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尼龍表面處理劑增強尼龍+40%玻纖漁具噴UV底漆附著結合力
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2022/01/12
文章出處:

  玻纖增強型尼龍與尼龍材質相比具有更加優良的伸長率、剛性、耐熱性、耐蠕變以及耐疲勞強度等優點。在使用加玻纖尼龍底材的工件中,通過噴漆進行表面裝飾及獲得涂層保護性能時需要注意油漆難附著易掉漆的問題。通過尼龍+40%玻纖漁具配件噴UV底漆案例,探討下尼龍表面處理劑在解決尼龍加玻纖材質噴漆掉漆問題方面的效果。

  案例工藝:

  尼龍加40%玻纖漁具噴UV底漆

  問題現象:

  加玻纖尼龍底材的漁具噴涂UV底漆后,底漆與基材之間的附著結合力不牢靠,出現底漆百格測試掉漆,手指摳涂層邊緣位置起皮。

  解決方案:

  通過添加玻纖增強尼龍屬性的底材,比純尼龍底材表面的極性及表面能更低,難上油出現漆膜附著力不牢固的概率更大。玻纖的添加導致結晶度及分子結構發生變化,因此通過底涂PU解決純尼龍掉漆的方式去解決加玻纖尼龍無法達到需求,還是需要通過底涂尼龍表面處理劑,促進漆膜與基材表面的結合以及分子間作用力和雙向羥基鍵的形成,使得涂層牢固的粘附在尼龍加40%玻纖底材表面,通過百格等附著力相關測試。

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  原創內容作者:炅盛處理劑,原創內容鏈接:http://www.cjieyu.cn/5202.html,發布時間:15:31:52,轉載請注明出處。

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