Environmentally friendly "stone paper" has achieved industrial mass production

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Do not cut trees, do not use water, do not discharge sewage, do not vent, use stone to make paper. It sounds like a fantasy, but in fact, the printer has already realized it. On November 27th, Liaoning Shenmei Longmeng New Environmental Protection Material Co., Ltd. brought two different weights of stone paper produced by it to the 16th Beijing International Printing Information Exchange Conference. The reporter personally experienced the different textures of a stone paper.

If you don't touch it with your own hands, it's hard to tell which one is stone paper and which one is traditional paper, especially if you put stone paper and smooth coated paper together, it is hard to identify. However, after touching it in the hand, the reporter found that the stone paper and the traditional paper have distinctly different feels. The stone paper is more flexible, smoother and less prone to creases. It is this distinctive characteristic that gives the stone paper waterproof. Moisture-proof, flame retardant and other characteristics. Of course, due to its unique raw materials and production process, environmental characteristics are beyond doubt.

Zhao Wenxue, deputy general manager of Liaoning Shenmei Longmeng said: "The stone is ground into powder, and the auxiliary materials are blended. After processing, stone paper is born." However, its industrialization process is not as easy as it is said. According to reports, as early as 2010, stone paper has been applied in the two sessions of the country. At that time, various paper products such as notices, schedules, and label papers obtained by CPPCC members were printed on stone paper. Recalling that at that time, the stone paper was a real fire, and it also attracted great attention from the major media. At that time, a number of stone paper production enterprises did emerge in China. However, unfortunately, at the time, most companies' research and development on stone paper was only in the experimental stage. The high production cost also limited the pace of its expansion.

Today, stone paper has broken through the technical bottleneck and realized industrial mass production. For example, Liaoning Shenmei Longmeng, the largest stone paper production base in China and the world, has an annual production capacity of 120,000 tons. Don't underestimate this number. Zhao Wenxue explained: "This figure means that 35 square kilometers of forests are protected from deforestation every year, reducing carbon dioxide emissions by 90,000 tons, saving 11 million tons of water, and saving 50,000 tons of petrochemical products. T. "Imagine if this kind of stone-based environmentally friendly paper can be promoted in the future, and some substitutes or even replace traditional paper made of wood and plastic film, which will make a great contribution to environmental protection. This will not only make the paper industry get rid of the long-suffering high-pollution cap, but also break through the performance limitations of traditional paper raw materials, not only in the printing and packaging field, but also in the chemical, pharmaceutical, steel and other fields in the future.

Not only that, the way stone paper is recycled is as unique as its birth. In conventional channels, stone paper can be recycled by means of recycling of plastic resources, and reused after crushing. The difference is that if the plastic products are not recycled, they will become white pollution, and the stone paper will be different. If the stone paper is abandoned outdoors, after being exposed to ultraviolet light for about six to eight months, it will begin to shatter and become a broken eggshell shape and return to nature.

As a new thing, stone paper still has a long way to go. Since its birth, high prices have always been the soft underbelly in its development. However, with the increasing awareness of environmental protection and the continuous updating of technology in recent years, it is believed that the development opportunity of stone paper has arrived.

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