JP2014031178A - 内容物付着防止蓋材 - Google Patents
内容物付着防止蓋材 Download PDFInfo
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- JP2014031178A JP2014031178A JP2012171372A JP2012171372A JP2014031178A JP 2014031178 A JP2014031178 A JP 2014031178A JP 2012171372 A JP2012171372 A JP 2012171372A JP 2012171372 A JP2012171372 A JP 2012171372A JP 2014031178 A JP2014031178 A JP 2014031178A
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Abstract
【解決手段】基材層1に積層された熱封緘層5の外面に、湿式シリカ粒子であって、かつ、粘度100cst以上のシリコーン、特にジメチルポリシロキサンを処理剤に用いて疎水化処理された疎水性湿式シリカ粒子を用いて付着防止層6を形成する。
【選択図】図1
Description
前記付着防止層が、粘度100cst以上のシリコーンを用いて疎水化処理された疎水性湿式シリカ粒子からなることを特徴とする内容物付着防止蓋材。
(蓋材本体の作製)
基材フィルム(2)として厚さ12μmのポリエチレンテレフタレートフィルムを用い、その片面に厚さ30μmのアルミニウム箔(3)をポリウレタン系ドライラミネート接着剤により貼合わせ、基材層(1)とした。
(付着防止層の形成)
湿式法によって製造された親水性の湿式シリカ粒子として、平均粒径2.7μmのシリカ粒子(商品名「サイロホービック200」)を用いた。
(評価試験)
そして、各試料について下記の評価試験を行った。
(1)付着防止性能
各試料の蓋材の裏面、即ち付着防止層の外面上に、アロエヨーグルト(森永乳業株式会社製 商標「森永アロエヨーグルト」)を約0.5ccの液滴として滴下し、試料をゆっくりと傾けたときに上記液滴が「転がりはじめたときの傾斜角度」を測定して、次の基準で評価判定した。
○・・・16度以上30度以下
△・・・31度以上45度以下
×・・・46度以上
(2)密着性
各試料の蓋材の付着防止層の面に、黒い布を巻き付けた重り(500g)を垂直に載せ、ゆっくりと長さ200mm擦り、布に付着したシリカ量を目視で検査した。
○・・・許容範囲と認められる僅かな付着あり
△・・・多少の付着あり
×・・・明らかに多くの付着あり
上記(1)の付着防止性能評価試験の結果を表1に、上記(2)の密着性評価試験の結果を表2に示す。
2・・・基材フィルム層
3・・・金属箔層
4・・・中間樹脂層
5・・・熱封緘層
6・・・付着防止層
Claims (5)
- 少なくとも基材層と熱封緘層とを有し、該熱封緘層の外面に付着防止層が設けられたヒートシール蓋材において、
前記付着防止層が、粘度100cst以上のシリコーンを用いて疎水化処理された疎水性湿式シリカ粒子からなることを特徴とする内容物付着防止蓋材。 - 疎水化処理剤に用いる前記シリコーンの粘度が2000cst以下である請求項1に記載の内容物付着防止蓋材。
- 疎水化処理剤に用いる前記シリコーンが、ジメチルポリシロキサンである請求項1または2に記載の内容物付着防止蓋材。
- 前記付着防止層における疎水性湿式シリカ粒子の塗布量が、乾燥後重量で0.1〜1.0g/m2である請求項1〜3のいずれか1項に記載の内容物付着防止蓋材。
- 疎水性湿式シリカ粒子の平均粒径が0.5〜7.0μmである請求項1〜4のいずれか1項に記載の内容物付着防止蓋材。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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JP2012171372A JP6072459B2 (ja) | 2012-08-01 | 2012-08-01 | 内容物付着防止蓋材 |
KR1020130090179A KR102077864B1 (ko) | 2012-08-01 | 2013-07-30 | 내용물 부착 방지 덮개재 |
CN201310332056.2A CN103569491B (zh) | 2012-08-01 | 2013-08-01 | 防止内容物附着的盖件 |
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JP2012171372A JP6072459B2 (ja) | 2012-08-01 | 2012-08-01 | 内容物付着防止蓋材 |
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JP2014031178A true JP2014031178A (ja) | 2014-02-20 |
JP6072459B2 JP6072459B2 (ja) | 2017-02-01 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2016204051A (ja) * | 2015-04-22 | 2016-12-08 | 東京インキ株式会社 | 非付着性蓋材および密閉容器 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003146647A (ja) * | 2001-08-04 | 2003-05-21 | Degussa Ag | 疎水性沈降シリカ、その製造方法およびその使用 |
JP2003156878A (ja) * | 2001-11-21 | 2003-05-30 | Canon Inc | トナーおよび画像形成方法 |
JP2010189059A (ja) * | 2009-07-16 | 2010-09-02 | Toyo Aluminium Kk | 包装材料 |
JP4668352B1 (ja) * | 2010-07-07 | 2011-04-13 | 昭和電工パッケージング株式会社 | 内容物付着防止蓋材およびその製造方法 |
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Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003146647A (ja) * | 2001-08-04 | 2003-05-21 | Degussa Ag | 疎水性沈降シリカ、その製造方法およびその使用 |
JP2003156878A (ja) * | 2001-11-21 | 2003-05-30 | Canon Inc | トナーおよび画像形成方法 |
JP2010189059A (ja) * | 2009-07-16 | 2010-09-02 | Toyo Aluminium Kk | 包装材料 |
JP4668352B1 (ja) * | 2010-07-07 | 2011-04-13 | 昭和電工パッケージング株式会社 | 内容物付着防止蓋材およびその製造方法 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2016204051A (ja) * | 2015-04-22 | 2016-12-08 | 東京インキ株式会社 | 非付着性蓋材および密閉容器 |
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