JPH085232A - Manufacturing of thermal insulated box - Google Patents
Manufacturing of thermal insulated boxInfo
- Publication number
- JPH085232A JPH085232A JP6140163A JP14016394A JPH085232A JP H085232 A JPH085232 A JP H085232A JP 6140163 A JP6140163 A JP 6140163A JP 14016394 A JP14016394 A JP 14016394A JP H085232 A JPH085232 A JP H085232A
- Authority
- JP
- Japan
- Prior art keywords
- box
- thermal insulating
- insulating material
- heat insulating
- foamed
- 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.)
- Pending
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
Landscapes
- Refrigerator Housings (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、冷蔵庫、ショーケース
などに使用される断熱箱体の製造方法に関するものであ
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for manufacturing a heat insulating box used for refrigerators, showcases and the like.
【０００２】[0002]
【従来の技術】従来の断熱箱体について、図６および図
７を参照して説明する。2. Description of the Related Art A conventional heat insulating box will be described with reference to FIGS.
【０００３】図６は従来の断熱箱体の斜視図、図７は図
６のＡ−Ａ線の断面図を示し、１は断熱箱体で、内箱２
と外箱３と内箱２および外箱３の間の空間部４に充填し
た発泡断熱材５とで形成される。前記外箱３の底面には
発泡断熱材５を注入するための注入口６が形成されてい
る。FIG. 6 is a perspective view of a conventional heat insulating box, and FIG. 7 is a sectional view taken along the line AA of FIG.
And a foam insulation 5 filled in a space 4 between the outer box 3, the inner box 2 and the outer box 3. An injection port 6 for injecting the foamed heat insulating material 5 is formed on the bottom surface of the outer box 3.
【０００４】また、発泡断熱材５は、ポリオールとイソ
シアネートと整泡剤と発泡剤と触媒とを混合して発泡充
填させたもので、発泡剤はフロン１１と水とを混合して
おり、水の量が約１０％となるようにしている。この水
の量を約１０％としているのは、気泡中の炭酸ガスを少
なくして断熱性能が低下するのを防止するためである。The foamed heat insulating material 5 is a mixture of a polyol, an isocyanate, a foam stabilizer, a foaming agent and a catalyst, which is foamed and filled. The foaming agent is a mixture of Freon 11 and water. Is about 10%. The amount of water is set to about 10% in order to prevent the carbon dioxide gas in the bubbles from decreasing and prevent the heat insulating performance from deteriorating.
【０００５】[0005]
【発明が解決しようとする課題】しかしながら、近年冷
蔵庫などは解体の容易性も考慮する必要があり、この点
から従来の断熱箱体１を検討すると、発泡断熱材５と外
箱３と内箱２とがポリオールの性質並びに内箱２、外箱
３の極性関係から剥離分離し難いという問題点があっ
た。However, in recent years, it is necessary to consider the ease of disassembling refrigerators and the like. Considering the conventional heat insulating box 1 from this point, the foam heat insulating material 5, the outer case 3 and the inner case are examined. There is a problem that 2 and 2 are difficult to peel and separate due to the nature of the polyol and the polar relationship between the inner box 2 and the outer box 3.
【０００６】本発明は上記問題点に鑑み、剥離分離しや
すい断熱箱体の製造方法を提供することを目的とするも
のである。In view of the above problems, it is an object of the present invention to provide a method of manufacturing a heat insulating box which is easy to peel and separate.
【０００７】[0007]
【課題を解決するための手段】上記の目的を達成するた
めに、本発明の断熱箱体の製造方法は、二つの箱体の間
に形成される空間部に、水分添加比率が多い発泡剤を含
む発泡断熱成分を充填するものである。In order to achieve the above object, a method of manufacturing a heat insulating box according to the present invention comprises a foaming agent having a large water addition ratio in a space formed between two boxes. It is to be filled with a foamed heat insulating component containing.
【０００８】また、空間部に、高級脂肪酸金属塩を２〜
３％添加したポリオールを含む発泡断熱成分を充填する
ものである。Further, the higher fatty acid metal salt is added to the space in an amount of 2 to 3.
The foamed heat insulating component containing 3% of the added polyol is filled.
【０００９】また、空間部に、主鎖が長く末端がＭｅで
構成されるシリコン系整泡剤を含む発泡断熱成分を充填
するものである。Further, the space portion is filled with a foamed heat insulating component containing a silicon type foam stabilizer having a long main chain and a terminal of Me.
【００１０】さらに、一方の箱体がアクリル比率を７０
％以上にした合成樹脂からなり、他方の箱体が表面に離
型処理を施した鉄板からなり、両者の間に発泡断熱成分
を充填するものである。Further, one box has an acrylic ratio of 70.
% Of synthetic resin, the other box is made of an iron plate whose surface is subjected to a mold release treatment, and a foamed heat insulating component is filled between the two boxes.
【００１１】[0011]
【作用】以上説明したような手段により得られる断熱箱
体は、発泡剤中の水分添加比率が多いことから発泡断熱
材中の水分添加量が多くなって箱体との接着力が低下す
る。In the heat insulating box obtained by the means described above, the amount of water added in the foaming agent is large, so that the amount of water added in the foamed heat insulating material is large and the adhesive strength with the box is lowered.
【００１２】また、発泡断熱材中のポリオールに高級脂
肪酸金属塩を２〜３％添加しているので、高級脂肪酸金
属塩が板と発泡断熱材の間にブリードして箱体の接着力
が低下する。Since the higher fatty acid metal salt is added to the polyol in the foamed heat insulating material in an amount of 2 to 3%, the higher fatty acid metal salt bleeds between the plate and the foamed heat insulating material to lower the adhesive strength of the box. To do.
【００１３】また、発泡断熱材中に主鎖が長く末端がＭ
ｅで構成されるシリコン整泡剤を用いているので、シリ
コン整泡剤中のＳｉＯ分子が箱体と発泡断熱材との間に
ブリードして接着力を低下させる。In addition, in the foam insulation material, the main chain is long and the end is M
Since the silicon foam stabilizer composed of e is used, SiO molecules in the silicon foam stabilizer bleed between the box body and the foamed heat insulating material to reduce the adhesive force.
【００１４】さらに、一方がアクリル比率を７０％以上
に高めた合成樹脂から成る箱体で、他方が表面に離型処
理を施した鉄板から成るので、発泡断熱材との接着力は
弱くなる。Furthermore, since one is a box made of a synthetic resin having an acrylic ratio increased to 70% or more and the other is an iron plate whose surface is subjected to a mold release treatment, the adhesive strength with the foamed heat insulating material is weakened.
【００１５】[0015]
【実施例】図１〜図５は本発明の実施例により得られた
断熱箱体の要部の断面図もしくは模式図で、すでに説明
した従来例と同一の構成部品については、同一番号を付
してその詳細な説明を省略する。1 to 5 are sectional views or schematic views of a main part of a heat insulating box obtained according to an embodiment of the present invention, in which the same components as those of the conventional example described above are designated by the same reference numerals. The detailed description thereof will be omitted.
【００１６】図１および図２において、７は内箱２と外
箱３とにより形成される空間部４に充填されたポリオー
ルとイソシアネートと発泡剤と整泡剤とを含む発泡断熱
材で、発泡剤比率でフロンガスに対して、水が５０％含
有されている。この発泡剤に含有された水と断熱材成分
のイソシアネートとがウレア結合反応をして、内箱２と
発泡断熱材７、および外箱３と発泡断熱材７の界面に生
成するスキン層８を厚くする（図２参照）。In FIGS. 1 and 2, 7 is a foamed heat insulating material containing a polyol, an isocyanate, a foaming agent and a foam stabilizer filled in a space 4 formed by the inner box 2 and the outer box 3, and foamed. 50% water is contained in the fluorocarbon gas in terms of the agent ratio. Water contained in the foaming agent and isocyanate as a heat insulating material component undergo a urea bonding reaction to form a skin layer 8 formed at the interface between the inner box 2 and the foamed heat insulating material 7, and the outer box 3 and the foamed heat insulating material 7. Thicken (see Figure 2).
【００１７】この結果、界面部でのウレア結合が増加す
るので外箱３および内箱２と、発泡断熱材７との剥離分
離がしやすくなり、リサイクルが容易な断熱箱体９が形
成される。As a result, since the urea bond at the interface increases, the outer box 3 and the inner box 2 and the foamed heat insulating material 7 are easily separated and separated, and the heat insulating box 9 which is easy to recycle is formed. .
【００１８】また自己接着性を有しない発泡断熱材７を
注入する際、固定用治具（図示せず）の温度を低めに設
定し、発泡断熱材７の表面にスキン層８を形成させ、内
箱２と自己接着性を有しない発泡断熱材７との剥離、外
箱３と自己接着性を有しない発泡断熱材７との剥離が容
易に成される様にして、リサイクルを容易にすることも
出来る。When injecting the foamed heat insulating material 7 having no self-adhesiveness, the temperature of the fixing jig (not shown) is set to be low, and the skin layer 8 is formed on the surface of the foamed heat insulating material 7. The inner box 2 and the foamed heat insulating material 7 that does not have self-adhesiveness are separated from each other, and the outer box 3 and the foamed heat insulating material 7 that does not have self-adhesiveness are easily separated from each other to facilitate recycling. You can also do it.
【００１９】また、他の実施例を図３を参照にして説明
する。図３において、１０は断熱材成分のポリオール側
に、高級脂肪酸金属塩を２〜３％添加した発泡断熱材
で、硬化過程において前記高級脂肪酸金属塩がスキン層
の表皮部に析出して高級脂肪酸金属塩による分離層１１
が形成され、この分離層１１が内部剥離材として内箱２
および外箱３と発泡断熱材１０との間に介在して剥離が
容易となる。Another embodiment will be described with reference to FIG. In FIG. 3, 10 is a foamed heat insulating material in which a higher fatty acid metal salt is added to the polyol side of the heat insulating material in an amount of 2 to 3%, and the higher fatty acid metal salt is deposited on the skin portion of the skin layer during the curing process to form higher fatty acid. Metal salt separation layer 11
Is formed, and this separation layer 11 serves as an internal release material for the inner box 2
Further, the peeling is facilitated by interposing between the outer box 3 and the foamed heat insulating material 10.
【００２０】また、他の実施例を図４を参照して説明す
ると、１２は内箱２と外箱３とにより形成される空間部
４に、式［Ｉ］で示される様な主鎖が長く末端がＭｅで
構成されるシリコン整泡剤を添加した自己接着性を有し
ない発泡断熱材である。Another embodiment will be described with reference to FIG. 4. Reference numeral 12 denotes a space portion 4 formed by an inner box 2 and an outer box 3 in which a main chain represented by the formula [I] is formed. It is a foamed heat insulating material which does not have self-adhesiveness to which a silicon foam stabilizer having a long terminal composed of Me is added.
【００２１】 Ｍｅ３−Ｓｉ−（Ｓｉ−Ｏ）ｍ−Ｏ−Ｓｉ−Ｍｅ３ ［Ｉ］ したがってＳｉ−Ｏ分子が発泡断熱材１２と内箱２の間
並びに発泡断熱材１２と外箱３の間にブリードして表皮
層１３となり、両者間の接着性が低下し、発泡断熱材１
２と内箱２および外箱３との剥離が容易となり、断熱箱
体のリサイクルが容易となる。Me3-Si- (Si-O) m-O-Si-Me3 [I] Therefore, Si-O molecules are present between the foam heat insulating material 12 and the inner box 2 and between the foam heat insulating material 12 and the outer box 3. Bleed to form the skin layer 13, and the adhesiveness between the two is reduced, and the foamed heat insulating material 1
2 can be easily separated from the inner box 2 and the outer box 3, and the heat insulating box can be easily recycled.
【００２２】さらに、他の実施例を図５を参照して説明
すると、１４はポリオレフィン系合成樹脂、或いは、Ａ
ＢＳ樹脂で、アクリルの比率を７０％以上に高くしたも
のを用いて成形した内箱で、発泡断熱材７との接着性を
低下させている。１５は離型処理を施した鉄板製の外箱
で、両箱１４，１５間に形成される空間部４に充填した
発泡断熱材７との接着性を低下させている。Another embodiment will be described with reference to FIG. 5. Reference numeral 14 is a polyolefin synthetic resin or A
An inner box formed by using a BS resin having a high acrylic ratio of 70% or more reduces the adhesiveness to the foamed heat insulating material 7. Reference numeral 15 denotes an outer box made of an iron plate that has been subjected to a mold release treatment, and has reduced adhesiveness with the foamed heat insulating material 7 filled in the space 4 formed between both boxes 14 and 15.
【００２３】したがって内箱１４および外箱１５と発泡
断熱材７との接着性を低下することができるので、両者
間の剥離が容易に出来、リサイクルが容易な断熱箱体９
が形成される。Therefore, the adhesiveness between the inner box 14 and the outer box 15 and the foamed heat insulating material 7 can be reduced, so that they can be easily separated from each other and can be easily recycled.
Is formed.
【００２４】[0024]
【発明の効果】以上説明したように、本発明によれば、
内箱と外箱とにより形成される空間部に、自己接着性を
有しない発泡断熱材を充填して断熱箱体が構成されてい
るので、内箱と発泡断熱材との剥離、外箱と発泡断熱材
との剥離が容易となり、リサイクルが容易な断熱箱体が
得られる。As described above, according to the present invention,
The space formed by the inner box and the outer box is filled with the foam heat insulating material having no self-adhesiveness to form the heat insulating box body, so that the inner box and the foam heat insulating material are separated, and the outer box and It is easy to separate from the foamed heat insulating material, and a heat insulating box that is easy to recycle can be obtained.
【００２５】また、発泡断熱材中に主鎖の長いシリコン
整泡剤が添加されているので、発泡断熱材と外箱との剥
離、発泡断熱材と内箱との剥離が容易になり、リサイク
ルが容易な断熱箱体が得られる。Further, since a foam stabilizer having a long main chain is added to the foam insulating material, the foam insulating material can be easily separated from the outer box and the foam insulating material can be easily separated from the inner box. A heat-insulating box that is easy to obtain is obtained.
【００２６】さらに、アクリル比率が７０％以上の合成
樹脂から成る一方の箱体と離型処理を施した鉄板より成
る他方の箱体とにより形成される空間部に、発泡断熱材
が充填されているので、発泡断熱材と外箱の剥離、発泡
断熱材と内箱との剥離が容易に出来、リサイクルが容易
な断熱箱体が得られる。Further, a foam insulating material is filled in a space formed by one box made of a synthetic resin having an acrylic ratio of 70% or more and the other box made of a release-treated iron plate. Therefore, the foamed heat insulating material and the outer box can be easily peeled off, and the foamed heat insulating material and the inner box can be easily peeled off, so that a heat insulating box body that is easy to recycle can be obtained.
【図１】本発明の実施例における断熱箱体の断面図FIG. 1 is a cross-sectional view of a heat insulating box in an embodiment of the present invention.
【図２】同断熱箱体における要部の模式図FIG. 2 is a schematic diagram of a main part of the heat insulating box.
【図３】本発明の他の実施例における断熱箱体の要部の
模式図FIG. 3 is a schematic view of a main part of a heat insulating box according to another embodiment of the present invention.
【図４】本発明の別の実施例における断熱箱体の要部の
模式図FIG. 4 is a schematic view of a main part of a heat insulating box according to another embodiment of the present invention.
【図５】本発明のさらに別の実施例における断熱箱体の
要部の模式図FIG. 5 is a schematic view of a main part of a heat insulating box in still another embodiment of the present invention.
【図６】従来の断熱箱体の斜視図FIG. 6 is a perspective view of a conventional heat insulating box.
【図７】図６のＡ−Ａ線断面図7 is a sectional view taken along the line AA of FIG.
２，１４ 内箱 ３，１５ 外箱 ４ 空間部 ７，１０，１２ 発泡断熱材 ８ スキン層 ９ 断熱箱体 １１ 分離層 １３ 表皮層 2,14 Inner box 3,15 Outer box 4 Space section 7,10,12 Foam insulation 8 Skin layer 9 Insulation box 11 Separation layer 13 Skin layer
Claims (4)
水分添加比率を多くした発泡剤を含む発泡断熱成分を充
填した断熱箱体の製造方法。1. A space formed by two boxes,
A method for manufacturing an insulating box body filled with a foamed insulating component containing a foaming agent having a high water addition ratio.
ポリオールとイソシアネートと発泡剤と整泡剤とを充填
してなるものにおいて、ポリオール側に高級脂肪酸金属
塩を２〜３％添加したポリオールを含む発泡断熱成分を
充填した断熱箱体の製造方法。2. A space formed by two boxes,
A method for producing a heat-insulating box body, which is obtained by filling a polyol, an isocyanate, a foaming agent, and a foam stabilizer, and is filled with a foamed heat-insulating component containing a polyol in which a higher fatty acid metal salt is added in an amount of 2 to 3%.
主鎖が長く末端がＭｅで構成されるシリコン系整泡剤を
含む発泡断熱成分を充填した断熱箱体の製造方法。3. In the space formed by the two boxes,
A method for producing a heat insulating box filled with a foamed heat insulating component containing a silicon type foam stabilizer, which has a long main chain and is composed of Me at the end.
に高めた合成樹脂から成り、他方の箱体が離型処理を施
した鉄板から成り、両者の間に発泡断熱成分を充填した
断熱箱体の製造方法。4. One of the boxes is made of a synthetic resin having an acrylic ratio increased to 70% or more, and the other of the boxes is made of an iron plate subjected to a mold release treatment. Box manufacturing method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6140163A JPH085232A (en) | 1994-06-22 | 1994-06-22 | Manufacturing of thermal insulated box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6140163A JPH085232A (en) | 1994-06-22 | 1994-06-22 | Manufacturing of thermal insulated box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH085232A true JPH085232A (en) | 1996-01-12 |
Family
ID=15262347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6140163A Pending JPH085232A (en) | 1994-06-22 | 1994-06-22 | Manufacturing of thermal insulated box |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH085232A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002040238A1 (en) * | 2000-11-16 | 2002-05-23 | Matsushita Electric Industrial Co., Ltd. | Foam resin, method of collecting foam gas, and method of disassembling refrigerator |
| US6836947B2 (en) | 2000-08-30 | 2005-01-04 | Matsushita Electric Industrial Co., Ltd. | Method of dismantling air conditioner |
| US6944926B2 (en) | 2000-07-14 | 2005-09-20 | Matsushita Electric Industrial Co., Ltd. | Method for disassembling refrigerator, compressing device, and device for disassembling the same |
| KR101321713B1 (en) * | 2010-11-02 | 2013-10-28 | 청호이엔씨 주식회사 | Heat Insulating Structure |
| WO2016163580A1 (en) * | 2015-04-07 | 2016-10-13 | (주)윈가람 | Method for filling insulation material using additional foaming, and architectural frame filled with insulation material |
-
1994
- 1994-06-22 JP JP6140163A patent/JPH085232A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6944926B2 (en) | 2000-07-14 | 2005-09-20 | Matsushita Electric Industrial Co., Ltd. | Method for disassembling refrigerator, compressing device, and device for disassembling the same |
| US6836947B2 (en) | 2000-08-30 | 2005-01-04 | Matsushita Electric Industrial Co., Ltd. | Method of dismantling air conditioner |
| WO2002040238A1 (en) * | 2000-11-16 | 2002-05-23 | Matsushita Electric Industrial Co., Ltd. | Foam resin, method of collecting foam gas, and method of disassembling refrigerator |
| US6938318B2 (en) | 2000-11-16 | 2005-09-06 | Matsushita Electric Industrial Co., Ltd. | Method for collecting a foam resin from a housing of a refrigerator |
| KR101321713B1 (en) * | 2010-11-02 | 2013-10-28 | 청호이엔씨 주식회사 | Heat Insulating Structure |
| WO2016163580A1 (en) * | 2015-04-07 | 2016-10-13 | (주)윈가람 | Method for filling insulation material using additional foaming, and architectural frame filled with insulation material |
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