JPH03218748A - Exothermic material and its production - Google Patents
Exothermic material and its productionInfo
- Publication number
- JPH03218748A JPH03218748A JP1436690A JP1436690A JPH03218748A JP H03218748 A JPH03218748 A JP H03218748A JP 1436690 A JP1436690 A JP 1436690A JP 1436690 A JP1436690 A JP 1436690A JP H03218748 A JPH03218748 A JP H03218748A
- Authority
- JP
- Japan
- Prior art keywords
- heat
- bag
- generating
- adhesive layer
- packaging bag
- 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
- 239000000463 material Substances 0.000 title claims abstract description 89
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 22
- 238000004806 packaging method and process Methods 0.000 claims abstract description 93
- 239000000853 adhesive Substances 0.000 claims abstract description 44
- 230000001070 adhesive effect Effects 0.000 claims abstract description 44
- 239000012790 adhesive layer Substances 0.000 claims description 89
- 239000000203 mixture Substances 0.000 claims description 34
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 21
- 229910052760 oxygen Inorganic materials 0.000 claims description 21
- 239000001301 oxygen Substances 0.000 claims description 21
- 239000010410 layer Substances 0.000 claims description 7
- 239000004820 Pressure-sensitive adhesive Substances 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 12
- 238000007789 sealing Methods 0.000 abstract description 6
- 230000002093 peripheral effect Effects 0.000 abstract description 4
- -1 sodium chloride Chemical compound 0.000 description 6
- 239000011248 coating agent Substances 0.000 description 5
- 238000000576 coating method Methods 0.000 description 5
- 239000005022 packaging material Substances 0.000 description 4
- 239000002985 plastic film Substances 0.000 description 4
- 229920006255 plastic film Polymers 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000004743 Polypropylene Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000004745 nonwoven fabric Substances 0.000 description 3
- 230000035699 permeability Effects 0.000 description 3
- 229920001155 polypropylene Polymers 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229920000298 Cellophane Polymers 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 2
- 239000005977 Ethylene Substances 0.000 description 2
- 229920001328 Polyvinylidene chloride Polymers 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 2
- 229920006026 co-polymeric resin Polymers 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 239000005033 polyvinylidene chloride Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000007639 printing Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- OEPOKWHJYJXUGD-UHFFFAOYSA-N 2-(3-phenylmethoxyphenyl)-1,3-thiazole-4-carbaldehyde Chemical compound O=CC1=CSC(C=2C=C(OCC=3C=CC=CC=3)C=CC=2)=N1 OEPOKWHJYJXUGD-UHFFFAOYSA-N 0.000 description 1
- IMROMDMJAWUWLK-UHFFFAOYSA-N Ethenol Chemical compound OC=C IMROMDMJAWUWLK-UHFFFAOYSA-N 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 235000013312 flour Nutrition 0.000 description 1
- 238000007646 gravure printing Methods 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000000123 paper Substances 0.000 description 1
- 229920006267 polyester film Polymers 0.000 description 1
- 229920001225 polyester resin Polymers 0.000 description 1
- 239000004645 polyester resin Substances 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000010186 staining Methods 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Landscapes
- Thermotherapy And Cooling Therapy Devices (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、使い捨てカイロ等の発熱材に関し、更に詳し
くは前記カイロに粘着材層を設けて装着時のズレを防止
してなる発熱材及びその製造方法に関するものである．
〔従来の技術〕
従来、使い捨てカイロ等の発熱材として、例えば実公昭
５６−３４７３５号の如く発熱組成物を収納した発熱袋
の片面に粘着剤層を設けて、又は両面テープにて発熱袋
を直接人体に又は下着等に接着することにより、特別な
装着用具等を必要とすることなく極めて簡便に対象物に
装着可能としてなる発熱袋が知られている。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a heat generating material such as a disposable body warmer, and more particularly to a heat generating material formed by providing an adhesive layer on the body warmer to prevent it from slipping when worn. It concerns the manufacturing method. [Prior Art] Conventionally, as a heat-generating material in disposable body warmers, etc., a heat-generating bag containing a heat-generating composition is provided with an adhesive layer on one side, or a heat-generating bag is attached with double-sided tape, as disclosed in Utility Model Publication No. 56-34735. 2. Description of the Related Art Heat-generating bags are known that can be attached directly to the human body or to underwear or the like, so that they can be attached to objects extremely easily without the need for special attachment tools.
しかし、この種の発熱袋は、発熱袋の外面に設けた粘着
剤層や両面テープの外面に剥離シートが設けられ、更に
これが非通気性包材にて密封包装されており、使用時に
はこの包材を開封したうえで前記剥離シートを剥がさな
ければならず、使用時に二重の手間がかかるだけでなく
、発熱材の製造工程においてもこの剥離シートを設ける
工程が増え、製品コスト上昇の原因にもなっている。However, this type of heat-generating bag has an adhesive layer on the outside of the heat-generating bag and a release sheet on the outside of the double-sided tape, which is then sealed in a non-breathable packaging material. The release sheet must be peeled off after the material is unpacked, which not only requires double effort during use, but also increases the number of steps for installing the release sheet in the manufacturing process of the heat generating material, which increases product costs. It has also become.
本発明は前記の点に鑑み、発熱組成物を収納し外面に粘
着材層を設けてなる発熱袋を非通気性包装袋に密封包装
してなる発熱材において、その使用時には粘着材層を設
けていない発熱材と同様に単に包装袋を開封するだけで
直ちに使用可能とするとともに、製造工程の合理化と製
品コストの低減を可能とした発熱材及びその製造方法を
提供せんとするものである．
〔課題を解決するための手段〕
本発明に係る発熱材は上記の目的を達成するために、内
部にｌ！Ｉ素の存在下で発熱する発熱組成物を収容し少
なくともその一部が酸素透過性を有する偏平状の発熱袋
を非通気性の包装袋内に密封包装してなる発熱材におい
て、前記発熱袋の外面と包装袋の内面との間に、その一
部又は全面に粘着材層を介在させてなるものである。そ
して、前記の場合において包装袋内面の剥離性が発熱袋
外面の剥離性より大とすることが好ましい。In view of the above-mentioned points, the present invention provides a heat-generating material in which a heat-generating bag containing a heat-generating composition and having an adhesive layer on the outer surface is sealed and packaged in a non-breathable packaging bag. The purpose of the present invention is to provide a heat generating material and its manufacturing method that can be used immediately by simply opening the package, similar to heat generating materials that do not contain heat generating materials, as well as streamlining the manufacturing process and reducing product costs. [Means for Solving the Problems] In order to achieve the above object, the heat generating material according to the present invention has l! A heat-generating material comprising a flat heat-generating bag containing a heat-generating composition that generates heat in the presence of element I and having at least a portion of the heat-generating bag having oxygen permeability, sealed in an air-impermeable packaging bag, wherein the heat-generating bag An adhesive layer is interposed between the outer surface of the bag and the inner surface of the packaging bag over a part or the entire surface thereof. In the above case, it is preferable that the releasability of the inner surface of the packaging bag is greater than the releasability of the outer surface of the heat generating bag.
又、前記発熱材における粘着材層は耐熱性を有する感圧
性粘着剤で構成することができる。そしてこの粘着剤と
して非転着性粘着剤を用いることができる．
更に、前記粘着材層を両面テープで構成してもよい。Further, the adhesive layer in the heat generating material may be made of a pressure-sensitive adhesive having heat resistance. A non-transferable adhesive can be used as this adhesive. Furthermore, the adhesive layer may be made of double-sided tape.
上記のような発熱材の製造するには、本発明では、酸素
の存在下で発熱する発熱組成物を少なくともその一部が
酸素透過性を有する偏平状の袋内に収納して発熱袋とし
、該発熱袋の少なくとも片面に粘着材層を形成し、これ
を非通気性を有する包装袋にて包装することにより、前
記発熱袋と包装袋との間に粘着材層を介在させた発熱材
を製造するものである．
前記の場合、発熱袋外面に形成される粘着剤層は、発熱
組成物を収納した後の発熱袋外面に塗布等により形成し
てもよいし、又、外面に予め粘着材層を形成したフイル
ム又はシート材等で発熱組成物を包装して発熱袋として
もよい。後者の場合には、該シート材等に形成した粘着
材層外面には適宜剥離シートを設けておき、発熱組成物
を包装して発熱袋を構成する段階で該剥離シートを取り
除けばよい。In order to produce the heat-generating material as described above, in the present invention, a heat-generating composition that generates heat in the presence of oxygen is housed in a flat bag, at least a part of which is permeable to oxygen, to form a heat-generating bag; By forming an adhesive layer on at least one side of the heat-generating bag and packaging it in a non-breathable packaging bag, a heat-generating material with an adhesive layer interposed between the heat-generating bag and the packaging bag can be obtained. It is manufactured. In the above case, the adhesive layer formed on the outer surface of the heat-generating bag may be formed by coating on the outer surface of the heat-generating bag after the heat-generating composition is stored, or it may be formed by applying a film on the outer surface of the heat-generating bag on which an adhesive layer is previously formed. Alternatively, the heat-generating composition may be wrapped in a sheet material or the like to form a heat-generating bag. In the latter case, a release sheet may be appropriately provided on the outer surface of the adhesive layer formed on the sheet material, etc., and the release sheet may be removed at the stage of packaging the heat-generating composition to form a heat-generating bag.
又、他の製造方法としては、酸素の存在下で発熱する発
熱組成物を少なくともその一部が酸素透過性を有する偏
平状の袋内に収納して発熱袋とし、この発熱袋を非通気
性を有し内面に粘着材層を形成してなる包装袋にて包装
し、包装袋外面から圧力を加えて発熱袋と包装袋との間
に粘着材層を介在させる方法がある。Another manufacturing method is to store a heat-generating composition that generates heat in the presence of oxygen in a flat bag, at least a part of which is permeable to oxygen, to make a heat-generating bag, and to make the heat-generating bag into an air-impermeable bag. There is a method in which the product is packaged in a packaging bag having a heat generating bag and an adhesive layer formed on the inner surface, and pressure is applied from the outside of the packaging bag to interpose the adhesive layer between the heat generating bag and the packaging bag.
前記の場合、包装袋内面に形成される粘着剤層は、該包
装袋にて発熱袋を包装する際に包装袋を構成するフイル
ム又はシート材等の内面に塗布等により形成してもよい
し、又、包装袋を構成するフイルム等の内面に予め粘着
剤層を形成したものを用いてもよい．後者の場合には、
フイルム等に形成した粘着材層外面には適宜剥離シート
を設けておき、このフイルム等にて発熱袋を包装する際
に前記剥離シートを取り除けばよい。In the above case, the adhesive layer formed on the inner surface of the packaging bag may be formed by coating on the inner surface of a film or sheet material, etc. that constitutes the packaging bag when the heat generating bag is packaged with the packaging bag. Alternatively, a film or the like constituting the packaging bag with an adhesive layer formed on the inner surface in advance may be used. In the latter case,
A release sheet may be appropriately provided on the outer surface of the adhesive layer formed on a film or the like, and the release sheet may be removed when the heat generating bag is packaged with this film or the like.
本発明に係る発熱材は上記の如く構成してなり、発熱袋
の外面に粘着材層を形成してなるから、これを包装袋か
ら取り出して直接人体又は下着等の対象物に接着するこ
とにより特別な装着用具やポケット等がなくても極めて
簡便に装着可能であり、しかも装着時のズレの発生もな
い．又、粘着材層を発熱袋と包装袋との間に介在させて
なるから、使用時には包装袋を開封するだけで直ちに対
象物へ装着することができる。The heat-generating material according to the present invention is constructed as described above and has an adhesive layer formed on the outer surface of the heat-generating bag, so that it can be removed from the packaging bag and directly adhered to an object such as a human body or underwear. It can be installed extremely easily without any special equipment or pockets, and there is no slippage during installation. Furthermore, since the adhesive layer is interposed between the heat generating bag and the packaging bag, the device can be immediately attached to an object by simply opening the packaging bag during use.
前記発熱袋の製造方法においては、酸素の存在下で発熱
する発熱組成物を少なくともその一部が酸素透過性を有
する偏平状の袋内に収納して発熱袋とし、該発熱袋に粘
着材層を形成するときには、通常の製造工程において発
熱袋を包装袋で包装する前の段階で発熱袋の外面に粘着
剤を塗布し、又は両面テープを貼着してこれを包装袋に
て包装するだけで簡単に粘着材付発熱袋を製造可能であ
り、製造工程が複雑となることがない。又、発熱袋を非
通気性を有し内面に粘着材層を形成してなる包装袋にて
包装して発熱袋と包装袋との間に粘着材層を介在させる
場合には、接着材層の形成は、発熱袋を構成する非通気
性フイルム等に対して行われるから、発熱袋に成形する
ときのように通気性等を考慮する必要がなく、且つ、平
滑なフイルム面に成形することから極めて容易であり、
この場合、包装袋外面から圧力を加えることにより、こ
の包装材に形成された粘着材層が発熱袋側へ接着され、
使用時には発熱袋外面に粘着材層が形成された状態とな
る．このとき、包装材内面の剥離性を発熱袋外面の剥離
性よりも大とすることで包装袋に形成した粘着材層が容
易に発熱袋外面へ接着される。In the method for producing a heat-generating bag, a heat-generating composition that generates heat in the presence of oxygen is housed in a flat bag, at least a portion of which is permeable to oxygen, to form a heat-generating bag, and the heat-generating bag is provided with an adhesive layer. When forming a heat-generating bag, in the normal manufacturing process, before wrapping the heat-generating bag in a packaging bag, simply apply an adhesive to the outside surface of the heat-generating bag or attach double-sided tape and wrap it in a packaging bag. A heat-generating bag with an adhesive material can be easily manufactured using the following methods, and the manufacturing process does not become complicated. In addition, when the heat-generating bag is packaged in a non-breathable packaging bag with an adhesive layer formed on the inner surface and an adhesive layer is interposed between the heat-generating bag and the packaging bag, the adhesive layer Since the formation is performed on the non-breathable film etc. that constitutes the heat generating bag, there is no need to consider breathability etc. when forming the heat generating bag, and the film can be formed on a smooth film surface. It is extremely easy from
In this case, by applying pressure from the outer surface of the packaging bag, the adhesive layer formed on the packaging material is adhered to the heat generating bag side.
When in use, an adhesive layer is formed on the outer surface of the heat generating bag. At this time, by making the releasability of the inner surface of the packaging material greater than the releasability of the outer surface of the heat-generating bag, the adhesive layer formed on the packaging bag is easily adhered to the outer surface of the heat-generating bag.
以下、図面に基づいて本発明を更に詳細に説明する。 Hereinafter, the present invention will be explained in more detail based on the drawings.
第１図は本発明に係る発熱材の縦断面図であり、図中１
が空気（酸素）の存在下で発熱する発熱組成物、２は少
なくともその一部が通気性を有し前記発熱組成物１を収
納してなる発熱袋、３は前記発熱袋２を密封包装してな
る非通気性材料からなる包装袋であり、該包装袋３と発
熱袋２との間には粘着材層４を介在させてなり、使用に
あたっては前記包装袋３を開封して内部の発熱袋２を取
り出し、前記粘着材層４を介して人体や下着等の対象物
へ接着して使用する。FIG. 1 is a longitudinal cross-sectional view of the heat generating material according to the present invention, and 1 in the figure.
is a heat-generating composition that generates heat in the presence of air (oxygen); 2 is a heat-generating bag, at least a part of which is breathable, and houses the heat-generating composition 1; 3 is a heat-generating bag containing the heat-generating bag 2; An adhesive layer 4 is interposed between the packaging bag 3 and the heat-generating bag 2, and when used, the packaging bag 3 is opened to release the heat inside. The bag 2 is taken out and used by adhering it to an object such as a human body or underwear via the adhesive layer 4.
前記発熱組成物ｌは、空気（酸素）の存在下で発熱する
各種の化学発熱組成物が使用可能であり、これは金属粉
、水、保水材、及び酸化促進剤等からなり包装袋３を開
封することで空気（酸素）と接触するだけで簡便に発熱
するものである．このような発熱組成物１としては、例
えば、鉄粉等の金属粉末、塩化ナトリウム等の塩化物、
水等の酸化助剤、更には活性炭や木粉等の保水材を成分
とする組成物等である。The heat-generating composition 1 can be any of various chemical heat-generating compositions that generate heat in the presence of air (oxygen). It simply generates heat when opened and comes into contact with air (oxygen). Examples of such exothermic composition 1 include metal powder such as iron powder, chloride such as sodium chloride,
These include compositions containing oxidation aids such as water, and water retention agents such as activated carbon and wood flour.
上記のような発熱組成物１を収納してなる発熱袋２は、
少なくともその一部、即ち、該発熱袋２の片面又は両面
の一部又は全面が酸素透過性を有する材料にて作成され
るものである．例えばこの発熱袋２の材料としては、紙
、布、不織布等と有孔プラスチックフイルムとを積層し
たシート材であり、酸素透過性を有し且つ内部に収納し
た前記発熱組成物１を外部に漏らさない材料で構成され
る。そして、図例の如く該発熱袋２０片面のみに粘着材
層４を形成する場合には、該粘着材層４を形成して対象
物に接着する片面側２ａを非通気性材料にて作成すると
ともに、他面２ｂを通気性材料にて作成することが好ま
しい．そして、この２枚のシート材２ａ及び２ｂを合わ
せてその周端部をヒートシール等することによりその片
面が通気性を有し、他面が非通気性で且つ粘着材層４が
形成された発熱袋２が構成され、この発熱袋２を対象物
へ装着したときには前記通気性シート材２ｂから空気（
酸素）が導入されて内部の発熱組成物１が発熱する．
前記発熱袋２を構成するシート材としては、例えばポリ
エチレンフイルム、ポリプロピレンフイルム、ポリエス
テルフイルム等の各種プラスチツクフイルムや、不織布
等が単独で又は積層して使用され、特に粘着材層４を形
成してなる非通気性シ一ト２ａにおいては、前記プラス
チックフイルムの外面に不織布を積層したものを用いて
粘着材層４との接着性を良好なものとすることが好まし
い。又、他面の通気性シート材２ｂとしては前記のよう
なシート材に通気孔を穿孔したものが用いられ、これは
予め通気孔を設けたプラスチックフイルムに不織布を積
層したり、又は不織布等にプラスチックフイルムを積層
した積層シートに微細孔を穿孔したものがある。更にこ
の通気性シート材２ｂとして、特公平１−３０１６９号
に記載されたように、微細連続孔を有するシートの所望
部分に適度な熱融着を施して通気性を調整したもの等も
用いることができる．
尚、発熱袋２の両面をともに通気性材料にて構成したり
、又、その両面に粘着材層４を形成することも可能であ
る．前記の如く発熱袋２の両面に粘着材層４を形成する
場合には、その全面に所定間隔を隔てて適宜パターンで
、又は所定位置のみにべ夕で形成することにより、発熱
袋２の通気性を確保するものとする。The exothermic bag 2 containing the exothermic composition 1 as described above is
At least a portion thereof, that is, a portion or the entire surface of one or both sides of the heat generating bag 2 is made of a material having oxygen permeability. For example, the material of the heat-generating bag 2 is a sheet material made by laminating paper, cloth, non-woven fabric, etc. and a perforated plastic film, and has oxygen permeability and prevents the heat-generating composition 1 stored inside from leaking to the outside. Constructed of no materials. When the adhesive layer 4 is formed on only one side of the heat generating bag 20 as shown in the figure, the one side 2a on which the adhesive layer 4 is formed and adhered to the object is made of a non-breathable material. In addition, it is preferable that the other surface 2b is made of a breathable material. Then, by putting these two sheet materials 2a and 2b together and heat-sealing their peripheral edges, one side is breathable and the other side is non-breathable, and the adhesive layer 4 is formed. A heat generating bag 2 is constructed, and when this heat generating bag 2 is attached to an object, air (
Oxygen) is introduced and the internal exothermic composition 1 generates heat. As the sheet material constituting the heat generating bag 2, for example, various plastic films such as polyethylene film, polypropylene film, polyester film, nonwoven fabrics, etc. are used alone or in a laminated manner, and in particular, the adhesive material layer 4 is formed. In the non-breathable sheet 2a, it is preferable to use a material in which a nonwoven fabric is laminated on the outer surface of the plastic film to provide good adhesion to the adhesive layer 4. In addition, as the breathable sheet material 2b on the other side, a sheet material such as the one described above with ventilation holes perforated is used. There is a laminated sheet made of plastic films with fine holes perforated. Furthermore, as the breathable sheet material 2b, as described in Japanese Patent Publication No. 1-30169, a sheet having fine continuous pores and a desired portion of the sheet may be appropriately heat-sealed to adjust its breathability. Can be done. Note that both sides of the heat generating bag 2 can be made of a breathable material, or the adhesive layer 4 can be formed on both sides. When the adhesive layer 4 is formed on both sides of the heat generating bag 2 as described above, the ventilation of the heat generating bag 2 can be improved by forming the adhesive layer 4 on both sides of the heat generating bag 2 in an appropriate pattern at a predetermined interval on the entire surface or in a pattern only at a predetermined position. The quality of the information shall be ensured.
次に前記包装袋３は、非通気性のフイルム、シート等の
包装材にて構成され、周端部をヒートシール等して内部
に前記発熱袋２を密封包装してなるものであり、好まし
くはその内面が前記発熱袋２の外面よりも剥離性の大な
る材料を用いることにより、包装袋３から発熱袋２を取
り出すときに、その間に介在させた粘着材層４が包装袋
３内面に残ったりすることを防止できる．前記のような
非通気性フイルムとしては、例えばポリビニルアルコー
ル、ポリエチレンテレフタレート等のポリエステル樹脂
、エチレン・ビニルアルコール共重合樹脂、セロハン、
ポリ塩化ビニリデンをコートしたセロハン、ナイロン、
ポリ塩化ビニル樹脂、塩化ビニリデンをコートしたポリ
プロピレン等のポリオレフィン等を単独で、又は積層し
たものであり、更にこの包装袋３に印刷を施すときには
各積層フイルム間に印刷層を形成したりする．そして前
記発熱袋２外面と包装袋３内面との間に介在させてなる
粘着材層４には、耐熱性を有する感圧性粘着剤や両面テ
ープ等が用いられる．前記粘着材層４を構成する粘着剤
としては、熱安定性に優れ、発熱により粘着力が低下し
たり、又は人体や下着等の対象物に貼りつけた後、剥離
する際に対象物に転着して汚染したりすることのない非
転着性粘着剤を用いることが好ましい。このような非転
着性粘着剤としては、例えば実公昭５６−３４７３５号
に記載されたような、ゴム系、アクリル系、酢酸ビニル
系等の有機溶剤型、又は水性型の粘着剤等があるが、発
熱袋２と包装袋３の材質を考慮して適宜選択すればよい
．
上記のような本発明に係る発熱材は、発熱組成物１を収
納してなる発熱袋２とこれを密封包装してなる包装袋３
との間に粘着材層４を介在させてなるから、前記包装袋
３を開封して発熱袋２を取り出してこれを直接、人体や
下着等の対象物に前記粘着層４を介して接着することに
より、特別な装着用具を用いることなく、しかも装着時
のズレを防止して使用できる．又、この使用にあたって
は、粘着材層４には剥離シートを設けていないから、包
装袋３を開封するだけで粘着材層４が発熱袋２の外面に
残り、剥離シートを剥がす面倒な手間を省くことができ
る。Next, the packaging bag 3 is preferably made of a non-breathable packaging material such as a film or sheet, and the heat-generating bag 2 is sealed inside by heat-sealing the peripheral edge. By using a material whose inner surface is more removable than the outer surface of the heat generating bag 2, when the heat generating bag 2 is taken out from the packaging bag 3, the adhesive layer 4 interposed therebetween is attached to the inner surface of the packaging bag 3. This will prevent any residue from remaining. Examples of the above-mentioned non-breathable film include polyvinyl alcohol, polyester resins such as polyethylene terephthalate, ethylene/vinyl alcohol copolymer resins, cellophane,
Cellophane, nylon coated with polyvinylidene chloride,
Polyolefins such as polyvinyl chloride resin and polypropylene coated with vinylidene chloride are used singly or in layers, and when printing is applied to the packaging bag 3, a printing layer is formed between each laminated film. The adhesive layer 4 interposed between the outer surface of the heat-generating bag 2 and the inner surface of the packaging bag 3 is made of a heat-resistant pressure-sensitive adhesive, double-sided tape, or the like. The adhesive constituting the adhesive layer 4 has excellent thermal stability, and its adhesive strength does not decrease due to heat generation, or transfers to the object when peeled off after being attached to the object such as a human body or underwear. It is preferable to use a non-transferable adhesive that does not cause staining due to adhesion. Examples of such non-stick adhesives include organic solvent-based adhesives such as rubber-based, acrylic-based, and vinyl acetate-based adhesives, or water-based adhesives as described in Utility Model Publication No. 56-34735. However, the material may be selected appropriately by considering the materials of the heat-generating bag 2 and the packaging bag 3. The heat-generating material according to the present invention as described above includes a heat-generating bag 2 containing a heat-generating composition 1 and a packaging bag 3 formed by sealing the same.
Since the adhesive layer 4 is interposed between the packaging bag 3, the heat-generating bag 2 is taken out, and it is directly adhered to an object such as a human body or underwear via the adhesive layer 4. This allows the device to be used without the need for any special fitting equipment, while also preventing slippage during installation. Furthermore, in this use, since the adhesive layer 4 is not provided with a release sheet, the adhesive layer 4 remains on the outer surface of the heat generating bag 2 just by opening the packaging bag 3, eliminating the troublesome effort of peeling off the release sheet. It can be omitted.
次ぎに第２図〜第５図に示すものは本発明に係る発熱材
の製造方法の工程説明図である。Next, FIGS. 2 to 5 are process explanatory diagrams of a method for manufacturing a heat generating material according to the present invention.
先ず、第２図、第３図に示したものは、酸素の存在下で
発熱する発熱組成物ｌを少なくともその一部が酸素透過
性を有する偏平状の袋内に収納して発熱袋２とし、該発
熱袋２の少なくとも片面２ａに粘着材層４を形成し、こ
れを非通気性を有する包装袋３にて密封包装して前記発
熱袋２と包装袋３との間に粘着材層４を介在させること
により発熱材を製造するものである．
第２図のものは、先ず連続的に供給される非通気性を有
するシート材２ａと通気性を有するシート材２ｂを合わ
せてその中にホッパーｐから供給される金属粉、塩化物
、水、保水材等の発熱組成物１を収納して両シート材２
ａ，２ｂの周端部をヒートシールｈ等して発熱袋２を構
成し、各発熱袋２・・・間をカン｝ｃする。次に、この
発熱袋２の非通気性シート材２ａ側に非転着性粘着剤等
の粘着剤４゜を塗布する．前記粘着材４”の塗布に先立
ち、発熱組成物１を収納した発熱袋２を押圧ロールｒ等
にて押圧して内部の空気を排出するとともに、内部に収
容した発熱組成物ｌの偏在をなくして発熱袋２を平坦に
し、粘着材４゛の塗布を容易にすることが好ましい．こ
のとき発熱袋２の両面２ａ、２ｂをともに通気性を有す
るシート材にて構成すれば前記発熱袋２内からの空気の
排出がより容易となる。そして、前記粘着剤４“の塗布
は通常の塗工機による方法でよく、例えばグラビア印刷
、スクリーン印刷又はスプレ一方式等が適宜採用されう
る。又、前記粘着剤４′の代わりに発熱袋２の非通気性
を有する片面２ａに両面テープを貼着して粘着材層４を
形成してもよい。First, in the case shown in FIGS. 2 and 3, a heat-generating composition 1 that generates heat in the presence of oxygen is housed in a flat bag, at least a part of which is permeable to oxygen, to form a heat-generating bag 2. , an adhesive layer 4 is formed on at least one side 2a of the heat-generating bag 2, and this is sealed and packaged with a non-breathable packaging bag 3, so that an adhesive layer 4 is formed between the heat-generating bag 2 and the packaging bag 3. The heat generating material is produced by interposing the In the case shown in FIG. 2, metal powder, chloride, water, etc., which are fed from a hopper p, are first combined with a non-air permeable sheet material 2a and an air permeable sheet material 2b, which are continuously fed. A heat generating composition 1 such as a water retaining material is stored in both sheet materials 2.
The heat-generating bag 2 is constructed by heat-sealing the circumferential ends of the heat-generating bags 2a and 2b, and the heat-generating bags 2 are interposed between each other. Next, 4° of an adhesive such as a non-transferable adhesive is applied to the non-air permeable sheet material 2a side of the heat generating bag 2. Prior to applying the adhesive material 4'', the heat-generating bag 2 containing the heat-generating composition 1 is pressed with a press roll r or the like to exhaust the air inside and eliminate uneven distribution of the heat-generating composition l housed inside. It is preferable to flatten the heat-generating bag 2 to make it easier to apply the adhesive material 4. At this time, if both sides 2a and 2b of the heat-generating bag 2 are made of breathable sheet material, the inside of the heat-generating bag 2 can be flattened. The adhesive 4'' can be applied by a method using a normal coating machine, such as gravure printing, screen printing, or a spray method, as appropriate. Further, instead of the adhesive 4', the adhesive layer 4 may be formed by attaching double-sided tape to one side 2a of the heat-generating bag 2, which is non-air permeable.
そして、前記の如く片面２ａに粘着材層４を形成してな
る発熱袋２０両側から非通気性を有するフイルム、例え
ばポリプロピレンフイルムにポリ塩化ビニリデンをコー
トした透明フイルム（セシネＫＯＰ：ダイセル化学工業
■商品名）の外面にエチレン・酢酸ビニル共重合樹脂（
ＥＶＡ）フイルムを積層してなる非通気性フイルム３ａ
、３ｂを連続供給して両フイルム３ａ、３ｂにて発ｉ袋
２を包装する。この非通気性フイルム３ａ，３ｂによる
包装は両フイルム３ａ、３ｂ間に前記発熱袋２を挟んで
両フイルム３ａ、３ｂの周端部をヒートシールｈ等して
この包装袋３内部に発熱袋２を密封状態に包装し、各発
熱材間でカットＣする．次ぎに第３図に示したものは、
発熱袋２を構成する一方のフイルム２ａに予め粘着剤又
は両面テープにて粘着材層４を形成しておき、両フイル
ム２ａ、２ｂにて発熱袋２を構成して内部に発熱組成物
１を収納してなるものである．この場合においては、粘
着材層４を形成した側のフイルム２ａの粘着材層４上に
通宜離型シ一ト５を設けておき、包装袋３にて包装する
以前の適当な工程で該離型シ一ト５を剥離するようにす
ればよい．この場合には、粘着材層４はフイルムの段階
で形成されるから、発熱袋２の空気抜きは粘着材層４形
成には必ずしも必要でないが、発熱袋２内の発熱組成物
１の偏在防止や使用前の酸化防止のためには空気抜きを
するほうが好ましい．そして、この場合においても、フ
イルム２ａ，２ｂの両方を通気性フイルムにて構成する
ことができる。 次ぎに第４図に示したものは、内部に
発熱組成物１を収納してなる発熱袋２を包装袋３にて包
装するに際して、該包装袋３を構成するフイルム３ａ又
は３ｂの少なくとも一方に、その内面に粘着剤４“を塗
布して粘着材Ｉｉｉ４を形成し、このフイルム３ａ、３
ｂにて発熱袋２を包装するとともに、この包装袋３の外
面から押圧ロールｒ等にて圧力を加えることにより前記
粘着材層４を発熱袋２外面と包装袋３の内面との間で、
且つ両方の袋２、３に接着した状態に介在させてなるも
のである．そしてこのとき、包装袋３内面の剥離性が発
熱袋２の外面の剥離性よりも大であるようにすることに
より、包装袋３を開封した際に粘着材層４が該包装袋３
内面に残ったりすることなく発熱袋２外面に粘着材層４
が形成された状態で取り出し可能となる．この場合には
、粘着材層４は当初においては包装袋３を構成する少な
くとも一方のフイルム３ａに塗布等にて形成され、これ
が押圧ロールｒの圧力により発熱袋２側へも接着され、
使用時には発熱袋２外面に粘着材屓４が形成された状態
となるものであり、粘着材ｉｉｉ４はフイルム上に形成
されることで前記の発熱袋２外面へ直接塗布等する場合
に較べてその形成が容易となる。Then, from both sides of the heat-generating bag 20, which has the adhesive layer 4 formed on one side 2a as described above, a transparent film such as a polypropylene film coated with polyvinylidene chloride (Secine KOP: Daicel Chemical Industries ■ product) is used. The outer surface of the ethylene/vinyl acetate copolymer resin (
Non-breathable film 3a made by laminating EVA) films
, 3b are continuously supplied, and the developed i-bag 2 is wrapped with both films 3a and 3b. Packaging using the non-breathable films 3a and 3b involves sandwiching the heat generating bag 2 between both films 3a and 3b, heat sealing the peripheral ends of both films 3a and 3b, etc., and placing the heat generating bag 2 inside the packaging bag 3. Pack it in a sealed state and cut C between each heat generating material. Next, what is shown in Figure 3 is
An adhesive layer 4 is formed in advance using an adhesive or double-sided tape on one of the films 2a constituting the heat-generating bag 2, and the heat-generating bag 2 is formed by both films 2a and 2b, and the heat-generating composition 1 is placed inside. It is something that can be stored. In this case, a release sheet 5 is usually provided on the adhesive layer 4 of the film 2a on the side on which the adhesive layer 4 is formed, and the release sheet 5 is applied in an appropriate step before packaging with the packaging bag 3. All you have to do is peel off the release sheet 5. In this case, since the adhesive layer 4 is formed at the film stage, venting the air from the heat generating bag 2 is not necessarily necessary for forming the adhesive layer 4, but it is necessary to prevent uneven distribution of the heat generating composition 1 in the heat generating bag 2. It is preferable to vent air to prevent oxidation before use. Also in this case, both the films 2a and 2b can be made of breathable films. Next, in the case shown in FIG. 4, when the heat generating bag 2 containing the heat generating composition 1 is packaged in the packaging bag 3, at least one of the films 3a or 3b constituting the packaging bag 3 is , an adhesive 4'' is applied to the inner surface thereof to form an adhesive material Iiii4, and the films 3a, 3
The heat-generating bag 2 is packaged in step b, and pressure is applied from the outer surface of the packaging bag 3 with a pressure roll r, etc., so that the adhesive layer 4 is placed between the outer surface of the heat-generating bag 2 and the inner surface of the packaging bag 3.
Moreover, it is interposed in a state in which both bags 2 and 3 are glued together. At this time, by making the releasability of the inner surface of the packaging bag 3 greater than the releasability of the outer surface of the heat-generating bag 2, when the packaging bag 3 is opened, the adhesive layer 4 is removed from the packaging bag 3.
Heat-generating bag 2 with adhesive layer 4 on the outside without leaving any residue on the inside
It is possible to take it out when it is formed. In this case, the adhesive layer 4 is initially formed by coating on at least one film 3a constituting the packaging bag 3, and is also adhered to the heat generating bag 2 side by the pressure of the press roll r.
When in use, an adhesive layer 4 is formed on the outer surface of the heat-generating bag 2, and since the adhesive material iii4 is formed on a film, the adhesive material 3 is more durable than when directly applied to the outer surface of the heat-generating bag 2. Formation becomes easier.
更に、第５図に示したものは、発熱袋２を包装する包装
袋３の少なくとも一方のフイルム３ａとして、予め該フ
イルム３ａに粘着材層４を形成してなるものを用いてな
るものである。この場合には当初包装袋３を構成するフ
イルム３ａ側に形成された粘着材層４は該フイルム３ａ
及び３ｂにて発熱袋２を包装したときに包装袋３の外面
から押圧０−ルｒ等にて押圧することにより粘着材層４
を発熱袋２に接着することで、使用時に包装袋３を開封
すれば粘着材層４が発熱袋２外面に形成された状態で取
り出され、粘着材付発熱材として使用に供せられるので
ある。この場合においても、前記粘着材層４を形成して
なるフィルム３ａの粘着材層４上に適宜剥離シ一ト５が
設けられ、発熱袋２を包装するに際して該剥離シ一ト５
は除去される。Further, in the case shown in FIG. 5, at least one film 3a of the packaging bag 3 for packaging the heat-generating bag 2 is formed by forming an adhesive layer 4 on the film 3a in advance. . In this case, the adhesive layer 4 originally formed on the side of the film 3a constituting the packaging bag 3 is
When the heat-generating bag 2 is packaged in 3b and 3b, the adhesive material layer 4 is
By adhering it to the heat-generating bag 2, when the packaging bag 3 is opened during use, the adhesive layer 4 formed on the outer surface of the heat-generating bag 2 can be taken out and used as a heat-generating material with adhesive. . In this case as well, a release sheet 5 is appropriately provided on the adhesive layer 4 of the film 3a on which the adhesive layer 4 is formed, and the release sheet 5 is provided when the heat generating bag 2 is packaged.
is removed.
尚、第５図及び第６図に示した粘着材層４を当初、包装
袋３側に形成する方法においては、包装袋３の外から押
圧ロールｒ等にて圧力を加えることにより、粘着材層４
を発熱袋２側へ強固に接着してなるものであるが、包装
袋３内面の離型性が発熱袋２外面の離型性より十分に大
きい場合には、この押圧ロールｒ等による押圧は必ずし
も必要ではない。In addition, in the method of initially forming the adhesive material layer 4 on the packaging bag 3 side shown in FIGS. layer 4
is firmly adhered to the side of the heat-generating bag 2, but if the releasability of the inner surface of the packaging bag 3 is sufficiently greater than the releasability of the outer surface of the heat-generating bag 2, the pressing by this press roll r etc. Not necessarily necessary.
本発明に係る発熱材の製造方法は上記のとおりであるが
、上記した各種方法において、包装袋３と発熱袋２との
間に介在させてなる粘着材層４は、当初においては発熱
袋２と包装袋３の何れに形成されてもよく、後者の場合
には当初においては包装袋３を構成するフィルムに形成
された粘着材層４は使用時においては発熱袋２側に形成
された状態で使用可能であり、この場合には発熱組成物
１を収納した発熱袋２外面に粘着材層４を形成する場合
に較べて粘着材層４の形成が極めて容易である。又、前
記粘着材層４としては、粘着剤４′を塗布するか、又は
両面テープを用いることもできる。又、この粘着材層４
は発熱袋２０片面に、又は両面に設けることができ、且
つ該発熱袋２の全面に設けてもよいし、又、上記した如
く発熱袋２からの空気抜き作業の都合により、該粘着材
層４を形成する側も通気性シート材で構成する等、発熱
袋２の材質と、粘着材層４の形成形態とは各種態様に組
み合わせて実施可能である．
以上の如く、本発明に係る発熱材は、外面に粘着材層４
を形成してなる発熱袋２をそのまま包装袋３内に密封包
装してなるから、これを包装袋３から取り出すに際して
は、粘着材層４が包装袋な３の内面に接着して発熱袋２
の取り出しに支障を来すことが予想される．この対策と
して、一つは前記包装袋３の内面の剥離性をより大とし
て粘着材層４が包装袋３内面に残らず、且つ包装袋３か
らの発熱袋２の取り出しを容易とすることが可能となる
．又、従来の使い捨てカイロ等の場合には、包装袋の一
端縁沿いの１箇所に開封用の切り込みを設けるのが普通
であるが、これを例えば第６図（イ）の如く包装袋３に
おける直交する２端縁３゛、３”にそれぞれ切り込み６
、６を設けておいて包装袋３をＬ字形に開封して発熱袋
２を取り出し易いようにしたり、又は、第６図（口）の
如く包装袋３の一端縁３”の略中央部に切り込み６を設
けて包装袋３を中央から左右に大きく開封可能として発
熱袋２の取り出しを容易にする等、包装袋３の開封に工
夫を加えることも効果的である，尚、図中ｔは粘着剤４
゜の塗布用ロールである．（発明の効果〕
以上の如く、本発明に係る発熱材は、発熱袋２の使用時
には該発熱袋の外面に粘着材層を形成されるから、特殊
な装着用具やポケット等を用いることなく人体や下着等
のあらゆる形状の対象物にそのまま装着することができ
、しかもこの発熱袋を包装袋から取り出して使用するに
は、更には該包装袋を開封するだけでそのまま直に対象
物に接着して使用でき、従来のように剥離シートを剥が
す面倒な手間が省ける。The method for manufacturing the heat generating material according to the present invention is as described above. In the various methods described above, the adhesive layer 4 interposed between the packaging bag 3 and the heat generating bag 2 is initially attached to the heat generating bag 2. or the packaging bag 3; in the latter case, the adhesive layer 4 initially formed on the film constituting the packaging bag 3 is formed on the heat-generating bag 2 side during use. In this case, it is much easier to form the adhesive layer 4 than in the case where the adhesive layer 4 is formed on the outer surface of the heat generating bag 2 containing the heat generating composition 1. Further, as the adhesive layer 4, an adhesive 4' may be applied or a double-sided tape may be used. Moreover, this adhesive layer 4
can be provided on one side or both sides of the heat-generating bag 20, and may be provided on the entire surface of the heat-generating bag 2. Also, as described above, due to the convenience of air removal from the heat-generating bag 2, the adhesive layer 4 The material of the heat-generating bag 2 and the form of the adhesive layer 4 can be combined in various ways, such as the side forming the bag being made of a breathable sheet material. As described above, the heat generating material according to the present invention has an adhesive layer 4 on the outer surface.
Since the heat-generating bag 2 formed by forming the heat-generating bag 2 is sealed and packaged as it is in the packaging bag 3, when it is taken out from the packaging bag 3, the adhesive layer 4 adheres to the inner surface of the packaging bag 3 and the heat-generating bag 2 is sealed.
It is expected that this will cause problems in the removal of the One way to counter this is to increase the releasability of the inner surface of the packaging bag 3 so that the adhesive layer 4 does not remain on the inner surface of the packaging bag 3 and to facilitate the removal of the heat-generating bag 2 from the packaging bag 3. It becomes possible. In addition, in the case of conventional disposable body warmers, etc., it is common to provide a notch for opening at one location along one edge of the packaging bag, but this is done, for example, in the packaging bag 3 as shown in Figure 6 (a). Make 6 cuts on each of the two orthogonal edges 3" and 3".
, 6 to make it easier to take out the heat-generating bag 2 by opening the packaging bag 3 in an L-shape, or at the approximate center of one edge 3'' of the packaging bag 3 as shown in Figure 6 (opening). It is also effective to add some ingenuity to the opening of the packaging bag 3, such as providing a notch 6 that allows the packaging bag 3 to be opened widely from the center to the left and right, making it easier to take out the heat-generating bag 2. Note that t in the figure is Adhesive 4
This is a coating roll for ゜. (Effects of the Invention) As described above, the heat generating material according to the present invention has an adhesive layer formed on the outer surface of the heat generating bag 2 when the heat generating bag 2 is used. It can be attached directly to objects of any shape, such as clothes or underwear, and in order to use it after removing it from the packaging, all you have to do is open the packaging and attach it directly to the object. This eliminates the troublesome effort of peeling off the release sheet as in the past.
又、前記のような粘着材付発熱材を製造するに際しては
、通常の発熱材の製造工程において発熱袋を包装袋にて
包装する前段階で発熱袋の外面に粘着剤を塗布し、又は
両面テープを貼着するだけで、製造工程が殊更複雑にな
ることなく製造可能である。更に、予め粘着材層を形成
してなるシート材等で発熱組成物を包装して発熱袋を構
成すれば、発熱組成物を収納した後の発熱袋に粘着材層
を構成するのに較べてその作業はより容易である．更に
、前記粘着材層を形成するにあたって、この粘着材層を
包装袋の内面に形成し、この包装袋にて内部に発熱袋を
密封包装し、これを該包装袋の外面から圧力を加えて粘
着材層を発熱袋へ接着させるようにすれば、粘着材層の
形成は更に容易となり、特に粘着剤を塗布して粘着剤層
を形成する場合には、内部に発熱組成物を収納した状態
の発熱袋外面に粘着剤を塗布する場合に較べて作業が格
段に容易となる。In addition, when manufacturing a heat-generating material with an adhesive as described above, an adhesive is applied to the outer surface of the heat-generating bag before it is wrapped in a packaging bag in the normal manufacturing process of the heat-generating material, or adhesive is applied to both sides of the heat-generating bag. It can be manufactured simply by pasting the tape without complicating the manufacturing process. Furthermore, if a heat-generating bag is constructed by packaging a heat-generating composition with a sheet material or the like on which an adhesive layer is formed in advance, it is easier to construct a heat-generating bag than by forming an adhesive layer in a heat-generating bag after storing the heat-generating composition. The task is easier. Furthermore, in forming the adhesive layer, the adhesive layer is formed on the inner surface of a packaging bag, a heat-generating bag is sealed inside the packaging bag, and pressure is applied from the outside of the packaging bag. If the adhesive layer is adhered to the heat-generating bag, the formation of the adhesive layer becomes easier.Especially when forming the adhesive layer by applying an adhesive, the heat-generating composition is stored inside the bag. The work is much easier than applying an adhesive to the outer surface of the heat-generating bag.
第１図は発明に係る発熱材の縦断面図、第２図〜第５図
は本発明に係る発熱材の製造方法の工程説明図、第６図
は包装袋の実施例平面図である．ｌ二発熱組成物、２：
発熱袋、３：包装袋、４：粘着材層、５：剥離シート、
６：切り込み。
第６図
（イ）
第
１
図FIG. 1 is a longitudinal sectional view of the heat generating material according to the invention, FIGS. 2 to 5 are process explanatory diagrams of the method for manufacturing the heat generating material according to the present invention, and FIG. 6 is a plan view of an embodiment of the packaging bag. l2 exothermic composition, 2:
Heat generating bag, 3: Packaging bag, 4: Adhesive layer, 5: Release sheet,
6: Notch. Figure 6 (a) Figure 1
Claims (1)
少なくともその一部が酸素透過性を有する偏平状の発熱
袋を非通気性の包装袋内に密封包装してなる発熱材にお
いて、前記発熱袋の外面と包装袋の内面との間に、その
一部又は全面に粘着材層を介在させてなることを特徴と
する発熱材。 ２）包装袋内面の剥離性が発熱袋外面の剥離性より大で
ある特許請求の範囲第１項記載の発熱材。 ３）粘着材層が耐熱性を有する感圧性粘着剤で構成され
た特許請求の範囲第１項又は第２項記載の発熱材。 ４）粘着剤が非転着性粘着剤である特許請求の範囲第３
項記載の発熱材。 ５）粘着材層が両面テープで構成された特許請求の範囲
第１項又は第２項記載の発熱材。 ６）酸素の存在下で発熱する発熱組成物を少なくともそ
の一部が酸素透過性を有する偏平状の袋内に収納して発
熱袋とし、該発熱袋の少なくとも片面に粘着材層を形成
し、これを非通気性を有する包装袋にて密封包装して前
記発熱袋と包装袋との間に粘着材層を介在させてなるこ
とを特徴とする発熱材の製造方法。 ７）酸素の存在下で発熱する発熱組成物を少なくともそ
の一部が酸素透過性を有する偏平状の袋内に収納して発
熱袋とし、この発熱袋を非通気性を有し内面に粘着材層
を形成してなる包装袋にて包装し、包装袋外面から圧力
を加えて発熱袋と包装袋との間に粘着材層を介在させて
なることを特徴とする発熱材の製造方法。 ８）包装袋内面の剥離性が発熱袋外面の剥離性よりも大
である特許請求の範囲第６項又は第７項記載の発熱材の
製造方法。 ９）粘着材層を構成する粘着材が非転着性粘着剤である
特許請求の範囲第６項〜第８項記載の発熱材の製造方法
。 １０）粘着材層を構成する粘着剤が両面テープである特
許請求の範囲第６項〜第８項記載の発熱材の製造方法。[Claims] 1) A flat heat-generating bag containing a heat-generating composition that generates heat in the presence of oxygen and having at least a portion thereof permeable to oxygen is hermetically packaged in a non-breathable packaging bag. A heat generating material comprising: an adhesive layer interposed between a part or the entire surface of the outer surface of the heat generating bag and the inner surface of the packaging bag. 2) The heat generating material according to claim 1, wherein the releasability of the inner surface of the packaging bag is greater than the releasability of the outer surface of the heat generating bag. 3) The heat generating material according to claim 1 or 2, wherein the adhesive layer is made of a heat-resistant pressure-sensitive adhesive. 4) Claim 3 in which the adhesive is a non-transferable adhesive
Heat-generating material as described in section. 5) The heat generating material according to claim 1 or 2, wherein the adhesive layer is made of double-sided tape. 6) A heat-generating bag is obtained by storing a heat-generating composition that generates heat in the presence of oxygen in a flat bag, at least a portion of which is permeable to oxygen, and forming an adhesive layer on at least one side of the heat-generating bag; 1. A method for producing a heat generating material, which comprises sealingly packaging the heat generating material in a non-breathable packaging bag, and interposing an adhesive layer between the heat generating bag and the packaging bag. 7) A heat-generating bag is made by storing a heat-generating composition that generates heat in the presence of oxygen in a flat bag, at least a portion of which is permeable to oxygen, and the heat-generating bag is made of a non-breathable bag with an adhesive material on the inner surface. A method for producing a heat-generating material, which comprises packaging the heat-generating material in a packaging bag formed with layers, applying pressure from the outside of the packaging bag, and interposing an adhesive layer between the heat-generating bag and the packaging bag. 8) The method for producing a heat generating material according to claim 6 or 7, wherein the releasability of the inner surface of the packaging bag is greater than the releasability of the outer surface of the heat generating bag. 9) The method for producing a heat generating material according to claims 6 to 8, wherein the adhesive material constituting the adhesive layer is a non-transferable adhesive. 10) The method for producing a heat generating material according to claims 6 to 8, wherein the adhesive constituting the adhesive layer is a double-sided tape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1436690A JPH03218748A (en) | 1990-01-24 | 1990-01-24 | Exothermic material and its production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1436690A JPH03218748A (en) | 1990-01-24 | 1990-01-24 | Exothermic material and its production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03218748A true JPH03218748A (en) | 1991-09-26 |
Family
ID=11859057
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1436690A Pending JPH03218748A (en) | 1990-01-24 | 1990-01-24 | Exothermic material and its production |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03218748A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014063145A1 (en) * | 2012-10-19 | 2014-04-24 | Rechargeable Battery Corporation | Electrolyte formulations for oxygen activated portable heater |
-
1990
- 1990-01-24 JP JP1436690A patent/JPH03218748A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014063145A1 (en) * | 2012-10-19 | 2014-04-24 | Rechargeable Battery Corporation | Electrolyte formulations for oxygen activated portable heater |
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