JP4384176B2 - 静電気拡散性光学構造物 - Google Patents
静電気拡散性光学構造物 Download PDFInfo
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- B32B27/00—Layered products comprising a layer of synthetic resin
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- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
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- B32B7/023—Optical properties
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- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
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- B32B7/025—Electric or magnetic properties
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- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/20—Properties of the layers or laminate having particular electrical or magnetic properties, e.g. piezoelectric
- B32B2307/21—Anti-static
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Description
表面抵抗率
試料の表面抵抗率は、製造元の指示に従って共にペンシルベニア州、グレンサイドのETS(ETS,Glenside,PA)によって販売されているモデル872広範囲抵抗計およびモデル803B同心リング抵抗/抵抗率プローブを用いて測定された。
表面静電荷の減衰時間は、製造元の指示に従ってETSモデル406Cを用いて測定された。ここに記載する結果は、5000ボルト〜500ボルトの初期表面電荷を拡散させる(すなわち、元の値の10%まで減少する)ために必要とされる時間を示し、「静電気減衰時間」として記録した。
同様な表面抵抗率または静電気減衰時間を有する試料が粒状物質の存在下で異なって反応するかどうかを確認するために、使用志向の粒子吸着試験を考案した。
40/60のコアー/シェル比を有するコアー−シェルラテックス組成物を、米国特許第5,500,457号明細書、実施例1Aに記載された方法によって調製した。コアーモノマープレミックス重量比は、IBOA/MMA/EA/HEMA=10/10/75/5であった。シェルモノマープレミックス重量比は、IBOA/MMA/EA/HEMA=35/40/20/5であった。調製において用いられた全ての他の成分および条件は記載した通りである。得られたコアー−シェルラテックスは、34重量%の不揮発分含有量を生じた。
静電気拡散性フィルムを調製するために、導電性ポリマー層を非導電性基材上にコーティングし、導電性ポリマー層を非導電性保護被膜でオーバーコートした。導電性ポリマー混合物を調製するために、16グラムのベイトロンP分散体(「BP」)を84グラムの水に撹拌しながら添加し、次いで0.5グラムのNMPを添加した。導電性ポリマー混合物を、0.005インチ(0.125mm)のコロナプライマー処理された透明PET基材上にワイヤー捲回ロッドによって0.00027インチ(0.0068mm)の湿潤厚にコーティングした。引き続いて、コーティングされた基材を1分間、100Cにおいて強制空気炉内で乾燥させた。米国特許第5,908,847号明細書(実施例1)において記載された紫外線硬化可能なアクリル樹脂を55Cに昇温し、フィルムのBPコーティングされた表面の上に流し込んだ。微細構造表面を有する用具を、液体アクリル樹脂コート上に配置した。このように形成された「サンドイッチ」を、約5〜25ミクロンの最終微細構造アクリル層の厚さを提供するように調節されたナイフコータを通して引っ張った。次に、このサンドイッチを、サンドイッチから約6インチ(150mm)の距離において100パーセントの出力で2つの300ワットフュージョン(Fusion)「D」電球を用いてレスコ(Lesco)C2020紫外線処理装置(カリフォルニア州、トランス(Torrance,CA))でPET基材側を通して硬化させた。サンドイッチを15フィート/分のライン速度において処理装置に2回通過させ、アクリル樹脂の完全な硬化を確実にした。微細構造用具をサンドイッチから剥離し、微細構造表面を有する静電気拡散性フィルムを提供した。このフィルムのアクリル表面とPET表面との両方が、少なくとも1×1013オーム/スクエアの表面抵抗率を有し、0.01秒の静電気減衰時間を有した。
静電気拡散性フィルムを実施例1によって作製したが、ただし、以下のように調製された導電性ポリマー混合物を使用した。2.5グラムのBP分散体を、混合しながら90.3グラムの脱イオン水に添加した。この混合物に、連続的に撹拌しながら6.2グラムのMAB、0.5グラムのNMP、およびトリトンX−100の10%水溶液0.5グラムを添加した。このフィルムのアクリル表面とPET表面との両方が、少なくとも1×1013オーム/sq.の表面抵抗率を有し、0.01秒の静電気減衰時間を有した。
静電気拡散性フィルムを実施例2のように作製したが、ただし、NMPはMAB混合物に添加されなかった。このフィルムのアクリル表面とPET表面との両方が、少なくとも1×1013オーム/sq.の表面抵抗率を有し、0.01秒の静電気減衰時間を有した。
静電気拡散性フィルムを実施例3のように作製したが、ただし、2.5グラムのCPUD−2分散体をベイトロンP分散体の代わりに添加した。このフィルムのアクリル表面とPET表面との両方が、少なくとも1×1013オーム/sq.の表面抵抗率を有し、0.01秒の静電気減衰時間を有した。
導電性ポリマー混合物を調製するために、265グラムのMAB溶液、212.5グラムのベイトロンP、85グラムのNMP、85グラムの10%トリトンX−100水溶液、および16352グラムの水を混ぜ合わせた。ワイヤー捲回ロッドを用いて、この混合物を、空気中で前もってコロナ処理された0.005インチ(0.125mm)のDBEF−M反射偏光子フィルム上にコーティングし、0.001インチ(0.025mm)の湿潤厚さを生じた。次に、試料を約1分間、170F(75C)の強制空気炉内で乾燥させた。このコーティングされたフィルム中間物については、MAB/BPコーティングされた面の表面抵抗率は1×107オーム/sq.であったが、コーティングされないポリエステル面の表面抵抗率は1×1013オーム/sq.より大きかった。このフィルムのどちらの面の静電気減衰時間も0.01秒であった。本発明の実施態様としての静電気拡散性フィルムを作製するために、コーティングされたフィルム中間物の各面を、光学接着剤の0.001インチ(0.025mm)層を用いて0.005インチ(0.125mm)の透明ポリカーボネートフィルム(ペンシルベニア州、ピッツバーグのベイヤーUS(Bayer US;Pittsburgh,PA)から入手可能)に積層した。各PC面の表面抵抗率は少なくとも1×1013オーム/sq.であったが、フィルムの両面が0.01秒の静電気減衰時間を有した。粒子吸着試験の間、この構造物は、バーミキュライト床の上に配置された時に粒状物質を引きつけなかった。
実施例5の場合と同様なコーティングされたフィルム中間物を作製した。MAB/BP表面の上に0.00125インチ(0.03mm)綜研1885転写接着剤(日本、東京の綜研化学株式会社(Soken Chemical and Engineering Co,Tokyo,Japan))を積層した。次に、1/8インチ(3.2mm)ポリ(メチルメタクリレート)(商品名「プレキシグラス(Plexiglass)」として一般に入手可能)のシートを接着剤表面に積層した。結果は、実施例5の場合と実質的に同様であることが観察された。
静電気拡散性フィルムを実施例5のように作製したが、ただし、コーティングされたフィルム中間物のMAB/BP面に積層されたPCフィルムは0.010インチ(0.25mm)透明ベイヤー(Bayer)PCであったが、コーティングされたフィルム中間物のポリエステル面に積層されたPCフィルムは、マサチューセッツ州、ピッツフィールドのGEプラスチックス(GE Plastics,Pittsfield,MA)から入手可能な0.008インチ(0.2mm)の透明PCフィルムであった。各PC面の表面抵抗率は少なくとも1×1013オーム/sq.であったが、フィルムの両面が0.01秒の静電気減衰時間を有した。粒子吸着試験の間、この構造物は、バーミキュライト床の上に配置された時に粒状物質を引きつけなかった。
静電気拡散性フィルムを実施例5のように作製したが、ただし、基材は、一体艶消し表面を有するDBEF(ミネソタ州、セントポールの3Mによって商品名ヴィクイティ(登録商標)として販売)であり、外側層は、ポリカーボネートの代わりにポリオレフィンであった。このように、MAB/BP混合物を基材の艶消し表面の上にコーティングし、実施例5に記載されたように乾燥させた。約0.00125インチ(0.03mm)の綜研1885転写接着剤(日本、東京の綜研化学株式会社)をMAB/BP表面の上に積層した。次に、0.0019インチ(0.027mm)の厚さを有するポリオレフィンフィルムを接着剤に積層した。静電気拡散性フィルムの表面抵抗率は、ポリオレフィンまたはDBEF面の各々で少なくとも1×1013オーム/sq.であったが、フィルムの両面が0.01秒の静電気減衰時間を有した。
導電性ポリマー混合物を調製するために、0.8グラムのD1012W分散体を0.5グラムの10%トリトンX−100を含有する水17グラムと混合した。この混合物を0.005インチ(0.125mm)のコロナ処理されたPETフィルム上にワイヤー捲回ロッドを用いてコーティングし、0.001インチ(0.025mm)の湿潤フィルムを製造した。コーティングされたフィルムを100Cにおいて約2分間、乾燥させた。乾燥された導電性ポリマーコーティングの表面抵抗率は5.2×109オーム/sq.であった。次に、静電気拡散性フィルムを製造するために、片面に感圧接着剤の0.003インチ(0.075mm)のコーティングを各々有するポリエステルフィルムの2つの0.005インチ(0.125mm)層の間に導電性ポリマーフィルムを積層した。静電気減衰時間は0.02秒であった。この静電気拡散性フィルムのどちらの面の表面抵抗率も1×1012オーム/sq.より大きかった。
5%水溶液として供給されたカタログ番号48,255−2としてアルドリッチ・ケミカル・カンパニー(Aldrich Chemical Company)から得られた占有されている有機酸をドープされた導電性ポリマーとして記載されたポリピロール溶液を用いて、導電性ポリマーフィルムを作製した。ポリピロール溶液を、さらに改良せずに、0.005インチ(0.125mm)のコロナ処理されたDBEF−Mフィルム上にワイヤー捲回ロッドを用いてコーティングし、0.001インチ(0.025mm)の湿潤フィルムを製造した。コーティングされたフィルムを100Cにおいて約2分間、乾燥させた。乾燥された導電性ポリマーコーティングの表面抵抗率は2.8×107オーム/sq.であった。次に、静電気拡散性フィルムを製造するために、片面に感圧接着剤の0.003インチ(0.075mm)コーティングを各々有するポリエステルフィルムの2つの0.005インチ(0.125mm)層の間に導電性ポリマーフィルムを積層した。静電気減衰時間は0.01秒であった。この静電気拡散性フィルムのどちらの面の表面抵抗率も1×1012オーム/sq.より大きかった。
Claims (3)
- 第1の光学層と、
前記第1の光学層の主面の少なくとも一部の上にある静電気拡散層と、
前記静電気拡散層の上に配置された第2の光学層と、を含む光学構造物であって、前記静電気拡散層が導電性ポリマーを含み、前記第1および第2の光学層が非静電気拡散性であり、前記光学構造物が90%を上回る光透過率および1×1013オーム/sq.より大きい表面抵抗率を示す、光学構造物。 - 前記導電性ポリマーがチオフェンを含む、請求項1に記載の光学構造物。
- 前記静電気拡散層がアクリレート、メラミン、およびウレタンの少なくとも1つを含むバインダーをさらに含む、請求項1または2に記載の光学構造物。
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10/436,377 US7041365B2 (en) | 2003-05-12 | 2003-05-12 | Static dissipative optical construction |
| PCT/US2004/012218 WO2004101277A1 (en) | 2003-05-12 | 2004-04-20 | Static dissipative optical construction |
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| JP2007500630A JP2007500630A (ja) | 2007-01-18 |
| JP2007500630A5 JP2007500630A5 (ja) | 2007-05-31 |
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| US (3) | US7041365B2 (ja) |
| EP (1) | EP1622764B1 (ja) |
| JP (1) | JP4384176B2 (ja) |
| KR (1) | KR101043495B1 (ja) |
| CN (1) | CN1787914B (ja) |
| AT (1) | ATE426505T1 (ja) |
| DE (1) | DE602004020211D1 (ja) |
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| US7041365B2 (en) * | 2003-05-12 | 2006-05-09 | 3M Innovative Properties Company | Static dissipative optical construction |
-
2003
- 2003-05-12 US US10/436,377 patent/US7041365B2/en not_active Expired - Lifetime
-
2004
- 2004-04-20 DE DE200460020211 patent/DE602004020211D1/de not_active Expired - Lifetime
- 2004-04-20 AT AT04760820T patent/ATE426505T1/de not_active IP Right Cessation
- 2004-04-20 JP JP2006532441A patent/JP4384176B2/ja not_active Expired - Fee Related
- 2004-04-20 EP EP04760820A patent/EP1622764B1/en not_active Expired - Lifetime
- 2004-04-20 WO PCT/US2004/012218 patent/WO2004101277A1/en not_active Ceased
- 2004-04-20 CN CN2004800128828A patent/CN1787914B/zh not_active Expired - Lifetime
- 2004-04-20 KR KR1020057021500A patent/KR101043495B1/ko not_active Expired - Fee Related
- 2004-05-03 TW TW93112423A patent/TWI345530B/zh not_active IP Right Cessation
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2006
- 2006-04-10 US US11/279,119 patent/US7794780B2/en active Active
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Also Published As
| Publication number | Publication date |
|---|---|
| US20100300610A1 (en) | 2010-12-02 |
| US7794780B2 (en) | 2010-09-14 |
| EP1622764A1 (en) | 2006-02-08 |
| US8057613B2 (en) | 2011-11-15 |
| DE602004020211D1 (de) | 2009-05-07 |
| US20060164783A1 (en) | 2006-07-27 |
| US7041365B2 (en) | 2006-05-09 |
| EP1622764B1 (en) | 2009-03-25 |
| ATE426505T1 (de) | 2009-04-15 |
| KR101043495B1 (ko) | 2011-06-23 |
| WO2004101277A1 (en) | 2004-11-25 |
| CN1787914B (zh) | 2010-04-28 |
| JP2007500630A (ja) | 2007-01-18 |
| KR20060009012A (ko) | 2006-01-27 |
| TWI345530B (en) | 2011-07-21 |
| US20040229059A1 (en) | 2004-11-18 |
| TW200505676A (en) | 2005-02-16 |
| CN1787914A (zh) | 2006-06-14 |
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