JP2020513447A - 縮合硬化性導電性シリコーン接着剤組成物 - Google Patents
縮合硬化性導電性シリコーン接着剤組成物 Download PDFInfo
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- JP2020513447A JP2020513447A JP2019528692A JP2019528692A JP2020513447A JP 2020513447 A JP2020513447 A JP 2020513447A JP 2019528692 A JP2019528692 A JP 2019528692A JP 2019528692 A JP2019528692 A JP 2019528692A JP 2020513447 A JP2020513447 A JP 2020513447A
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- condensation
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- conductive silicone
- silicone adhesive
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- 229920001187 thermosetting polymer Polymers 0.000 description 1
- DQZNLOXENNXVAD-UHFFFAOYSA-N trimethoxy-[2-(7-oxabicyclo[4.1.0]heptan-4-yl)ethyl]silane Chemical compound C1C(CC[Si](OC)(OC)OC)CCC2OC21 DQZNLOXENNXVAD-UHFFFAOYSA-N 0.000 description 1
- BPSIOYPQMFLKFR-UHFFFAOYSA-N trimethoxy-[3-(oxiran-2-ylmethoxy)propyl]silane Chemical compound CO[Si](OC)(OC)CCCOCC1CO1 BPSIOYPQMFLKFR-UHFFFAOYSA-N 0.000 description 1
- 239000004636 vulcanized rubber Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
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Classifications
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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
- C09J183/00—Adhesives based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Adhesives based on derivatives of such polymers
- C09J183/14—Adhesives based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Adhesives based on derivatives of such polymers in which at least two but not all the silicon atoms are connected by linkages other than oxygen atoms
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- C09J183/00—Adhesives based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Adhesives based on derivatives of such polymers
- C09J183/04—Polysiloxanes
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- C09J7/20—Adhesives in the form of films or foils characterised by their carriers
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
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- C09J9/00—Adhesives characterised by their physical nature or the effects produced, e.g. glue sticks
- C09J9/02—Electrically-conducting adhesives
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/04—Polysiloxanes
- C08G77/20—Polysiloxanes containing silicon bound to unsaturated aliphatic groups
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/48—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule in which at least two but not all the silicon atoms are connected by linkages other than oxygen atoms
- C08G77/50—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule in which at least two but not all the silicon atoms are connected by linkages other than oxygen atoms by carbon linkages
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- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/70—Siloxanes defined by use of the MDTQ nomenclature
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Abstract
Description
従来の接着剤組成物は、自動車製品、電子製品、消費者製品、建築、宇宙及び医療産業などの、多様な業界で使用される。接着剤組成物は、熱若しくは水分に対して耐性のある結合を提供するために、又は伝導などの他の機能を提供するために使用される。接着剤組成物は、機械的特性、熱伝導特性、又は導電性特性などの更なる機能を有するように配合されている。導電性接着剤組成物は、典型的には、熱硬化性又は熱可塑性材料であり得る粘着性又は粘性エラストマーなどの、粘着性又は粘性のマトリクス材料中に広く分散された粒子状導電性フィラーを含む。粘着性、接着性、及び凝集特性に加えて、マトリックス材料は、通常、1つ以上の機械的特性を有する組成物を提供する。1つの業界又は用途で使用するために配合される接着剤組成物は、別の業界又は用途での使用には不適切であり得る。
Claims (13)
- 縮合硬化性導電性シリコーン接着剤組成物(縮合硬化性ECSA組成物)であって、構成成分(A)〜(C):(A)第1濃度の(C2−C6)アルケニル基を含有する、(C2−C6)アルケニル基官能性MQオルガノシロキサン樹脂と、式(I)の化合物(R1O)3Si−(C1−C6)アルキレン−Si(R2)2O−Si(R3)2H (I)[式中、各R1は独立して(C1−C3)アルキルであり、各R2は独立して(C1−C3)アルキルであり、各R3は独立して(C1−C3)アルキルである。]とのヒドロシリル化反応の生成物である、反応性MQオルガノシロキサン樹脂、(B)同一又は異なる式(I)の化合物と、25℃で5,000〜200,000センチポアズ(cp)の動粘度を有する、(C2−C6)アルケニル基末端ポリジオルガノシロキサン[式中、各オルガノ基は独立して(C1−C3)アルキルである。]とのヒドロシリル化反応の生成物である反応性ポリジオルガノシロキサンポリマー、及び、少なくとも1つの(C)粒子状金属系フィラーを含み、前記構成成分(C)の濃度が、前記縮合硬化性ECSA組成物の全体積に対して15〜80体積%(vol%)であり、構成成分(A)の濃度が、構成成分(A)及び(B)の総重量に対して40〜70重量%(wt%)であり、構成成分(A)〜(C)の総重量が、前記縮合硬化性ECSA組成物の100wt%より少ない、又はこれに等しい、縮合硬化性導電性シリコーン接着剤組成物。
- (i)前記(A)反応性MQオルガノシロキサン樹脂が、第1濃度の(C2)アルケニル基を含有する、(C2)アルケニル基官能性MQオルガノシロキサン樹脂と、式(I)の化合物(R1O)3Si−(C1−C6)アルキレン−Si(R2)2O−Si(R3)2H (I)[式中、R1、R2、及びR3の少なくとも1つ、少なくとも2つ、又はそれぞれはメチルである。]とのヒドロシリル化反応の生成物である、又は、(ii)前記(A)反応性MQオルガノシロキサン樹脂が、1モル当たり1,000グラム(g/mol)〜30,000g/mol、若しくは4,000g/mol〜25,000g/mol、若しくは5,000g/mol〜20,000g/molの重量平均分子量(Mw)であることを特徴とする、又は、(iii)前記(A)反応性MQオルガノシロキサン樹脂が、ヒドロシリル化反応の生成物であることを特徴とし、前記(C2−C6)アルケニル基官能性MQオルガノシロキサン樹脂の前記第1濃度の前記(C2−C6)アルケニル基の、15モル%(mol%)〜90mol%、25mol%〜75mol%、若しくは25mol%〜50mol%が、前記式(I)の化合物とヒドロシリル化反応している、又は、(iv)(i)と(ii)、(i)と(iii)、(ii)と(iii)、若しくは(i)と、(ii)と、(iii)の組み合わせである、請求項1に記載の縮合硬化性導電性シリコーン接着剤組成物。
- (i)前記(B)反応性ポリジオルガノシロキサンポリマーが、25℃で10,000cp〜150,000cp、若しくは40,000cp〜100,000cpの動粘度を有する(C2)アルケニル基末端ポリジオルガノシロキサンのヒドロシリル化反応の生成物である、又は、(ii)前記反応性ポリジオルガノシロキサンポリマーの少なくとも50%、少なくとも90%、若しくは各オルガノ基がメチルである、又は、(iii)構成成分(B)を作製するために前記ヒドロシリル化反応で使用される前記式(I)の化合物が、少なくとも1つ、少なくとも2つ、又はそれぞれがメチルである各R1、R2、及びR3を有する、又は、(iv)(i)と(ii)、(i)と(iii)、(ii)と(iii)、若しくは(i)と、(ii)と、(iii)の組み合わせである、請求項1又は2に記載の縮合硬化性導電性シリコーン接着剤組成物。
- (i)前記構成成分(C)粒子状金属系フィラーの金属が、元素周期表の第1〜13族のいずれか1つの元素、スズ、鉛、アンチモン、ランタニド、アクチニド、任意の2種類以上のこのような金属のブレンド、任意の2種類以上のこのような金属の合金、若しくは、任意の1つのこのような金属若しくはこのような合金で構成されるシェルと、金属様若しくは非金属様支持材料で構成されるコアと、を含むコアシェル粒子である、又は、(ii)前記構成成分(C)粒子状金属系フィラーの金属が、銀;銅;金;アルミニウム;モリブデン;亜鉛;タングステン;ニッケル;鉄;パラジウム;白金;スズ;鉛;チタン;真鍮、青銅、67Cu33Zn、炭素鋼、方向性電磁鋼板、MANGANIN、コンスタンタン、若しくはニクロムの金属合金;若しくは任意の2種類以上の前述の金属及び合金のブレンドである、又は、(iii)前記(C)粒子状金属系フィラーが、縮合硬化性ECSA組成物の20vol%〜50vol%、若しくは30vol%〜45vol%、若しくは35〜40vol%である、又は、(iv)(i)と(ii)、(i)と(iii)、(ii)と(iii)、若しくは(i)と、(ii)と、(iii)の組み合わせである、請求項1〜3のいずれか一項に記載の縮合硬化性導電性シリコーン接着剤組成物。
- 構成成分(D)〜(I):(D)縮合触媒、(E)ビヒクル、(F)架橋剤、(G)水分捕捉剤、(H)接着促進剤、(I)3,000〜10,000g/molのMwを有する非反応性MQオルガノシロキサン樹脂(存在する場合、(H)の量は、(A)+(I)の合計重量の0wt%より大きく70wt%以下である)、及び(J)シリカのうち少なくとも1つを更に含む、請求項1〜4のいずれか一項に記載の縮合硬化性導電性シリコーン接着剤組成物。
- (i)前記構成成分(A)の濃度が、構成成分(A)及び(B)の総重量に対して45wt%〜65wt%、若しくは50wt%〜60wt%である、(ii)構成成分(C)の濃度が、前記縮合硬化性導電性シリコーン接着剤組成物の総重量に対して20wt%〜60wt%、若しくは25wt%〜55wt%、若しくは30wt%〜50wt%である、(iii)前記縮合硬化性ECSA組成物が、0オームセンチメートルより大きく10オームセンチメートル未満のバルク体積抵抗率(ρ)を特徴とする、又は、(iv)(i)と(ii)、若しくは(i)と(iii)、若しくは(ii)と(iii)、若しくは(i)と、(ii)と、(iii)の組み合わせである、請求項1〜5のいずれか一項に記載の縮合硬化性導電性シリコーン接着剤組成物。
- 縮合硬化導電性シリコーン接着剤組成物を得るために、請求項1〜6のいずれか一項に記載の縮合硬化性導電性シリコーン接着剤組成物を縮合硬化した、硬化生成物。
- 物理的に形状化された形態の、請求項1〜6のいずれか一項に記載の縮合硬化性導電性シリコーン接着剤組成物、又は、物理的に形状化された形態の、請求項7に記載の硬化生成物を含む、製造された物品。
- 基板と、前記基板上に配置された請求項1〜6のいずれか一項に記載の縮合硬化性導電性シリコーン接着剤組成物、又は、請求項7に記載の硬化生成物と、を含む、電気デバイス。
- 請求項1〜6のいずれか一項に記載の縮合硬化性導電性シリコーン接着剤組成物を作製する方法であって、構成成分(A)及び(B)と、任意選択的に(E)ビヒクルと、を含む構成成分を混合して、(A)及び(B)と、任意選択的に(E)との均一混合物を得ることと、構成成分(C)を前記均一混合物に分散させて、充填混合物を得ることと、(D)縮合触媒と、任意選択的に(F)架橋剤、及び/又は(G)水分捕捉剤とを前記充填混合物に分散させて、前記縮合硬化性導電性シリコーン接着剤組成物を得ることと、を含む、方法。
- 請求項7に記載の硬化生成物を作製する方法であって、請求項1〜6のいずれか一項に記載の縮合硬化性導電性シリコーン接着剤組成物を湿気と接触させて、接触組成物を得、任意選択的に、前記接触組成物を加熱して、前記硬化生成物を得ることを含む、方法。
- 請求項8に記載の製造された物品を作製する方法であって、前記縮合硬化性導電性シリコーン接着剤組成物を物理的に形状化して、物理的に形状化された形態にし、任意選択的に、前記物理的に形状化された形態の前記縮合硬化性導電性シリコーン接着剤組成物を縮合硬化して、前記物理的に形状化された形態の前記硬化生成物を得、前記製造された物品を得ることを含む、方法。
- 請求項9に記載の電気デバイスを作製する方法であって、前記縮合硬化性導電性シリコーン接着剤組成物を前記基板に適用して前記電気デバイスを得ること、又は、前記硬化生成物を前記基板に適用して前記電気デバイスを得ること、又は、前記基板上に適用した前記縮合硬化性導電性シリコーン接着剤組成物を硬化して前記電気デバイスを得ることを含む、方法。
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JP2006348119A (ja) * | 2005-06-15 | 2006-12-28 | Dow Corning Toray Co Ltd | 硬化性オルガノポリシロキサン組成物 |
WO2014124389A1 (en) * | 2013-02-11 | 2014-08-14 | Dow Corning Corporation | Moisture-curable hot melt silicone adhesive compositions including an alkoxy-functional siloxane reactive resin |
WO2015155950A1 (ja) * | 2014-04-09 | 2015-10-15 | 東レ・ダウコーニング株式会社 | 硬化性オルガノポリシロキサン組成物および電気・電子部品の保護剤または接着剤組成物 |
WO2016136245A1 (ja) * | 2015-02-27 | 2016-09-01 | 東レ・ダウコーニング株式会社 | オルガノポリシロキサン、その製造方法、および硬化性シリコーン組成物 |
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KR102311846B1 (ko) | 2021-10-14 |
CN110023446B (zh) | 2021-05-28 |
EP3555223A1 (en) | 2019-10-23 |
WO2018111365A1 (en) | 2018-06-21 |
DE202017107585U1 (de) | 2018-03-16 |
JP6823177B2 (ja) | 2021-01-27 |
US11041101B2 (en) | 2021-06-22 |
US20190292419A1 (en) | 2019-09-26 |
EP3555223B1 (en) | 2021-01-27 |
KR20190087610A (ko) | 2019-07-24 |
CN110023446A (zh) | 2019-07-16 |
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