Vacuum aluminum spray paper (or aluminum spray paper, aluminum coated paper, vapor-deposited paper) is a new type of green packaging material that has been more and more widely used in the packaging industry internationally since the 1980s. Because of its noble and beautiful metal texture, stable and reliable printing performance, and degradable and recyclable environmental protection properties, it is more and more popular.
Since 1992, vacuum spray aluminum waterproof wine label paper began to enter China's beer bottle sticker packaging market; from 1993, vacuum spray aluminum (gray bottom) cardboard was used in the domestic liquor, Tea, cosmetics, food, gift packaging market; 1997 Since then, vacuum-sprayed aluminum cards have entered the domestic cigarette packaging market, gradually replacing traditional aluminum foil cards, multi-film cards and other non-environmentally friendly packaging materials; in 2000, vacuum-sprayed aluminum liner paper began to enter China's cigarette packaging market. Some experts predict that in the early 21st century, vacuum-sprayed aluminum paper (card) will become the darling of China's packaging industry, and the market prospect is very optimistic.
Production process of vacuum aluminum spray paper
Vacuum aluminum spray paper can be divided into two methods: direct method (aluminum spray on paper) and transfer method (aluminum spray on film) according to the production process. The direct method is a method of placing paper directly in a vacuum aluminum spraying machine to spray aluminum. This method is limited to aluminum spray on tissue paper. The transfer method is based on PET, BOPP film as the transfer substrate, after coating, color spraying, aluminum spraying, compounding, peeling and other processes, the method is to transfer the aluminum sprayed molecular layer with metallic luster to the surface of paper or cardboard through the adhesive effect . This method can produce more than 40 to 450 grams of paper or paperboard. Compared with the direct method, the outstanding characteristics of the transfer method are: first, it can produce paper or paperboard of any thickness; second, it can make full use of the flatness of the PET film to make the metal gloss of the paper brighter; third, it can produce any radiant pattern , Laser anti-counterfeiting vacuum sprayed aluminum paper or cardboard for any text. Compared with the traditional gold cardboard, the vacuum-sprayed aluminum transfer cardboard has the following advantages: 1. The raw and auxiliary materials used in the production of aluminum spray paper are odorless, non-toxic, and meet the requirements of food hygiene (in line with the US FDA standard). It can be widely used in the exquisite packaging of tobacco, wine, bottle stickers, tea, food, cosmetics, crafts and other products, and can also be used in construction and decoration materials. 2. Good finish, high smoothness, bright color, bright appearance, strong visual impact, can improve product packaging grade. 3. It has excellent barrier properties, and has significant effects of moisture resistance and oxidation resistance. 4. Excellent printing performance and mechanical processing performance, suitable for gravure, letterpress, offset, flexo, screen printing, embossing, die cutting, and even embossing. 5. It has good degradation and recovery, is easy to handle and recycle, and meets environmental protection requirements. It is an essential packaging material for export products. At present, aluminum foil composite paper, which is widely used in the market, can neither be recycled as aluminum products nor as paper. Due to the complicated production process of aluminum spray transfer method, high technology content, and large equipment investment, it is difficult for general SMEs to imitate. At present, domestic Ruian Xinxin Packaging Materials Co., Ltd. and Jiangsu Daya Packaging Company have mature production technologies.
Application of vacuum aluminum spray paper
Aluminum spray paper has less aluminum and good degradability, which can save production costs and will not cause environmental pollution. It is an environmentally friendly green packaging material and is an alternative upgrade packaging material for aluminum foil composite paperboard. Aluminum-sprayed paper can be widely used in cigarettes, wine, bottle stickers, tea, food, cosmetics because of its good gloss and smoothness, good flexibility, high fastness of aluminum spray layer, and good printing performance and mechanical processing performance. , Exquisite packaging of handicrafts and other products can also be used for construction and decoration materials. In short, the vacuum aluminum transfer paper is not only gorgeous in appearance, but more importantly, it has anti-counterfeiting and degradability, and is an environmentally friendly product that conforms to international trends. The product has a wide application field, a huge potential market, and can replace imports, so the market prospect is optimistic. Today, more and more well-known enterprises have realized and started to apply this new packaging material to high-end packaging such as cigarette packs, gifts, and alcohol, which will definitely bring new development to China's packaging industry.
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