After the paper packaging products are treated with UV glazing, they can improve their appearance, make the printing quality thick and full, gloss and moisturize, improve the decorative effect of paper products, and can significantly improve the folding resistance and chemical resistance, and improve their performance. To reduce the loss of products during transportation and storage. For products with high moisture resistance requirements (such as electrical appliances, etc.), the paper packaging products are treated with UV glazing to improve the moisture resistance of the packaging.
UV glazing has developed rapidly in recent years, and its proportion in the packaging and printing industry is gradually increasing, but at the same time, there are still many problems to be solved. The first is security. At present, the active diluents used in UV varnish have certain volatility or irritation, which still pollutes the environment. At present, the water-based UV varnish is under development. Who or thickener is used to replace the active diluent, thus solving the problem of volatility and irritation, it is an ideal environmentally friendly product.
Second is the smell problem. Now it is gradually developing towards low odor. At present, UV-glazed packaging products have not yet been fully recognized by the International Food and Drug Home and cannot be in direct contact with food. Therefore, it is necessary to improve the working conditions and environment, improve the drying effect, and be thoroughly cured, thereby reducing the odor.
The third problem is the adhesion to oxidative polymerization inks. Not only does it have odor and low gloss, but also it is difficult to attach the glue. Now double glazing is often used to improve the quality of UV glazing, but at the same time it also increases the cost. Therefore, it is necessary to improve the adaptability of UV varnish and ink.
Finally, there is the issue of cost reduction. Although the cost has dropped a lot, it is cheaper than the cost of BOPP composite membrane compounding. However, in China, there are many types of UV varnishes with different performances. Therefore, prices vary greatly. In general, the cost is still too high, and it is necessary to further reduce the varnish cost, coating cost and equipment operating expenses.
Scrubs can be divided into plant type, donkey milk type, essential oil type, pearl powder type, chemical type and flower essential oil type. Scrubs can be divided into facial and body treatments. An emulsifying cream containing insoluble solid abrasives used for deeper cleansing of facial skin. When using, massage the paste on the skin properly. While playing the cleaning role of oil, water and surfactant in the preparation, it can remove the difficult dirt and aging cuticle cells accumulated on the skin surface through the friction effect of apricot shell powder, nylon powder and other abrasives.
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