In the field of adhesives, the environmental performance of hot - melt adhesives is a topic of great concern. Generally speaking, hot - melt adhesives have certain environmental advantages. Firstly, they are in a solid state at room temperature and do not contain volatile organic compounds (VOCs). Compared with some solvent - based adhesives, this significantly reduces air pollution. Secondly, during the use of hot - melt adhesives, there is no need for solvents for dilution, avoiding the potential harm to the environment and human health caused by solvent volatilization. However, the environmental friendliness of hot - melt adhesives is not absolute. Their degree of environmental protection also depends on the choice of raw materials. If the raw materials used contain harmful substances, the environmental performance of the hot - melt adhesives will be compromised. Nevertheless, with the continuous advancement of technology and the increase in environmental requirements, many manufacturers are committed to researching, developing, and producing more environmentally friendly hot - melt adhesive products. They select green and environmentally friendly raw materials and optimize the production process to reduce energy consumption and waste emissions. In conclusion, hot - melt adhesives are environmentally friendly to a certain extent. However, to ensure their true environmental friendliness, it is necessary to pay attention to the quality of raw materials, the control of the production process, and the final use and waste disposal methods. Only when all aspects meet environmental standards can hot - melt adhesives better exert their environmental advantages.