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</ul> </div> </div> <table width="980" border="0" align="center" cellpadding="0" cellspacing="0" style="margin-top:15px;"> <tr> <td width="750" height="200" valign="top" class="new_k"><table width="750" border="0" cellpadding="0" cellspacing="0"> <tr> <td width="5%"><img src="/im/gs_t_l2.jpg" width="40" height="28" /></td> <td width="27%" background="/im/gs_t_line.jpg"><strong>技術(shù)知識(shí)</strong></td> <td width="65%" align="right" background="/im/gs_t_line.jpg">您當(dāng)前位置：<a href="/">中凱保溫</a> >> <a href="/html/list_1248.html">新聞中心</a> >> <a href="/html/list_1251.html">技術(shù)知識(shí)</a> >> 瀏覽文章</td> <td width="3%" align="right" background="/im/gs_t_line.jpg"> </td> </tr> </table><div id="gzrjbn1" class="content"> <div id="t6gyv1c" class="newtitle">膨潤(rùn)土為什么叫萬(wàn)能土？</div> <div style="text-align: center;background-color:#F7F7F7">發(fā)布時(shí)間：2022/1/16 18:38:00 來(lái)源：<span id="fc517nv" class="infoCol">本站原創(chuàng)</span> 點(diǎn)擊：<Script Language="Javascript" Src="/item/GetHits.asp?Action=Count&GetFlag=0&m=1&ID=1534"></Script>次 <script type="text/javascript" language="javascript"> function ContentSize(size) {document.getElementById('MyContent').style.fontSize=size+'px';} </script> 字體：<a href="javascript:ContentSize(16)">大</a> <a href="javascript:ContentSize(14)">中</a> <a href="javascript:ContentSize(12)">小</a> </div> <div style="margin-top:20px;"><div class="oaivnkc" id="MyContent"><p style="margin-left:7px"><img src="/UploadFiles/2022-01/2/2022011618545759051.jpg" style="float: left;"/></p><p style="text-indent: 37px;line-height: 33px"><a href="http://www.cozmoshop.com"><span style="text-decoration:underline;"><span style="font-family: 宋體;color: rgb(0, 0, 255);font-size: 19px"><span style="font-family:宋體">膨潤(rùn)土</span></span></span></a><span style="font-family: 宋體;font-size: 19px"><span style="font-family:宋體">之所以又叫</span>“萬(wàn)能土”，是因?yàn)榕驖?rùn)土有較好的膨脹性、粘接性、吸附性、催化活性、觸變性、懸浮性、可塑性、潤(rùn)滑性和陽(yáng)離子交換性等性能 。正因?yàn)橛辛松鲜鲂阅埽驖?rùn)土才可作為粘接劑、吸收劑、填充劑、催化劑、蝕變劑、洗滌劑、穩(wěn)定劑、增稠劑等，故而又稱之為“萬(wàn)能土</span><span style="font-family: 宋體;font-size: 19px"><span style="font-family:宋體">”</span></span><span style="font-family: 宋體;font-size: 19px"><span style="font-family:宋體">。今天就讓信陽(yáng)中凱公司膨潤(rùn)土研發(fā)辦給大家從膨潤(rùn)土的化學(xué)結(jié)構(gòu)來(lái)解釋膨潤(rùn)土為啥具有上述性能。</span></span></p><p style="text-indent:37px;text-autospace:ideograph-numeric;line-height:33px"><span style=";font-family:宋體;font-size:19px"><span style="font-family:宋體">膨潤(rùn)土是一種性能十分優(yōu)良，應(yīng)用范圍較廣的黏土資源。膨潤(rùn)土主要是由</span></span><a href="http://www.cozmoshop.com"><span style="text-decoration:underline;"><span style="font-family: 宋體;color: rgb(0, 0, 255);font-size: 19px"><span style="font-family:宋體">蒙脫石</span></span></span></a><span style=";font-family:宋體;font-size:19px"><span style="font-family:宋體">類礦物組成的粘土。質(zhì)純的膨潤(rùn)土較罕見(jiàn)，大多數(shù)含有不等量的雜質(zhì)，如石英、長(zhǎng)石、云母、沸石、黃鐵礦等。顏色通常為白色，因含有雜質(zhì)，也有淺灰色、乳酪色、淺紅色、肉紅色、磚紅色、褐紅色、黃綠色、黑色、斑雜色等，具強(qiáng)滑感，粘度高，可塑性強(qiáng)。</span></span></p><p style="text-indent:37px;text-autospace:ideograph-numeric;line-height:33px"><span style=";font-family:宋體;font-size:19px"><span style="font-family:宋體">膨潤(rùn)土屬于蒙脫石族粘土。這類粘土的晶體構(gòu)造由兩層硅氧四面體和一層鋁氧八面體構(gòu)成。如圖所示，每個(gè)四面體中都有一個(gè)硅和四個(gè)氧原子以相等的距離堆成四面體形狀，硅居中央。硅氧四面體群排列成六角形的網(wǎng)絡(luò)，無(wú)限重復(fù)，連城整片；鋁氧八面體，鋁居中央，與氧和氫氧距離相等。兩層硅氧四面體中間夾一層鋁氧八面體，在</span>Z軸方向上呈周期性排列。在兩層硅氧四面體中間充滿了nH2O和可交換的陽(yáng)離子。蒙脫石由許多這種單元構(gòu)成，由于這些單元相鄰只有硅氧層，外表沒(méi)有羥鍵，這些單元靠范德華力來(lái)結(jié)合，這種作用力較弱，當(dāng)受到剪切力時(shí)，這種結(jié)合力很容易破壞，因此蒙脫石易于解離，表現(xiàn)為用手捻時(shí)有滑膩感，水分子易于進(jìn)入晶胞層發(fā)生膨脹。</span><strong><span style="font-family: 宋體;font-size: 19px"><span style="font-family:宋體">對(duì)應(yīng)的膨潤(rùn)土就具備了吸水性、防水性、顆粒納米級(jí)等性能。</span></span></strong></p><p style="text-indent:37px;text-autospace:ideograph-numeric;line-height:33px"><span style=";font-family:宋體;font-size:19px"><span style="font-family:宋體">四面體中部分硅離子可被鋁離子取代，八面體中鋁離子可被亞鐵離子、鎂離子、鋅離子等離子取代，使晶層平面上帶負(fù)電。細(xì)顆粒的膨潤(rùn)土帶負(fù)電荷，有</span>85%以上是鋁氧八面體鋁離子被鎂離子等替代所引起的，僅有一小部分是鋁氧離子代替了硅氧四面體中得硅所致。這種永久負(fù)電荷主要分布于層狀結(jié)構(gòu)的板面上，除部分內(nèi)部補(bǔ)償外，主要是被吸附在板面上的陽(yáng)離子（鈣離子、鈉離子等）所平衡。使得黏土顆粒表面能自發(fā)地吸附反電荷離子形成絡(luò)合物或有機(jī)、無(wú)機(jī)復(fù)合物。</span></p><p style="text-autospace:ideograph-numeric;line-height:33px"><strong><span style="font-family: 宋體;font-size: 19px"><span style="font-family:宋體">也正因?yàn)榕驖?rùn)土的雙電層結(jié)構(gòu)，對(duì)應(yīng)膨潤(rùn)土具有</span></span></strong><strong><span style="font-family: 宋體;font-size: 19px"><span style="font-family:宋體">粘接性、吸附性、催化活性、觸變性、懸浮性、可塑性、潤(rùn)滑性和陽(yáng)離子交換性。</span></span></strong></p><p style="text-autospace:ideograph-numeric;line-height:33px"><span style="font-family: 宋體;font-size: 19px"> <span style="font-family:宋體">以上是膨潤(rùn)土作為</span>“</span><a href="http://www.cozmoshop.com"><span style="text-decoration:underline;"><span style="font-family: 宋體;color: rgb(0, 0, 255);font-size: 19px"><span style="font-family:宋體">萬(wàn)能土</span></span></span></a><span style="font-family: 宋體;font-size: 19px"><span style="font-family:宋體">”的本質(zhì)原因，這些性能也為膨潤(rùn)土的開(kāi)發(fā)利用打開(kāi)了非常大的想象空間。其中信陽(yáng)作為中部地區(qū)為數(shù)不多的高品質(zhì)膨潤(rùn)土原產(chǎn)地，其膨潤(rùn)土深加工產(chǎn)品質(zhì)量可靠，價(jià)格便宜，運(yùn)輸方面，歡迎廣大朋友們來(lái)中凱公司洽談合作。</span></span></p><p style="text-indent:37px;text-autospace:ideograph-numeric;line-height:33px"><span style=";font-family:宋體;font-size:19px"> </span></p><p><br/></p></div> </div> <div style="background-color:#F7F7F7;margin-top:15px;padding:10px;">上一條：<a href="/html/xwzx/jszs/1533.html" title="膨脹?；⒅閮?nèi)墻保溫做法詳解">膨脹?；⒅閮?nèi)墻保溫做法詳解</a><br /> 下一條：<a href="/html/xwzx/jszs/1535.html" title="讓中凱告訴您20種常用栽培基質(zhì)配方">讓中凱告訴您20種常用栽培基質(zhì)配方</a> <div> <div style="text-align: right;">【<a href="javascript:window.print();">打印此文</a>】【<a 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