JP5484161B2 - 生分解性使い捨てカイロ - Google Patents
生分解性使い捨てカイロ Download PDFInfo
- Publication number
- JP5484161B2 JP5484161B2 JP2010082456A JP2010082456A JP5484161B2 JP 5484161 B2 JP5484161 B2 JP 5484161B2 JP 2010082456 A JP2010082456 A JP 2010082456A JP 2010082456 A JP2010082456 A JP 2010082456A JP 5484161 B2 JP5484161 B2 JP 5484161B2
- Authority
- JP
- Japan
- Prior art keywords
- disposable body
- inner bag
- body warmer
- mass
- exothermic composition
- 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 - Fee Related
Links
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- AXLHVTKGDPVANO-UHFFFAOYSA-N methyl 2-amino-3-[(2-methylpropan-2-yl)oxycarbonylamino]propanoate Chemical compound COC(=O)C(N)CNC(=O)OC(C)(C)C AXLHVTKGDPVANO-UHFFFAOYSA-N 0.000 description 1
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- RYYKJJJTJZKILX-UHFFFAOYSA-M sodium octadecanoate Chemical class [Na+].CCCCCCCCCCCCCCCCCC([O-])=O RYYKJJJTJZKILX-UHFFFAOYSA-M 0.000 description 1
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Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F7/00—Heating or cooling appliances for medical or therapeutic treatment of the human body
- A61F7/08—Warming pads, pans or mats; Hot-water bottles
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F7/00—Heating or cooling appliances for medical or therapeutic treatment of the human body
- A61F7/02—Compresses or poultices for effecting heating or cooling
- A61F7/03—Compresses or poultices for effecting heating or cooling thermophore, i.e. self-heating, e.g. using a chemical reaction
- A61F7/032—Compresses or poultices for effecting heating or cooling thermophore, i.e. self-heating, e.g. using a chemical reaction using oxygen from the air, e.g. pocket-stoves
- A61F7/034—Flameless
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F7/00—Heating or cooling appliances for medical or therapeutic treatment of the human body
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F7/00—Heating or cooling appliances for medical or therapeutic treatment of the human body
- A61F2007/0001—Body part
- A61F2007/0029—Arm or parts thereof
- A61F2007/0036—Hand
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Emergency Medicine (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Thermotherapy And Cooling Therapy Devices (AREA)
Description
項1. 塩化カリウム及び塩化ナトリウムからなる群より選択される少なくとも1種を含む発熱性組成物が、酸化分解剤を含む内袋に収容されていることを特徴とする、生分解性使い捨てカイロ。
項2. 内袋が、通気性樹脂フィルムが織布又は不織布に積層されている積層体である、請求項1に記載の生分解性使い捨てカイロ。
項3. 通気性樹脂フィルムを形成する樹脂がポリオレフィンである、項2に記載の生分解性使い捨てカイロ。
項4. 織布又は不織布を形成する繊維素材が、合成繊維である、項2又は3に記載の生分解性使い捨てカイロ。
項5. 発熱性組成物が、塩化カリウム、鉄粉、保水剤、及び水を含むものである、項1乃至4のいずれかに記載の生分解性使い捨てカイロ。
項6. 酸化分解剤が、カルボン酸金属塩、ヒドロキシカルボン酸、遷移金属化合物、希土類化合物、及び芳香族ケトンよりなる群から選択される少なくとも1種である、項1乃至5のいずれかに記載の生分解性使い捨てカイロ。
項7. 酸化分解剤が、カルボン酸塩及び希土類化合物の組合せである、項1乃至6のいずれかに記載の生分解性使い捨てカイロ。
本発明では、使い捨てカイロの発熱源として、塩化カリウム及び/又は塩化ナトリウムを含む発熱性組成物が使用される。発熱性組成物に含まれる塩化カリウム及び塩化ナトリウムは、後述する酸化分解剤による内袋の分解を特異的に促進させ、本発明の生分解性使い捨てカイロの使用後の生分解特性を向上させる作用を発揮する。更に、塩化カリウム及び塩化ナトリウムは、発熱性組成物中の鉄粉の表面を活性化させて、鉄の酸化反応を促進させる作用も発揮する。特に、塩化カリウムは、酸化分解剤による内袋の分解を特異的に促進させる作用が顕著に高く、本発明において好適に使用される。
本発明では、上記発熱性組成物を収容する内袋として、酸化分解剤を含む内袋が使用される。
本発明の生分解性使い捨てカイロは、上記発熱性組成物を上記内袋の内部に含ませた状態で、内袋の端部を接着して密封することによって調製される。
1.発熱性組成物の調製
平均粒径50μmの鉄粉55質量%、平均粒径200μmの活性炭13質量%、塩化カリウム1質量%、水26質量%、粒径100μmのヒル石3質量%、及び粒径380μmのアクリル酸重合体部分ナトリウム塩架橋物2質量%を混合することにより発熱性組成物を調製した。
ポリエチレン98質量%及び酸化分解剤含有物2質量%を含む樹脂シートを円盤状の工具網の円周上に刃を設けた回転刃を並べたロールに通し、JIS P 8117-1998「紙及び板紙-透気度試験方法-ガーレー試験機法」に従って測定された値が13.5〜14.5秒/100ccとなる程度の細孔が形成された通気性樹脂フィルム(厚み40μm)を調製した。また、別途、ポリプロピレン99.75質量%及び酸化分解剤含有物0.25質量%を含む合成繊維を用いて、スパンボンド法にて不織布(目付け25g/m2)を調製した。
上記で調製した積層体に上記で調製した発熱性組成物を3方シールにて封入した。具体的には、上記で調製した積層体を2枚に折り、その外側から約7mmの部分を130℃で熱圧着して接着させた。また、上下開いている1端を同様に外側から約7mmの部分を130℃で熱圧着して接着させた。次いで、接着されていない1辺の内袋部分から、上記で調製した発熱性組成物20gを入れた後、接着されていない1辺を外側から約7mmの部分で130℃で熱圧着して接着することにより、発熱性組成物を内袋に収容し、使い捨てカイロを調製した。次いで、調製された使い捨てカイロを素早く、ポリ塩化ビニリデンコートフィルムからなる外袋(空気非透過性且つ遮光性)に入れて、外袋を密封した。以下の試験例では、試験開始時に、外袋から使い捨てカイロ取り出して使用した。
塩化カリウム1質量%の代わりに塩化ナトリウム1質量%を使用すること以外は、上記実施例1と同じ条件で、使い捨てカイロを調製した。
実施例1及び2の使い捨てカイロを外袋から取り出し、発熱が終了するまで、室温で24時間放置した。その後、発熱が終了した使い捨てカイロを50℃の恒温槽に入れて、12日間保存した。
平均粒径200μmの活性炭28.9質量%、塩化カリウム2.2質量%、水57.8質量%、粒径100μmのヒル石6.7質量%、及び粒径380μmのアクリル酸重合体部分ナトリウム塩架橋物4.4質量%を混合することにより非発熱性組成物を調製した。得られた非発熱性組成物20gを、上記実施例1で使用した内袋に収容することにより、非発熱性組成物収容製品(参考例1)を調製した。
塩化カリウム2.2質量%の代わりに、リン酸二水素カリウム2.2質量%(参考例3)、硫酸マグネシウム2.2質量%(参考例4)、硫酸マンガン2.2質量%(参考例5)、硫酸カリウム2.2質量%(参考例6)、又は硫酸ナトリウム2.2質量%(参考例7)を使用すること以外は、上記参考例1と同じ条件で、非発熱性組成物収容製品を調製した。
Claims (7)
- 塩化カリウム及び塩化ナトリウムからなる群より選択される少なくとも1種を含む発熱性組成物が、酸化分解剤を含む内袋に収容されていることを特徴とする、生分解性使い捨てカイロ。
- 内袋が、通気性樹脂フィルムが織布又は不織布に積層されている積層体である、請求項1に記載の生分解性使い捨てカイロ。
- 通気性樹脂フィルムを形成する樹脂がポリオレフィンである、請求項2に記載の生分解性使い捨てカイロ。
- 織布又は不織布を形成する繊維素材が、合成繊維である、請求項2又は3に記載の生分解性使い捨てカイロ。
- 発熱性組成物が、塩化カリウム、鉄粉、保水剤、及び水を含むものである、請求項1乃至4のいずれかに記載の生分解性使い捨てカイロ。
- 酸化分解剤が、カルボン酸金属塩、ヒドロキシカルボン酸、遷移金属化合物、希土類化合物、及び芳香族ケトンよりなる群から選択される少なくとも1種である、請求項1乃至5のいずれかに記載の生分解性使い捨てカイロ。
- 酸化分解剤が、カルボン酸塩及び希土類化合物の組合せである、請求項1乃至6のいずれかに記載の生分解性使い捨てカイロ。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
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JP2010082456A JP5484161B2 (ja) | 2010-03-31 | 2010-03-31 | 生分解性使い捨てカイロ |
US13/634,451 US9668913B2 (en) | 2010-03-31 | 2011-03-25 | Biodegradable disposable hand warmer |
GB1216695.5A GB2491752B (en) | 2010-03-31 | 2011-03-25 | Biodegradable disposable body warmer |
CN201180016852.4A CN103096848B (zh) | 2010-03-31 | 2011-03-25 | 生物可降解一次性取暖袋 |
KR1020127028578A KR20130019410A (ko) | 2010-03-31 | 2011-03-25 | 생분해성 일회용 손난로 |
PCT/JP2011/057380 WO2011125547A1 (ja) | 2010-03-31 | 2011-03-25 | 生分解性使い捨てカイロ |
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JP2010082456A JP5484161B2 (ja) | 2010-03-31 | 2010-03-31 | 生分解性使い捨てカイロ |
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JP2011212170A JP2011212170A (ja) | 2011-10-27 |
JP2011212170A5 JP2011212170A5 (ja) | 2012-10-18 |
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JP (1) | JP5484161B2 (ja) |
KR (1) | KR20130019410A (ja) |
CN (1) | CN103096848B (ja) |
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JP5733904B2 (ja) * | 2010-03-31 | 2015-06-10 | 小林製薬株式会社 | 生分解性樹脂成型体の分解促進剤及びその使用 |
JPWO2015015573A1 (ja) * | 2013-07-30 | 2017-03-02 | 桐灰化学株式会社 | 誘引具 |
CN105012068A (zh) * | 2015-06-16 | 2015-11-04 | 刘静 | 热敷碗及制作方法 |
CN111684040B (zh) * | 2018-02-05 | 2022-03-18 | 菲利克株式会社 | 温度控制剂以及使用该温度控制剂的发热组合物和温热材料 |
US11306946B2 (en) | 2019-10-30 | 2022-04-19 | Ignik Outdoors, Inc. | Air-activated device-warming systems and methods |
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GB201216695D0 (en) | 2012-10-31 |
WO2011125547A1 (ja) | 2011-10-13 |
GB2491752B (en) | 2016-10-26 |
CN103096848A (zh) | 2013-05-08 |
GB2491752A (en) | 2012-12-12 |
US9668913B2 (en) | 2017-06-06 |
CN103096848B (zh) | 2017-03-08 |
JP2011212170A (ja) | 2011-10-27 |
KR20130019410A (ko) | 2013-02-26 |
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