How to solve the influence of migration type slip agent on the heat sealing performance of heavy-duty packaging film

Heavy-duty form-fill-seal (FFS) Packaging PE film from the beginning of the single-layer blending process to the three-layer co-extrusion process, with the continuous popularity of three-layer co-extrusion technology, the market has fully recognized the technical advantages of multi-layer co-extrusion process.

As raw material manufacturers have developed raw materials with different functions, and downstream manufacturers have increasingly high requirements for film products (such as heat sealing, printing, stiffness, smoothness, etc.), the phenomenon of blending and extrusion of a variety of materials in the extruder is common. Although different raw materials have their own advantages, a variety of materials in the extruder blending extrusion will lead to the advantages of some raw materials can not be fully demonstrated, and even reduce the performance of the material.

And, all Heavy-duty form-fill-seal (FFS) Packaging PE functional films have three functional layers: the top layer is the post-processing layer, the middle layer is the mechanical properties layer, and the inner layer is the heat sealing layer. Regardless of whether it is a three- or five-layer co-extrusion, ultimately all films are categorised as having three functional layers. Since heavy-duty packaging films not only need strength assurance, but also take into account the requirements of packaging, heat sealing, palletising, transport and other aspects of the process, the performance indicators are more numerous and complex.

The thermal sealing performance of plastic is one of the main properties of repackaged PE film, and the thermal sealing performance of packaging materials is mainly determined by the thermal sealing temperature, thermal sealing pressure and thermal sealing time, of which the thermal sealing temperature is the most critical parameter, and the thermal sealing strength is the basis for judging the thermal sealing performance of the material.

Effect of migration additives on heat sealing performance

There are many factors that affect the performance of heat sealing, such as film crystallinity, corona treatment and migration additives. When the surface of the film is subjected to external friction, the additives will be worn out. A large amount of enrichment to the surface of the film is easy to form a frost phenomenon, that is, a thin layer of visible frost (powder) on the surface of the film. The severe frosting of the film heat sealing layer will not only affect the appearance quality of the film, but also reduce the film heat sealing strength, and even cause the film to lose the heat sealing effect in serious cases.

SILIKE Launched Non-Migratory Slip Additives, the effect of migration type slip agent on the heat sealing performance of Heavy-duty form-fill-seal (FFS) Packaging film is effectively solved.

SILlKE SILIMER series super slip and anti-blocking masterbatch is a product particularly researched and developed for plastic films. This product contains a specially modified silicone polymer as the active ingredient to overcome the common problems that traditional smoothing agents have, such as precipitation and high-temperature stickiness, etc. It can significantly improve the anti-blocking & smoothness of the film, and the lubrication during processing, can greatly reduce the film surface dynamic and static friction coefficient, make the film surface smoother. At the same time, SILIMER series masterbatch [https://www.siliketech.com/super-slip-masterbatch/] has a special structure with good compatibility with the matrix resin, no precipitation, no sticky, and no effect on the transparency of film. It is widely used in the production of PP films, PE films.

SILIMER 5064MB1 [https://www.siliketech.com/slip-silicone-masterbatch-silimer-5064mb2-for-pe-films-product/] is a super-slip masterbatch [https://www.siliketech.com/silimer-series-super-slip-masterbatch/] with long chain alkyl-modified siloxane masterbatch containing polar functional groups. It is mainly used in CPE films, blowing film applications. Adding in moderation has the following advantages:

* Significantly improve anti-blocking & smoothness of the film, and the lubrication during processing;
* Greatly reduce the film surface dynamic and static friction coefficient;
* Make the film surface more smooth.

SILIMER 5064MB1 [https://www.siliketech.com/slip-silicone-masterbatch-silimer-5064mb2-for-pe-films-product/] has a special structure with good compatibility with the matrix resin, no precipitation, no sticky, and no effect on the transparency of film, Does not affect the film heat sealing performance, printing performance, etc. It is mainly used for the production of food packaging film which requires good and non-migration slip &anti-blocking.

Are you still troubled by the migration of the smoothing agent, which affects the heat sealing performance of the film, our SILIKE Non-Migratory Slip Additives are super effective for solving challenges in the heavy-duty form-fill-seal (FFS) Packaging industry. They help with better processing, stable performance, heat resistance, and non-migratory properties, which are all key for improving the efficiency and quality of heavy-duty form-fill-seal (FFS) Packaging films. If you want to boost your heavy-duty form-fill-seal (FFS) Packaging efficiency, our advanced slip additive solutions are the way to go! Get in touch with us for more details.

TEl: +86-28-83625089, email: amy.wang@silike.cn, or visit www.siliketech.com.

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Company Name: Chengdu Silike Technology Co.,Ltd.
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This release was published on openPR.