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Common problems and solutions of BOPP precoating film
The pressure of the rubber roller is too large, resulting in the deformation of the film, so the pressure should be appropriately reduced.
07
2023
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01
Industry development trend of various substrates for pre-coating
The main raw materials for precoating film are BOPP film, EVA hot melt adhesive, BOPET film and LDPE hot melt adhesive.
Introduction of several advantages of precoating film
First, since no harmful substances are produced during the precoating process, the precoating process is more environmentally friendly.
The advantages of precoating film over film covering
That is, the common point of blistering and film stripping of the film-coated products processed by the gluing wet composite process is that the film breaks away from the substrate of paper and printing, and damages the compactness and smoothness of the paper/plastic composite.
Application of anti-scratch film
Laminating is to mount a layer of transparent plastic film on paper products. The film covering is divided into "light film" and "dumb film". The outer surface of the optical film is glittering and translucent, colorful, and will not change color for a long time.
23
2020
Discussion on the market development prospect of BOPP film
BOPP film is a kind of film made of polymer polypropylene melt through a narrow and long die into sheet or thick film, and then stretched in two vertical directions (longitudinal and transverse) at a certain temperature and a set speed in a special stretcher at the same time or step by step
What are the advantages and applications of BOPP film
The surface energy of BOPP film is low, and corona treatment is required before gluing or printing. After corona treatment, BOPP film has good printing adaptability, and can be overprinted to obtain beautiful appearance effect, so it is often used as the surface material of composite film.
17
06
How to improve the wear resistance of BOPP film?
To improve the wear resistance of biaxially oriented polypropylene membrane (BOPP membrane), a novel polypropylene surface modification coating with good transparency and wear resistance was prepared by sol-gel method, using silane coupling agent (KH550), aluminum sec butanol (ASB) and ethyl orthosilicate (TEOS) as precursors, solid acid (p-toluene sulfonic acid) as catalyst