表面活性剂起泡及润湿性能的影响研究

doi:10.3969/j.issn.1001-1803.2021.11.006

摘要/Abstract

摘要：

通过单因素法,配制不同体系的表面活性剂溶液,研究亲水亲油平衡值（HLB值）、表面张力、黏度、复配组分对溶液起泡、泡沫携液和润湿性能的影响。实验结果表明：在吐温85、吐温40、烷基糖苷（APG）构成的表面活性剂体系中,溶液HLB值对起泡和润湿能力无明显影响。在十二烷基硫酸钠（SDS）和APG构成的表面活性剂体系中,表面张力的降低有利于溶液起泡和润湿;当质量分数大于临界胶束浓度（cmc）时,随着质量分数增加,溶液起泡能力先增加后平稳,泡沫稳定性降低,润湿性能提升。在SDS、APG、黄原胶构成的复配体系中,溶液黏度的增加有利于泡沫稳定和携液,但降低了起泡和润湿性能。表面活性剂复配的协同作用与组分及配比质量分数有关,月桂醇聚醚硫酸酯钠（SLES）与十二烷基二甲基甜菜碱（BS）复配组分有明显增效作用,在质量分数比为5∶5的条件下综合性能最佳。

关键词: 表面活性剂, 起泡, 润湿

Abstract:

This paper is intended to explore the influence of the surfactant solution physical parameters and compound components on the foaming and wetting performance by preparing surfactant solutions of different systems. Physical parameters includes the HLB value of surfactant, solution surface tension, and its viscosity. The HLB value of the solution was measured by water counting, and its surface tension and viscosity were measured by the surface tension instrument and rotational viscometer, respectively. Foaming ability of the solution was determined by the shaking method and Warning-Blender method, while foam stability was determined by the foam volume attenuation method. The wetting time was determined by the immersion method. The nonionic-nonionic surfactant system solution was formulated from Tween 85, Tween 40, alkyl glycoside （APG） to change the HLB value of the solution. Results show that the HLB value has no obvious effect on the foaming and wetting performance. Within the test range, when the APG concentration is the same, the solution has similar foaming and wetting performance, indicating that the foaming and wetting performance of the solution mainly depends on the effect of APG concentration. The anionic-nonionic surfactant system solution is formulated from sodium dodecyl sulfate （SDS） and APG to change the surface tension of the solution. Results show that the decrease of surface tension is conducive to the improvement of foaming and wetting performance. When the concentration is greater than the critical micelle concentration （0.011 6%）, the surface tension is almost constant. With the increase of concentration, foaming ability of the solution increases first and then stabilizes, the foam stability decreases and the wetting performance improves. In the compound solution of SDS, APG and xanthan gum, the concentration of xanthan gum is different to change the viscosity of the solution. Results show that the increase of solution viscosity is beneficial to the improvement of foam stability, and the foam can carry more solutions in the initial stage of formation. The foaming ability of the solution is slightly reduced, and the wetting performance decreases. The synergistic effect of surfactant compounding is related to the composition and ratio concentration. The combination of sodium lauryl polyoxyethylene ether sulfate （SLES） and dodecyl dimethyl betaine （BS） has a synergistic effect, and the comprehensive performance is the best when the concentration ratio is 5∶5.

Key words: surfactant, foaming, wetting

中图分类号:

TQ423

龚佳怡,乔建江. 表面活性剂起泡及润湿性能的影响研究[J]. 日用化学工业, 2021, 51(11): 1073-1079.

Gong Jiayi,Qiao Jianjiang. Research on the influence of surfactant on foaming and wetting performance[J]. China Surfactant Detergent & Cosmetics, 2021, 51(11): 1073-1079.

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参考文献 11

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序号	w（Tw85）/%	w（Tw40）/%	w（APG）/%	HLB值	表面张力/（mN·m^-1）	黏度/（mPa·s）	起泡倍数	泡沫含液率/%	30 min泡沫剩余率/%	润湿时间/s
1	0.1	0	0.025	11.91	36.12	0.91	1.40	25	42.71	190
2	0.08	0.02	0.025	12.79	36.16	0.9	1.40	26	41.13	185
3	0.06	0.04	0.025	13.02	36.78	0.88	1.35	26.5	38.30	187
4	0.04	0.06	0.025	13.71	36.64	0.91	1.30	27.5	39.66	184
5	0.02	0.08	0.025	14.42	36.72	0.89	1.35	25	39.53	188
6	0	0.1	0.025	15.14	36.45	0.93	1.44	28.5	40.81	186
1	0.1	0	0.05	11.91	34.31	0.89	1.95	34.5	46.53	152
2	0.08	0.02	0.05	12.79	34.00	0.88	1.85	35	46.22	149
3	0.06	0.04	0.05	13.02	34.37	0.90	1.89	34	45.24	153
4	0.04	0.06	0.05	13.71	34.80	0.86	1.96	33.5	46.94	148
5	0.02	0.08	0.05	14.42	34.76	0.85	1.85	35	44.86	151
6	0	0.1	0.05	15.14	34.67	0.87	1.99	36.5	43.47	149
1	0.1	0	0.075	11.91	31.12	0.92	3.20	46.5	49.22	116
2	0.08	0.02	0.075	12.79	31.19	0.93	3.23	48	47.66	117
3	0.06	0.04	0.075	13.02	31.05	0.89	3.20	48.5	50.56	118
4	0.04	0.06	0.075	13.71	31.18	0.90	3.10	47	49.23	112
5	0.02	0.08	0.075	14.42	31.32	0.91	3.25	45.5	50.21	116
6	0	0.1	0.075	15.14	31.31	0.92	3.15	47.5	48.55	119

序号	w（SDS/APG）/%	表面张力/（mN·m^-1）	黏度/（mPa·s）	起泡倍数	泡沫含液率/%	30 min泡沫剩余率/%	润湿时间/s
0	0	71.68	0.86	0	0	0	315
1	0.001	59.17	0.87	0	0	0	299
2	0.001 5	53.57	0.90	0	0	0	280
3	0.002 5	46.49	0.90	0	0	0	251
4	0.005	38.18	0.92	0.55	5	58.18	231
5	0.007 5	33.60	0.91	1.00	15	60.50	206
6	0.01	28.21	0.90	1.40	20	72.14	179
7	0.02	27.10	0.93	2.90	25	82.76	158
8	0.05	27.46	0.91	4.70	53	45.58	95
9	0.1	27.38	0.93	5.25	57	33.89	60
10	0.2	27.64	0.92	5.30	57	27.00	39
11	0.3	27.88	0.93	5.33	57	25.13	33

序号	w（黄原胶）/%	表面张力/（mN·m^-1）	黏度/（mPa·s）	起泡倍数	泡沫含液率/%	50%消泡时间/min	25%析液时间/s	润湿时间 /s
0	0	27.97	0.91	3.61	49.5	23.5	30	97
1	0.01	27.66	1.43	3.55	51	25	35	110
2	0.02	27.54	2.14	3.45	60	27.5	55	129
3	0.03	27.74	2.85	3.40	65	28	71	136
4	0.04	27.58	4.07	3.38	70	32	89	149
5	0.05	27.98	5.07	3.35	80	37	118	162

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