4.結論

觀察到，十六烷基-3-甲基咪(mi)唑氯化銨（CET+[C10min][Cl]）和(he)純(chun)[C10min][Cl]的(de)(de)(de)(de)(de)(de)(de)混(hun)合(he)(he)體(ti)系(xi)中(zhong)，西三(san)胺的(de)(de)(de)(de)(de)(de)(de)cmc值(zhi)(zhi)(zhi)介于(yu)純(chun)[C10min][Cl]和(he)CET之間(jian)。在(zai)(zai)混(hun)合(he)(he)體(ti)系(xi)中(zhong)，cmc值(zhi)(zhi)(zhi)隨著[C10min][Cl]摩爾分(fen)(fen)(fen)數的(de)(de)(de)(de)(de)(de)(de)增(zeng)加(jia)(jia)而增(zeng)加(jia)(jia)，證實其形成(cheng)膠束(shu)的(de)(de)(de)(de)(de)(de)(de)趨勢小于(yu)純(chun)表(biao)(biao)面(mian)活(huo)性(xing)劑分(fen)(fen)(fen)子。cmc值(zhi)(zhi)(zhi)也隨著溶(rong)(rong)液(ye)(ye)中(zhong)DEG體(ti)積(ji)百(bai)分(fen)(fen)(fen)比(bi)的(de)(de)(de)(de)(de)(de)(de)增(zeng)加(jia)(jia)而增(zeng)加(jia)(jia)，這是由于(yu)隨著溶(rong)(rong)劑極性(xing)的(de)(de)(de)(de)(de)(de)(de)降低，表(biao)(biao)面(mian)活(huo)性(xing)劑的(de)(de)(de)(de)(de)(de)(de)疏溶(rong)(rong)劑性(xing)降低。cmc b cmc*、βb 0和(he)（f1和(he)f2）b 1的(de)(de)(de)(de)(de)(de)(de)觀察值(zhi)(zhi)(zhi)清(qing)楚(chu)地(di)表(biao)(biao)明了(le)混(hun)合(he)(he)物(wu)的(de)(de)(de)(de)(de)(de)(de)非(fei)理想行為(wei)，并且(qie)還(huan)表(biao)(biao)明混(hun)合(he)(he)膠束(shu)中(zhong)CET和(he)[C10min][Cl]分(fen)(fen)(fen)子之間(jian)存在(zai)(zai)比(bi)純(chun)組分(fen)(fen)(fen)更強的(de)(de)(de)(de)(de)(de)(de)相(xiang)互作用。純(chun)組分(fen)(fen)(fen)和(he)混(hun)合(he)(he)物(wu)的(de)(de)(de)(de)(de)(de)(de)ΔGm值(zhi)(zhi)(zhi)均為(wei)負(fu)值(zhi)(zhi)(zhi)，表(biao)(biao)明膠束(shu)形成(cheng)是熱(re)力學(xue)自(zi)發(fa)的(de)(de)(de)(de)(de)(de)(de)。ΔGad 0的(de)(de)(de)(de)(de)(de)(de)負(fu)值(zhi)(zhi)(zhi)大于(yu)ΔGm0的(de)(de)(de)(de)(de)(de)(de)負(fu)值(zhi)(zhi)(zhi)表(biao)(biao)明，在(zai)(zai)空(kong)氣(qi)(qi)-溶(rong)(rong)液(ye)(ye)界面(mian)的(de)(de)(de)(de)(de)(de)(de)吸(xi)附比(bi)在(zai)(zai)本體(ti)溶(rong)(rong)液(ye)(ye)中(zhong)形成(cheng)膠束(shu)更有(you)利。由表(biao)(biao)面(mian)張力法計算的(de)(de)(de)(de)(de)(de)(de)Γmax和(he)Amin值(zhi)(zhi)(zhi)對(dui)于(yu)確定表(biao)(biao)面(mian)活(huo)性(xing)劑分(fen)(fen)(fen)子在(zai)(zai)氣(qi)(qi)液(ye)(ye)界面(mian)的(de)(de)(de)(de)(de)(de)(de)排(pai)列非(fei)常有(you)用。Γmax值(zhi)(zhi)(zhi)為(wei)我們提供了(le)關于(yu)液(ye)(ye)/氣(qi)(qi)界面(mian)吸(xi)附效率的(de)(de)(de)(de)(de)(de)(de)信息，該值(zhi)(zhi)(zhi)隨著溶(rong)(rong)液(ye)(ye)中(zhong)DEG體(ti)積(ji)百(bai)分(fen)(fen)(fen)比(bi)的(de)(de)(de)(de)(de)(de)(de)增(zeng)加(jia)(jia)而降低。DEG實際上(shang)在(zai)(zai)界面(mian)上(shang)與混(hun)合(he)(he)表(biao)(biao)面(mian)活(huo)性(xing)劑系(xi)統競(jing)爭，因此減少了(le)其數量，從而降低了(le)吸(xi)附效率。此外(wai)，P的(de)(de)(de)(de)(de)(de)(de)值(zhi)(zhi)(zhi)為(wei)b0。33，表(biao)(biao)明形成(cheng)的(de)(de)(de)(de)(de)(de)(de)膠束(shu)/混(hun)合(he)(he)膠束(shu)本質(zhi)上(shang)是球形的(de)(de)(de)(de)(de)(de)(de)。從紫外(wai)-可(ke)見光譜(pu)可(ke)以(yi)得(de)出結論，[C10min][Cl]與CET形成(cheng)混(hun)合(he)(he)膠束(shu)，這從存在(zai)(zai)和(he)不存在(zai)(zai)[C10min][Cl]時(shi)的(de)(de)(de)(de)(de)(de)(de)cmc值(zhi)(zhi)(zhi)可(ke)以(yi)清(qing)楚(chu)地(di)看出。在(zai)(zai)cmc以(yi)下，大部分(fen)(fen)(fen)離子對(dui)形成(cheng)，但一旦達到cmc，這些離子對(dui)就會轉變為(wei)[C10min][Cl]/CET混(hun)合(he)(he)膠束(shu)和(he)可(ke)溶(rong)(rong)性(xing)染料(liao)分(fen)(fen)(fen)子。

致謝

U.Farooq感謝UGC以BSR（基礎(chu)科學(xue)(xue)(xue)研究）的形式提供獎學(xue)(xue)(xue)金，N.A.Malik感謝化學(xue)(xue)(xue)系(xi)主任、伊斯蘭教理(li)工大(da)學(xue)(xue)(xue)（IIST）、Awantipora、普拉(la)瑪(ma)、J＆K等(deng)提供必要(yao)的設施。

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