u003cpu003eu003c/pu003eu003cpu003eIn today's advanced technology, a simple bag can also be made into a very beautiful artwork. Nowadays, environmental protection is being promoted. In terms of bags, how to achieve environmental protection? The non woven bags that are now popular around the world are a good interpretation. The most exciting thing is that a simple non-woven bag can derive many professional bag names. Like eco-friendly quilt bags, supermarket shopping bags
, clothing packaging bags, product promotion bags, electronic packaging bags, gift bags, wine packaging bags, and film-coated bags. If you are not an expert, you really don't know what these things are. What I want to talk about today is what is a film-coated bags and its processing process. u003c/pu003eu003cpu003eu003c/pu003eu003cpu003e The film in the film-coated non-woven bag, which is a main process of post-press processing, is to combine the plastic film coated with the adhesive with the paper printed matter After being heated and pressurized, they are glued together to form a paper-plastic product. Laminating is one of the common post-press processing techniques for paper prints. The coated printed matter has an extra layer of thin and transparent plastic film on the surface, which makes the surface smoother and brighter, which not only improves the gloss and fastness of the printed matter, and prolongs the service life of the printed matter. At the same time, the plastic film is also moisture-proof, Waterproof, antifouling, abrasion resistance, folding resistance, chemical corrosion resistance and other protective functions. If a transparent bright film is used for laminating, the printed pictures and texts of the laminating products will be brighter and full of three-dimensionality, which is especially suitable for packaging of green food and other commodities, and can arouse people's appetite and consumer desire. If a matte film is used for coating, the coated product will bring consumers a noble and elegant feeling. Therefore, the packaging printed matter after coating can significantly improve the grade and added value of commodity packaging. u003c/pu003eu003cpu003eu003c/pu003eu003cpu003e The laminating process requires the production personnel engaged in laminating processing to use appropriate processing temperature and pressure according to the different properties of paper and ink, so that the adhesive will It is firmly bonded with printed paper to form a paper-plastic unit. The quality standard of laminated products: the surface is clean, smooth, not blurred, smooth, no wrinkles, no bubbles, no separation of paper and plastic, no traces of powder and foil. The degree of drying is appropriate, and there is no phenomenon of sticking to the surface film or paper. After laminating, the slitting size is accurate, the edge is smooth, and the film does not come out. There is no obvious curling problem. u003c/pu003eu003cpu003eu003c/pu003eu003cpu003e In the laminating process, handle the relationship between temperature, pressure and time when the paper and plastic film pass through the thermocompression mechanism, and control the viscosity of the adhesive during the fusion stage. , Glue amount, drying tunnel temperature, hot roller temperature, mechanical pressure, mechanical speed and other factors can avoid problems such as blistering during laminating and weak paper-plastic bonding. u003c/pu003eu003cpu003eu003c/pu003eu003cpu003e Film-coated non-woven bags are considered a relatively high-end product in the entire industry. Generally, large-brand companies or companies spend a lot of money to make a good packaging bags, print their own product or company LOGO, and use it as a good advertising medium. Some of the big customers I think all make non woven bags with film. For example, Wuliangye, Wangzi Milk, Jinliufu, Jiannanchun, etc. are all made of film-coated non-woven bags. u003c/pu003eu003cpu003eu003c/pu003e
Hangzhou Kuoshi Imp&Exp Co.,LTD. promises that we will manufature our products in accordance with the strictest quality standards.
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