JP5144538B2 - 熱可塑性シリコーンブロックコポリマー類を含むフィルム - Google Patents
熱可塑性シリコーンブロックコポリマー類を含むフィルム Download PDFInfo
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- JP5144538B2 JP5144538B2 JP2008547620A JP2008547620A JP5144538B2 JP 5144538 B2 JP5144538 B2 JP 5144538B2 JP 2008547620 A JP2008547620 A JP 2008547620A JP 2008547620 A JP2008547620 A JP 2008547620A JP 5144538 B2 JP5144538 B2 JP 5144538B2
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- polydiorganosiloxane
- composite film
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Description
本出願は、2005年12月23日に出願された米国仮出願第60/753,857号の利益を主張するものであり、該仮出願は、参照により本明細書に組み込まれる。
「複屈折」とは、直交するx、y、及びz方向における屈折率が、全て同じではないことを意味する。本明細書で記載されるポリマー層においては、軸は、x及びy軸が、層平面内にあり、かつz軸が、層平面に対して直角でありかつ典型的には層の厚み又は高さに相当するように選択される。配向ポリマー層の場合、x軸は、一般に、最大屈折率を持つ面内方向となるように選択され、これが通常は、光学フィルムが配向する(例えば、延伸する)方向の1つに相当する;
「フィルム」とは、1種類以上の材料から成る1種類以上の層を意味し;フィルムは、基材上に配置されてもよく、かつ独立した構造的完全性である必要がなく;例えば、コーティング材はフィルムと見なされる;
「高屈折率」及び「低屈折率」は、相対的な語句であり;2つの層を、関心のある少なくとも1つの方向で比較した場合、より大きな面内屈折率を有する層が高屈折率層であり、より小さな面内屈折率を有する層が低屈折率層である;
「屈折率」とは、特に指示がない限り、材料の平面内における、633nmの光を法線入射させた場合の材料の屈折率を意味する;
「ポリマー」とは、特に指示がない限り、ポリマー類及びコポリマー類(即ち、2種類又はそれ以上のモノマー類又はコモノマー類から形成されたポリマー類であり、例えば、ターポリマー類を包含する)を意味し、同様に例えば、共押出又は反応(例えば、エステル交換を包含する)による混和性ブレンドに形成可能なコポリマー類又はポリマー類を意味する。特に指示がない限り、ブロック、ランダム、グラフト、及び交互ポリマー類が包含される;かつ
「Tg」とは、ポリマーがガラス状態からゴム状態へ遷移する温度を意味し、示差走査熱量計によって測定される。
任意のポリマーのための溶解度パラメータ(δ)を計算することができる。
硬度試験
ショアA硬度は、ゴム特性−ジュロメータ硬度のためのASTM D2240−5標準試験法に従って測定した。本試験方法は、特定のタイプの圧子を特定条件下にて材料中に力を加えて押し込んだ場合に、それが貫入することに基づいている。押し込み硬さは、貫入と逆相関し、かつ材料の弾性率及び粘弾性挙動に依存する。
試験する多層膜(又はキャストウェブ)を25.4mm幅のストリップ試験片に切り出した。前記フィルムストリップ試験片は、同一の幅を持つ両面接着テープ(商標名スコッチ396番、3M社(ミネソタ州、セントポール))を使用して、ガラス基板(約50mm×150mm)へ付着させた。前記接着テープを多層膜ストリップ試験片全体の頂上に直接供し、さらにガラス基板の中央部分に付着させた。また、テープストリップの長さ方向の短い部分が、基材の長さ方向の追加部分に付着しているテープストリップの端において、ぶらぶらと接着させないままにされていて、手で掴めるようになっている。フィルムの剥離(デラミネーション)は、まず、前記テープストリップのこの自由端を急に素早く引っ張るが、フィルムストリップ試験片の先端から6.35mm(1/4インチ)のところに親指をしっかりと乗せ、当該フィルムストリップ試験片を余分に剥離させないようにする。次に、剥離を始めたプラークをスリップ/ピール試験機(インストラメンターズ・インコーポレーテッド(Instrumentors, Inc.)(オハイオ州ストロングスヴィル(Strongsville)))に取り付けた。テープストリップに付着しているフィルムストリップ試験片部分を90度の剥離角、2.54cm/秒、25℃及び50%相対湿度にて、基板から剥離させた。5回の剥離の平均剥離力(グラム/インチ)を記録した。
約10グラム(正確に計量する)の化学式IIを持つ前駆体化合物をジャーに添加した。THF溶媒約50グラム(正確な計量ではない)を添加した。混合物が均質になるまで、電磁攪拌棒を使用して内容物を混合した。前駆体の理論当量を計算し、次にこの当量数の3〜4倍の範囲の量のN−ヘキシルアミン(正確に計量する)を添加した。前記反応混合物を最低4時間撹拌した。ブロモフェノールブルー(10〜20滴)を添加し、内容物が均質になるまで混合した。前記混合物を黄色の終点まで1.0N(又は0.1N)塩酸にて滴定した。前駆体の当量数は、試料に加えたN−ヘキシルアミンの当量数から、滴定中に加えた塩酸の当量数を差し引いたものに等しかった。当量(グラム/当量)は、前駆体の試料重量を前駆体の当量数で割ったものに等しかった。
平均固有粘度(IV)は、キャノン・フェンスケ(Canon-Fenske)粘度計(型式50番P296)を使用して、30℃、0.2グラム/デシリットル濃度のテトラヒドロフラン(THF)溶液中にて、30℃で測定した。本発明の材料の固有粘度は、0.1〜0.4グラム/デシリットルの範囲の濃度とは実質的に無関係であることが判明した。平均固有粘度は、3回以上の測定の平均とした。平均固有粘度を決定するための任意の変法は、具体例に記述されている。
ポリジオルガノシロキサンポリオキサミドブロックコポリマー、シリコーンポリアミドポリマーを次のようにして調製した:5kシリコーンジアミン(米国特許第5,214,119号(参照により組み込まれる)にて記載の通りに調製した分子量=5200、1.0当量、0.0019モルのジアミンを含むポリジメチルシロキサンジアミン)10.00グラムを、ヒートガン及びアスピレータを取り付けた丸底フラスコ内で脱気させた。次に、テトラヒドロフラン(THF)44.8グラムを添加した。次に、トリフルオロエチルオキザラート(分子量=254.09、2.0当量、0.0038モル)0.9773グラムを前記混合物中へ周囲条件下にて滴下させた。蒸留して得たヘキサメチレンジアミン(分子量=116.21、1.0当量、0.0019モル)0.2235グラムを1mlのTHF内に希釈させた。ピペットを用いて、むしろ素早く安定したドリップにて本混合物をフラスコに添加した。周囲条件下にて数分間、前記混合物を攪拌した。次に、反応をサンプリングし、反応が高レベルの重合まで進んだことを確認した。サンプルをキャストし、乾燥させて、透明で強いエラストマーフィルムを作製した。
シュウ酸ジエチル(241.10グラム)を、機械的撹拌機、加熱マントル、窒素導入用チューブ(ストップコック付き)、及び排出管を装備した3リットルの3つ口樹脂フラスコ内に入れた。フラスコを窒素で15分間パージし、5K PDMS ジアミン(約5,000g/モルの平均分子量を持ち、参照により組み込まれる米国特許第5,214,119号に記載の如く調製されたポリジメチルシロキサンジアミン)(2,028.40グラム、分子量=4,918)を、撹拌しながらゆっくりと添加した。室温にて8時間後、反応フラスコに、蒸留アダプタ及び蒸留レシーバを装着し、内容物を攪拌し、減圧下(1トール)にて150℃まで4時間、更なる留出物を集めることができなくなるまで加熱した。前記残留液体を室温まで冷却し、オキサミドエステルで末端処理した生成物2,573グラムを得た。透明で流動性の液体のガスクロマトグラフィー分析は、検出可能濃度のシュウ酸ジエチルが残存していないことを示した。分子量は、1H NMR(分子量=5,477グラム/モル)及び滴定(2,573グラム/モル及び2,578グラム/モルの当量)によって決定した。
20℃の2ガロンステンレス鋼反応槽内へ、5kエチルオキサリルアミドプロピル末端処理ポリジメチルシロキサン(滴定分子量=6174)(以前のサンプルについての説明と同様な方法により調製した)3675.4グラムを加えた。容器を攪拌し(80rpm)、窒素フローによりパージし、15分間真空にした。次に、ケトルを窒素加圧して34473Pa(5psig)とし、25分間、90℃まで加熱した。次に、メタ−キシリレンジアミン(TCIアメリカから入手可能)81.08グラムを前記ケトルに添加し、続いてトルエン80グラムを添加した。次に、ケトルを105℃の温度まで加熱した。105℃にて65分間経過後、ケトルの圧力を5分間かけてゆっくりとベントした。次に、前記ケトルを2666Pa(〜20mmHg)の真空に1時間さらして、エタノール及びトルエンを除去する。次に、ケトルを再度13790Pa(2psig)まで加圧し、次に粘稠な溶融ポリマーをテフロン(登録商標)コーティングしたトレイに排出し、冷却させた。冷却されたシリコーンポリオキサミド生成物である、ポリジオルガノシロキサンポリオキサミドブロックコポリマーを次に微粒ペレットへと粉砕した。この材料のIVは、0.853デシリットル/グラム(THF中)であると決定された。
20℃の10ガロン(37.9リットル)ステンレス鋼反応槽内へ、14kエチルオキサリルアミドプロピル末端処理ポリジメチルシロキサン(滴定分子量=14890)(以前のサンプルについての説明と同様な方法により調製した)18158.4グラムを加えた。容器を攪拌し(75rpm)、窒素フローによりパージし、15分間真空にした。次に、ケトルを80℃まで25分間にわたって加熱した。エチレンジアミン(GFSケミカルズ社製)73.29グラムをケトル内へ真空充填し、続いて、トルエン73.29グラムもまた真空充填した。次に、ケトルを6895Pa(1psig)まで加圧し、かつ120℃の温度まで加熱した。30分後、ケトルを150℃まで加熱した。一旦150℃の温度に到達させ、ケトルを5分間かけてベントした。ケトルを8666Pa(〜65mmHg)の真空に40分間さらして、エタノール及びトルエンを除去する。次に、ケトルを13789Pa(2psig)まで加圧し、次に粘稠な溶融ポリマーをテフロン(登録商標)コーティングしたトレイに排出し、冷却させた。冷却されたシリコーンポリオキサミド生成物である、ポリジオルガノシロキサンポリオキサミドブロックコポリマーを次に微粒ペレットへと粉砕した。この材料のIVは、0.829デシリットル/グラム(THF中)であると決定された。
152.2部のサリチル酸メチル及び101.2部のトリエチルアミンのトルエン溶液(30%)へ、撹拌しながら91.5部のアジピン酸クロリドの40%トルエン溶液を滴加した。トリエチルアミン塩酸塩の沈殿物が即座に生じた。撹拌は、添加の完了後1時間続けた。前記混合物を濾過し、濾液が乾燥するまでロータリーエバポレーター内で蒸発させて、白色結晶性固体を得た。生成物たるアジピン酸のサリチル酸ジメチルをヘキサン中でスラリー化させ、濾過しかつオーブン内で乾燥させることにより分離した。生成物は、TLC及びNMRスペクトルによって単一体であることが確認できた。
Claims (1)
- 光透過材料を含む第1フィルム;及び
前記第1フィルムに近接した第2フィルムを含むコンポジットフィルムであって、前記第2フィルムがポリジオルガノシロキサンポリオキサミドブロックコポリマーを含む、コンポジットフィルム。
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-
2006
- 2006-12-21 US US11/614,357 patent/US8067094B2/en active Active
- 2006-12-21 WO PCT/US2006/049070 patent/WO2007073502A2/en active Application Filing
- 2006-12-21 CN CN2006800488894A patent/CN101346649B/zh not_active Expired - Fee Related
- 2006-12-21 EP EP20060848742 patent/EP1963899B1/en not_active Not-in-force
- 2006-12-21 JP JP2008547620A patent/JP5144538B2/ja not_active Expired - Fee Related
- 2006-12-21 KR KR1020087017888A patent/KR101298355B1/ko active IP Right Grant
- 2006-12-22 TW TW95148621A patent/TWI424922B/zh not_active IP Right Cessation
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Also Published As
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JP2009521346A (ja) | 2009-06-04 |
TWI424922B (zh) | 2014-02-01 |
KR101298355B1 (ko) | 2013-08-20 |
KR20080091151A (ko) | 2008-10-09 |
WO2007073502A3 (en) | 2007-08-16 |
EP1963899B1 (en) | 2013-08-28 |
WO2007073502A2 (en) | 2007-06-28 |
US8067094B2 (en) | 2011-11-29 |
EP1963899A4 (en) | 2011-06-22 |
HK1120311A1 (en) | 2009-03-27 |
EP1963899A2 (en) | 2008-09-03 |
TW200732146A (en) | 2007-09-01 |
CN101346649B (zh) | 2010-09-01 |
CN101346649A (zh) | 2009-01-14 |
US20070177273A1 (en) | 2007-08-02 |
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