JP2011518937A - ポリオレフィンからなる剥離フィルム及びそのフィルムの使用 - Google Patents
ポリオレフィンからなる剥離フィルム及びそのフィルムの使用 Download PDFInfo
- Publication number
- JP2011518937A JP2011518937A JP2011506727A JP2011506727A JP2011518937A JP 2011518937 A JP2011518937 A JP 2011518937A JP 2011506727 A JP2011506727 A JP 2011506727A JP 2011506727 A JP2011506727 A JP 2011506727A JP 2011518937 A JP2011518937 A JP 2011518937A
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- Prior art keywords
- release film
- ethylene polymer
- film
- release
- layer
- 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.)
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Abstract
Description
10%伸び時の力が、3〜30N/cm、好ましくは7〜18N/cm、
50〜800%、好ましくは200〜400%の破断点伸び率、及び/又は
10〜50N/cm、好ましくは15〜35N/cmの範囲内の破断力
測定は、23±1℃及び50±5%の空気相対湿度の試験環境で行う。
++ = 良好
+ = まだ加工可能
− = 加工困難
−− = 高い力を投入した場合にのみ引き裂くことができ、末端はきれいではない
容易(+)
困難(0)又は
不可能(−)
内容:
実施例の説明
実施例の結果の表による一覧
比較例の説明
比較例の結果の表による一覧
インフレーションフィルム装置(Blasfolienanlage)で次の処方構成を有するフィルムを製造する。(そのとき、フィルム中の層構造は1、2、3である。)
層1と同様
・96.5重量部のDehesive 914(Wacker Silicones製のビニルポリジメチルシロキサン)、
・2.5重量部のCrosslinker V24(Wacker Silicones製のメチル水素ポリシロキサン)及び
・1重量部のCatalyst OL(Wacker Silicones製のポリジメチルシロキサン中の触媒)
そして、被膜は引き続いて熱路中で硬化させる。
8kgのアクリル酸
48kgのNTBAM(N−t−ブチルアクリルアミド)
8kgの無水マレイン酸
368kgの2−エチルヘキシルアクリレート
368kgのn−ブチルアクリレート
600kgのアセトン/イソプロパノール(97:3)
400g+400gのVazo 67(登録商標)(DuPont社からの2,2’−アゾ−ビス(2−エチルプロピオン酸ニトリル)
33重量%のIN FUSE D9507及び67重量%のLD 251から、インフレーションフィルム装置(Blasforienanlage)で150μmの厚さのフィルムを製造する。得られたベースフィルムは、その両面をコロナ処理し、そして引き続き23℃で4週間保管する。巻きほどく際のブロッキングを試験する。
96.8重量部のSL 6670(白金触媒を有するビニルポリジメチルシロキサン、GE Silicones)及び、
3.2重量部のSS 4300 C(メチル水素ポリシロキサン、GE Silicones)
からなる混合物の溶液でそれぞれ被覆し、そしてその被膜を引き続き熱路中で硬化させる。
実施例1に従って製造するが、IN FUSE D9507に代わりにHostalen GD9555を使用する。
実施例2に従ってベースフィルムを製造するが、LD 251の代わりにIN FUSE D9507を使用する。
実施例2に従ってベースフィルムを製造するが、LD 251及びIN FUSE D9507に代えてExact 0203(DexPlastomersからのエチレン及びオクテンからなる軟性のLLDPEであり、密度0.902g/cm3、メルトインデックス3g/10分、曲げ弾性率70MPa、微結晶融点95℃)を使用する。
剥離フィルムとして、HuhtamakiのLDPEフィルム(LDPEフィルム 16000 red 100)を使用する。被覆は実施例1と同様に行う。
Claims (13)
- 少なくとも単層のフィルム構造体からなり、その中にベースフィルムが存在し、場合によって、そのベースフィルム上に更なる層があり、その際に該フィルム構造体上に少なくとも片面に剥離層が設けられている剥離フィルムであって、
前記ベースフィルムが、0.86〜0.89g/cm3の密度と、少なくとも105℃の微結晶融点とを有するエチレンポリマーA、及び少なくとも0.90g/cm3の密度を有するエチレンポリマーBを含むことを特徴とする、前記剥離フィルム。 - エチレンポリマーAの割合が、前記ベースフィルム中のポリエチレンポリマーの全量に基づいて20〜80重量%であることを特徴とする、請求項1に記載の剥離フィルム。
- 前記ベースフィルムが、前記エチレンポリマーAとエチレンポリマーBとだけからなり、かつ、そのとき、好ましくは、二つのポリエチレンポリマーAとBの比率が1:4〜4:1であることを特徴とする、請求項1又は2のいずれかに記載の剥離フィルム。
- 前記ベースフィルムがエチレン含有アイオノマーを含むことを特徴とする、請求項1〜3のいずれか一つに記載の剥離フィルム。
- MD(機械方向)における前記剥離フィルムの機械特性が、次の範囲:
・10%伸び時の力が、3〜30N/cm、好ましくは7〜18N/cm、
・50〜800%、好ましくは200〜400%の破断点伸び率、及び/又は
・10〜50N/cm、好ましくは15〜35N/cmの範囲内の破断力
であることを特徴とする、請求項1〜4のいずれか一つに記載の剥離フィルム。 - 前記フィルム構造体の厚さが45〜200μm、好ましくは75〜125μmであることを特徴とする、請求項1〜5のいずれか一つに記載の剥離フィルム。
- 前記剥離フィルムのブロッキングを防ぐ、正確に一つまたは好ましくは両面に二つの共押出された外側層が前記ベース層上に存在することを特徴とする、請求項1〜6のいずれか一つに記載の剥離フィルム。
- 前記エチレンポリマーAの曲げ弾性率が90MPa未満であり、かつ同時に、前記エチレンポリマーBの曲げ弾性率が少なくとも90MPaであり、及び/又は前記エチレンポリマーA及びエチレンポリマーBのメルトインデックスがそれぞれ10g/10分未満であることを特徴とする、請求項1〜7のいずれか一つに記載の剥離フィルム。
- 前記エチレンポリマーAが、コモノマーとしてC3〜C10−オレフィン、特に、1−オクテンを含み、該エチレンポリマーAの密度が0.86〜0.88g/cm3、好ましくは0.86〜0.87g/cm3であり、該エチレンポリマーAのメルトインデックスが2〜10g/10分であり、及び/又は微結晶溶融点が少なくとも115℃であることを特徴とする、請求項1〜8のいずれか一つに記載の剥離フィルム。
- 前記エチレンポリマーBの密度が少なくとも0.92g/cm3、好ましくは0.94g/cm3であることを特徴とする、請求項1〜9のいずれか一つに記載の剥離フィルム。
- 場合によって存在する二つの剥離コーティングの少なくとも一方が、シリコーン、好ましくはビニルポリジメチルシロキサンを含むことを特徴とする、請求項1〜10のいずれか一つに記載の剥離フィルム。
- 請求項1〜11のいずれか一つに記載の剥離フィルムの、片面又は両面接着性接着テープ、接着テープダイカット(Klebebandstanzling)又はラベルの接着層を覆うための使用。
- 前記接着層がアクリレートをベースとすることを特徴とする、請求項12に記載の剥離フィルムの使用。
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DE200810021842 DE102008021842A1 (de) | 2008-04-30 | 2008-04-30 | Polyolefinfolie und Verwendung derselben |
PCT/EP2009/055288 WO2009133182A1 (de) | 2008-04-30 | 2009-04-30 | Trennfolie aus polyolefin und verwendung derselben |
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Also Published As
Publication number | Publication date |
---|---|
DE102008021842A1 (de) | 2009-11-05 |
CN102083928A (zh) | 2011-06-01 |
PL2274391T3 (pl) | 2014-12-31 |
KR20110013435A (ko) | 2011-02-09 |
JP5547177B2 (ja) | 2014-07-09 |
DE112009000782A5 (de) | 2011-03-10 |
EP2274391A1 (de) | 2011-01-19 |
US20110048635A1 (en) | 2011-03-03 |
WO2009133182A1 (de) | 2009-11-05 |
CN102083928B (zh) | 2015-02-18 |
ES2495095T3 (es) | 2014-09-16 |
MX2010011640A (es) | 2010-11-30 |
CA2722330A1 (en) | 2009-11-05 |
EP2274391B1 (de) | 2014-06-11 |
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