was 0 μm, and the aspect ratio was 10 to 50. Resistance value is 5 kg / cm 2 pressure (thickness 200μ
m) was 2 × 10 4 Ω-cm (50 VDC).
このＺｎＯウイスカーを粘土に混ぜ、軽く混練して充分
分散させた。このときＺｎＯウイスカーは２５wt％であ
った。この粘土組成物で肉厚５mm，高さ１０cm，内容量
３６０ｍｌの徳利を作り、焼いて仕上げた。The ZnO whiskers were mixed with clay and kneaded lightly to sufficiently disperse. At this time, the ZnO whiskers were 25 wt%. Using this clay composition, a sake bottle with a wall thickness of 5 mm, a height of 10 cm and an internal capacity of 360 ml was prepared and baked.
この徳利に水を３００ｍｌ入れ、電子レンジ（５００
Ｗ）で加熱したところ、水温が３０ｄｅｇ上昇する時間
は、ＺｎＯウイスカーを入れない徳利に比べて４８％短
かかった。しかも保温性の極めて高い徳利となった。Put 300 ml of water into this bottle and put it in a microwave oven (500
When heated with W), the time taken for the water temperature to rise by 30 deg was 48% shorter than that of Sakeli without ZnO whiskers. Moreover, it became a sake bottle with extremely high heat retention.
発明の効果 昨今では電子レンジは、各家庭の必需品ではあるが、そ
の反面不満も多い。その一つが、加熱時間と、不均一加
熱の問題である。本発明はこれらの問題をことごとく解
決し、電子レンジの機能を拡大するとともに、効率利用
を図るもので、その利用価値たるや図り知れないものが
ある。EFFECTS OF THE INVENTION Although microwave ovens are nowadays a necessity for every household, there are many complaints. One of them is the problem of heating time and uneven heating. The present invention solves all of these problems, expands the functions of the microwave oven, and makes efficient use of the microwave oven.
第１図は本発明に用いるＺｎＯウイスカーの結晶構造を
示す電子顕微鏡写真である。FIG. 1 is an electron micrograph showing the crystal structure of ZnO whiskers used in the present invention.
Claims (2)
が、磁器、陶器、セラミックス、ガラス、ほうろう、プ
ラスチック、ゴム、あるいは塗料などのマトリックス中
に配合され、該配合物が、容器の少なくとも一部を形成
することを特徴とする電子レンジ用加熱容器。1. A zinc oxide whisker having a tetrapot structure is compounded in a matrix such as porcelain, earthenware, ceramics, glass, enamel, plastic, rubber or paint, and the composition forms at least a part of a container. A heating container for a microwave oven, which is characterized by:
での長さが、１０μｍ以上である請求項１記載の電子レ
ンジ用加熱容器。2. The heating container for a microwave oven according to claim 1, wherein the length from the base to the tip of the zinc oxide whiskers is 10 μm or more.
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1038595A JPH0625616B2 (en) | 1989-02-17 | 1989-02-17 | Heating container for microwave oven |
| US07/480,443 US5231269A (en) | 1989-02-17 | 1990-02-15 | Electromagnetic wave energy conversion heat-generating material, heating container for microwave oven, and microwave oven |
| EP90103042A EP0383344B1 (en) | 1989-02-17 | 1990-02-16 | Electromagnetic wave energy conversion heat-generating material, heating container for microwave oven, and microwave oven |
| CA002010231A CA2010231C (en) | 1989-02-17 | 1990-02-16 | Electromagnetic wave energy conversion heat-generating material, heating container for microwave oven, and microwave oven |
| DE69023151T DE69023151T2 (en) | 1989-02-17 | 1990-02-16 | Heat excitation material by converting electromagnetic wave energy, heating container for microwave oven and microwave oven. |
| KR1019900001954A KR930006903B1 (en) | 1989-02-17 | 1990-02-17 | Electronic wave energy transfer emit heat material and heating container for electronic range |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1038595A JPH0625616B2 (en) | 1989-02-17 | 1989-02-17 | Heating container for microwave oven |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02217720A JPH02217720A (en) | 1990-08-30 |
| JPH0625616B2 true JPH0625616B2 (en) | 1994-04-06 |
Family
ID=12529643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1038595A Expired - Lifetime JPH0625616B2 (en) | 1989-02-17 | 1989-02-17 | Heating container for microwave oven |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0625616B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101987391A (en) * | 2009-07-30 | 2011-03-23 | 日铁住金溶接工业株式会社 | Insert-chip, plasma torch and plasma processing device |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103058621A (en) * | 2012-12-28 | 2013-04-24 | 武汉理工大学 | Preparation method for zinc oxide microwave-absorbing heat-generating material |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS605529A (en) * | 1983-06-23 | 1985-01-12 | Nec Corp | Washer |
| JPS63116028A (en) * | 1986-10-31 | 1988-05-20 | Dainippon Printing Co Ltd | Container for microwave cooking |
-
1989
- 1989-02-17 JP JP1038595A patent/JPH0625616B2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101987391A (en) * | 2009-07-30 | 2011-03-23 | 日铁住金溶接工业株式会社 | Insert-chip, plasma torch and plasma processing device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH02217720A (en) | 1990-08-30 |
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