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  • Surface sizing starch defoamer: key additive in papermaking industry

    By : Zilibon Chemical
    2025/4/7
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    In the papermaking industry, surface sizing is an important part of improving paper quality. In this process, surface sizing starch defoamer plays an indispensable role. This article will introduce the relevant knowledge of surface sizing starch defoamer in detail, including its working principle, types, applications and development trends.
    Surface sizing starch defoamer mainly eliminates foam by reducing the surface tension of the liquid. In the papermaking process, the starch solution is easily mixed with air during stirring, conveying and sizing to form foam. The defoamer can quickly diffuse to the surface of the foam, reduce the surface tension of the foam film, make the foam film thinner, and eventually cause the foam to burst.

    In the production and construction process of building exterior wall coatings, interior wall coatings, etc., defoamers can effectively prevent the generation and accumulation of foam and ensure the coating effect and quality. For industrial coatings such as automotive coatings, ship coatings, and metal coatings, defoamers can improve the quality and performance of the coating while reducing defects in the coating process.

    Surface sizing starch defoamer research and development has higher defoaming efficiency and stronger targeting to meet the needs of different water-based paint systems and coating processes. Develop more environmentally friendly and safe defoamers to reduce the impact on the environment and human body.

    In short, surface sizing starch defoamer plays an important role in the papermaking industry. By reasonably selecting and using defoamers, the foam problem in the surface sizing process can be effectively controlled, the quality and production efficiency of paper can be improved, and the sustainable development of the papermaking industry can be promoted.
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