JP5485864B2 - 貼り替え可能な微小球粒子接着剤塗布物品 - Google Patents
貼り替え可能な微小球粒子接着剤塗布物品 Download PDFInfo
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Description
「接着性塗布物品」とは基材の少なくとも一部が接着剤により塗布されている物品をさし、
「コート紙」とは印刷品質、色、平滑度、不透明度およびその他の表面物性に関し仕上げを向上させる目的で、表面を粘土または他の顔料と接着剤の混合物、あるいはその他の適当な材料によって処理した紙および厚紙をさし、この用語はまたラッカーやワニスをかけた紙にも用いられる。
1)メタクリル酸ナトリウム、アクリル酸アンモニウム、アクリル酸ナトリウム、(I)トリメチルアミンp−ビニルベンズイミド、(II)4,4,9−トリメチル−4−アゾニア−7−オキソ−8−オキサ−デセ−9−エンー1−スルホネート、(III)N,N−ジメチル−N−(β−メタクリロキシエチル)アンモニウムプロピオネートベタイン、(IV)トリメチルアミンメタクリルイミド、(V)1,1−ジメチル−1(2,3−ジヒドロキシプロピル)アミンメタクリルイミドなどのイオン性コモノマー;すべての両性イオン性モノマーなど;
2)非極性コモノマーとしては4−メチル−2−ペンチルアクリレート、2−メチルブチルアクリレート、イソアミルアクリレート、sec−ブチルアクリレート、n−ブチルアクリレート、イソデシルメタクリレート、t−ブチルアクリレート、t−ブチルメタクリレート、イソボルニルアクリレート、オクチルアクリルアミド、メチルメタクリレート、イソノニルアクリレート、イソデシルアクリレート、スチレンなど、あるいはこれらの組み合わせがあげられるが、これらに限定するわけではない。
3)極性コモノマーは解離性水素を含有していてもしていなくてもよい。適した極性コモノマー類としては3から約12個の炭素原子を含有し、一般に1から約4個のカルボン酸部分を持つ、有機カルボン酸類があげられる。このようなモノマーの非限定例としては、アクリル酸、メタクリル酸、イタコン酸、フマル酸、クロトン酸、マレイン酸、β−カルボキシエチルアクリレートなどがあげられる。適した極性コモノマーとしてはさらにアクリルアミド、メタクリルアミド、2−ヒドロキシエチルアクリレートなどがあげられる。
R1は−H,−CH3,−CH2CH3、シアノあるいはカルボキシメチル基;
R2は炭素数1から約12の炭化水素基;
R3およびR4は独立してHあるいは炭素数1から約12のアルキル基、もしくはアリールアルキル基、または二つが一緒になって環あるいはヘテロ環部分を形成する;
Lは炭素−炭素結合、O、NHまたはSであり;
xは1から3の整数。
R1はH、−CH3、−CH2CH3、シアノまたはカルボキシメチル;
R2は炭素数1から約12の炭化水素基;
R5は−O−、炭素数1から5のアルキレンオキサイド、またはフェノキシオキサイドであり、ここでアルキレンオキサイドには−CH2O−、−CH2CH2O−、−CH2(CH)CH3O−などが含まれる:
R6はH、−C6H4OHまたは−CH3;
Lは炭素−炭素結合、O、NHまたはSであり;
xは整数であるが、ただしR5が−O−のときxは1〜3の整数。
R1はH、・CH3、・CH2CH3、シアノあるいはカルボキシメチルであり;
R3,R4は独立してHあるいは炭素数1から約12のアルキル基、もしくはアリールアルキル基;または二つが一緒になって環あるいはヘテロ環部分を形成する。
溶剤溶性重合体の含量
調製した微小球粒子の溶剤溶性分を定量するために、下記のプロセスを用いる。
引き剥がし粘着力はボンド紙の基材から接着剤塗布シートをある特定の角度と速度で引き剥がす際に要する力である。実施例ではこの力は接着剤塗布シートの幅、一インチ辺りのグラム数(g/2.54cm)で表す。手順は下記の通り:
一インチ(2.54cm)の幅の接着剤塗布シートの細片を9.1kgボンド紙(21.8cmx28.2cm)の水平面に貼り付けた。2.04kgの硬いゴムのローラーを用いてこの細片をボンド紙にしっかりと貼り付けた。貼り付けたシートの自由端を、引き剥がす角度が90度となるように、粘着力テスターロードセルに取り付けた。テスト板を、一分間に30.8cmの定速でロードセルからこの板を引き離すことのできる、荷重引っ張り試験器のかみ合い部の間に挟んで締め付けた。ロードセルの読みとり(被覆シートの一インチあたりのグラム数)を記録した。サンプルは3回試験した。この3回の試験の平均値を報告する。
引き剥がし粘着力はコート紙の基材から被覆シートをある特定の角度と速度で引き剥がす際に要する力である。用いたコート紙はクロムコート紙(商標)として市販されているもので本発明の様々な配合物を比較する際に標準として用いた。実施例で特に記載してある場合を除き、全てコート紙への引き剥がし粘着力の基準はクロムコート紙(商標)である。実施例においてこの力は接着剤塗布シートの幅、一インチ辺りのグラム数(g/2.54cm)で表す。手順は下記の通り:
一インチ(2.54cm)の幅の接着剤塗布シートの細片を9.1kgコート紙(21.8cmx28.2cm)の水平面に貼り付けた。2.04kgの硬いゴムのローラーを用いてこの細片をコート紙にしっかりと貼り付けた。ラミネートを21℃、80%相対湿度の環境で3日老化させた。貼り付けたシートの自由端を、引き剥がす角度が90度となるように、粘着力テスターロードセルに取り付けた。テスト板を、一分間に30.8cmの定速でロードセルからこの板を引き離すことのできる、荷重引っ張り試験器のかみ合い部の間に挟んで締め付けた。ロードセルの読みとり(被覆シートの一インチあたりのグラム数)を記録した。サンプルは3回試験した。この3回の試験の平均値を報告する。
温度計、機械式攪拌機、および窒素導入管を備えた2リットルの3つ首フラスコに602.75gの脱イオン水、17.5gの固形分10%のステパノールAMV(ステパン社から市販されている固形分28%のラウリル硫酸アンモニウム溶液の商品名)、濃縮水酸化アンモニウムによりpH7.0に予め中和しておいた35gの固形分10%のグッドライトK702溶液(B.F.グッドリッチ社から市販されている固形分25%、平均分子量240,000のポリアクリル酸溶液の商品名)および7.00gのアクリルアミドと3.50gのアクリル酸を仕込んだ。この溶液を150rpmで均一になるまで攪拌し、窒素でパージした。攪拌速度は一分間に380回転(RPM)に設定した。上記の溶液に、339.5gのイソオクチルアクリレート、0.11gのドデカンチオールおよび1.05gのパーカドックス16N(アクゾ化学会社から市販されている95%活性ビス(4−tert−ブチルシクロヘキシル)ペルオキシジカルボネート開始剤の商品名)の混合溶液を添加した。反応混合物を50℃に加熱した。反応の間中攪拌と窒素によるパージを行った。反応温度ははじめ50℃に設定したが、数分後には発熱し、77℃のピークに達した。バッチは50℃で22時間維持し、冷却し、チーズクロスで濾過した。チーズクロス上に集められた凝塊の重量を測定し、モノマーに対する凝塊の重量%で報告した(0.37%)。粒子径は57ミクロンであり溶剤溶性レベルは18%であった。
実施例2〜4ではアクリルアミドモノマーの添加量を増加させて、実施例1に記載の反応操作を繰り返した。下記の表1を参照。
アクリルアミドモノマーを添加せずに、実施例1に記載の反応プロセスを繰り返した。下記の表2を参照。
温度計、機械式攪拌機、および窒素導入管を備えた5リットルの3つ首フラスコに2169.9gの脱イオン水、63.0gの固形分10%のステパノールAMV(ステパン社から市販されている固形分28%のラウリル硫酸アンモニウム溶液の商品名)、濃縮水酸化アンモニウムによりpH7.0に予め中和しておいた126gの固形分10%のグッドライトK702溶液(B.F.グッドリッチ社から市販されている固形分25%、平均分子量240,000のポリアクリル酸溶液の商品名)および75.6gのアクリルアミドと12.6gのアクリル酸を仕込んだ。この溶液を200rpmで均一になるまで攪拌し窒素でパージした。攪拌速度は一分間に410回転(RPM)に設定した。上記の溶液に、1171.8gのイソオクチルアクリレート、0.50gのドデカンチオールおよび3.78gのパーカドックス16N(アクゾ化学会社から市販されている95%活性ビス(4−tert−ブチルシクロヘキシル)ペルオキシジカルボネート開始剤の商品名)の混合溶液を添加した。反応混合物を50℃に加熱した。反応の間中攪拌と窒素によるパージを行った。反応温度ははじめ50℃に設定したが、数分後には発熱し、81℃のピークに達した。バッチは50℃で22時間維持し、冷却し、チーズクロスで濾過した。チーズクロス上に集められた凝塊の重量を測定し、モノマーに対する凝塊の重量%で報告した(0.33%)。粒子径は48ミクロンであり溶剤溶性レベルは22%であった。
イソオクチルアクリレートをアクリル酸アンモニウムに対し97.6/2.4の割合で用いて、微小球粒子接着剤サンプルを米国特許第3,691,140号に記載の方法で調製した。粒子径は38ミクロンであり、溶剤溶性レベルは20%であった。懸濁を凝集させ、n−ヘプタンに固形分9%で再分散させた。この溶媒分散物に水性ポリアクリルアミドを表4に記載(重量対重量ベース)の量で添加した。サンプルを75ミクロンにセットしたバーコーターを用いてポリエステルフィルムに塗布した。コートを66℃で15分間乾燥させた。
実施例6に記載のものと同じ調合を用いて、バーコート厚50ミクロンおよび100ミクロンでコートを作った。コートは66℃で15分間乾燥させた。結果を下記表5に示す。
幾つかの市販されている接着剤塗布貼り替え可能なノートを上記に記載のテスト方法に従いテストした。ボンド紙に対する接着(g/インチ)とコート紙への接着(g/インチ)を測定し結果を表6にまとめる。
いくつかの市販されている接着剤塗布貼り替え可能なノートを上記の試験方法に従い試験した。本実施例に用いたコートカード紙に対する引き剥がし接着力を「コート紙への引き剥がし接着力」の試験方法の項で先に記載のものと同じ方法を用いて測定した。結果を表7にまとめる。
Claims (7)
- 第一と第二の主面を持つ基材と、前記基材の第一の主面の少なくとも一部に微小球粒子接着剤の層とを含む接着剤塗布物品であって、前記微小球粒子接着剤の微小球粒子が(a)アルキル基に含有される炭素原子が4から14個である少なくとも一つのアルキル(メタ)アクリレートエステルと、(b)非極性、イオン性及び極性のコモノマーから選ばれる少なくとも1つのコモノマー、あるいはこのようなモノマーの混合物との反応生成物であり、前記微小球粒子接着剤がさらに1〜10重量%の水性ポリアクリルアミドを含有する、接着剤塗布物品。
- 前記微小球粒子接着剤のクロムコート紙(登録商標)上で測定された90度引き剥がし値が7.8〜98.4g/cm(20から250g/インチ)である、請求項1に記載の接着剤塗布物品。
- 成分(b)が(メタ)アクリルアミドモノマーである、請求項1に記載の接着剤塗布物品。
- 前記微小球粒子接着剤が(a)少なくとも一つのC4−C14アルキル(メタ)アクリレートエステルモノマーと少なくとも一つの(メタ)アクリルアミドコモノマーと前記非極性、イオン性及び極性のコモノマーから選ばれる少なくとも1つのコモノマーを含む重合性出発原料を含む反応体の反応生成物である、複数の重合体固体エラストマーの微小球粒子と(ただし前記(メタ)アクリルアミドコモノマーはKdが10-3より大きい解離性プロトンを持たないものである)、(b)前記微小球粒子100重量部に対し0.1から3重量部の量の重合体安定剤と、(c)前記微小球粒子100重量部に対し5重量部を越えない量の界面活性剤とを含む、請求項1に記載の接着剤塗布物品。
- 前記微小球粒子接着剤が(a)少なくとも一つのC4−C14アルキル(メタ)アクリレートエステルモノマーと前記非極性、イオン性及び極性のコモノマーから選ばれる少なくとも1つのコモノマーを含む重合性出発原料の反応生成物である、複数の重合体固体エラストマーの微小球粒子と、(b)前記重合性モノマー出発原料100重量部に対し0.1から2重量部の量の前記重合性モノマー出発原料の開始剤と、(c)任意に、前記微小球粒子100重量部に対し0.1から3重量部の量の重合体安定剤と、(d)前記微小球粒子100重量部に対し5重量部以下の量の界面活性剤と、(e)前記微小球粒子中のn−ヘプタン溶性分の30〜98質量%を生成するに充分な量の連鎖移動剤と、を含む請求項1に記載の接着剤塗布物品。
- 前記微小球粒子接着剤が、(a)少なくとも85重量部の少なくとも一つの、アルキルが4〜14個の炭素原子を含むアルキル(メタ)アクリレートエステルと、(b)15重量部以下の少なくとも一つの(メタ)アクリルアミドモノマーとを含む重合性出発原料の反応生成物である重合体アクリレートであり、不融性、n−ヘプタンに不溶性、n−ヘプタンに分散性で、感圧性の、複数の中空微小球粒子を含み、前記微小球粒子の過半数が微小球粒子の直径の少なくとも10%である直径を持つ少なくとも一つの内部空隙を含有する中空微小球粒子である、請求項1に記載の接着剤塗布物品。
- 前記微小球粒子接着剤が前記微小球粒子の境界内に全面的に存在する二つ以上の水不溶性ポリマーの混合物を含む複合感圧接着性微小球粒子を含み、かつ、少なくとも一つの水不溶性ポリマーが溶質ポリマーであり、少なくとも一つの水不溶性ポリマーがマトリックスポリマーである、請求項1に記載の接着剤塗布物品。
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US09/211,157 US6296932B1 (en) | 1998-12-14 | 1998-12-14 | Microsphere adhesive coated article for use with coated papers |
US09/211,157 | 1998-12-14 |
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JP2010270008A Expired - Fee Related JP5485864B2 (ja) | 1998-12-14 | 2010-12-03 | 貼り替え可能な微小球粒子接着剤塗布物品 |
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US (2) | US6296932B1 (ja) |
EP (2) | EP1464689A3 (ja) |
JP (2) | JP2002532610A (ja) |
KR (1) | KR20010101187A (ja) |
AU (1) | AU5089299A (ja) |
CA (1) | CA2350926A1 (ja) |
DE (1) | DE69929698T2 (ja) |
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WO2003104347A1 (en) * | 2002-06-11 | 2003-12-18 | Donahue P Richard | Multi-layer sheet of repositional posting sheetlets |
DE10229733A1 (de) * | 2002-07-02 | 2004-01-22 | Basf Ag | Haftklebstoffe für Träger aus Weich-PVC |
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US20060147636A1 (en) * | 2004-12-30 | 2006-07-06 | Cooprider Terrence E | Method and apparatus of forming a coating fluid pattern |
US20060145465A1 (en) * | 2005-01-03 | 2006-07-06 | Abbondante, Llc | Separable sheet system and method |
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WO2009041920A1 (en) * | 2007-09-27 | 2009-04-02 | Aero, Kemicna, Graficna In Papirna Industrija, D.D. Celje | Microsphere acrylic copolymer adhesives and process of manufacturing thereof |
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BRPI0918319A2 (pt) * | 2008-12-24 | 2017-05-30 | 3M Innovative Properties Co | adesivos e composição adesiva sensível à pressão |
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-
1998
- 1998-12-14 US US09/211,157 patent/US6296932B1/en not_active Expired - Lifetime
-
1999
- 1999-07-02 EP EP04015122A patent/EP1464689A3/en not_active Withdrawn
- 1999-07-02 WO PCT/US1999/015089 patent/WO2000036041A1/en active IP Right Grant
- 1999-07-02 EP EP99935410A patent/EP1151049B1/en not_active Expired - Lifetime
- 1999-07-02 AU AU50892/99A patent/AU5089299A/en not_active Abandoned
- 1999-07-02 CA CA002350926A patent/CA2350926A1/en not_active Abandoned
- 1999-07-02 DE DE69929698T patent/DE69929698T2/de not_active Expired - Lifetime
- 1999-07-02 KR KR1020017007342A patent/KR20010101187A/ko not_active Application Discontinuation
- 1999-07-02 JP JP2000588294A patent/JP2002532610A/ja not_active Withdrawn
- 1999-11-22 TW TW088120355A patent/TW473533B/zh not_active IP Right Cessation
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2001
- 2001-06-25 US US09/891,014 patent/US6905763B2/en not_active Expired - Lifetime
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Also Published As
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DE69929698D1 (de) | 2006-04-13 |
JP2002532610A (ja) | 2002-10-02 |
US6905763B2 (en) | 2005-06-14 |
WO2000036041A1 (en) | 2000-06-22 |
KR20010101187A (ko) | 2001-11-14 |
CA2350926A1 (en) | 2000-06-22 |
EP1151049B1 (en) | 2006-02-01 |
JP2011068904A (ja) | 2011-04-07 |
EP1464689A2 (en) | 2004-10-06 |
AU5089299A (en) | 2000-07-03 |
TW473533B (en) | 2002-01-21 |
DE69929698T2 (de) | 2006-10-05 |
US6296932B1 (en) | 2001-10-02 |
EP1464689A3 (en) | 2005-01-05 |
US20010046598A1 (en) | 2001-11-29 |
EP1151049A1 (en) | 2001-11-07 |
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