Special antifogging agent for goggles and preparation method of antifogging agent

The invention relates to a special antifogging agent for goggles and a preparation method of the antifogging agent, and belongs to the technical field of antifogging agents, and the antifogging agent is prepared from the following components in percentage by mass: 43%-55% of deionized water, 40%-52% of absolute ethyl alcohol, 2.1%-5.8% of isopropanol, 0.8%-2.5% of sodium alcohol ether sulphate, 0.5%-1.5% of undecylimidazoline, 0.3%-0.9% of sorbitan laurate and 0.2%-0.8% of sodium carboxymethyl cellulose. And 0.2%-0.7% of polyvinyl alcohol. The antifogging agent disclosed by the invention is smeared on the surface of a lens in a low-temperature environment or a high-humidity environment in winter, so that the goggles are not fogged for a long time, and the working efficiency of operators and the wearing comfort are improved. 一种护目镜专用防雾剂及其制备方法，属于防雾剂技术领域，按照总质量分数比为100％，包括去离子水43％～55％，无水乙醇40％～52％，异丙醇2.1％～5.8％，脂肪醇聚氧乙烯醚硫酸钠0.8％～2.5％，十一烷基咪唑啉0.5％～1.5％，山梨醇酐月桂酸酯0.3％～0.9％，羧甲基纤维素钠0.2％～0.8％，聚乙烯醇0.2％～0.7％。本发明防雾剂在冬季气温较低的环境或湿度较大