What are the tensile film additives?

The tensile films are widely used because of their light weight, thinness, cheapness, portability, and ease of deformation. In particular, the use and quality of stretch film has increased in the packaging of food and daily necessities, agricultural re-capping materials, etc. The functional requirements for new stretch film materials have also increased.

What is Tensile Film?

Tensile film, also known as winding film, is an industrial packaging product with the advantages of strong stretching force, strong stretching, good shrinkage, good self-adhesiveness, thin fabric, softness and high transparency. It is used for hand stretch film winding film, also can be used for mechanical winding film, widely used in the packaging of various goods.

Bi-directional Tensile Film Auxiliaries

Bi-directional tensile film materials are in an important position in stretch film packaging, with bi-directional oriented polypropylene (BOPP), polyester (BOPET), nylon (BOPA) and other applications becoming more and more widespread. Stretch film manufacturers say that traditional PVC stretch film is widely used for various vegetable and fruit preservation, long-term frozen food packaging, microwave baked food packaging, and electronic components packaging. In addition, products such as polypropylene (CPP) and polyethylene (CPE) are also produced in large quantities.

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Tensile Film Antistatic Agent

  1. Industrial antistatic agents are mainly single compounds or complexes of non-ionic and ionic surfactants. Whether the hydrophilic group in its molecule can ionize, it is divided into ionic and non-ionic, and the ionic type is divided into cationic and negative ionic type. The principle of antistatic is the use of hydrophilic absorbs moisture from the air on the surface of the plastic, or forms a conductive layer on the surface to reduce the surface resistance value.
  2. To judge the performance of antistatic agents in packaging materials, attention must be paid not only to the antistatic effect, but also to the impact on product performance. Therefore, the technical key to the development of antistatic agents lies in the structural design of various surfactants and the examination of compatibility. At present, the development of series and specialized products is an important development direction of antistatic agents.
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Tensile Film Anti-adhesive Agent.

The faster the processing speed, the easier the friction is to generate static electricity and the easier the bonding between stretch films (plastic products), which seriously hinders high line speed extrusion. The better the transparency of the stretch film, the higher the processing and molding temperature, the easier it is to agglomerate and bond. Therefore, high efficiency slip and anti-emulsion play a very important role in plastic production and automatic packaging.

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The Benefits of Adding Additives to Tensile Films

1, the thickness of stretch film is better, and has a high cost performance, the appearance of a more transparent state, many films can be double-sided bonding, but if not needed can also be single-sided bonding;

2, stretch film does not have an odor like other packaging materials, which can affect the safety quality of the product and the reputation of the purchasing manufacturer;

3, in transportation, goods packed with stretch film can have very high impact resistance, which can greatly protect the safety of the product.

Tensile Film Manufacturer's Advice

Common domestic varieties of activators are amine (lactobacillus amine and mustard amine), soap (calcium stearate, etc.), silicone type), but the latter is a liquid, add inconvenience, expensive. Soaps are cheap, but poorly effective, added in large amounts, and almost unusable in medium and high grade goods. Packaging stretch film is commonly used in LDPE stretch film amine compounds such as amine oleate; used in PP tensile film amine erucate.

To improve the quality and functionality of stretch films, the change of resin gas and the improvement of molding process alone cannot meet the needs of the market development, and the addition of various functional additives has become a simple and efficient means to achieve the functionalization of tensile films.

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