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23
2023-05
Silicone-based defoamer production processes and applications?
Silicone-based defoamers are surfactants produced through the reaction of hydroxyl or amino groups in silicone compounds. They exhibit excellent defoaming performance and good stability, making them widely used for foam control in industrial processes. This article provides a detailed overview of silicone defoamers, focusing on both their production processes and applications.
2023-05-23
16
2023-05
Applications of Silicone Defoamers
Silicone compounds are polysiloxanes, indispensable raw materials in cosmetic formulation; accordingly, silicone‑based defoamers are widely used in the daily‑chemical industry. Moreover, their widespread acceptance across various sectors stems from their outstanding properties—such as chemical inertness, non‑toxicity, and environmental friendliness—ensuring they do not pollute the environment.
2023-05-16
28
2023-04
What are the characteristics of silicone-based defoamers?
1. With low surface tension, dimethyl silicone oil exhibits a higher surface tension than water. Its surface tension is lower than that of aqueous surfactant solutions and typical oil solutions, resulting in strong defoaming performance; the recommended dosage is 5–200 ppm (based on active content).
2023-04-28
28
2023-04
Silicone Defoamer Composition and Functions
Defoamers (also known as defoaming agents) are additives designed to eliminate foam that forms during manufacturing processes. Organic silicon defoamers primarily consist of silicone oil, a silicone‑based component. At room temperature, silicone oil is a non‑volatile, oily liquid that is insoluble or only slightly soluble in water, vegetable and animal oils, and mineral oils. It exhibits both high‑temperature and low‑temperature resistance, possesses chemically inert properties, maintains physical stability, and lacks biological activity.
2023-04-28
23
2023-04
Food-grade defoamers are quietly transforming foam.
As the saying goes, “Food is heaven for the people.” As a source of essential nutrients and energy, food is indispensable to human production and daily life. The variety of foods is vast, encompassing grains, meats, dairy products, beverages, and more—each not only meeting our nutritional needs but also stimulating our taste and smell, catering to diverse preferences. However, during food processing, the presence of proteins or the addition of food additives often gives rise to foaming issues. Such foam can detract from a product’s appearance and texture, leading to undesirable outcomes. To address this, food-grade defoamers are commonly incorporated into the manufacturing process.
2023-04-23
23
2023-04
What is the purpose of defoamers? In which industries can they be used?
Defoamers, also known as antifoaming agents, are industrial additives that eliminate foam. They reduce and prevent the formation of foam in industrial processes. More precisely, defoamers first break down existing foam and, through their antifoaming properties, inhibit the further generation of foam.
2023-04-23
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