Jiang Xi Xin Jia Yi New Materials Co., Ltd.

Antiblocking agent and Silicones

The reason why the film is not easy to separate is because the film is in a vacuum tight state after the film is closed, and it is difficult to separate; the other is that after the film is formed, a large amount of exposed molecular chains are formed on the surface, and after the two films are closed, a macromolecular chain is generated. The intertwining between them makes it impossible to open. In fact, the reason for the difficulty in opening the film is that the two coexist, and the latter is the main reason.

The earliest opening agents are inorganic talc powder, diatomaceous earth, etc.; medium-term development of organic oleic acid amide, erucamide and EBS derivatives; currently, the use of synthetic silica as an opening agent in the film is also widely used.

The early inorganic opening agent is to make the surface of the film convex and concave to reduce the negative pressure of the film to separate it. The late organic opening agent forms a lubricating film on the surface of the film to reduce the friction coefficient of the film so as not to adhere to each other.

Additives generally have different degrees of side effects, mainly in the presence of a large amount of precipitates on the surface of the film, which affects the printability, heat sealability and color of the film. If lubricants and organic dispersants are added to the formulation, precipitates may be formed; the contamination of the packaged materials is very serious, especially in the fields of food packaging, liquid packaging, pharmaceutical packaging, and the like.

XJY-703 Heptamethyltrisiloxane possesses the natural film-forming properties of silicone and is also an excellent raw material for opening film.
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