JP2012015553A - 酸素バリアコーティングを有する電気デバイス - Google Patents
酸素バリアコーティングを有する電気デバイス Download PDFInfo
- Publication number
- JP2012015553A JP2012015553A JP2011226116A JP2011226116A JP2012015553A JP 2012015553 A JP2012015553 A JP 2012015553A JP 2011226116 A JP2011226116 A JP 2011226116A JP 2011226116 A JP2011226116 A JP 2011226116A JP 2012015553 A JP2012015553 A JP 2012015553A
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- JP
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- Prior art keywords
- oxygen barrier
- polyamine
- conductive
- barrier material
- electrical device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000002356 single layer Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 125000001424 substituent group Chemical group 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 229920001897 terpolymer Polymers 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 239000010455 vermiculite Substances 0.000 description 1
- 235000019354 vermiculite Nutrition 0.000 description 1
- 229910052902 vermiculite Inorganic materials 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
- GKXVJHDEWHKBFH-UHFFFAOYSA-N xylylenediamine group Chemical group C=1(C(=CC=CC1)CN)CN GKXVJHDEWHKBFH-UHFFFAOYSA-N 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
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Abstract
【効果】酸素バリア材料により、許容可能なバリア特性を広範な湿度レベルに亘って提供し得る。
【選択図】なし
Description
43体積%(vol%)Ni粉末(インコ・スペシャル・プロダクツ社(Inco Special Products、ニュージャージー州ワイコフ)製のインコ(INCO、商標)255)、47体積%高密度ポリエチレン(HDPE;エクイスター(Equistar、テキサス州ヒューストン)製のペトロセン(PETROTHENE、商標)LB832)、10体積%MgOH2(ロンザ(Lonza、ニュージャージー州フェアローン)製のマグニフィン(MAGNIFIN、商標)H10)、およびポリマー100部当り(php:per hundred polymer)2部のジルコネートカップリング剤(ケンリッチ(Kenrich、ニュージャージー州ベイヨン)製のNZ−33)を混合することによって導電性ポリマー組成物を調製した。この組成物をブラベンダー(Brabender)ミキサーで60rpmにて10分間、180℃の温度で混合した。その後、混合した組成物を0.51mm(0.020インチ)の厚さを有する0.51mm角のプラーク(plaque:基板または板状体)に圧縮成形した。
25体積%カーボンブラック粉末(コロンビアン・ケミカル(Columbian Chemical、ジョージア州マリエッタ)製のレイブン(Raven、商標)430U)、60体積%高密度ポリエチレン(ペトロセン(商標)LB832)、および15体積%MgOH2(キスマ(Kisuma、オランダ国フェーンダム)製の5A)を混合することによって導電性ポリマー組成物を調製した。この組成物をバス(Buss)コンパウンダーで混合し、その後、シート形態に押し出した。
例1で形成したデバイスをロックタイト(Loctite、商標)3981ハイソール(Hysol、商標)エポキシ(ヘンケル・ロックタイト社(Henkel Loctite Corp.、コネチカット州ロッキーヒル)製)でコートした。デバイスを型内に配置し、そしてエポキシ樹脂を型へデバイスの周囲に注ぎ入れた。その後、硬化させるために型をオーブンに入れて125℃で30分間維持し、硬化後、コートしたデバイスを型から外した。コーティング厚さは約300〜350μmであった。
例1で形成したデバイスをベアロケード(BAIROCADE、商標)ビアーグレード(BEER GRADE)ポリアミン−ポリエポキシド(ピーピージー(PPG、ペンシルバニア州スプリングデール)製)でコートした。デバイスにポリアミン−ポリエポキシド前駆体の液体混合物を刷毛塗りし、そしてこれをオーブンに入れて125℃で5分間維持した。刷毛塗りおよびオーブン加熱工程を2回繰り返して、第2および第3の層を適用した。コーティング層の合計厚さは25〜30μmであった。
例1で形成したデバイスを、20重量%の板状型フィラーを含むポリアミン−ポリエポキシドでコートした。コーティング組成物は米国特許第5,840,825号(Carlblomら)の例XVIIIに概略従って調製し、12.5重量%(wt%)のガスカミン(商標)328(三菱ガス化学株式会社製)、7.5重量%のテトラッド(TETRAD、商標)X(三菱ガス化学株式会社製)、71.1重量%の1−メトキシ−2−プロパノール(ダウアノール(DOWANOL、商標)PM(ダウ・ケミカル社(Dow Chemical Co.)製))、4.9重量%のアルミニウムシリカクレイ(エンゲルハード社(Engelhard Corp.)製)および4.0重量%のエチルアセテートを含むものとした。デバイスにこの混合物を刷毛塗りし、そしてこれをオーブンに入れて125℃で5分間維持した。刷毛塗りおよびオーブン加熱工程を2回繰り返して、第2および第3の層を適用した。コーティング層の合計厚さは25〜30μmであった。
例2で形成したデバイスをランバー(RANBAR、商標)ポリエステル(ランバー・テクノロジー(Ranbar Technology;ペンシルバニア州マナー)製)でコートした。デバイスをポリエステル樹脂に浸漬し、室温で乾燥させ、そして硬化させるためにオーブンに入れて125℃で30分間維持した。コーティング層の合計厚さは40〜50μmであった。
例2で形成したデバイスをベアロケード(商標)ビアーグレードポリアミン−ポリエポキシドでコートした。デバイスにポリアミン−ポリエポキシド前駆体の液体混合物を刷毛塗りし、そしてこれをオーブンに入れて125℃で5分間維持した。刷毛塗りおよびオーブン加熱工程を2回繰り返して、第2および第3の層を適用した。コーティング層の合計厚さは25〜30μmであった。
例2で形成したデバイスをランバー(商標)ポリエステルおよびベアロケード(商標)ビアーグレードポリアミン−ポリエポキシドでコートした。デバイスをランバー樹脂に浸漬し、室温で乾燥させ、そして硬化させるためにオーブンに入れて125℃で30分間維持して、約40〜50μm厚さの層を得た。その後、デバイスにポリアミン−ポリエポキシド前駆体の液体混合物を刷毛塗りし、そしてこれをオーブンに入れて125℃で5分間維持した。刷毛塗りおよびオーブン加熱工程を2回繰り返して、第2および第3の層を適用した。ポリアミン−ポリエポキシドコーティング層の合計厚さは25〜30μmであった。
例1および3〜8のデバイスをエージング試験に付した。この試験では、デバイスが抵抗状態にトリップするのに必要な電圧より高い電圧にデバイスを維持した。その後、抵抗を時間に対して測定した。PPTCデバイスは初期抵抗をできるだけ長く維持することが望ましい。例1、3〜5のNi含有デバイスについては印加電圧を12Vとした。例6〜8のカーボンブラック含有デバイスについては印加電圧を60Vとした。
Claims (13)
- 第1電極;
第2電極;
第1および第2電極を隔て、ならびに第1および第2電極と接触していない露出面を有する導電性ポリマー層であって、ポリマーおよび導電性フィラーの混合物を含む導電性ポリマー層;および
導電性ポリマー層の露出面に接し、熱硬化性ポリマー成分を含む熱硬化酸素バリア材料であって、1cc・ミル/100インチ2・atm・day未満の酸素透過定数を有する酸素バリア材料
を含む電気デバイス。 - 酸素バリア材料の酸素透過定数が0.60cc・ミル/100インチ2・atm・day未満、好ましくは0.50cc・ミル/100インチ2・atm・day未満である、請求項1に記載の電気デバイス。
- 酸素バリア材料の酸素透過定数が相対湿度75%の環境下にて1cc・ミル/100インチ2・atm・day未満である、請求項1に記載の電気デバイス。
- 酸素バリア材料が導電性ポリマー層の露出面の少なくとも90%、好ましくは導電性ポリマー層の露出面の少なくとも99%を覆っている、請求項1に記載の電気デバイス。
- デバイスが酸素バリア材料に封入されている、請求項1に記載の電気デバイス。
- 酸素バリア材料がポリアミン−ポリエポキシド材料を含む、請求項1に記載の電気デバイス。
- 酸素バリア材料のポリマー成分の少なくとも65重量%、好ましくは少なくとも80重量%が>N−CH2−アリール−CH2−N<、>N−アリール−N<、−O−アリール−O−、−O(O=)C−アリール−C(=O)O−、−O(O=)C−CH2−アリール−CH2−C(=O)O−および−CH2−CH(OH)−CH2−(式中、−アリール−はフェニレン、ナフチレンおよびアントラセニルからなる群より選択される)からなる群より選択される2つまたはそれ以上の基を含む、請求項1に記載の電気デバイス。
- 式中、−アリール−はメタ−フェニレンおよび2,6−ナフタレンからなる群より選択される、請求項7に記載の電気デバイス。
- 酸素バリア材料が2〜40重量%の板状型フィラーを含む、請求項1に記載の電気デバイス。
- 導電性フィラーがニッケルを含む、請求項1に記載の電気バイス。
- 15ミリオーム未満の抵抗を有する、請求項1に記載の電気デバイス。
- 請求項1〜11のいずれかに記載の電気デバイスを製造する方法であって、
導電性ポリマー層、第1電極および第2電極の積層体であって、導電性ポリマー層がポリマーおよび導電性フィラーの混合物を含み、および積層体が第1および第2電極の間に露出面を有している積層体を形成すること、および
導電性ポリマー層の露出面の少なくとも一部を、熱硬化性ポリマー成分を含む熱硬化酸素バリア材料で覆うこと
を含む方法。 - 露出面の少なくとも一部を覆うことが、第1および第2電極の間の領域の少なくとも一部をポリアミンおよびポリエポキシドの混合物に接触させること、および熱硬化酸素バリアであるポリアミン−ポリエポキシド材料を形成するように混合物を硬化させることを含み、好ましくは、該領域の少なくとも一部をポリアミンおよびポリエポキシドの混合物に接触させることおよびポリアミン−ポリエポキシド材料を形成するように混合物を硬化させることを繰り返すことを更に含む、請求項12に記載の方法。
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JP2014183222A (ja) * | 2013-03-19 | 2014-09-29 | Tyco Electronics Japan Kk | Ptc組成物 |
JP2014207421A (ja) * | 2013-03-19 | 2014-10-30 | タイコエレクトロニクスジャパン合同会社 | Ptc組成物 |
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Also Published As
Publication number | Publication date |
---|---|
TWI381942B (zh) | 2013-01-11 |
JP2006121049A (ja) | 2006-05-11 |
JP4942318B2 (ja) | 2012-05-30 |
US7632373B2 (en) | 2009-12-15 |
TW200624259A (en) | 2006-07-16 |
CN1744792B (zh) | 2011-08-31 |
EP1632960A1 (en) | 2006-03-08 |
KR101215704B1 (ko) | 2013-01-18 |
CN1744792A (zh) | 2006-03-08 |
EP1632960B1 (en) | 2010-12-29 |
US7371459B2 (en) | 2008-05-13 |
US20060051588A1 (en) | 2006-03-09 |
KR20060050958A (ko) | 2006-05-19 |
US20080187649A1 (en) | 2008-08-07 |
DE602005025573D1 (de) | 2011-02-10 |
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