How To Increase The Intensity Of Research And Development Of Food Grade Packaging Film

- Nov 02, 2017 -

As the Food Grade Packaging Film with excellent protection of food safety and excellent performance, while its high transparency can be an effective beautification of packaging, so Food Grade Packaging Film in the commodity packaging position is more and more important. In order to meet the current changes in the external environment and the needs of different consumers, many companies at home and abroad to increase the Food Grade Packaging Film research and development efforts.

Then with Xiao Bian first to understand the classification of Food Grade Packaging Film:

1) General packaging film

Commonly used Food Grade Packaging Film include: PVA coating barrier film, biaxially stretched polypropylene film (BOPP), biaxially oriented polyester film (BOPET), nylon film (PA), cast polypropylene film (CPP) , Aluminum foil and so on. These films because of its excellent performance, good transparency, high tensile strength, with a certain gas barrier properties and low production costs, more widely used.

2) edible packaging film

Edible packaging film, refers to the edible material, mainly lipid, protein and polysaccharides and other natural macromolecules, add edible plasticizers, crosslinking agents, etc., through the physical role of blending, through different processing technology And the formation of the film. According to its main raw material characteristics, edible film can be divided into four categories: carbohydrate edible film, protein edible film, lipids edible film, complex edible film. For edible functional film, it has been widely used in daily life, such as gluten rice paper used in confectionery packaging, corn baking packaging cups with ice cream, etc., are typical edible packaging. Compared with synthetic packaging materials, edible film can be biodegradable, without any pollution. With the increase of people's awareness of environmental protection, edible film in the field of food packaging quickly become a hot research, and achieved some results.

3) Antibacterial Food Grade Packaging Film

Antimicrobial Food Grade Packaging Film is a kind of functional membrane with the ability to inhibit or kill the surface bacteria. According to the form of antibacterial, can be divided into two kinds: direct antibacterial and indirect antibacterial. Direct antimicrobial antimicrobial composition of the packaging material through direct contact with the food to achieve antibacterial; and indirect antibacterial, mainly in the carrier to add some can adjust the packaging microenvironment of the material, or the use of packaging materials to select the permeability to control the microbial Growth, such as tone packaging film.

4) Nano composite packaging film

Nanocomposite films are composite thin film materials formed by different sizes of nanometer orders (1-100nm) in different matrices, and have the advantages of both traditional composite materials and modern nanomaterials. Because of its special structure caused by the surface effect, volume effect, size effect and other characteristics of their optical properties, mechanical properties, antibacterial properties, barrier properties and other aspects of conventional materials do not have the characteristics of its food Packaging has a wide range of applications, not only to meet the extended shelf life of food requirements, but also to monitor the quality of food within the packaging changes.

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