JP2017007713A - 使い捨てカイロ外袋用多層フィルム及び使い捨てカイロ - Google Patents
使い捨てカイロ外袋用多層フィルム及び使い捨てカイロ Download PDFInfo
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- JP2017007713A JP2017007713A JP2015125934A JP2015125934A JP2017007713A JP 2017007713 A JP2017007713 A JP 2017007713A JP 2015125934 A JP2015125934 A JP 2015125934A JP 2015125934 A JP2015125934 A JP 2015125934A JP 2017007713 A JP2017007713 A JP 2017007713A
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- JP
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- Prior art keywords
- layer
- disposable
- outer bag
- polyvinylidene chloride
- multilayer film
- Prior art date
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Abstract
【解決手段】第1のバリア層10及び第2のバリア層20を含む多層フィルムから形成される使い捨てカイロ外袋において、第1のバリア層10及び第2のバリア層20は、耐熱性樹脂基材11又は耐熱性樹脂基材21の少なくとも一方の面(図1中上側)にポリ塩化ビニリデンをコーティングしてなるポリ塩化ビニリデン層12又はポリ塩化ビニリデン層22からなる。
【選択図】図1
Description
外袋が外部から激しい衝撃を受けることがあるため、衝撃を受けても外袋が開封、破裂しないよう、非通気性フィルムからなる外袋には各層間のシール強度、耐衝撃性が求められる。
外袋が日光等の紫外線に曝されることがあるため、非通気性フィルムからなる外袋には、日光等の紫外線に曝された後でも変色等の外観の変化を起こさないような耐候性が求められる。
図1に示す、耐熱性樹脂基材11、21(二軸延伸ポリプロピレンフィルム11、21)、及び前記耐熱性樹脂基材11、21の少なくとも一方の面にポリ塩化ビニリデンをコーティングしてなるポリ塩化ビニリデン層12、22からなる第1及び第2のバリア層10、20を含む使い捨てカイロ外装用多層フィルムを以下のように製造した。
第1のバリア層10として、ポリ塩化ビニリデン層12を有する二軸延伸ポリプロピレンフィルム11(二軸延伸ポリプロピレンフィルム11の厚み30μm、ポリ塩化ビニリデン層12の厚み1μm、酸素透過度:9.7cc/(m2・day・atm)、水蒸気透過度:4.4g/(m2・day))の代わりにポリ塩化ビニリデン層12を有する二軸延伸ポリエチレンテレフタレートフィルム11(二軸延伸ポリエチレンテレフタレートフィルム11の厚み12μm、ポリ塩化ビニリデン層12の厚み1μm、酸素透過度:8.1cc/(m2・day・atm)、水蒸気透過度:10g/(m2・day))を用いた以外は、実施例1と同様にして、下層側からみて、未延伸ポリプロピレンフィルム30/接着剤層40/二軸延伸ポリエチレンテレフタレートフィルム11/ポリ塩化ビニリデン層12/接着剤層40/印刷インキ層50/ポリ塩化ビニリデン層22/二軸延伸ポリプロピレンフィルム21からなる使い捨てカイロ外袋用多層フィルムを製造した。
第1のバリア層10として、ポリ塩化ビニリデン層12を有する二軸延伸ポリプロピレンフィルム11(二軸延伸ポリプロピレンフィルム11の厚み30μm、ポリ塩化ビニリデン層12の厚み1μm、酸素透過度:9.7cc/(m2・day・atm)、水蒸気透過度:4.4g/(m2・day))の代わりにポリ塩化ビニリデン層12を有する二軸延伸ポリアミドフィルム11(二軸延伸ポリアミドフィルム11の厚み25μm、ポリ塩化ビニリデン層12の厚み1μm、酸素透過度:6.7cc/(m2・day・atm)、水蒸気透過度:9.7g/(m2・day))を用いた以外は、実施例1と同様にして、下層側からみて、未延伸ポリプロピレンフィルム30/接着剤層40/二軸延伸ポリアミドフィルム11/ポリ塩化ビニリデン層12/接着剤層40/印刷インキ層50/ポリ塩化ビニリデン層22/二軸延伸ポリプロピレンフィルム21からなる使い捨てカイロ外袋用多層フィルムを製造した。
第1及び第2のバリア層10、20として、ポリ塩化ビニリデン層12、22を有する二軸延伸ポリプロピレンフィルム11、21(二軸延伸ポリプロピレンフィルム11、21の厚み30μm、ポリ塩化ビニリデン層12、22の厚み1μm、酸素透過度:9.7cc/(m2・day・atm)、水蒸気透過度:4.4g/(m2・day))の代わりにポリ塩化ビニリデン層12、22を有する二軸延伸ポリエチレンテレフタレートフィルム11、21(二軸延伸ポリエチレンテレフタレートフィルム11、21の厚み12μm、ポリ塩化ビニリデン層12、22の厚み1μm、酸素透過度:8.1cc/(m2・day・atm)、水蒸気透過度:10g/(m2・day))を用いた以外は、実施例1と同様にして、下層側からみて、未延伸ポリプロピレンフィルム30/接着剤層40/二軸延伸ポリエチレンテレフタレートフィルム11/ポリ塩化ビニリデン層12/接着剤層40/印刷インキ層50/ポリ塩化ビニリデン層22/二軸延伸ポリエチレンテレフタレートフィルム21からなる使い捨てカイロ外袋用多層フィルムを製造した。
第1及び第2のバリア層10、20として、ポリ塩化ビニリデン層12、22を有する二軸延伸ポリプロピレンフィルム11、21(二軸延伸ポリプロピレンフィルム11、21の厚み30μm、ポリ塩化ビニリデン層12、22の厚み1μm、酸素透過度:9.7cc/(m2・day・atm)、水蒸気透過度:4.4g/(m2・day))の代わりにポリ塩化ビニリデン層12、22を有する二軸延伸ポリアミドフィルム11、21(二軸延伸ポリアミドフィルム11、21の厚み25μm、ポリ塩化ビニリデン層12、22の厚み1μm、酸素透過度:6.7cc/(m2・day・atm)、水蒸気透過度:9.7g/(m2・day))を用いた以外は、実施例1と同様にして、下層側からみて、未延伸ポリプロピレンフィルム30/接着剤層40/二軸延伸ポリアミドフィルム11/ポリ塩化ビニリデン層12/接着剤層40/印刷インキ層50/ポリ塩化ビニリデン層22/二軸延伸ポリアミドフィルム21からなる使い捨てカイロ外袋用多層フィルムを製造した。
第2のバリア層20として、ポリ塩化ビニリデン層22を有する二軸延伸ポリプロピレンフィルム21(二軸延伸ポリプロピレンフィルム21の厚み30μm、ポリ塩化ビニリデン層22の厚み1μm、酸素透過度:9.7cc/(m2・day・atm)、水蒸気透過度:4.4g/(m2・day))の代わりにポリ塩化ビニリデン層22を有する二軸延伸ポリアミドフィルム21(二軸延伸ポリアミドフィルム21の厚み25μm、ポリ塩化ビニリデン層22の厚み1μm、酸素透過度:6.7cc/(m2・day・atm)、水蒸気透過度:9.7g/(m2・day))を用い、第1のバリア層10として、ポリ塩化ビニリデン層12を有する二軸延伸ポリプロピレンフィルム11(二軸延伸ポリプロピレンフィルム11の厚み30μm、ポリ塩化ビニリデン層12の厚み1μm、酸素透過度:9.7cc/(m2・day・atm)、水蒸気透過度:4.4g/(m2・day)))の代わりにポリ塩化ビニリデン層12を有する二軸延伸ポリエチレンテレフタレートフィルム11(二軸延伸ポリエチレンテレフタレートフィルム11の厚み12μm、ポリ塩化ビニリデン層12の厚み1μm、酸素透過度:8.1cc/(m2・day・atm)、水蒸気透過度:10g/(m2・day))を用いた以外は、実施例1と同様にして、下層側からみて、未延伸ポリプロピレンフィルム30/接着剤層40/二軸延伸ポリエチレンテレフタレートフィルム11/ポリ塩化ビニリデン層12/接着剤層40/印刷インキ層50/ポリ塩化ビニリデン層22/二軸延伸ポリアミドフィルム21からなる使い捨てカイロ外袋用多層フィルムを製造した。
図3に示す、耐熱性樹脂基材11、21(二軸延伸ポリプロピレンフィルム11、二軸延伸ポリエチレンテレフタレートフィルム21)、及び前記耐熱性樹脂基材11、21の少なくとも一方の面にポリ塩化ビニリデンをコーティングしてなるポリ塩化ビニリデン層12、22からなる第1及び第2のバリア層10、20を含む使い捨てカイロ外装用多層フィルムを以下のように製造した。
第2のバリア層20として、ポリ塩化ビニリデン層22を有する二軸延伸ポリエチレンテレフタレートフィルム21(二軸延伸ポリエチレンテレフタレートフィルム21の厚み12μm、ポリ塩化ビニリデン層22の厚み1μm、酸素透過度:8.1cc/(m2・day・atm)、水蒸気透過度:10g/(m2・day)の代わりに下記表1で示すフィルムを、追加の樹脂層60として、二軸延伸ポリプロピレンフィルム(厚み20μm、酸素透過度:1500cc/(m2・day・atm)、水蒸気透過度:8g/(m2・day))の代わりに下記表1で示すフィルムを用いた以外は、実施例7と同様にして、それぞれ使い捨てカイロ外袋用多層フィルムを製造した。
KOPP#20:ポリ塩化ビニリデン層を有する二軸延伸ポリプロピレンフィルム(二軸延伸ポリプロピレンフィルムの厚み20μm、ポリ塩化ビニリデン層の厚み1μm、酸素透過度:8.1cc/(m2・day・atm)、水蒸気透過度:5g/(m2・day))
KONY#15:ポリ塩化ビニリデン層を有する二軸延伸ポリアミドフィルム(二軸延伸ポリアミドフィルムの厚み15μm、ポリ塩化ビニリデン層の厚み1μm、酸素透過度:8.1cc/(m2・day・atm)、水蒸気透過度:10g/(m2・day))
PET#12:二軸延伸ポリエチレンテレフタレートフィルム(厚み12μm、酸素透過度:80cc/(m2・day・atm)、水蒸気透過度:50g/(m2・day))
ONY#15:二軸延伸ポリアミドフィルム(厚み15μm、酸素透過度:30cc/(m2・day・atm)、水蒸気透過度:250g/(m2・day))
(比較例1)
ポリ塩化ビニリデン層を有する二軸延伸ポリプロピレンフィルム(二軸延伸ポリプロピレンフィルムの厚み30μm、ポリ塩化ビニリデン層の厚み1μm、酸素透過度:9.7cc/(m2・day・atm)、水蒸気透過度:4.4g/(m2・day))のポリ塩化ビニリデン層側に、実施例1と同様にして印刷インキ層及び接着剤層を形成した。この接着剤層の上に、直鎖状低密度ポリエチレンフィルム(厚み30μm、酸素透過度:5000cc/(m2・day・atm)、水蒸気透過度:16.6g/(m2・day))を載置した後、この直鎖状低密度ポリエチレンフィルムの上に、上記と同様に接着剤層を設け、さらにその上にエチレン−酢酸ビニル共重合体フィルム(厚み30μm、酸素透過度:10000cc/(m2・day・atm)、水蒸気透過度:75g/(m2・day))を載置して積層一体化させ、下層側からみて、エチレン−酢酸ビニル共重合体フィルム/接着剤層/直鎖状低密度ポリエチレンフィルム/接着剤層/印刷インキ層/ポリ塩化ビニリデン層/二軸延伸ポリプロピレンフィルムからなる使い捨てカイロ外袋用多層フィルムを製造した。
ポリ塩化ビニリデン層を有する二軸延伸ポリプロピレンフィルム(二軸延伸ポリプロピレンフィルムの厚み30μm、ポリ塩化ビニリデン層の厚み1μm、酸素透過度:9.7cc/(m2・day・atm)、水蒸気透過度:4.4g/(m2・day))の代わりに、その片面に2層のポリ塩化ビニリデン層を有する二軸延伸ポリプロピレンフィルム(二軸延伸ポリプロピレンフィルムの厚み30μm、2つのポリ塩化ビニリデン層の総厚み2μm、酸素透過度:5.5cc/(m2・day・atm)、水蒸気透過度:4.4g/(m2・day))を用いた以外は、比較例1と同様にして、下層側からみて、エチレン−酢酸ビニル共重合体フィルム/接着剤層/直鎖状低密度ポリエチレンフィルム/接着剤層/印刷インキ層/ポリ塩化ビニリデン層/ポリ塩化ビニリデン層/二軸延伸ポリプロピレンフィルムからなる使い捨てカイロ外袋用多層フィルムを製造した。なお、2層のポリ塩化ビニリデン層は、基材である二軸延伸ポリプロピレンフィルムに1層目のポリ塩化ビニリデンをコーティングして乾燥させた後、さらにその上に2層目のポリ塩化ビニリデンをコーティングして乾燥させることにより製造した。
ポリ塩化ビニリデン層を有する二軸延伸ポリプロピレンフィルム(二軸延伸ポリプロピレンフィルムの厚み30μm、ポリ塩化ビニリデン層の厚み1μm、酸素透過度:9.7cc/(m2・day・atm)、水蒸気透過度:4.4g/(m2・day))の代わりに、肉厚のポリ塩化ビニリデン層を有する二軸延伸ポリプロピレンフィルム(二軸延伸ポリプロピレンフィルムの厚み30μm、ポリ塩化ビニリデン層の厚み2μm、酸素透過度:5.5cc/(m2・day・atm)、水蒸気透過度:4.5g/(m2・day))を用いた以外は、比較例1と同様にして、下層側からみて、エチレン−酢酸ビニル共重合体フィルム/接着剤層/直鎖状低密度ポリエチレンフィルム/接着剤層/印刷インキ層/肉厚のポリ塩化ビニリデン層/二軸延伸ポリプロピレンフィルムからなる使い捨てカイロ外袋用多層フィルムを製造した。
二軸延伸ポリプロピレンフィルム(厚み20μm、酸素透過度:1500cc/(m2・day・atm)、水蒸気透過度:8g/(m2・day))の片面に、実施例1と同様にして印刷インキ層及び接着剤層を形成した。この接着剤層の上に、アルミニウムの蒸着層を有する二軸延伸ポリエチレンテレフタレートフィルム(厚み12μm、蒸着層の厚み 約600オングストローム以下、酸素透過度:1.5cc/(m2・day・atm)、水蒸気透過度1.7g/(m2・day))を、接着剤層とアルミニウムの蒸着層とが接触するようにして載置し積層一体化させた。さらに、アルミニウムの蒸着層を有する二軸延伸ポリエチレンテレフタレートフィルムのアルミニウムの蒸着層とは反対側に、接着剤層を形成した後にその上に直鎖状低密度ポリエチレンフィルム(厚み30μm、酸素透過度:5000cc/(m2・day・atm)、水蒸気透過度:16.6g/(m2・day))を載置し積層一体化させ、下層側からみて、直鎖状低密度ポリエチレンフィルム/接着剤層/二軸延伸ポリエチレンテレフタレートフィルム/アルミニウムの蒸着層/接着剤層/印刷インキ層/二軸延伸ポリプロピレンフィルムからなる使い捨てカイロ外袋用多層フィルムを製造した。
ポリ塩化ビニリデン層を有する二軸延伸ポリプロピレンフィルム(二軸延伸ポリプロピレンフィルムの厚み20μm、ポリ塩化ビニリデン層の厚み1μm、酸素透過度:8.1cc/(m2・day・atm)、水蒸気透過度:5g/(m2・day))のポリ塩化ビニリデン層側に、通常のグラビアインキ組成物を使用し、グラビア印刷方式により、文字、図形、記号、絵柄、その他を印刷して印刷インキ層を形成した。次に、上記で形成した印刷インキ層の上に、エーテル系接着剤を塗布し乾燥させて接着剤層を形成した。この接着剤層の上に、アルミニウムの蒸着層を有する未延伸ポリプロピレンフィルム(厚み25μm、蒸着層の厚み 約600オングストローム以下、酸素透過度:10cc/(m2・day・atm)、水蒸気透過度:0.5g/(m2・day))をアルミニウム蒸着層と接着剤層とが接触するように載置して積層一体化させ、下層側からみて、未延伸ポリプロピレンフィルム/アルミニウムの蒸着層/接着剤層/印刷インキ層/ポリ塩化ビニリデン層/二軸延伸ポリプロピレンフィルムからなる使い捨てカイロ外袋用多層フィルムを製造した。
実施例1〜6、比較例1〜4、及び参考例で製造した使い捨てカイロ外袋用多層フィルムを用いて、以下のとおり、(1)酸素透過度、(2)水蒸気透過度、(3)加速試験後の外観の評価、(4)加速試験後の発熱性能(持続時間)の評価、(5)シール強度、(6)耐衝撃性の評価、(7)耐候性の評価を行った。
以下の温度及び湿度の条件において、以下の測定機械を以下の測定条件で用いて酸素透過度(cc/(m2・day・atm))を測定した。
測定機械:モコン(mocon)社製 OX-TRAN 2/20、測定方法:30分おき 20回連続測定
(2)水蒸気透過度の測定
以下の温度及び湿度の条件において、以下の測定機械を以下の測定条件で用いて、水蒸気透過度(g/(m2・day))を測定した。
測定機械:モコン(mocon)社製 OX-TRAN 2/20、測定方法:30分おき 20回連続測定
(3)加速試験後の外観の評価
実施例1〜6、比較例1〜4、及び参考例の使い捨てカイロ外袋用多層フィルムをそれぞれ2枚用意し、シーラント層の熱融着性基材(実施例1〜6、参考例:未延伸ポリプロピレンフィルム、比較例1〜3:エチレン−酢酸ビニル共重合体フィルム、比較例4:直鎖状低密度ポリエチレンフィルム)の面を対向させて重ね合わせた後、その外周縁部を三方ヒートシールしてシール部を形成すると共に、上方に開口部を有する三方ヒートシール型の使い捨てカイロ外袋を製造した。
上記「(3)加速試験後の外観の評価」と同様にして、使い捨てカイロ製品を製造した。
実施例1〜6、比較例1〜4、及び参考例の使い捨てカイロ外袋用多層フィルムをそれぞれ2枚用意し、シーラント層の熱融着性基材(実施例1〜6、参考例:未延伸ポリプロピレンフィルム、比較例1〜3:エチレン−酢酸ビニル共重合体フィルム、比較例4:直鎖状低密度ポリエチレンフィルム)の面を対向させて重ね合わせた後、温度160℃、圧力0.25MPa、時間0.5秒の条件にて、重ね合わせた使い捨てカイロ外袋用多層フィルムの一端側の全長にわたってシール幅10mmのヒートシール部を形成した。このヒートシール部を有する2枚の使い捨てカイロ外袋用多層フィルムの積層体から、幅15mm×長さ50mmの短冊状の試料(幅15mm×長さ10mmのヒートシール部を含む)を3枚ずつ切り出し、引張試験機(TCE社製、製品名AUTOCOM)を用い、引張速度300mm/分、つかみ間隔10mmで剥離強度(N/15mm)を測定して、平均値を算出した。
(6−1)輸送試験
上記「(3)加速試験後の外観の評価」と同様にして、使い捨てカイロ製品を製造した。
上記「(3)加速試験後の外観の評価」と同様にして、使い捨てカイロ製品を製造した。
上記「(3)加速試験後の外観の評価」と同様にして、使い捨てカイロ製品を製造した。
11 耐熱性樹脂基材
12 ポリ塩化ビニリデン層
20 第2のバリア層
21 耐熱性樹脂基材
22 ポリ塩化ビニリデン層
30 シーラント層
40 接着剤層
50 印刷インキ層
60 追加の樹脂層
Claims (8)
- 基材、及び前記基材の少なくとも一方の面にポリ塩化ビニリデンをコーティングしてなるポリ塩化ビニリデン層からなるバリア層を2層以上含むことを特徴とする使い捨てカイロ外袋用多層フィルム。
- 金属又は金属酸化物を蒸着してなる蒸着層を含まないことを特徴とする請求項1に記載の使い捨てカイロ外袋用多層フィルム。
- 前記基材が、二軸延伸ポリプロピレン、二軸延伸ポリエチレンテレフタレート及び二軸延伸ポリアミド樹脂から選択されることを特徴とする請求項1又は2に記載の使い捨てカイロ外袋用多層フィルム。
- 熱融着性樹脂基材を含むシーラント層をさらに含むことを特徴とする請求項1〜3のいずれか1項に記載の使い捨てカイロ外袋用多層フィルム。
- 前記2層以上のバリア層の間に接着剤層をさらに含むことを特徴とする請求項1〜4のいずれか1項に記載の使い捨てカイロ外袋用多層フィルム。
- 追加の樹脂層をさらに含むことを特徴とする請求項1〜5のいずれか1項に記載の使い捨てカイロ外袋用多層フィルム。
- 20℃、90%RHにおいて測定した酸素透過度が1.5〜4.5cc/(m2・day・atm)であり、40℃、90%RHにおいて測定した水蒸気透過度が0.05〜3.5g/(m2・day)であることを特徴とする請求項1〜6のいずれか1項に記載の使い捨てカイロ外袋用多層フィルム。
- 請求項1〜7のいずれか1項に記載の使い捨てカイロ外袋用多層フィルムを熱融着して形成される外袋に、発熱性組成物を収納した内袋を密封包装してなる使い捨てカイロ。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
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JP2015125934A JP2017007713A (ja) | 2015-06-23 | 2015-06-23 | 使い捨てカイロ外袋用多層フィルム及び使い捨てカイロ |
US15/738,833 US10695215B2 (en) | 2015-06-23 | 2016-06-23 | Multilayer film for disposable body warmer outer bag, and disposable body warmer |
CN201680036664.0A CN107848678B (zh) | 2015-06-23 | 2016-06-23 | 一次性暖贴外袋用多层膜和一次性暖贴 |
PCT/JP2016/068594 WO2016208650A1 (ja) | 2015-06-23 | 2016-06-23 | 使い捨てカイロ外袋用多層フィルム及び使い捨てカイロ |
EP16814419.4A EP3315426A4 (en) | 2015-06-23 | 2016-06-23 | Multi-layer film for outer packaging of disposable heating pad, and disposable heating pad |
TW105119838A TWI708681B (zh) | 2015-06-23 | 2016-06-23 | 拋棄式發熱包外袋用多層膜及拋棄式發熱包 |
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JP2015125934A JP2017007713A (ja) | 2015-06-23 | 2015-06-23 | 使い捨てカイロ外袋用多層フィルム及び使い捨てカイロ |
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JP2017007713A true JP2017007713A (ja) | 2017-01-12 |
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JP2015125934A Pending JP2017007713A (ja) | 2015-06-23 | 2015-06-23 | 使い捨てカイロ外袋用多層フィルム及び使い捨てカイロ |
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US (1) | US10695215B2 (ja) |
EP (1) | EP3315426A4 (ja) |
JP (1) | JP2017007713A (ja) |
CN (1) | CN107848678B (ja) |
TW (1) | TWI708681B (ja) |
WO (1) | WO2016208650A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2018103402A (ja) * | 2016-12-22 | 2018-07-05 | ダイセルバリューコーティング株式会社 | 食品包装用多層フィルム |
WO2022210193A1 (ja) * | 2021-04-02 | 2022-10-06 | 小林製薬株式会社 | 化学カイロ用外袋用フィルム |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
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US20200060870A1 (en) * | 2017-05-12 | 2020-02-27 | University Of Massachusetts | Apparatus and Methods for Establishing and Maintaining Bodily Temperature Levels |
TW201934830A (zh) * | 2018-02-06 | 2019-09-01 | 智能紡織科技股份有限公司 | 可加熱織物 |
JP2020103490A (ja) * | 2018-12-27 | 2020-07-09 | 桐灰化学株式会社 | 発熱具 |
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- 2015-06-23 JP JP2015125934A patent/JP2017007713A/ja active Pending
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- 2016-06-23 TW TW105119838A patent/TWI708681B/zh not_active IP Right Cessation
- 2016-06-23 EP EP16814419.4A patent/EP3315426A4/en not_active Withdrawn
- 2016-06-23 CN CN201680036664.0A patent/CN107848678B/zh active Active
- 2016-06-23 US US15/738,833 patent/US10695215B2/en active Active
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WO2022210193A1 (ja) * | 2021-04-02 | 2022-10-06 | 小林製薬株式会社 | 化学カイロ用外袋用フィルム |
Also Published As
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TW201704026A (zh) | 2017-02-01 |
EP3315426A1 (en) | 2018-05-02 |
WO2016208650A1 (ja) | 2016-12-29 |
US10695215B2 (en) | 2020-06-30 |
TWI708681B (zh) | 2020-11-01 |
CN107848678A (zh) | 2018-03-27 |
US20180168856A1 (en) | 2018-06-21 |
CN107848678B (zh) | 2020-07-03 |
EP3315426A4 (en) | 2018-11-21 |
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