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id="9ffnjvv" class="nymiddlezty"> <div id="fjvzl91" class="mianbao">您現在的位置：<a href="/">首頁(yè)</a> >> <a href="/article.html">技術(shù)文章</a> >> 簡(jiǎn)述D301陰離子交換樹(shù)脂可采用的制備方法</div> <div id="vbpbvrz" class="about_con"> <div id="xrz5fth" class="newstit">簡(jiǎn)述D301陰離子交換樹(shù)脂可采用的制備方法</div> <div id="9d1lth5" class="newstime"> <span id="rddnz5l" class="skim"><em>瀏覽次數：</em>374</span><span id="tdp51r5" class="skimtim"><em>發(fā)布日期：</em>2023-05-26 </span> </div> <div> 　　<a href="http://www.nbzmzs.com/Products-33365699.html" target="_blank">D301陰離子交換樹(shù)脂</a>是廣泛應用于化學(xué)、醫藥、環(huán)境保護及生物技術(shù)等領(lǐng)域的重要功能材料，以下為它的制備方法。</div><div> </div><div>　　1、氨基磺酸法</div><div> </div><div>　　將固體氯化物類(lèi)離子與氨基磺酸通過(guò)化學(xué)反應生成氨基磺酸鹽，并以這種形式載入到聚合物網(wǎng)絡(luò )中制得陰離子交換樹(shù)脂。優(yōu)點(diǎn)是操作簡(jiǎn)單，需2步當量反應即可得到磺化物基團，反應條件溫和，能較好地控制反應程度和選擇性，產(chǎn)品穩定、強度大、效果持久。</div><div> </div><div>　　2、苯乙烯-DVB共聚物接枝法</div><div> </div><div>　　由苯乙烯（St）、二乙烯苯（DVB）等單體組成的共聚物作為載體，反應參數如單體濃度、反應時(shí)間、反應溫度等影響交聯(lián)骨架的形態(tài)結構和孔結構大小，從而達到對離子的分離捕集。優(yōu)點(diǎn)是制備方法簡(jiǎn)便，結構篩選范圍大，具有高穩定度、重復使用壽命長(cháng)、易于再生等特點(diǎn)。</div><div> </div><div>　　3、反相乳液法</div><div> </div><div>　　對叔丁苯進(jìn)行氧化反應，將其作為一種乳化劑，同時(shí)加入甲基丙烯酸甲酯（MMA）、甲基丙烯酸羥乙酯（HEMA）和交聯(lián)劑甲基二硫代苯磺酰亞胺（MBA），通過(guò)自由基聚合反應制備陰離子交換樹(shù)脂。此法的特點(diǎn)在于乳化體系中生成的反相微粒具有結構均勻、孔徑可控的優(yōu)點(diǎn)，可以保證產(chǎn)品性能一定的一致性和規則性。</div><div> </div><div>　　4、二元反應水解法</div><div> </div><div>　　首先以丙烯酸在堿催化下與某幾種固體胺類(lèi)陽(yáng)離子或官能團直接反應制得聚丙烯酸膠體，在經(jīng)過(guò)水解反應后得到陰離子交換樹(shù)脂。此法具有操作簡(jiǎn)單，原料成本低，且無(wú)需采用多步反應合成方法等優(yōu)勢。</div><div> </div><div>　　隨著(zhù)科學(xué)技術(shù)的發(fā)展，D301陰離子交換樹(shù)脂的用途越來(lái)越廣泛，其制備方法也不斷更新。根據實(shí)際需要，人們可以選擇適合自己的方法進(jìn)行制備。</div> <div class="fd5lth5" id="news_sx"><li id="rbxrh5l" class="sx_left">上一篇：<a href="/Article-3373823.html">如何提高大孔陰離子交換樹(shù)脂的再生質(zhì)量</a> <br />下一篇：<a href="/Article-3361818.html">變色陽(yáng)離子交換樹(shù)脂的交換容量分析說(shuō)明</a></li></div> </div> 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