JP5222786B2 - 樹脂成形品の表面処理方法、及びその表面処理後に形成される表面層を有する樹脂成形品の製造方法 - Google Patents
樹脂成形品の表面処理方法、及びその表面処理後に形成される表面層を有する樹脂成形品の製造方法 Download PDFInfo
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Description
本実施例では、樹脂成形品としてポリアセタール樹脂からなる樹脂成形品を用いた。この樹脂成形品は、ポリプラスチック製のジュラコン(商品名)を成形することによって得られたものである。
実施例1と同様にポリアセタール樹脂からなる樹脂成形品を用い、実施例1と同様の条件で酸素プラズマ処理。及びその処理によって導入された水酸基と空気中の水との相互作用による表面改質処理を行った。
本試験例では、樹脂成形品の表面における、ぬれ性評価試験を行った。より具体的には、ポリアセタール樹脂の成形品の表面に酸素プラズマ処理を施し、その処理後の樹脂成形品の表面に水を滴下し、表面上に広がった水の面積(ぬれ面積)を測定した。ポリアセタール樹脂成形品のサンプルは、縦50mm、横50mm、厚さ1mmの平板状のものを用いた。酸素プラズマ処理の放電出力は1kWとし、圧力は0.35Paとし、酸素プラズマ処理時の温度は、30℃で行った。
本試験例では、上記実施例2のようにして得られたポリエステルウレタン系塗料の塗膜の剥離性を確認するために、クロスカット剥離試験を行った。ポリアセタール樹脂成形品のサンプルは、縦50mm、横50mm、厚さ1mmの平板状のものを用い、その表面にポリエステルウレタン系塗料を塗布した。
本試験例では、上記のようにポリエステルウレタン系塗料を塗布したポリアセタール樹脂成形品のサンプルを温水に浸漬した後、上記実施例2と同様のクロスカット剥離試験を行った。クロスカット剥離試験は、実施例2と同様にして行った。
3…金属光沢層 4…ミドルコート層
5…トップコート層
Claims (4)
- 樹脂成形品の表面を、放電出力0.7〜1.5kW、圧力0.2〜0.5Pa、温度20〜40℃、処理時間20〜40分の条件下で酸素を用いてプラズマ処理する酸素プラズマ処理によって前記樹脂成形品の表面に水酸基を導入し、導入された水酸基、及び該水酸基と空気中の水分子との相互作用により前記樹脂成形品の表面に付与される水によって、該樹脂成形品の表面を改質することを特徴とする樹脂成形品の表面処理方法。
- 樹脂成形品の表面を、放電出力0.7〜1.5kW、圧力0.2〜0.5Pa、温度20〜40℃、処理時間20〜40分の条件下で酸素を用いてプラズマ処理する酸素プラズマ処理によって前記樹脂成形品の表面に水酸基を導入し、導入された水酸基、及び該水酸基と空気中の水分子との相互作用により前記樹脂成形品の表面に付与される水によって該樹脂成形品の表面を改質し、改質された樹脂成形品の表面に、水の存在下で表面層を形成しうる素材を塗布して、前記樹脂成形品の表面に表面層を形成することを特徴とする、表面層を有する樹脂成形品の製造方法。
- 水の存在下で表面層を形成しうる素材が、水と反応して重合する樹脂である請求項2記載の表面層を有する樹脂成形品の製造方法。
- 水と反応して重合する樹脂が、イソシアネートを用いた2液性ポリウレタン、又はシアノアクリレートである請求項3記載の表面層を有する樹脂成形品の製造方法。
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JP2011086534A (ja) * | 2009-10-16 | 2011-04-28 | Toshin:Kk | 非水電解質電池又は非水電気二重層コンデンサ用のガスケット |
JP6593635B2 (ja) * | 2014-12-24 | 2019-10-23 | 株式会社ジェイテクト | 樹脂製部材の製造方法 |
EP3401365B1 (en) | 2016-01-04 | 2021-02-17 | Sumitomo Seika Chemicals CO. LTD. | Use of a composition for resin surface roughening |
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JPS61197077A (ja) * | 1985-02-22 | 1986-09-01 | Nippon Steel Corp | ポリオレフイン防食被覆鋼管の鋼管露出面の防食被覆方法 |
JP2745584B2 (ja) * | 1988-11-02 | 1998-04-28 | 凸版印刷株式会社 | 透明バリアーフィルムの製造方法 |
JPH05115835A (ja) * | 1991-10-28 | 1993-05-14 | Toyoda Gosei Co Ltd | 樹脂成形品の表面処理方法 |
JP2002050619A (ja) * | 2000-08-07 | 2002-02-15 | Ulvac Japan Ltd | 多孔質絶縁膜形成装置 |
JP4084558B2 (ja) * | 2001-11-08 | 2008-04-30 | 松下電器産業株式会社 | コーティング膜の製造方法 |
JP2006167507A (ja) * | 2004-12-13 | 2006-06-29 | Plascoat Kk | ポリアセタール樹脂成形品への印刷・塗装方法 |
JP2007210197A (ja) * | 2006-02-09 | 2007-08-23 | Matsushita Electric Ind Co Ltd | 樹脂基体およびその製造方法 |
JP2008073915A (ja) * | 2006-09-20 | 2008-04-03 | Matsushita Electric Ind Co Ltd | 樹脂基体およびその製造方法 |
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