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China International Food Additives and Ingredients Exhibition & the 35th National Symposium on Production and Application Technologies of Food Additives

Release Date:

2026-03-16

China International Food Additives and Ingredients Exhibition & the 35th National Symposium on Technology for the Production and Application of Food Additives (FIC)

China International Food Additives and Ingredients Exhibition & the 35th National Symposium on Technology for the Production and Application of Food Additives (FIC)

Food Ingredients China 2026

Domestic Exhibition Area (1.1 museum, 2 . museum, 5.1 museum, 6.1 Museum ) Exhibition Period :2026--3 month 17~19 day

March 17, 2026

Exhibition Venue : National Convention Center ( Shanghai )

National Exhibition and (

tion Center (Shanghai)

Address : Shanghai City Songze Avenue 333 Number

ADD.: NO. 333 SONG ZE AVENUE, SHANGHAI CITY.

Organizing entity :

China Food Additives and Ingredients Association

Our location 6.1 Hall: 61Y51
  We look forward to seeing you at the exhibition!

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China International Food Additives and Ingredients Exhibition & the 35th National Symposium on Production and Application Technologies of Food Additives

China International Food Additives and Ingredients Exhibition & the 35th National Symposium on Technology for the Production and Application of Food Additives (FIC)

What are the causes and mechanisms of deactivation in silicone-based defoamers?

Deactivation of silicone‑based defoamers is a very common phenomenon, not limited to silicone gel‑type defoamers. Other types of silicone defoamers also frequently experience deactivation; however, I will use silicone gel‑based defoamers as an example to discuss the causes and mechanisms of their deactivation, in the hope that this will be helpful. There are many reasons why silicone‑based defoamers become deactivated.

Advantages and Disadvantages, Main Categories, and Performance of Silicone Defoamers

1) Wide-ranging applications: Due to its unique chemical structure, silicone oil is insoluble in water and polar substances, as well as in hydrocarbons and other nonpolar organic compounds. This broad compatibility makes it suitable for defoaming in both aqueous and oil-based systems.

The defoaming performance of a defoamer under static conditions and under dynamic conditions.

Some defoamers perform well initially but deteriorate significantly after a period of storage. Many factors can influence this, but at least two are key: first, the defoamer may be solubilized by surfactants; second, the active ingredient in the defoamer can be absorbed by colloidal resin particles. Ultimately, one must evaluate both the defoamer’s defoaming performance under dynamic conditions and its effectiveness in static environments.

What are the composition and structure of silicone antifoaming agents?

Silicone antifoaming agents are a class of compounds that can stabilize foam while effectively reducing surface tension. They typically consist of organic molecules containing silicon, formed by incorporating silicone moieties into surfactants. These compounds play a crucial role in various industrial processes, spanning fields such as plastics, coatings, printing, and pharmaceuticals.