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表面活性劑在工業生產中起著舉足輕重的作用

2017-01-03 00:00:00
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綠色表面活性劑是由(you)天(tian)然(ran)的(de)(de)(de)(de)或(huo)可再生資源加工而成的(de)(de)(de)(de),即具(ju)(ju)有(you)天(tian)然(ran)性(xing)、溫和性(xing)、刺激性(xing)小等優(you)良(liang)特點。同傳(chuan)統表(biao)面(mian)活(huo)性(xing)劑(ji)一樣,綠(lv)色表(biao)面(mian)活(huo)性(xing)劑(ji)具(ju)(ju)有(you)親水基(ji)和憎水基(ji)。與傳(chuan)統的(de)(de)(de)(de)表(biao)面(mian)活(huo)性(xing)劑(ji)相(xiang)比(bi),綠(lv)色表(biao)面(mian)活(huo)性(xing)劑(ji)具(ju)(ju)有(you)高效強(qiang)力去污性(xing)、優(you)良(liang)的(de)(de)(de)(de)配伍性(xing)及良(liang)好的(de)(de)(de)(de)環境相(xiang)容性(xing),并(bing)表(biao)現出良(liang)好的(de)(de)(de)(de)乳化性(xing)、洗滌(di)性(xing)、增溶(rong)型(xing)、潤濕性(xing)、溶(rong)解(jie)性(xing)和穩定性(xing)等。除(chu)此之外,每(mei)一種表(biao)面(mian)活(huo)性(xing)劑(ji)都(dou)有(you)其特有(you)的(de)(de)(de)(de)性(xing)能,因(yin)此備受(shou)廣(guang)大科學工作者(zhe)的(de)(de)(de)(de)親睞。

表面(mian)活性(xing)(xing)(xing)劑(ji)在(zai)工(gong)業(ye)生(sheng)(sheng)產(chan)中起著舉足(zu)輕重的(de)作(zuo)用,被人(ren)們(men)形象地稱為“工(gong)業(ye)味精”。表面(mian)活性(xing)(xing)(xing)劑(ji)在(zai)生(sheng)(sheng)產(chan)和使(shi)用的(de)過程(cheng)中隊人(ren)體及(ji)(ji)環境生(sheng)(sheng)態系統造成了(le)嚴(yan)重的(de)危害。在(zai)洗(xi)滌(di)劑(ji)中加入一(yi)定(ding)量的(de)表面(mian)活性(xing)(xing)(xing)劑(ji)溶劑(ji)可(ke)以增(zeng)強洗(xi)滌(di)劑(ji)的(de)溶解性(xing)(xing)(xing)和洗(xi)滌(di)性(xing)(xing)(xing),但由于這(zhe)些溶劑(ji)具有一(yi)定(ding)的(de)毒性(xing)(xing)(xing),會對(dui)皮膚產(chan)生(sheng)(sheng)明(ming)顯的(de)刺激(ji)作(zuo)用。為了(le)滿足(zu)人(ren)們(men)日(ri)益增(zeng)強的(de)保(bao)(bao)健(jian)需求(qiu),確保(bao)(bao)人(ren)類(lei)生(sheng)(sheng)存環境的(de)可(ke)持續(xu)發(fa)展,開發(fa)對(dui)人(ren)體盡可(ke)能無(wu)毒無(wu)害及(ji)(ji)對(dui)生(sheng)(sheng)態環境無(wu)污(wu)染的(de)綠色(se)表面(mian)活性(xing)(xing)(xing)劑(ji)勢在(zai)必行(xing)。


表面活性劑價格


生(sheng)(sheng)物(wu)(wu)(wu)表面(mian)(mian)(mian)活(huo)(huo)(huo)(huo)性(xing)(xing)(xing)(xing)劑(ji)(ji)(biosurfactant)是微生(sheng)(sheng)物(wu)(wu)(wu)在(zai)代謝過程中(zhong)分泌出的(de)(de)(de)(de)具(ju)有一定(ding)生(sheng)(sheng)物(wu)(wu)(wu)活(huo)(huo)(huo)(huo)性(xing)(xing)(xing)(xing)的(de)(de)(de)(de)次級代謝產(chan)物(wu)(wu)(wu)。與常規表面(mian)(mian)(mian)活(huo)(huo)(huo)(huo)性(xing)(xing)(xing)(xing)劑(ji)(ji)相同,生(sheng)(sheng)物(wu)(wu)(wu)表面(mian)(mian)(mian)活(huo)(huo)(huo)(huo)性(xing)(xing)(xing)(xing)劑(ji)(ji)由(you)親水基(ji)和憎水基(ji)兩部分組成,但生(sheng)(sheng)物(wu)(wu)(wu)表面(mian)(mian)(mian)活(huo)(huo)(huo)(huo)性(xing)(xing)(xing)(xing)劑(ji)(ji)比(bi)合(he)成表面(mian)(mian)(mian)活(huo)(huo)(huo)(huo)性(xing)(xing)(xing)(xing)劑(ji)(ji)更(geng)具(ju)有潛(qian)(qian)在(zai)的(de)(de)(de)(de)優勢:①可(ke)生(sheng)(sheng)物(wu)(wu)(wu)降解(jie),無毒(du)或低毒(du),具(ju)有良(liang)好的(de)(de)(de)(de)環境相容性(xing)(xing)(xing)(xing);②可(ke)用工(gong)業(ye)廢(fei)物(wu)(wu)(wu)生(sheng)(sheng)產(chan),以(yi)減少(shao)工(gong)業(ye)三廢(fei);③具(ju)有更(geng)高(gao)的(de)(de)(de)(de)起(qi)泡(pao)性(xing)(xing)(xing)(xing),在(zai)某些苛刻條件(jian)(如極端溫度(du)、pH、鹽濃度(du))下具(ju)有更(geng)高(gao)的(de)(de)(de)(de)選擇性(xing)(xing)(xing)(xing)和專一性(xing)(xing)(xing)(xing);④結(jie)構多(duo)(duo)種(zhong)多(duo)(duo)樣,可(ke)適用于特殊(shu)領域(yu)(yu)。目前生(sheng)(sheng)物(wu)(wu)(wu)表面(mian)(mian)(mian)活(huo)(huo)(huo)(huo)性(xing)(xing)(xing)(xing)劑(ji)(ji)的(de)(de)(de)(de)應用已經涉及到石(shi)油、化工(gong)以(yi)及環境等眾多(duo)(duo)領域(yu)(yu)。  最初(chu)人們對(dui)生(sheng)(sheng)物(wu)(wu)(wu)表面(mian)(mian)(mian)活(huo)(huo)(huo)(huo)性(xing)(xing)(xing)(xing)劑(ji)(ji)感興趣(qu),主(zhu)要(yao)是由(you)于其具(ju)有高(gao)效、低毒(du)、無污染,可(ke)替(ti)代化學表面(mian)(mian)(mian)活(huo)(huo)(huo)(huo)性(xing)(xing)(xing)(xing)劑(ji)(ji)等優點。近年來研(yan)究(jiu)發現,生(sheng)(sheng)物(wu)(wu)(wu)表面(mian)(mian)(mian)活(huo)(huo)(huo)(huo)性(xing)(xing)(xing)(xing)劑(ji)(ji)除具(ju)有表面(mian)(mian)(mian)活(huo)(huo)(huo)(huo)性(xing)(xing)(xing)(xing)的(de)(de)(de)(de)功(gong)能(neng)外,還(huan)(huan)具(ju)有潛(qian)(qian)在(zai)的(de)(de)(de)(de)抗(kang)菌活(huo)(huo)(huo)(huo)性(xing)(xing)(xing)(xing),包(bao)括抗(kang)真菌、抗(kang)細菌、抗(kang)支(zhi)原體和抗(kang)病毒(du)等活(huo)(huo)(huo)(huo)性(xing)(xing)(xing)(xing),此(ci)外還(huan)(huan)可(ke)用在(zai)免疫調節分子、粘合(he)劑(ji)(ji)、疫苗及基(ji)因治療等方面(mian)(mian)(mian)。


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