壬基环己醇聚氧乙烯醚表面活性剂的性能研究

doi:10.3969/j.issn.1001-1803.2019.04.001

Abstract

Abstract:

The substitution of nonylphenol polyoxyethylene ether-10（NPEO₁₀）is a subject regarding environmental and regulatory requirements. Nonylcyclohexanol polyoxyethylene ether（NCEO_n）possesses a structure similar to nonylphenol polyoxyethylene ether, with the same source of raw materials, and is most likely to be used as a substitute. The application performances of NCEO_n and NPEO₁₀were systematically examined and compared, in order to provide a theoretical reference for seeking environmentally friendly alternatives to NPEO₁₀ in terms of the structure-activity relationship of NCEO_n. The experimental results show that NCEO₇ is the one most like NPEO₁₀ in emulsifying and wetting properties, and it is slightly better than NPEO₁₀ in emulsifying olive oil, liquid paraffin and dimethicone. Therefore, NCEO₇ can be a candidate for substituting NPEO₁₀ as an emulsifier in industrial fields such as pesticides, pharmaceuticals and petroleum.

Key words: nonionic surfactant, nonylcyclohexanol polyoxyethylene ether, surface property, emulsifying property

CLC Number:

TQ423.2

REN Cong-lin,MENG Xin-yu,HU Yi-tao,FANG Yun,QIAN Fei,XIA Yong-mei. Study of the properties of nonylcyclohexanol polyoxyethylene ether[J].China Surfactant Detergent & Cosmetics, 2019, 49(4): 209-213.

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References 14

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m/z	分子离子	m/z	分子离子	m/z	分子离子
420.3	[NCEO₄+NH₄]⁺	728.6	[NCEO₁₁+NH₄]⁺	151.1	[HO（EO）₃H+H]⁺
464.3	[NCEO₅+NH₄]⁺	772.6	[NCEO₁₂+NH₄]⁺	195.1	[HO（EO）₄H+H]⁺
508.4	[NCEO₆+NH₄]⁺	816.7	[NCEO₁₃+NH₄]⁺	239.2	[HO（EO）₅H+H]⁺
552.5	[NCEO₇+NH₄]⁺	860.7	[NCEO₁₄+NH₄]⁺	283.2	[HO（EO）₆H+H]⁺
596.5	[NCEO₈+NH₄]⁺	904.7	[NCEO₁₅+NH₄]⁺	327.2	[HO（EO）₇H+H]⁺
640.5	[NCEO₉+NH₄]⁺	948.7	[NCEO₁₆+NH₄]⁺	370.8	[HO（EO）₈H+H]⁺
684.6	[NCEO₁₀+NH₄]⁺			414.8	[HO（EO）₉H+H]⁺

类型	浊点/℃
NPEO₁₀	61.1±0.1
NCEO₇	62.5±0.1
NCEO₉	69.4±0.1
NCEO₁₁	67.9±0.1
NCEO₁₃	83.9±0.1

表面活性剂	cmc/（g·L^-1）	γ_cmc/（mN·m^-1）	Π_cmc	pc₂₀	cmc/c₂₀	Γ_m×10¹⁰/（mol·cm^-2）	A_m/?²
NPEO₁₀	0.057	32.64	39.36	2.11	7.34	3.92	42
NCEO₇	0.095	28.79	43.21	2.09	11.69	3.80	44
NCEO₉	0.085	29.74	42.26	2.07	9.94	3.92	42
NCEO₁₁	0.088	29.89	42.11	2.12	11.34	3.66	45
NCEO₁₃	0.122	31.05	40.95	2.05	13.69	3.24	51

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Study of the properties of nonylcyclohexanol polyoxyethylene ether

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