农用薄膜专用低泡清洗剂的制备与性能研究

doi:10.3969/j.issn.2097-2806.2026.02.011

Abstract

Abstract:

To address the lack of specialized low-foaming cleaning agents in the recycling process of agricultural films, this study evaluated cleaning efficiency using haze measurement and developed an environmentally friendly low-foaming cleaning agent by selecting and formulating a compound system composed of sodium fatty alcohol ether sulfate（AES）and nonionic surfactants（C8-10, C10, 1003, 1006）. Experimental results demonstrate that the ternary compound formula（1 g/L AES+1.5 g/L 1003+1.5 g/L 1006）significantly reduces the haze value of the film（from over 40 to 12.27）within a 1 h cleaning period, while achieving a near-zero foam persistence height（approximately 0 mm）after 5 mins, meeting the requirements for water-saving, low-foaming, and high-efficiency cleaning. SEM, XRF and other characterization methods confirm that the residual stain on the surface of the film was significantly reduced after cleaning, and the overall cleaning rate of the main residual oxides（SiO₂, CaO, Al₂O₃）is more than 97%. This study provides a green and efficient cleaning solution for agricultural film recycling, which has important practical value for alleviating “white pollution”.

Key words: agricultural film, low-foaming, compounding, haze, surfactants

CLC Number:

TQ423

Ruochen Wu, Zhenbang Xu, Chengjun Pan, Lei Wang. Preparation and performance study of a special low-foaming cleaning surfactant for agricultural film[J].China Surfactant Detergent & Cosmetics, 2026, 56(2): 226-235.

Figures/Tables 16

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References 16

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编号	接触角/（°）
编号	0.5 g/L C10	0.5 g/L 1006	水洗	新膜	AES+C10+C8-10
1	65.476	68.930	75.950	87.790	86.051
2	67.857	63.239	94.867	90.977	81.308
3	71.950	58.023	97.684	92.861	82.620
4	76.598	94.972	79.300	88.732	89.091
5	81.538	89.094	86.139	99.991	85.989
6	86.015	90.900	88.781	92.771	92.547
7	84.672	80.472	84.398	93.644	67.288
8	77.393	82.783	84.732	98.828	89.781
9	84.801	83.026	69.565	91.551	89.003
10	80.908	85.892	74.271	100.733	82.920
平均值	77.720 8	79.733 1	83.568 7	93.787 8	84.659 8

表面活性剂种类	名称	清洗干燥后薄膜颜色	泡沫感官评价
阳离子	酯基季铵盐	黄	少
阳离子	高聚季铵盐	黄	少
阴离子	AES	白	很多
非离子	1006	白	较多
非离子	1003	白	少
非离子	C8-10	白	少
非离子	C10	白	少
阴离子	SDBS	较黄	少
无	水洗	黄	无

编号	AES/（g/L）	C8-10/（g/L）	C10/（g/L）	1003/（g/L）	1006/（g/L）
1	0.75	2	1	2	2
2	0.75	2.5	1.5	2.5	2.5
3	0.75	1.5	0.5	1.5	1.5
4	1	2	1	2	2
5	1	2.5	1.5	2.5	2.5
6	1	1.5	0.5	1.5	1.5
7	1.25	2	1	2	2
8	1.25	2.5	1.5	2.5	2.5
9	1.25	1.5	0.5	1.5	1.5
10	1.5	2	1	2	2
11	1.5	2.5	1.5	2.5	2.5
12	1.5	1.5	0.5	1.5	1.5
13	1.75	2	1	2	2
14	1.75	2.5	1.5	2.5	2.5
15	1.75	1.5	0.5	1.5	1.5

编号	AES/（g/L）	C8-10/（g/L）	C10/（g/L）
1	0.75	2	1
2	0.75	2	1.5
3	0.75	2	0.5
4	0.75	2.5	1
5	0.75	2.5	1.5
6	0.75	2.5	0.5
7	0.75	1.5	1
8	0.75	1.5	1.5
9	0.75	1.5	0.5
10	1	2	1
11	1	2	1.5
12	1	2	0.5
13	1	2.5	1
14	1	2.5	1.5
15	1	2.5	0.5

编号	AES/（g/L）	1003/（g/L）	1006/（g/L）
1	1	1.5	1.5
2	1	2	1.5
3	1	2.5	1.5
4	1.25	1.5	2
5	1.25	2	2
6	1.25	2.5	2
7	1.25	1.5	2.5
8	1.25	2	2.5
9	1.25	2.5	2.5

Preparation and performance study of a special low-foaming cleaning surfactant for agricultural film

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编号	名称	起始泡沫高度/mm	5 min泡沫持续高度/mm
1	AES+C10+EGDA+柠檬酸钠+PASP+W-892	200	190
2	AES+C10+EGDA+柠檬酸钠+PASP+W-509	195	190
3	AES+C10+EGDA+柠檬酸钠+W-892	200	195
4	AES+C10+EGDA+柠檬酸钠+W-509	195	190
5	AES+C10+C8-10+EGDA+柠檬酸钠+W-892	200	40
6	AES+C10+C8-10+EGDA+柠檬酸钠+W-509	100	0
7	AES+1003+1006+EGDA+柠檬酸钠+W-892	160	10
8	AES+1003+1006+EGDA+柠檬酸钠+W-509	50	0
9	清洗剂1	150	140
10	清洗剂2	110	100
11	清洗剂3	120	55
12	清洗剂4	190	180

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