JP7618539B2 - 粘着付与及び充填シリコーン接着剤組成物 - Google Patents
粘着付与及び充填シリコーン接着剤組成物 Download PDFInfo
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- JP7618539B2 JP7618539B2 JP2021509980A JP2021509980A JP7618539B2 JP 7618539 B2 JP7618539 B2 JP 7618539B2 JP 2021509980 A JP2021509980 A JP 2021509980A JP 2021509980 A JP2021509980 A JP 2021509980A JP 7618539 B2 JP7618539 B2 JP 7618539B2
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
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Description
用語「a」、「an」、及び「the」は、「少なくとも1つの」と区別なく使用され、記載される要素のうちの1つ以上を意味する。
式-NH-(CO)-(CO)-NRd(式中、各(CO)はカルボニル基を意味し、Rdは水素、アルキルであるか、又はそれが結合した窒素と一緒になった複素環式基の一部である)の二価の基を指す。ほとんどの実施形態において、Rdは水素又はアルキルである。多くの実施形態において、Rdは水素である。
本開示は概ね、基材、壁又は表面(一般的に、被着体)から損傷を伴わずに取り外すことができる接着性物品に関する。本明細書に記載される現時点で好ましい実装形態では、接着剤組成物は剥離可能である。他の実装形態において、剥離可能な層は伸長剥離可能である。得られた接着性物品は、ハードグッドに隣接して取り付けたり、配置したりすることができる。
シリコーン含有ポリマーをシリケート粘着付与樹脂と組み合わせることにより、感圧又は熱活性化接着剤のいずれかを配合することができる。本明細書において使用される場合、用語「感圧接着剤」とは、粘着性を有し、指圧以下で接着し、いかなるエネルギー源による活性化も必要とせず、被着体に適用される場合に、意図された使用角度及び意図された荷重で被着体上に保持するのに十分な接着力を有し、被着体からきれいに取り外すのに十分な粘着力を有する材料を意味する。本明細書において使用される場合、用語「熱活性化接着剤」は、本質的に室温で非粘着性であるが、室温を上回る、例えば約30℃超などの活性化温度を超えた温度にて粘着性となる、接着剤組成物を意味する。熱活性化接着剤は、典型的には、活性化温度超において、感圧接着剤の特性を有する。
シリコーン含有ポリマー及びシリケート粘着付与樹脂を無機粒子又は他の充填剤と組み合わせることによって、感圧又は熱活性化接着剤のいずれかを配合することができる。接着剤組成物に含まれる無機粒子は、得られる接着剤の性能を向上させる傾向がある。より具体的には、無機粒子は、感圧接着剤の粘着力を増加させる傾向があり、ゴム状プラトー弾性率を増加させる傾向がある。驚くべきことに、無機粒子の添加は、接着剤が基材に接着された後に取リ外しのために伸張又は引き剥がされたときに、剪断強度及び装着能力を実質的に犠牲にすることなく、基材上に残っている接着剤残留物を減少させ、接着剤を取り外すのに必要な剥離力を低減し、被着体への損傷の可能性を低減し、特定の剥離ライナーへの接着力を減少させる。
特定の溶媒系プロセスでは、シリケート粘着付与樹脂を、ポリアミンとポリイソシアネートとを反応混合物に導入する前、導入中、又は導入後に取り入れることができる。ポリアミンとポリイソシアネートとの反応は、溶媒又は溶媒の混合物中で実施される。溶媒類は、ポリアミン及びポリイソシアネートとは非反応性であることが好ましい。出発物質及び最終生成物は、重合中及び重合の完了後も、溶媒中で完全に混和したままであることが好ましい。これらの反応は、室温又は反応溶媒の沸点以下で実施することができる。反応は、好ましくは最高で50℃の周囲温度で実行される。
基材と、基材の少なくとも1つの表面に隣接する接着剤層とを含む接着性物品が提供される。本開示の他の接着性物品は、バッキング又は基材を含まなくてもよい。バッキングフリー接着構造体は、例えば、米国特許出願公開第2016/0068722号(Schmitz Stapelaら)に記載されている。接着剤層のいくつかの実施形態は、(1)ポリジオルガノシロキサンポリオキサミドコポリマー、約0.1重量%~約70重量%の量のシリケート粘着付与樹脂、及び約0.1重量%~約20重量%のヒュームドシリカと、(2)シリコーンポリウレアブロックコポリマー、約0.1重量%~約70重量%の量のシリケート粘着付与樹脂、及び約0.1重量%~約20重量%の量のヒュームドシリカと、(3)付加硬化シリコーン、約0.1重量%~約70重量%の量のシリケート粘着付与樹脂、及び約0.1重量%~約20重量%の量のヒュームドシリカ、のうちの少なくとも1つを含む。基材は、単一層の材料を含んでもよく、2つ以上材料の組み合わせであってもよい。
本明細書に記載される接着性物品のいくつかの実施形態は、ハードグッド又は取り付けデバイスを更に含む。例示的なハードグッド又は取り付けデバイスとしては、例えば、フック、ノブ、クリップ、及びループが挙げられる。いくつかの実施形態において、ハードグッドは釘に似ている。いくつかの実施形態において、ハードグッドは、吊り下げ面として機能するための単一の外向き突出部を有する。いくつかの実施形態において、ハードグッドは、吊り下げ面として機能するための複数の外向き突出部を有する。いくつかの実施形態において、ハードグッドは、1つ以上の物品を、非限定的にボックス又はキャディなどの内部に保持できる形状に成形される。いくつかの実施形態において、ハードグッドは棚板、棚状突起、又は架台である。いくつかの実施形態において、ハードグッドはバーであり、バーは、真っ直ぐ若しくは湾曲していてもよく、又は実質的にリングでもよく、バーは、基材表面に対して平行又は垂直に装着することができる。いくつかの実施形態において、ハードグッドは、物品を装着する又は吊り下げるための複数の方法を使用する。本開示の接着性物品と共に、以下の取り付けデバイス:出願案件番号77486US002(本譲受人に譲渡されている)、米国特許第5,409,189号(Luhmann)、同第5,989,708号(Kreckel)、同第8,708,305号(McGreevy)、同第5,507,464号(Hamerskiら)、同第5,967,474号(doCantoら)、同第6,082,686号(Schumann)、同第6,131,864号(Schumann)、同第6,811,126号(Johanssonら)、同第D665,653号、及び同第7,028,958号(Pitzenら)のうちのいずれも使用することができ、それらの文献は全て、その全体が参照により本明細書に組み込まれる。ハードグッドは、基材に装着される任意の対象物でもよい。
本開示の物品は、様々な方法で使用することができる。いくつかの実施形態において、接着性物品は、被着体に、適用され、付着され、又は押し付けられる。このようにして、接着性物品は被着体と接触する。剥離ライナーが存在する場合、剥離ライナーは、接着性物品が被着体に適用され、付着され、又は押し付けられる前に、取り除かれる。いくつかの実施形態において、接着性物品が被着体に適用され、付着され、又は押し付けられる前に、被着体の少なくとも一部分がアルコールで拭われる。
試験方法
90°角剥離接着強度試験(90° Angle Peel Adhesion Strength Test)
次の方法により剥離接着強度及び除去性を評価した。試験ストリップ(以下に記載の多層複合テープ)を、15ポンドのローラーで圧下して被着体に適用した。接着した試料を、試験前に少なくとも1時間の放置時間にわたって72°F(22℃)及び50% RH(CTH)条件下でエージングした。別途記載のない限り、INSTRON万能試験機を12in/min(30.5cm/min)のクロスヘッド速度で用いて、ストリップをパネルから剥離した(いくつかの試料は、90in/min(228.6cm/min)で実施された)。剥離力を測定し、目視可能な接着剤残留物がパネルに残されていないか、又は何らかの損傷が発生したかどうかを観察した。表中の剥離データは、3回の試験の平均を表す。
剪断強度は、ASTM D3654-82法によって決定した。試験用正方形(以下に記載の多層複合テープ)を被着体に適用し、幅0.5in又は0.75in×長さ約4in(幅1.27cm又は幅1.91cm×長さ10.16cm)の金属化PETフィルムを、対向する(剥離不可能)接着剤に付着させた。金属化PETを折り返して、ステープル留めした。続いて、15ポンドのローラーを使用して、2回通過させて試料を圧下した。試料を垂直位置に取り付け、CTH条件(別途記載のない限り)で60分間放置させた後、750グラム又は1000グラムの荷重を接着剤に付着させた。損傷まで、又は少なくとも25,000分経過するまで(10,000分はASTMの時間限界であることに留意されたい)、試料を吊るした。
多層複合テープ試料は、以下に記載されるように、DUAL LOCKストリップバッキングを用いて調製した。試験試料を、0.75in×0.75in(1.91cm×1.91cm)の正方形に切断した。各試料を各試験のためにペアで使用した。各ペアについて、一方は、DUAL LOCKバッキングが外向きとなるようにシリコーン接着剤側を乾式壁に貼り付けることによって、塗装された乾式壁に適用した。第2の部片を、同様にDUAL LOCKバッキングが外向きとなるように、シリコーン接着剤側から1in×2in(2.54cm×5.08cm)のアルミニウムパネルに適用した。15.4lbのローラーを使用して、12in/minの速度で、乾式壁に適用された部片に一貫した圧力をかけ(2回通過)、適切なウェットアウトを実現した。2つの部片(一方が乾式壁上、他方がアルミニウムパネル上)は、DUAL LOCK側を互いに締結することによって結合した。試料を垂直位置に取り付け、特定の条件(CTH又は72°F/75%RHのいずれか)で60分間、試験基材上に放置させた。1時間の放置時間が経過した後、アルミニウムパネル上に重りを吊り下げることによって、1000グラムの重量を試料に適用した。接着剤の正方形が試験基材から完全に脱落した(接着剤は試験基材表面にもはや接着していない)ことが観察された場合、損傷を示した。表中のパッケージ重量要求データは、重量保持力(日)として提供される。データは、3つの試験の平均である。
試料をCTH条件で試験した。
ライナー上の接着剤転写テープの幅2.54cm、長さ約20cmの試料を、試験片かみそりカッターを使用して切断した。以下に記載のように調製された少なくとも4つの転写接着テープを、各ストリップ上の接着剤側を次のストリップのライナー側と接触させるように、互いの上部に重なり合わせておいた。少なくとも2つのストリップの積層体を、3M Double Coated Paper Tape 410M(3M Company(St.Paul,MN,USA)から入手可能)を使用して、剥離接着力試験機(IMASS SP-2100テスター、IMASS,Inc.(Accord,MA))より入手)のプラテン表面上に長さ方向に適用した。上部ストリップを、例えば、60in/min(152.4cm/min)で、180度の角度で、下のライナーから剥離した。3つのストリップをその下の対応物から引き剥がすのに必要な平均力を、イージー面ライナー剥離として記録した。
ライナー上の接着剤転写テープの幅2.54cm、長さ約20cmの試料を、試験片かみそりカッターを使用して切断した。カット試料を、3M Double Coated Paper Tape 410M(3M Company(St.Paul,MN,USA)より入手)を使用して、剥離接着力試験機(IMASS SP-2100テスター、IMASS,Inc.(Accord,MA)から入手可能)のプラテン表面上に長さ方向に適用した。剥離ライナーを、例えば12in/min(30.5cm/min)で180度の角度で接着剤から剥離した。3つのライナーを接着剤から引き剥がすのに必要な平均力を、タイト面ライナー剥離として記録した。
8mm平行板グリップを備えた動的機械分析器Discovery HR-3(TA Instruments,New Castle,DE)を使用して、ねじりモードでレオロジー特性を実施した。PSAを4回折り畳んで、接着剤の厚さをおよそ約1mmにすることによって試料を調製した。試料を、その目的のために専用に作製されたパンチカッターを使用して直径8mmのディスクに切断した。
乾式壁パネル(Materials Company(Metzger Building,St.Paul,MN)より入手)に、Behr PREMIUM PLUS ULTRA(登録商標)Primer and Paint 2 in 1 Flat Egyptian Nile(FEN)(Behr Process Corporation(Santa Ana,CA)より入手)、又はSherwin-Williams DURATION(登録商標)Interior Acrylic Latex Ben Bone White Paint SWBB(Sherwin-Williams Company(Cleveland,OH)より入手)を塗装した。剥離接着力試験に使用した第3の塗料は、Ace Hardwareより入手したClark+Kensington Semi-Gloss Acrylic Latex、Paint and Primer Designer White(CS)であった。
感圧接着剤組成物を、フルオロアルキルシリコーン剥離面を有する紙ライナーウェブ上にナイフコーティングした。紙ライナーウェブ速度は2.75メートル/minであった。コーティング後、3つの温度ゾーンを有する長さ11メートルのオーブン(滞留時間合計4分)にウェブを通した。ゾーン1(2.75メートル)における温度は57℃であり、ゾーン2(2.75メートル)における温度は80℃であり、ゾーン3(約5.5メートル)における温度は93℃であった。乾燥接着剤のキャリパーは、およそ2.5~3.0milの厚さであった。次に、接着剤転写接着剤テープを周囲条件で保管した。
次いで、転写接着剤を、フィルム-発泡体-フィルム複合体に積層し、所望の大きさ及び形状をダイカットした。具体的には、試験接着剤組成物を、COMMANDストリップ製品(発泡体の両面に1.8milのポリエチレンフィルムを有する31mil6lbの発泡体)で見られるものと同様に、複合フィルム-発泡体-フィルム構造体の第1の面に接着させた。フィルム-発泡体-フィルム構造体のこの面を、接着剤の積層の前に、3M接着促進剤4298UV(3M Company,St.Paul,MN)で下塗りした。複合発泡体の第2の面は、試験サンプルの全幅及び長さに沿って接着された第2の非剥離性接着剤を有した。3M DUAL LOCKストリップバッキング又は2milのPETフィルムを、剥離接着力試験及びパッケージ重量要求試験用に、第2の面に接着させる、又は金属化PETフィルムを、剪断試験用に、第2の面に接着させた。接着剤被覆フィルム-発泡体-フィルム複合体の試料を、塗装された乾式壁からの剥離試験用に、幅1in×長さ6inのストリップ(2.54cm×15.24cm)に、又は剪断試験用に0.5in×0.5in(1.27cm×1.27cm)に、又はパッケージ重量要求試験用に0.75in×0.75in(1.91cm×1.91cm)にダイカットした。
ガラス瓶に、250gのCab-O-Sperse 2017A(Cabot Corp.(Alpharetta,GA,USA)から固形分約17%のシリカ水中分散液として入手可能)を添加した。磁気撹拌させながら、250gのイソプロパノールをゆっくりと添加した。この混合物に、10.29gのヘキサデシルトリメトキシシラン(Wacker Chemical Corp.(Adrian,MI,USA)からSilane 25013VPとして入手可能)と、0.45gのメチルトリメトキシシラン(Wacker Chemical Corp.(Adrian,MI,USA)からSilane M1-Trimethoxyとして入手可能)を添加した。瓶をキャップでしっかりと密封し、混合した混合物を80℃の水浴にて24時間加熱し、撹拌した。室温まで冷却した後、内容物をフラスコに移してトルエンを用いてすすぎ洗いした。水及びイソプロパノールをロータリーエバポレーターで除去し、得られた分散液がトルエン中で固形分16.5%になるまで、定期的に体積をトルエンを付加しながら交換した。
シリコーンポリウレアブロックコポリマー感圧接着剤配合物
ヒュームドシリカ(Evonik Corporation(Parsippany,NJ)から入手可能なAEROSIL R 812 S)を、空荷時32オンスのジャーに加え、トルエン及びMQ粘着付与樹脂(Momentive Performance Materials(Watertown,NY)から入手可能な、SR545、トルエン中固形分30重量%の溶液として供給)で希釈した。得られた混合物を、高に設定したペイントシェーカーに15分間かけて、濃厚な虹色の(iridescent)分散液を作製した。次に、シリコーンポリウレアブロックコポリマーのエラストマー溶液(65/35トルエン/イソプロピルアルコール中)を、ジャーに加え、密封し、ジャーをローラー上に18時間置き、約25rpmに設定して混合した。このシリコーンポリウレアブロックコポリマー(SPU)は、米国特許第6,569,521号の実施例28の感圧接着剤組成物を調製するために使用されるシリコーンポリウレアブロックコポリマーと同じであった。接着剤転写テープ及び多層複合テープを、上記のように調製した。コーティングに使用される感圧接着剤配合物及び固形分パーセントを表1に提供する。感圧接着剤のレオロジー特性を表2に提供する。
実施例E13~E22の感圧接着剤配合物を、実施例E1~E12について記載した一般的な手順に従って調製した。接着剤転写テープ及び多層複合テープを、上記のように調製した。コーティングに使用される感圧接着剤配合物及び固形分パーセントを表11に提供する。感圧接着剤のレオロジー特性を表12に提供する。
実施例E23~E26の感圧接着剤配合物を、実施例E1~E12に記載した一般的な手順に従って調製した、但し、CABOSIL TS-382(Cabot Corporation(Boston,MA)から入手可能)は、AEROSIL R 812 Sの代わりに、実施例E24及びE26に使用したヒュームドシリカである。接着剤転写テープ及び多層複合テープは、上記のように調製した。コーティングに使用される感圧接着剤配合物及び固形分パーセントを表17に提供する。感圧接着剤のレオロジー特性を表18に提供する。
実施例E27~E30の感圧接着剤配合物を、上記のように調製した表面改質シリカナノ粒子を使用したシリカであるAEROSIL R 812Sを使用する代わりに、実施例E1~E12に記載の一般的な手順に従って調製した。接着剤転写テープ及び多層複合テープを、上記のように調製した。コーティングに使用される感圧接着剤配合物及び固形分パーセントを表21に提供する。感圧接着剤のレオロジー特性を表22に提供する。
実施例E31~E46の感圧接着剤配合物を、実施例E1~E12について記載した一般的な手順に従って調製した。接着剤転写テープ及び多層複合テープを、上記のように調製した。コーティングに使用される感圧接着剤配合物及び固形分パーセントを表25に提供する。感圧接着剤のレオロジー特性を表26に提供する。
シリコーンポリジシロキサンポリオキサミドブロックコポリマー感圧接着剤配合物
ヒュームドシリカ(Evonik Corporation(Parsippany,NJ)から入手可能なAEROSIL R 812 S)を、空荷時32オンスのジャーに加え、トルエン及びMQ粘着付与樹脂(Momentive Performance Materials(Watertown,NY)から入手可能な、SR545)で希釈した。得られた混合物を、高に設定したペイントシェーカーに15分間かけて、濃厚な虹色の(iridescent)分散液を作製した。次に、ポリジシロキサンポリオキサミドブロックコポリマーのエラストマー溶液(77/23酢酸エチル/イソプロピルアルコール中)を、ジャーに加え、密封し、ジャーをローラー上に18時間置き、約25rpmに設定して混合した。使用したポリジシロキサンポリオキサミドブロックコポリマー(PDMS I)は、米国特許第8,765,881号の実施例12の感圧接着剤組成物に使用されるものと同じであった。実施例12は、10,174g/molの当量重量、又は約20,000g/molの分子量のアミンを示す。接着剤転写テープ及び多層複合テープを、上記のように調製した。コーティングに使用される感圧接着剤配合物及び固形分パーセントを表29に提供する。
付加硬化シリコーン感圧接着剤配合物
第1工程では、シリカ粉末を個々にトルエンに添加して、シリカストック溶液を作製した。シリカをトルエンに添加した後、混合物を中程度の強度を有するシェーカー上に置き、10分間振盪した。続いて、試料を混合用ローラー上に置き、次の工程に使用する時間になるまで放置した。次の工程では、適切な量の0.2重量分率のPDMS(PDMS II)溶液(Wacker Chemie AG,Germanyから入手可能なWacker 948、トルエン中固形分30重量%の溶液として供給)を配合物に基づいて計量し、8オンスジャーに添加した。次いで、MQ粘着付与樹脂(Momentive Performance Materials(Watertown,NY)から入手可能なSR545、トルエン中固形分30重量%の溶液として供給)を、適切な量でPDMS溶液に添加した。次いで、シリカストック溶液をPDMS/MQ樹脂混合物に添加した。最後に、架橋剤(SYL-OFF 7678架橋剤、Dow Chemical Company(Midland,MI)から入手可能)を、適切な量で(水素化物対ビニル比6に基づいて)溶液に添加し、その溶液を混合用ローラー上に置き、ローラー上に一晩放置して、適切な混合を達成した。接着剤をコーティングする直前に、40ppmの白金触媒(Gelest,Morrisville,PAから入手可能な白金-ジビニルテトラメチルジシロキサン錯体)を溶液に添加した。コーティングの前に10分間混合するために、溶液をローラー上に置いた。接着剤転写テープ及び多層複合テープを、上記のように調製した。感圧接着剤配合物を表33に提供する。
1.(a)ポリジオルガノシロキサンポリオキサミドコポリマー、約10重量%~約70重量%の量のシリケート粘着付与樹脂、及び約0.1重量%~約20重量%のヒュームドシリカ、
(b)シリコーンポリウレアブロックコポリマー、約10重量%~約70重量%の量のシリケート粘着付与樹脂、及び約0.1重量%~約20重量%の量のヒュームドシリカ、又は、
(c)付加硬化シリコーン、約10重量%~約70重量%の量のシリケート粘着付与樹脂、及び約0.1重量%~約20重量%の量のヒュームドシリカ、
を含む、接着剤組成物。
2.接着剤組成物が、ポリジオルガノシロキサンポリオキサミドコポリマー、約10重量%~約70重量%の量のシリケート粘着付与樹脂、及び約0.1重量%~約20重量%のヒュームドシリカを含む、実施形態1に記載の接着剤組成物。
3.接着剤組成物が、シリコーンポリウレアブロックコポリマー、約10重量%~約70重量%の量のシリケート粘着付与樹脂、及び約0.1重量%~約20重量%の量のヒュームドシリカを含む、実施形態1に記載の接着剤組成物。
4.接着剤組成物が、付加硬化シリコーン、約10重量%~約70重量%の量のシリケート粘着付与樹脂、及び約0.1重量%~約20重量%の量のヒュームドシリカを含む、実施形態1に記載の接着剤組成物。
5.感圧接着剤である、実施形態1~4に記載の接着剤組成物。
6.熱活性化接着剤である、実施形態1~4に記載の接着剤組成物。
7.シリケート粘着付与樹脂が、MQシリケート粘着付与樹脂である、実施形態1~6に記載の接着剤組成物。
8.粘着付与剤が、接着剤組成物の重量に基づいて、約20重量パーセント~約60重量パーセントの量で存在する、実施形態1~7のいずれかに記載の接着剤組成物。
9.粘着付与剤が、接着剤組成物の重量に基づいて、約40重量パーセント~約60重量パーセントの量で存在する、実施形態8に記載の接着剤組成物。
10.ヒュームドシリカが、接着剤組成物の重量に基づいて、約1重量パーセント~約15重量パーセントの量で存在する、実施形態1~9のいずれかに記載の接着剤組成物。
11.ヒュームドシリカが、接着剤組成物の重量に基づいて、約2重量パーセント~約10重量パーセントの量で存在する、実施形態10に記載の接着剤組成物。
12.基材と、その基材の少なくとも1つの表面に隣接する接着剤層とを含む物品であって、その接着剤層が、
(a)ポリジオルガノシロキサンポリオキサミドコポリマー、約10重量%~約70重量%の量のシリケート粘着付与樹脂、及び約0.1重量%~約20重量%のヒュームドシリカ、
(b)シリコーンポリウレアブロックコポリマー、約10重量%~約70重量%の量のシリケート粘着付与樹脂、及び約0.1重量%~約20重量%の量のヒュームドシリカ、又は、
(c)付加硬化シリコーン、約10重量%~約70重量%の量のシリケート粘着付与樹脂、及び約0.1重量%~約20重量%の量のヒュームドシリカ、
のうちの少なくとも1つを含む、物品。
13.接着剤層が、ポリジオルガノシロキサンポリオキサミドコポリマー、約10重量%~約70重量%の量のシリケート粘着付与樹脂、及び約0.1重量%~約20重量%のヒュームドシリカを含む、実施形態12に記載の物品。
14.接着剤層が、シリコーンポリウレアブロックコポリマー、約10重量%~約70重量%の量のシリケート粘着付与樹脂、及び約0.1重量%~約20重量%の量のヒュームドシリカを含む、実施形態12に記載の物品。
15.接着剤組成物が、付加硬化シリコーン、約10重量%~約70重量%の量のシリケート粘着付与樹脂、及び約0.1重量%~約20重量%の量のヒュームドシリカを含む、実施形態12に記載の物品。
16.接着剤層が、熱活性化接着剤である、実施形態12~15に記載の物品。
17.接着剤層が、感圧接着剤である、実施形態12~15に記載の物品。
18.シリケート粘着付与樹脂が、MQシリケート粘着付与樹脂を含む、実施形態12~15に記載の物品。
19.粘着付与剤が、接着剤組成物の重量に基づいて、約30重量パーセント~約60重量パーセントの量で存在する、実施形態1~18のいずれかに記載の物品。
20.粘着付与剤が、接着剤組成物の重量に基づいて、約40重量パーセント~約60重量パーセントの量で存在する、実施形態18に記載の物品。
21.ヒュームドシリカが、接着剤組成物の重量に基づいて、約2重量パーセント~約10重量パーセントの量で存在する、実施形態1~20のいずれかに記載の物品。
22.ヒュームドシリカが、接着剤組成物の重量に基づいて、約3重量パーセント~約9重量パーセントの量で存在する、実施形態21に記載の物品。
23.約0.5oz/in~約120oz/inの剥離接着力、及び少なくとも約1500分の剪断保持を有する、実施形態11~22に記載の物品。
24.少なくとも約30,000分の静的剪断を有する、実施形態11~23に記載の物品。
25.少なくとも約50,000分の静的剪断を有する、実施形態24に記載の物品。
26.接着剤層の表面と接触する剥離ライナーを更に備える、実施形態11~23に記載の物品。
27.剥離ライナーに対する接着剤層の剥離接着力が、100oz/in以下である、実施形態24に記載の物品。
28.剥離ライナーに対する接着剤層の剥離接着力が、50oz/in以下である、実施形態24に記載の物品。
29.ヒュームドシリカが、少なくとも約200ナノメートル及び約20ミクロン以下の平均粒径を有する、実施形態24~28に記載の物品。
30.ヒュームドシリカが、少なくとも約1ミクロン及び約15ミクロン以下の平均粒径を有する、実施形態29に記載の物品。
31.接着性物品を調製する方法であって、
実施形態1~11のいずれかに記載の接着剤組成物を提供することと、
その接着剤組成物を基材の表面に適用することと、を含む、方法。
Claims (7)
- 第1の主表面と第2の主表面を有する、第1の基材と、
前記第1の基材の前記第1の主表面上の、第1の接着剤層と、
前記第1の基材の前記第2の主表面上の、第2の接着剤層と、
前記第2の接着剤層に隣接する、第2の基材と
を含む物品であって、前記第1の接着剤層は、以下:
(a)ポリジオルガノシロキサンポリオキサミドコポリマー、約30重量%~約60重量%の量のシリケート粘着付与樹脂、及び約0.1重量%~約15重量%のヒュームドシリカ、又は
(b)シリコーンポリウレアブロックコポリマー、約30重量%~約60重量%の量のシリケート粘着付与樹脂、及び約0.1重量%~約15重量%の量のヒュームドシリカ、
の少なくとも1つを含み、ここで前記重量は前記第1の接着剤層の総重量に基づくものであり、
前記第1の接着剤層は、約-125℃~15℃のガラス転移温度を有し、
前記物品は、
乾式壁の上で、72°F(22℃)50%RH条件下で1時間の放置時間の後に行う、12in/min(30.5cm/min)のクロスヘッド速度での90°角剥離接着強度試験による、約0.5oz/in~約120oz/inの90°剥離接着力、
乾式壁の上で、72°F(22℃)75%RH条件下で行うパッケージ重量要求試験による、少なくとも1日の剪断保持、及び
乾式壁の上で、72°F(22℃)50%RH条件下、6.6lbs/in2(464g/cm2)の荷重で行う剪断強度試験による、1800分を超える静的剪断を有する、物品。 - 前記ヒュームドシリカが、少なくとも約1ミクロン及び約15ミクロン以下の平均粒径を有する、請求項1に記載の物品。
- 前記シリケート粘着付与樹脂がMQシリケート粘着付与樹脂を含む、請求項1に記載の物品。
- 前記シリケート粘着付与樹脂が、前記第1の接着剤層の総重量に基づいて、約40重量%~約60重量%の量で存在する、請求項1に記載の物品。
- 前記ヒュームドシリカが、前記第1の接着剤層の総重量に基づいて、約2重量%~約15重量%の量で存在する、請求項1に記載の物品。
- 前記ヒュームドシリカが、前記第1の接着剤層の総重量に基づいて、約3重量%~約9重量%の量で存在する、請求項5に記載の物品。
- 前記第1の接着剤層の表面に接触した剥離ライナーをさらに含む、請求項1に記載の物品。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
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| US201862721958P | 2018-08-23 | 2018-08-23 | |
| US62/721,958 | 2018-08-23 | ||
| PCT/IB2019/057054 WO2020039372A1 (en) | 2018-08-23 | 2019-08-21 | Tackified and filled silicone adhesive compositions |
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| JP2021534311A JP2021534311A (ja) | 2021-12-09 |
| JPWO2020039372A5 JPWO2020039372A5 (ja) | 2022-08-29 |
| JP7618539B2 true JP7618539B2 (ja) | 2025-01-21 |
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| JP2021509980A Active JP7618539B2 (ja) | 2018-08-23 | 2019-08-21 | 粘着付与及び充填シリコーン接着剤組成物 |
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| US (1) | US20210238463A1 (ja) |
| EP (1) | EP3841178A4 (ja) |
| JP (1) | JP7618539B2 (ja) |
| KR (1) | KR102888853B1 (ja) |
| CN (1) | CN112585231A (ja) |
| AU (1) | AU2019326076A1 (ja) |
| TW (1) | TW202018042A (ja) |
| WO (1) | WO2020039372A1 (ja) |
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| JP7545975B2 (ja) | 2018-12-19 | 2024-09-05 | スリーエム イノベイティブ プロパティズ カンパニー | 剥離除去性を向上させた可撓性ハードグッド |
| KR20220011924A (ko) * | 2020-07-22 | 2022-02-03 | 주식회사 엘지화학 | 실리콘계 코팅 조성물 및 이를 포함하는 실리콘계 이형필름 |
| USD996195S1 (en) | 2022-02-28 | 2023-08-22 | 3M Innovative Properties Company | Mounting hook |
| KR20240159752A (ko) * | 2023-04-28 | 2024-11-06 | 오씨아이 주식회사 | 고분산 흄드 실리카 및 이의 제조방법 |
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- 2019-08-21 EP EP19851877.1A patent/EP3841178A4/en active Pending
- 2019-08-21 KR KR1020217006254A patent/KR102888853B1/ko active Active
- 2019-08-21 CN CN201980055033.7A patent/CN112585231A/zh active Pending
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- 2019-08-21 AU AU2019326076A patent/AU2019326076A1/en not_active Abandoned
- 2019-08-21 WO PCT/IB2019/057054 patent/WO2020039372A1/en not_active Ceased
- 2019-08-21 US US17/270,107 patent/US20210238463A1/en active Pending
- 2019-08-22 TW TW108130032A patent/TW202018042A/zh unknown
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| WO2018071278A1 (en) | 2016-10-13 | 2018-04-19 | 3M Innovative Properties Company | Removable film-forming gel compositions featuring adhesion promoters |
Also Published As
| Publication number | Publication date |
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| KR20210047883A (ko) | 2021-04-30 |
| AU2019326076A1 (en) | 2021-03-18 |
| EP3841178A4 (en) | 2022-06-08 |
| EP3841178A1 (en) | 2021-06-30 |
| US20210238463A1 (en) | 2021-08-05 |
| CN112585231A (zh) | 2021-03-30 |
| JP2021534311A (ja) | 2021-12-09 |
| TW202018042A (zh) | 2020-05-16 |
| KR102888853B1 (ko) | 2025-11-19 |
| WO2020039372A1 (en) | 2020-02-27 |
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