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溫度對聚丙烯酰胺pam粘度的影響

2022-04-15 10:44:58

聚丙烯酰胺pam

      聚丙烯酰胺pam型號,聚丙烯酰胺pam的各種指標基本不同。通常,我們更關心和容易區分的是它的粘度。大多數人認為它的粘度越高越好。是這樣嗎?讓我們詳細分析一下。

       聚丙烯酰胺pam溶液的粘度主要反映了流動或相對運動引起的液體分子之間的內摩擦阻力。內摩擦阻力與聚合物結構、溶劑性質、溶液濃度、溫度和壓力有關。聚丙烯酰胺pam根據離子類型分為陽離子、陰離子和非離子,相對而言,離子聚丙烯酰胺pam粘度大于陽離子,在實際使用中,根據污水、壓泥設備和污水處理工藝選擇合適的藥物,但今天我分析了影子溫度對聚丙烯酰胺pam粘度的影響。

    溫度是分子隨機熱運動強度的反映。分子運動須克服分子間力和分子間力的作用,如分子間氫鍵、內耗、擴散、分子鏈取向、纏結等。它直接影響粘度,因此聚合物溶液的粘度會隨溫度而變化。溫度變化對聚合物溶液的粘度有顯著影響。隨著溫度的升高,聚丙烯酰胺pam溶液的粘度降低。原因是聚合物溶液的分散相顆粒相互纏結,形成具有網絡結構的聚合物。溫度越高,網絡結構越容易損壞,粘度越低。


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