Laminating film Composite processing
One: dry composite method The adhesive is coated on the surface of the substrate by a laminating machine, and the heating roller is pressed against the other film and compounded.
Water-soluble adhesives (gelatin, starch), water-dispersible adhesives (vinyl acetate latex, etc.) are coated on the surface of the substrate in a wet state with other materials, and then mixed with roll Methods.
The extruding compound method is the most commonly used method in the composite process. The PP, PE, EVA (ethylene-vinyl acetate copolymer) ion resin and the like are extruded into a film by an extruder, Polyethyleneimine, urethane-based resin, etc.), and then cooled and solidified.
The hot melt is applied to the surface of the film, the surface of the aluminum foil, and the surface of the aluminum foil is coated on the surface of the film, A method of cooling on other substrates.
Wu: co-extrusion method The method is two or three extruder at the same time forming two layers can be more than the film, T die method and blow molding method, can carry out a variety of composite, can produce ultra-thin Shaped film.
First, strengthen the development of Zhisu packaging. Paper and plastic are the most widely used materials in the packaging and printing industry and will coexist for a long time. New polyester packaging is more promising; new degradation of plastic attention; foam plastic zero pollution has been taken seriously.
Second, pollution-free is an inevitable requirement, but also an inevitable trend. Plastic food packaging as a mainstream food packaging varieties, to ensure food safety plays an increasingly important role. Now the market is rich in product packaging. This sets the conditions for the development of the flexible packaging section.
Third, as people continue to diversify the market demand. Printed carbon footprint analysis and packaging for environmental impact, the flexible packaging of lightweight packaging format is an important attribute, and increasingly highlights the importance of its characteristics.
With the needs of social development and people's growing awareness of environmental protection, green, environmentally friendly, low-carbon plastic packaging more and more respected and concerned. Packaging materials in the future development of the mainstream trend is multi-functional, lightweight, environmentally friendly and intelligent. Reed package packaging for you to explore the mainstream trend of flexible packaging market during the year.
Flexible packaging since the development of the market has been the vast majority of support, not just the food packaging industry, industrial packaging, pharmaceutical packaging, building materials packaging, cosmetics packaging and other fields have also been widely used. According to statistics, the global flexible packaging market in the next period of time will be 3.5% of the rate of continuous growth.
As the market competition continues to fierce, a variety of raw material prices rising step by step, resulting in the packaging industry, the growing space of the compressed. Therefore, the development of flexible packaging business technology, technology, equipment to be innovative and improved, and toward environmental safety, energy saving, reduce costs, reduce waste, improve efficiency and yield of the direction of rapid development, has become an inevitable choice. Reed package packaging that the development of flexible packaging enterprises need to break through the security bottleneck.
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