As one of the traditional manufacturing industries, the paper industry often encounters the problem of foam in its production process, which is mainly due to the impurities in raw materials, chemical reactions, agitation in the operation of mechanical equipment and other factors. Defoamer, as its name implies, is a chemical additive that can effectively control and eliminate foam. In the paper making process, defoamer can destroy the stable structure of foam and reduce its surface tension, so as to achieve rapid defoaming and prevent the regeneration of foam.

With the continuous improvement of product quality, production efficiency, and environmental protection requirements in the paper industry, the importance of defoamers is becoming increasingly prominent. Specifically, high-performance defoamers can not only improve the smoothness and uniformity of paper products, reduce the defect rate, but also significantly reduce energy consumption and emissions in the production process, which is in line with the current trend of green production development. Especially in the fields of high-end specialty paper and environmentally friendly recycled paper, more stringent requirements have been put forward for the performance of defoamers, which has driven the sustained growth of market demand.