烷基丙撐二胺衍生物的合成及性能研究
發(fā)布時(shí)間：2019-05-01 06:33
【摘要】：本論文以椰油基丙撐二胺為原料與環(huán)氧乙烷反應(yīng),引入羥乙基基團(tuán),生成椰油基-三羥乙基-丙撐二胺,然后分別對(duì)其進(jìn)行氧化與季銨化合成出了兩種含羥乙基基團(tuán)的產(chǎn)品,研究了其在界面及溶液中的吸附行為,探究了其相關(guān)的應(yīng)用性能。主體內(nèi)容包含以下四個(gè)部分:1.烷基丙撐二胺衍生物的合成及表征。合成出兩種產(chǎn)品N,N-椰油基-羥乙基-N',N'-二羥乙基-丙撐雙氧化胺(CTPDAO)與N,N, N-椰油基-羥乙基-甲基-N',N',N'-二羥乙基-甲基-丙撐雙氯化銨(CTHDAC),并分別使用紅外以及核磁對(duì)其進(jìn)行了表征,證明合成的產(chǎn)物確為目標(biāo)產(chǎn)物。2.烷基丙撐二胺衍生物的界面吸附行為。通過對(duì)兩種衍生物的平衡表面張力以及動(dòng)態(tài)接觸角的測(cè)量,發(fā)現(xiàn)兩者都有著較高的表面活性以及極強(qiáng)的親水性,與相似碳鏈的十二烷基二甲基氧化鉸(DDMAO)與十二烷基三甲基氯化銨(DTAC)相比,有著明顯的優(yōu)勢(shì)。但是兩者在接觸角的測(cè)試中表現(xiàn)都不理想。通過對(duì)其表面參數(shù)的分析可知,CTPDAO與CTHDAC分子在氣液界面排布疏松,擁有較大的親水區(qū)域面積,同時(shí)吸附的過程自發(fā)且迅速。3.烷基丙撐二胺衍生物在水溶液中的聚集行為。測(cè)試了 CTHDAC在水溶液狀態(tài)下的聚集行為,使用電導(dǎo)率法、熱力學(xué)分析、穩(wěn)態(tài)熒光光譜法、粒徑分析儀以及TEM電鏡等方法對(duì)其進(jìn)行了研究。結(jié)果表明CTHDAC分子在水溶液中可自發(fā)迅速的形成聚集體,但由于親水頭基較大以及親水基團(tuán)間相互排斥的作用,使得分子在形成聚集體時(shí)粒徑較大,大約在200 nm。形成單個(gè)聚集體所需的聚集數(shù)為35,比DTAC要小,當(dāng)CTHDAC在水溶液中濃度超過CMC時(shí),呈現(xiàn)出疏松排列的球形聚集體。4.烷基丙撐二胺衍生物的應(yīng)用及復(fù)配性能。對(duì)兩種衍生物CTPDAO與CTHDAC的應(yīng)用性能進(jìn)行了探究,測(cè)試了其潤(rùn)濕,乳化,增稠,去污等性能。結(jié)果表明,CTPDAO與CTHDAC的潤(rùn)濕性很差,與接觸角的測(cè)量結(jié)果相一致,同時(shí)兩種物質(zhì)對(duì)大豆油以及液體石蠟都有著良好的乳化能力。CTPDAO對(duì)直鏈烷基苯磺酸鈉(LAS)的增稠效果明顯,是一種優(yōu)良的增稠劑。至于去污性能,CTHDAC去污效果顯著,去污效果略好于標(biāo)準(zhǔn)洗衣液,而CTPDAO去污性能較差。對(duì)CTPDAO、CTHDAC與脂肪醇聚氧乙烯醚硫酸鈉(AES)、LAS復(fù)配體系的潤(rùn)濕、乳化以及泡沫性能進(jìn)行了測(cè)試。結(jié)果表明,AES與LAS的加入均可增強(qiáng)體系的潤(rùn)濕性。復(fù)配體系在乳化性能測(cè)試中,協(xié)同作用明顯,混合溶液的乳化性能比單一表面活性劑都要好。同樣的泡沫性能測(cè)試,體現(xiàn)出了 CTPDAO、CTHDAC與AES、LAS的配伍性能良好,協(xié)同作用較為突出。
[Abstract]:In this paper, the coconut oil-trihydroxyethyl-propylenediamine was synthesized by the reaction of propylene diamine with ethylene oxide by introducing hydroxyethyl group, and then two kinds of products containing hydroxyethyl group were synthesized by oxidation and quaternification. The adsorption behavior at the interface and in the solution was studied, and its application performance was investigated. The main content consists of the following four parts: 1. Synthesis and characterization of alkyl propylenediamine derivatives. Two products N, N-coconut oil-hydroxyethyl-N, N-dihydroxyethyl-propylamine dioxide (CTPDAO) and N, N-coconut oil-hydroxyethyl-methyl-N, were synthesized. N-dihydroxyethyl-methyl-propylammonium dichloride (CTHDAC),) was characterized by IR and NMR. The synthesized product was proved to be the target product. Interfacial adsorption behavior of alkyl propylenediamine derivatives. By measuring the equilibrium surface tension and dynamic contact angle of the two derivatives, it is found that both of them have high surface activity and strong hydrophilicity. Compared with dodecyl dimethyl oxide hinge (DDMAO) and dodecyl trimethylammonium chloride (DTAC), it has obvious advantages. But both did not perform well in contact angle tests. Through the analysis of the surface parameters, it can be seen that the CTPDAO and CTHDAC molecules are loose at the gas-liquid interface, and have a large area of hydrophilic region. At the same time, the adsorption process is spontaneous and rapid. 3. Aggregation behavior of alkyl propylenediamine derivatives in aqueous solution. The aggregation behavior of CTHDAC in aqueous solution was studied by means of conductivity, thermodynamic analysis, steady-state fluorescence spectroscopy, particle size analyzer and TEM electron microscope. The results show that CTHDAC molecules can form aggregates spontaneously and rapidly in aqueous solution. However, due to the large hydrophilic head group and the mutual repulsion between hydrophilic groups, the particle size of the molecules is larger when forming the aggregates, which is about 200 nm.. The aggregation number required to form a single aggregate is 35, which is smaller than that of DTAC. When the concentration of CTHDAC exceeds CMC in aqueous solution, it presents a loose arrangement of spherical aggregates. 4. Application and compounding properties of alkyl propylenediamine derivatives. The application properties of two derivatives, CTPDAO and CTHDAC, were investigated. The properties of wetting, emulsifying, thickening and decontamination were tested. The results show that the wettability of CTPDAO and CTHDAC is very poor, which is consistent with the measurement of contact angle. At the same time, the two substances have good emulsifying ability to soybean oil and liquid paraffin. The thickening effect of CTPDAO on straight chain sodium alkylbenzenesulfonate (LAS) is obvious. It is a fine thickener. As for the decontamination performance, the decontamination effect of CTHDAC is remarkable, the decontamination effect is slightly better than the standard detergent, while the decontamination performance of CTPDAO is poor. The wetting, emulsifying and foam properties of CTPDAO,CTHDAC / sodium oxyethylene ether sulfate (AES), LAS) blend system were tested. The results showed that the wettability of the system could be enhanced by the addition of AES and LAS. In the emulsifying performance test, the synergistic effect of the mixed solution is obvious, and the emulsifying performance of the mixed solution is better than that of the single surfactant. The same foam performance test shows that the compatibility of CTPDAO,CTHDAC and AES,LAS is good, and the synergetic effect is more prominent.
【學(xué)位授予單位】：中國日用化學(xué)工業(yè)研究院
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2017
【分類號(hào)】：O623.7
本文編號(hào)：2469078
[Abstract]:In this paper, the coconut oil-trihydroxyethyl-propylenediamine was synthesized by the reaction of propylene diamine with ethylene oxide by introducing hydroxyethyl group, and then two kinds of products containing hydroxyethyl group were synthesized by oxidation and quaternification. The adsorption behavior at the interface and in the solution was studied, and its application performance was investigated. The main content consists of the following four parts: 1. Synthesis and characterization of alkyl propylenediamine derivatives. Two products N, N-coconut oil-hydroxyethyl-N, N-dihydroxyethyl-propylamine dioxide (CTPDAO) and N, N-coconut oil-hydroxyethyl-methyl-N, were synthesized. N-dihydroxyethyl-methyl-propylammonium dichloride (CTHDAC),) was characterized by IR and NMR. The synthesized product was proved to be the target product. Interfacial adsorption behavior of alkyl propylenediamine derivatives. By measuring the equilibrium surface tension and dynamic contact angle of the two derivatives, it is found that both of them have high surface activity and strong hydrophilicity. Compared with dodecyl dimethyl oxide hinge (DDMAO) and dodecyl trimethylammonium chloride (DTAC), it has obvious advantages. But both did not perform well in contact angle tests. Through the analysis of the surface parameters, it can be seen that the CTPDAO and CTHDAC molecules are loose at the gas-liquid interface, and have a large area of hydrophilic region. At the same time, the adsorption process is spontaneous and rapid. 3. Aggregation behavior of alkyl propylenediamine derivatives in aqueous solution. The aggregation behavior of CTHDAC in aqueous solution was studied by means of conductivity, thermodynamic analysis, steady-state fluorescence spectroscopy, particle size analyzer and TEM electron microscope. The results show that CTHDAC molecules can form aggregates spontaneously and rapidly in aqueous solution. However, due to the large hydrophilic head group and the mutual repulsion between hydrophilic groups, the particle size of the molecules is larger when forming the aggregates, which is about 200 nm.. The aggregation number required to form a single aggregate is 35, which is smaller than that of DTAC. When the concentration of CTHDAC exceeds CMC in aqueous solution, it presents a loose arrangement of spherical aggregates. 4. Application and compounding properties of alkyl propylenediamine derivatives. The application properties of two derivatives, CTPDAO and CTHDAC, were investigated. The properties of wetting, emulsifying, thickening and decontamination were tested. The results show that the wettability of CTPDAO and CTHDAC is very poor, which is consistent with the measurement of contact angle. At the same time, the two substances have good emulsifying ability to soybean oil and liquid paraffin. The thickening effect of CTPDAO on straight chain sodium alkylbenzenesulfonate (LAS) is obvious. It is a fine thickener. As for the decontamination performance, the decontamination effect of CTHDAC is remarkable, the decontamination effect is slightly better than the standard detergent, while the decontamination performance of CTPDAO is poor. The wetting, emulsifying and foam properties of CTPDAO,CTHDAC / sodium oxyethylene ether sulfate (AES), LAS) blend system were tested. The results showed that the wettability of the system could be enhanced by the addition of AES and LAS. In the emulsifying performance test, the synergistic effect of the mixed solution is obvious, and the emulsifying performance of the mixed solution is better than that of the single surfactant. The same foam performance test shows that the compatibility of CTPDAO,CTHDAC and AES,LAS is good, and the synergetic effect is more prominent.
【學(xué)位授予單位】：中國日用化學(xué)工業(yè)研究院
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2017
【分類號(hào)】：O623.7
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