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<p><span>瀏覽次數(shù)：</span>980</p> <div id="fr53v5f" class="product_btn"> <a href="/order.html" class="probtn1" rel="nofollow">在線詢價</a> <a href="/contact.html" class="probtn2" rel="nofollow">聯(lián)系我們</a> </div> </div> </div> <div id="z5hdpzj" class="pro_list"> <div id="xjxbn5j" class="pro_con"> <div id="ljvzzhb" class="pro_gs"> <div id="zljt5rd" class="gs_tit"><h3>產(chǎn)品概述</h3></div> <div id="pnlzjvr" class="gs_text"> <p><strong>化學(xué)反應(yīng)聚丙烯酰胺造價</strong></p><p> 在凈水藥劑產(chǎn)品化學(xué)造價反應(yīng)中，眾多企業(yè)都對產(chǎn)品的化學(xué)反應(yīng)束手無策，河南翔龍環(huán)?？萍加邢薰镜募夹g(shù)人員能夠總結(jié)和研制更高技術(shù)含量的產(chǎn)品，例如聚丙烯酰胺羥甲基化的化學(xué)造價，在堿性條件下，聚丙烯酰胺水溶液與甲醛在40-60℃可生羥甲基化反應(yīng)。聚丙烯酰胺和甲醛的羥甲基化反應(yīng)是在酸性和堿性任何條件下進行的，在堿性條件下（PH值8~10）時反應(yīng)速率很快；而在酸性條件下就進行的非常的緩慢，因為大多數(shù)甲醛都以鏈狀形式存在，大大的減低了其有效的濃度。在高PH值下，反應(yīng)在室溫下也能進行，若加熱到一定的程度100℃以上也可以發(fā)生交聯(lián)反應(yīng)，生產(chǎn)不溶性凝膠，這就是聚丙烯酰胺羥甲基化的化學(xué)反應(yīng)原理。</p><p>聚丙烯酰胺（PAM）分子量高，水溶性好，可調(diào)節(jié)分子量，并可引進各種離子基團以得到特定的性能。<br />低分子量是分散材產(chǎn)有效增稠劑或穩(wěn)定劑，高分子量是重要的絮凝劑，它可以制作出親水而水溶性的凝膠，它對許多團體表面和溶解物質(zhì)有良好的粘附力。由于以上性能PAM廣泛用于絮凝、增稠、減阻、凝膠、粘結(jié)、阻垢等領(lǐng)域。<br />我公司生產(chǎn)的聚丙烯酰胺有陰離子、陽離子、非離子、兩性離子四種類型，它們各自的主要用途在下面我們做分各講解。</p><p><br /> 產(chǎn)品外觀為白色粉末，易溶于水，幾乎不溶于苯，乙醚、酯類、丙酮等一般有機溶劑，其水溶液幾近透明的粘稠液體，屬非危險品，無毒、無腐蝕性，固體PAM有吸濕性，吸濕性隨離子度的增加而增加，PAM熱穩(wěn)定性好；加熱到100℃穩(wěn)定性良好，但在150℃以上時易分解產(chǎn)中氮氣，在分子間發(fā)生亞胺化作用而不溶于水，密度（克）毫升23℃1.302。玻璃化濕度153℃，PAM在應(yīng)力作用下表現(xiàn)出非牛頓流動性。</p><p><strong>化學(xué)反應(yīng)聚丙烯酰胺造價</strong></p><p>聚丙烯酰胺簡介：<br /> 聚丙烯酰胺簡稱ＰＡＭ，俗稱絮凝劑或凝聚劑，是線狀高分子聚合物，分子量在300-2500萬之間，固體產(chǎn)品外觀為白色粉顆，液態(tài)為無色粘稠膠體狀，易溶于水，幾乎不溶于有機溶劑。應(yīng)用時宜在常溫下溶解，溫度超過150℃時易分解。容易吸水，吸水速度隨衍生物離子特性的區(qū)別而不同。屬非危險品、無毒、無腐蝕性.固體PAM有吸濕性、絮凝性、粘合性、降阻性、增稠性、同時穩(wěn)定性好。聚丙烯酰胺分為陰離子聚丙烯酰胺、陽離子聚丙烯酰胺、非離子聚丙烯酰胺、兩性聚丙烯酰胺，廣泛適用于水處理以及冶金、造紙、石油、化工、紡織、制糖、醫(yī)藥、洗煤、選礦等領(lǐng)域<br />聚丙烯酰胺作用原理： ??<br />1）絮凝作用原理：聚丙烯酰胺用于絮凝時，與被絮凝物種類表面性質(zhì)，特別是動電位，粘度、濁度及懸浮液的PH值有關(guān)，顆粒表面的動電位，是顆粒阻聚的原因加入表面電荷相反的PAM，能使動電位降低而凝聚。 ??<br />2）吸附架橋：聚丙烯酰胺分子鏈固定在不同的顆粒表面上，各顆粒之間形成聚合物的橋，使顆粒形成聚集體而沉降。 ??<br />3）表面吸附：聚丙烯酰胺分子上的極性基團顆粒的各種吸附。 ??<br />4）增強作用：聚丙烯酰胺分子鏈與分散相通過種種機械、物理、化學(xué)等作用，將分散相牽連在一起，形成網(wǎng)狀，</p><p>陰離子聚丙烯酰胺</p><p> </p><p> 1、主要用作絮凝劑：對于懸浮顆粒，較粗、濃度高、粒子帶陽電荷，水PH值為中性或堿性的污水，由</p><p>于陰離子聚丙烯酰胺分子鏈中含有一定量極性基能吸附水中懸浮的固體粒子，使粒子間架橋形成大的絮凝物。</p><p>因此它加速懸浮液中的粒子的沉降，有非常明顯的加快溶液的澄清，促進過濾等效果。該產(chǎn)品廣泛用于化學(xué)</p><p>工業(yè)廢水、廢液的處理，市政污水處理。自來水工業(yè)、高濁度水的凈化、沉清、洗煤、選礦、冶金、鋼鐵工</p><p>業(yè)、鋅、鋁加工業(yè)、電子工業(yè)等水處理。</p><p> 2、用于石油工業(yè)、采油、鉆井泥漿、廢泥漿處理、防止水竄、降低摩阻、提高采收率、三次采油得到</p><p>廣泛運用。</p><p> 3、用于紡織上漿劑、漿液性能穩(wěn)定、落漿少、織物斷頭率低、布面光潔。</p><p> 4、用于造紙工業(yè)、一是提高填料、顏料等存留率。以降低原材料的流失和對環(huán)境的污染；二是提高紙</p><p>張的強度（包括干強度和濕強度），另外，使用PAM還可以提高紙抗撕性和多孔性，以改進視覺和印刷性能</p><p>，還用于食品及茶葉包裝紙中。</p><p> 5、其他行業(yè)，食品行業(yè)，用于甘蔗糖、甜菜糖生產(chǎn)中蔗汁澄清及糖漿磷浮法提取。酶制劑發(fā)酵液絮凝</p><p>澄清工業(yè) ，還用于飼料蛋白的回收、質(zhì)量穩(wěn)定、性能好，回收的蛋白fen對雞的成活率提高和增重、產(chǎn)蛋無不</p><p>良影響，合成樹脂涂料，土建灌漿材料堵水，建材工業(yè)、提高水泥質(zhì)量、建筑業(yè)膠粘劑，填縫修復(fù)及堵水劑</p><p>，土壤改良、電鍍工業(yè)、印染工業(yè)等。</p><p> </p><p> </p><p> </p> </div> </div> </div> <link rel="stylesheet" type="text/css" 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