JP7284136B2 - 防食材、端子付き電線及びワイヤーハーネス - Google Patents
防食材、端子付き電線及びワイヤーハーネス Download PDFInfo
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- JP7284136B2 JP7284136B2 JP2020180506A JP2020180506A JP7284136B2 JP 7284136 B2 JP7284136 B2 JP 7284136B2 JP 2020180506 A JP2020180506 A JP 2020180506A JP 2020180506 A JP2020180506 A JP 2020180506A JP 7284136 B2 JP7284136 B2 JP 7284136B2
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- PUGOMSLRUSTQGV-UHFFFAOYSA-N 2,3-di(prop-2-enoyloxy)propyl prop-2-enoate Chemical class C=CC(=O)OCC(OC(=O)C=C)COC(=O)C=C PUGOMSLRUSTQGV-UHFFFAOYSA-N 0.000 description 2
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- BNAFKNQBXIKNDQ-UHFFFAOYSA-N cyclohexanecarboxylate;dicyclohexylazanium Chemical compound [O-]C(=O)C1CCCCC1.C1CCCCC1[NH2+]C1CCCCC1 BNAFKNQBXIKNDQ-UHFFFAOYSA-N 0.000 description 1
- CIFYUXXXOJJPOL-UHFFFAOYSA-N cyclohexylazanium;benzoate Chemical compound [NH3+]C1CCCCC1.[O-]C(=O)C1=CC=CC=C1 CIFYUXXXOJJPOL-UHFFFAOYSA-N 0.000 description 1
- FWLDHHJLVGRRHD-UHFFFAOYSA-N decyl prop-2-enoate Chemical compound CCCCCCCCCCOC(=O)C=C FWLDHHJLVGRRHD-UHFFFAOYSA-N 0.000 description 1
- 239000002274 desiccant Substances 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- XBPCUCUWBYBCDP-UHFFFAOYSA-O dicyclohexylazanium Chemical compound C1CCCCC1[NH2+]C1CCCCC1 XBPCUCUWBYBCDP-UHFFFAOYSA-O 0.000 description 1
- ZFAKTZXUUNBLEB-UHFFFAOYSA-N dicyclohexylazanium;nitrite Chemical compound [O-]N=O.C1CCCCC1[NH2+]C1CCCCC1 ZFAKTZXUUNBLEB-UHFFFAOYSA-N 0.000 description 1
- CYYRAVBQFCQGFE-UHFFFAOYSA-N dicyclohexylazanium;prop-2-enoate Chemical compound [O-]C(=O)C=C.C1CCCCC1[NH2+]C1CCCCC1 CYYRAVBQFCQGFE-UHFFFAOYSA-N 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- UAOMVDZJSHZZME-UHFFFAOYSA-N diisopropylamine Chemical compound CC(C)NC(C)C UAOMVDZJSHZZME-UHFFFAOYSA-N 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229920001038 ethylene copolymer Polymers 0.000 description 1
- STVZJERGLQHEKB-UHFFFAOYSA-N ethylene glycol dimethacrylate Substances CC(=C)C(=O)OCCOC(=O)C(C)=C STVZJERGLQHEKB-UHFFFAOYSA-N 0.000 description 1
- 230000005281 excited state Effects 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
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- 230000008595 infiltration Effects 0.000 description 1
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- 238000005259 measurement Methods 0.000 description 1
- 229910001507 metal halide Inorganic materials 0.000 description 1
- 150000005309 metal halides Chemical class 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- YSVJDJBOLBXSIT-UHFFFAOYSA-N methanol prop-2-enoic acid Chemical compound OC.OC(=O)C=C.OC(=O)C=C YSVJDJBOLBXSIT-UHFFFAOYSA-N 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- PDDANVVLWYOEPS-UHFFFAOYSA-N nitrous acid;n-propan-2-ylpropan-2-amine Chemical compound [O-]N=O.CC(C)[NH2+]C(C)C PDDANVVLWYOEPS-UHFFFAOYSA-N 0.000 description 1
- HMZGPNHSPWNGEP-UHFFFAOYSA-N octadecyl 2-methylprop-2-enoate Chemical compound CCCCCCCCCCCCCCCCCCOC(=O)C(C)=C HMZGPNHSPWNGEP-UHFFFAOYSA-N 0.000 description 1
- OTLDLKLSNZMTTA-UHFFFAOYSA-N octahydro-1h-4,7-methanoindene-1,5-diyldimethanol Chemical compound C1C2C3C(CO)CCC3C1C(CO)C2 OTLDLKLSNZMTTA-UHFFFAOYSA-N 0.000 description 1
- 125000002347 octyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000000951 phenoxy group Chemical group [H]C1=C([H])C([H])=C(O*)C([H])=C1[H] 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
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- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
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- YRHRIQCWCFGUEQ-UHFFFAOYSA-N thioxanthen-9-one Chemical compound C1=CC=C2C(=O)C3=CC=CC=C3SC2=C1 YRHRIQCWCFGUEQ-UHFFFAOYSA-N 0.000 description 1
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Description
本実施形態に係る防食材は、異なる金属部材からなる接合部を被覆して腐食原因物質が浸入することを抑制し、当該接合部における腐食を長期に亘り防止するものである。そして、本実施形態の防食材は、紫外線硬化型樹脂と防錆剤とを含有するものである。
次に、本実施形態に係る端子付き電線について説明する。図1から図3に示すように、本実施形態の端子付き電線1は、導電性の導体11及び導体11を覆う電線被覆材12を有する電線10と、電線10の導体11に接続する金属端子20とを備える。さらに、端子付き電線1は、導体11と金属端子20との接合部を覆い、かつ、上述の防食材が硬化してなる封止材30を備える。
次に、本実施形態に係るワイヤーハーネスについて説明する。本実施形態のワイヤーハーネスは、上述の端子付き電線を備える。具体的には、ワイヤーハーネス2は、図4に示すように、コネクタハウジング50と、上述の端子付き電線1とを備えるものである。
参考実施例及び参考比較例の端子付き電線を製造するに際し、オリゴマー、モノマー及び光重合開始剤として、以下の化合物を用いた。
・オリゴマー1:ダイセル・オルネクス株式会社製EBECRYL(登録商標) 8402(脂肪族ウレタンアクリレート)、平均分子量Mw:1000
・オリゴマー2:ダイセル・オルネクス株式会社製EBECRYL 4858(脂肪族ウレタンアクリレート)、平均分子量Mw:450
・単官能モノマー:ダイセル・オルネクス株式会社製IBOA(イソボルニルアクリレート)
・2官能モノマー:ダイセル・オルネクス株式会社製TPGDA(トリプロピレングリコールジアクリレート)
・3官能モノマー1:ダイセル・オルネクス株式会社製PETRA(ペンタエリスリトールトリアクリレート)
・3官能モノマー2:ダイセル・オルネクス株式会社製TMPTA(トリメチロールプロパントリアクリレート)
・多官能モノマー:ダイセル・オルネクス株式会社製EBECRYL 140(ジトリメチロールプロパンテトラアクリレート)
・光重合開始剤:BASF社製IRGACURE(登録商標) 369
まず、防食材として、100質量部のオリゴマー1に対して、単官能モノマー、2官能モノマー及び光重合開始剤をそれぞれ質量比で90、10、2の割合で混合した。
防食材として、100質量部のオリゴマー1に対して、単官能モノマー、2官能モノマー、3官能モノマー1、多官能モノマー及び光重合開始剤をそれぞれ質量比で20、5、5、5、2の割合で混合した。これ以外は参考実施例1と同様にして、本例の端子付き電線を得た。
防食材として、100質量部のオリゴマー1に対して、単官能モノマー、2官能モノマー、3官能モノマー1及び光重合開始剤をそれぞれ質量比で3、3、3、2の割合で混合した。これ以外は参考実施例1と同様にして、本例の端子付き電線を得た。
防食材として、100質量部のオリゴマー1に対して、単官能モノマー、2官能モノマー、多官能モノマー及び光重合開始剤をそれぞれ質量比で30、5、5、2の割合で混合した。これ以外は参考実施例1と同様にして、本例の端子付き電線を得た。
防食材として、100質量部のオリゴマー1に対して、単官能モノマー、3官能モノマー1及び光重合開始剤をそれぞれ質量比で20、5、2の割合で混合した。これ以外は参考実施例1と同様にして、本例の端子付き電線を得た。
防食材として、100質量部のオリゴマー1に対して、2官能モノマー、多官能モノマー及び光重合開始剤をそれぞれ質量比で5、5、2の割合で混合した。これ以外は参考実施例1と同様にして、本例の端子付き電線を得た。
防食材として、100質量部のオリゴマー1に対して、単官能モノマー及び光重合開始剤をそれぞれ質量比で100、2の割合で混合した。これ以外は参考実施例1と同様にして、本例の端子付き電線を得た。
防食材として、100質量部のオリゴマー1に対して、2官能モノマー及び光重合開始剤をそれぞれ質量比で65、2の割合で混合した。これ以外は参考実施例1と同様にして、本例の端子付き電線を得た。
防食材として、100質量部のオリゴマー1に対して、3官能モノマー及び光重合開始剤をそれぞれ質量比で45、2の割合で混合した。これ以外は参考実施例1と同様にして、本例の端子付き電線を得た。
防食材として、100質量部のオリゴマー2に対して、多官能モノマー及び光重合開始剤をそれぞれ質量比で5、2の割合で混合した。これ以外は参考実施例1と同様にして、本例の端子付き電線を得た。
防食材として、100質量部のオリゴマー1に対して、3官能モノマー、多官能モノマー及び光重合開始剤をそれぞれ質量比で5、5、2の割合で混合した。これ以外は参考実施例1と同様にして、本例の端子付き電線を得た。
参考実施例及び参考比較例で調製した防食材の、25℃における粘度を、JIS Z8803に準拠して測定した。粘度はB型回転粘度計(TH-10H)により50rpmで測定された。
参考実施例及び参考比較例で得られた端子付き電線の防食性能を、日本工業規格JIS C60068-2-11(環境試験方法(電気・電子)塩水噴霧試験方法)に規定された測定法に基づいて評価した。すなわち、各例の端子付き電線の導体と金属端子との接合部に、塩水噴霧試験を行った。より詳細には、温度が35±2℃、相対湿度(RH)が85%以上、塩水濃度が5±1%、実施期間が4日間の条件で試験を行った。その後、各例の接合部に腐食(錆)が発生しているか否かを目視で判定した。腐食が認められなかったものを「○」と評価し、腐食が認められたものを「×」と評価した。
各例の端子付き電線を、コネクタハウジングに挿入した。コネクタハウジング挿入時に、キャビティの周壁に封止材が接触したか否かを目視で判定した。封止材がキャビティの周壁に接触しない場合を「○」と評価し、接触した場合を「×」と評価した。なお、この評価において、電線はALVSS 2sqを使用し、コネクタハウジングは2.3IIコネクタを使用した。
実施例及び比較例の防食材を製造するに際し、オリゴマー、モノマー、防錆剤及び光重合開始剤として、以下の化合物を用いた。
・オリゴマー:ダイセル・オルネクス株式会社製EBECRYL 8402、平均分子量Mw:1000
・単官能モノマー:ダイセル・オルネクス株式会社製IBOA
・2官能モノマー:ダイセル・オルネクス株式会社製TPGDA
・防錆剤1:東京化成工業株式会社製、B0094(BTA(1,2,3-ベンゾトリアゾール))
・防錆材2:日産化学株式会社製、スターファイン(登録商標)、シアヌル酸亜鉛
・光重合開始剤:BASF社製IRGACURE(登録商標) 369
表3に示す割合で、オリゴマー、単官能モノマー、2官能モノマー、防錆剤及び光重合開始剤を混合することにより、実施例1~11及び比較例1~3の防食材を調製した。
調製した防食材をSnめっき銅板に塗布して硬化した試験サンプルを準備した。その試験サンプルに対して、JIS K 6854-3(1999年)に準拠して、引張試験機を用いて、引張速度:100mm/minの条件でT型剥離させ剥離接着力を測定した。剥離接着力が2.5N/mm以上の場合を合格とし、それ未満の場合を不合格とした。
上記参考例と同様にして防食性を評価した。
2 ワイヤーハーネス
10 電線
11 導体
12 電線被覆材
20 金属端子
30 封止材
Claims (4)
- 光重合性(メタ)アクリレートモノマー及び光重合性(メタ)アクリレートオリゴマーの少なくとも一方からなる重合性化合物を主成分とする紫外線硬化型樹脂と、防錆剤とを含み、
前記重合性化合物は、単官能(メタ)アクリレートモノマー及び2官能(メタ)アクリレートモノマーを併用してなるか、又は単官能(メタ)アクリレートモノマー及び2官能(メタ)アクリレートモノマーの少なくとも一方と、3官能(メタ)アクリレートモノマー及び4官能以上の多官能(メタ)アクリレートモノマーの少なくとも一方とを併用してなり、
前記光重合性(メタ)アクリレートオリゴマーは、芳香族ウレタンアクリレート、脂肪族ウレタンアクリレート、ポリエステルアクリレート、又はエポキシアクリレートであり、
前記防錆剤は、シアヌル酸亜鉛であり、前記紫外線硬化型樹脂100質量部に対して0.05~0.5質量部含み、
JIS Z8803に準拠して測定される25℃での粘度が18900mPa・s以下である、防食材。 - 導体及び前記導体を覆う電線被覆材を有する電線と、
前記電線の導体に接続する金属端子と、
前記導体と前記金属端子との接合部を覆い、かつ、請求項1に記載の防食材が硬化してなる封止材と、
を備える、端子付き電線。 - 前記導体は、アルミニウム又はアルミニウム合金よりなる素線を有し、
前記金属端子は、銅又は銅合金を含有する、請求項2に記載の端子付き電線。 - 請求項2又は3に記載の端子付き電線を備える、ワイヤーハーネス。
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