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href="/article.html">技術(shù)支持</a>><span>高分子聚丙烯酰胺的特性總結(jié)有以下四種</span> <span id="mmaq2ge" class="column">技術(shù)文章</span> </div> <div id="0gm0moo" class="page"> <div id="ki0e0wk" class="t_950_1">  <div id="eek0gqa" class="page"> <div id="iw0aemm" class="t_950_1">  <div id="u0wok8e" class="pro">  <div id="oeuque8" class="news_con"> <h1>高分子聚丙烯酰胺的特性總結(jié)有以下四種</h1> <div id="emceiwu" class="time">點(diǎn)擊次數(shù)：970 更新時(shí)間：2022-03-17</div> <div id="oyouuqo" class="news_wz"><div>　　<strong><a href="http://" target="_blank">高分子聚丙烯酰胺</a></strong>是一種性能優(yōu)良的絮凝劑，相比于其它的絮凝劑來(lái)說(shuō)，絮凝效果通常都是較好的。</div><div>　　高分子聚丙烯酰胺是丙烯酰胺均聚物或與其他單體共聚而得聚合物的統(tǒng)稱，是水溶性高分子中應(yīng)用較為廣泛的品種之一。由于它的結(jié)構(gòu)單元中含有酰胺基、易形成氫鍵、使其具有良好的水溶性和很高的化學(xué)活性，易通過(guò)接枝或交聯(lián)得到支鏈或網(wǎng)狀結(jié)構(gòu)的多種改性物該廢水的來(lái)源包括冷卻水、冶煉礦渣水、煙氣制酸廢水、冶煉過(guò)程中的洗滌水和雨水等。</div><div>　　高分子聚丙烯酰胺具有以下這四種特性：</div><div>　　1、絮凝性：能使懸浮物質(zhì)通過(guò)電中和,架橋吸附作用，起絮凝作用；</div><div>　　2、粘合性：能通過(guò)機(jī)械的、物理的、化學(xué)的作用，起粘合作用；</div><div>　　3、降阻性：能有效地降低流體的摩擦阻力，水中加入一點(diǎn)就能降阻50—80%；</div><div>　　4、增稠性：在中性和酸條件下均有增稠作用，當(dāng)PH值在10以上PAM易水解，呈半網(wǎng)狀結(jié)構(gòu)時(shí)，增稠將更明顯；</div><div>　　高分子聚丙烯酰胺基于以上四種特性，它能廣泛應(yīng)用于絮凝、增稠、減阻、凝膠、粘結(jié)、阻垢等領(lǐng)域，由于聚丙烯酰胺具有很好的水溶性，可調(diào)節(jié)分子量并可以引進(jìn)各種離子基團(tuán)以得到特定的性能，低分子量時(shí)是分散材料的有效增稠劑或穩(wěn)定劑，高分子量時(shí)則是重要的絮凝劑，它可以制作出親水而水不溶性的凝膠，它對(duì)許多固體表面和溶解物質(zhì)有良好的粘附力。</div><div>　　和它的分子鏈以及許多其它的因素有很大的關(guān)系，它可以具備如此強(qiáng)大的絮凝能力。使用絮凝沉淀法處理淀粉廢水，具有占地面積小、投資少、適應(yīng)性強(qiáng)、操作簡(jiǎn)單、處理效率高、可調(diào)控空間大、對(duì)處理環(huán)境的要求小等特定。具有高度穩(wěn)定性，能使懸浮物質(zhì)通過(guò)電中和，架橋吸附作用，起絮凝作用。其粘合性能通過(guò)機(jī)械的、物理的、化學(xué)的作用，起粘合作用。能有效地降低流體的摩擦阻力，水中加入微量PAM就能降阻50-80%。</div></div> 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