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PP塑料植絨水性膠水附著力差底涂PP處理劑增強附著性能
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2022/02/21

  植絨在視覺及觸覺上具有很好的應用體驗,主要集中在顏色鮮艷,與人接觸的手感柔和,在功能方面,則是體現在耐摩擦、降噪等方面。一般植絨的工藝主要集中在汽配件等,因此在粘膠行業中,PP塑料表面植絨都需要經過PP處理劑底涂之后,再進行植絨,增強水性環保膠水與絨毛之間的附著結合力。

  為什么在PP料表面進行粘膠時需要首先底涂一層PP處理劑呢?這就要了解PP材料的屬性了,其屬于惰性材質,表面非極性且表面能低,膠水難以在其表面形成有效的牢固度,因此沒有經過PP處理劑底涂后直接植絨會造成植絨脫落的不良現象。

  PP處理劑的特性是通過其形成的膜厚增強對基材表面進行充分有效的潤濕性能,同時也對涂料涂層對膜層的附著,通過中間作用力,使得油漆與基材表面在處理劑的作用下,形成牢固的整體。且PP處理劑主要作用于底材提升分子間作用力及形成化學鍵合增強膠水與PP料的牢固度。在使用時,需要等到前處理工藝時底涂的PP處理劑干燥之后,再進行膠水的涂刷,植絨工藝完成之后即可進行拉力測試等。

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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/5204.html,發布時間:17:03:47,轉載請注明出處。

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