1. Nanolithic paper
Everyone knows that straw pulp, wood pulp, bamboo pulp, hemp fiber, etc. are the most basic and common raw materials for papermaking, but with the application of nano high-tech in the field of papermaking, new technologies for making paper using stones have now been developed. The resulting paper is called nano-stone paper. It was first developed by Mr. Liang Shihui, a technology company in Longmeng, Taiwan, in early 2001 and started production at the end of the year. Today, many of these nano-papers have been produced.
Shike paper is made by coating nanometer calcium carbonate on the substrate. In view of the characteristics of nanometers, any substance can be coated when it reaches the nanometer level. Because the stone is rich in carbonic acid, it has become the material of choice in practical use. The papermaking process of Shike Paper is strictly different from the traditional papermaking process. It requires closer to the plastic manufacturing process, the production equipment is more similar to the plastic manufacturing equipment, and the process is not as complicated as traditional papermaking. An important difference between the two is that the production of Shike paper does not use pulp to make paper, so the whole process of objective existence does not require a drop of water. Compared with the huge water consumption of traditional paper, this can be regarded as a revolutionary progress. In addition, Shike Paper's papermaking process has stricter environmental requirements than traditional processes. The requirements are very fine and clean. As long as there is a little impurities, it will affect the surface finish and smoothness of the paper. Although only one type of color inkjet photo paper has been introduced for the vigorous production of this kind of paper, the paper patterns of printing paper such as newsprint and bond paper have also been produced, so it is believed that with the deepening of research, other printing Large-scale production with Shike paper is not far away.
Compared with the traditional similar products, this new color inkjet printing paper (Shike paper) has the following advantages: (1) Due to the objective existence, it is made of wood fiber, but is coated by nano-grade stone powder on the substrate The particle shape makes the paper surface composed of countless holes, so the ink absorption is fast, the inkjet printing is not easy to be turbid, and it can also be waterproof. (2) Traditional wood pulp paper has fiber, which is easy to smudge ink, while Shike paper has no fiber, and there is no ink smear phenomenon, so the clarity after inkjet printing is high. Inkjet printing photo paper requires extremely high resolution, Shike paper all achieve 2880dpi accuracy, and the printing effect is particularly good. The surface of Shike paper is not covered with a film, and the inorganic substances on the surface will not chemically react with the ink, thereby avoiding the occurrence of color cast and discoloration. (3) Compared with the ink consumption of traditional color inkjet printing paper, Shike paper is more ink-saving. The 720dpi accuracy of Shike paper is the same as that of traditional 1440dpi. Under the same definition requirements, Shike paper can save half of the ink. (4) The raw material used in Shike paper is inorganic, and it does not react with ink, acid or alkali components in the air, does not change color and yellow, and is more suitable for the preservation of valuable files. Traditional photo paper has a shelf life requirement, and it cannot be used after two months of opening. Shike paper easily solves this problem. There will be no problem of expiration and unusability for how long it is left. (5) Easy to recycle. Shike paper will be weathered into stone powder after three months of exposure, which is beneficial to environmental protection. (6) Low cost. Shike paper uses low-cost stones as raw materials, so the cost is low. Compared with traditional color inkjet printing paper, its cost is only 25%, and its selling price is only about 13, which fully improves the competitiveness of its products. However, the current product specifications of Shike Paper are not complete, and are mainly limited to the conventional small format of A1, A2, A3, A4. Large format products are still blank, but with the development of technology, large format products are produced It should be no difficult problem.
2. Antibacterial nano paper
Many organic antibacterial agents have the disadvantages of poor heat resistance, easy volatility, easy decomposition to produce harmful substances, and poor safety performance. To this end, people are actively developing and researching inorganic antibacterial agents, and the use of ultrafine technology can produce submicron and nanometer-level inorganic antibacterial agents, which can solve the shortcomings of organic antibacterial agents. The series of nano-level inorganic antibacterial agents include elements, oxides and various compounds. By mixing nano inorganic antibacterial agent into papermaking slurry and surface sizing solution, the paper antibacterial industrialization can be realized, such as physical antibacterial composite fiber nonwoven fabric, medical food packaging paper, high-grade household paper, etc. Inorganic antibacterial agents mainly include silver, copper, zinc, sulfur, arsenic and their ionic elements. Photocatalytic antibacterial agents include nano-sized titanium oxide, zinc oxide, silicon oxide, etc., which can kill and eliminate bacteria and debris together, thus exceeding the performance of traditional antibacterial agents that can only kill bacteria themselves. At the same time, the toxins secreted by bacteria can also be broken down, and traditional antibacterial agents cannot eliminate bacterial debris and toxins. MOD series nano high-performance inorganic antibacterial agent solves the worldwide problem of inorganic antibacterial agent discoloration in application. The antibacterial rate of packaging products with 0.5-2% addition amount can reach 99.9%. It is currently used in milk, beverage antibacterial packaging, Plastic products, functional coatings and special paper.
3. Wear-resistant, antistatic nano paper
In the diversified industrial supplies packaging, especially high-precision instrumentation appliances, stainless steel materials with high smoothness requirements and various alloy materials, the packaging lining paper not only requires the packaging paper to have waterproof, oil-proof, and rust-proof performance, but also requires It has the characteristics of high strength, abrasion resistance, antistatic and anti-aging, and it is difficult for ordinary paper to have these characteristics at the same time. However, if this kind of special paper is made by infiltrating powders such as nanometer titanium dioxide, chromium oxide, zinc oxide, iron oxide, tin dioxide, etc. into the papermaking slurry, it can have excellent Wear resistance, water resistance, corrosion resistance, etc., and it also produces good electrostatic shielding performance, greatly reducing its electrostatic effect, which can greatly improve the safety factor of packaging products.
4. Dyeing nano paper
The coloring materials used for paper coloring can be divided into dyes and pigments. Pigments for dyeing are mostly natural inorganic pigments, and some are organically synthesized. Pigments are insoluble in water, have no affinity with fibers, and dyeing performance is not as good as dyes, but pigments have strong optical rotation resistance and strong resistance to chemicals such as acids and alkalis. Although the dye is easy to color, it is easy to hydrolyze, it has a large loss in the wet part, strong pollution, poor color fastness to paper, and is not resistant to chemicals such as acid and alkali. If nano-scale pigments are used, the color fastness of colored paper can be solved. Recent studies have found that the addition of powders such as nano titanium dioxide, chrome yellow, iron oxide red, etc. to chemical fibers can cover the excessive irradiation of ultraviolet rays. Through computer simulation design, it is found that when the particle size of titanium dioxide particles is between 50 and 120 nanometers, the effect of absorbing ultraviolet rays is the best. Adding the shielding powder particles of this size range to the fiber can make a light-resistant matte high white paper. And bright colored paper, and can achieve the effect of anti-ultraviolet.
5. Inorganic fiber nano paper
The paper industry mainly uses plant fibers as raw materials, and now inorganic compounds are also used to produce specialty papers. Because the inorganic fibers processed by these inorganic materials have good dimensional stability, heat resistance, chemical resistance, flame retardancy and electrical insulation, these properties are unmatched by plant fibers. The representative inorganic fiber, glass fiber, can't withstand beating, and there is a lack of bonding between the glass fibers. The copied paper is very fragile, but if the diameter of the glass fiber is controlled below 100 nanometers, then it can be Solve the phenomenon of difficult paper forming caused by the small expansion and contraction of glass fiber and poor flexibility, which is conducive to the formation of interwoven fibers.
6. Color fragrant nano paper
With the development of science and technology, people's living standards continue to improve, and the requirements for paper quality are becoming higher and higher. Nowadays, a variety of flavors and colors of offset printing paper, writing paper and other series of paper have been developed and produced. This flavored paper not only has a soft and delicate color, but also contains a light fragrance. The application of nanotechnology to the development of perfumed paper will greatly improve the quality and printability of the perfumed paper, and the images of the printed high-end prints will be more delicate and realistic. Color-flavored paper is used in printed books, primary and secondary school textbooks, exercise books, notebooks and various children's books, etc., people will not feel dazzling due to the high whiteness of the paper when reading, thus reducing the fatigue of long-term reading , Has a certain effect on protecting eyesight and preventing myopia. Therefore, once this kind of flavored paper is launched, it is well received by the majority of users.
7. Nano flame retardant paper
It is paper that can prevent fire from burning. For it, no matter how much firepower, it will not cause burning. It is a nemesis of any kind of fire. It can only char and carbonize, but it does not catch fire. After this kind of paper is used, it can be treated as waste paper, and no harmful substances are released during natural degradation. Flame retardant paper is generally used for fireworks, fireworks, fireworks, Christmas toys, travel cookware, etc. It is an ideal green environmental protection product in today's festival products (a variety of festive scenes, creating indoor cheerful atmosphere, etc.). Some people even suggested using this kind of paper to make clothes for firefighters and other people who often deal with fire to prevent the clothes from burning and play a flame retardant role. In addition, the application of flame retardant paper to dry-type transformers has the advantages of safety, non-toxicity, flame retardancy and radiation resistance.
8. Magnetic Nano Paper
Magnetic paper can be recorded on a tape recorder like an audio tape, and it can also emit sound. The manufacturing method of magnetic paper is to contain magnetic substance powder inside the paper, or to attach magnetic substance powder on the surface of the paper, this paper has magnetism after the punching treatment; the paper itself has Magnetic, it can be directly attached to iron objects. The application of nanotechnology on magnetic paper makes the quality of the paper better and the magnetic effect better and longer lasting. Now this kind of magnetic paper will have wider and more novel uses in the fields of industrial and agricultural production, medical care, national defense, scientific research, culture, education and health, and people's lives.
In addition, nanotechnology and materials also play a special role in the development of paper products, such as the development and research of high-performance specialty paper products such as color-changing paper and energy storage paper. In addition, due to the excellent chemical activity of nanomaterials, it has broad application prospects as a catalyst in papermaking chemicals and wastewater treatment. In addition to the application of nanotechnology on paper, there are still many uses in the packaging and printing industry, such as nano adhesives and sealants in packaging and printing, nano magnetic materials, nano substrate packaging materials, nano catalysts and water purifiers , Nano-luminescent materials and anti-counterfeiting printing. In a word, as a high-tech with rapid research and development in recent years, its application in the printing field will be the same as other fields, and will continue to develop in depth and breadth.
The bath towel rack is generally divided into copper bath towel rack, stainless steel bath towel rack and aluminum alloy bath towel rack. It can be divided into movable towel rack and towel rack according to functions. Among them, the aluminum alloy towel rack has the highest cost performance, and its surface can be made into a variety of effects to meet the personalized needs of modern home decoration.
The bath towel rack is baptized by water, various dirt and cleaning supplies all day long, which is very easy to change chemically, so pay special attention to it during maintenance. The following maintenance methods can help you effectively maintain the towel rack, so that the service life of your towel rack will not be shortened due to the above reasons:
Maintenance of bath towel rack
1. We should develop the habit of opening doors and windows frequently, which can not only keep the air in the bathroom unblocked, but also contribute to the health of the family and absorb more fresh air.
2. The surface of the towel rack shall be wiped with soft cotton cloth and clean water frequently to ensure the bright luster. It is absolutely forbidden to use corrosive acid and alkali solutions, and it is also better not to use detergent for cleaning.
3. Usually, if we want to decorate, we must not let the paint touch the bath towel rack, because the paint has a great corrosive effect on the coating on the bath towel rack surface. Many bleaches, detergents and vinegar contain a lot of acidic substances, which have a strong corrosive effect. It is recommended not to use them.
Cleaning of bath towel holder
1. Wipe the towel rack with clean water and dry it with soft cotton cloth. Do not use any abrasive cleaner, cloth or paper towel, and any acidic cleaner, polishing abrasive or cleaner or soap to wipe the surface of the towel rack.
2. The long-term residue of various detergents and shower gels used at ordinary times on the chrome plated surface will degrade the surface luster of the towel holder and directly affect the surface quality. Please clean the surface of the towel rack with a soft cloth at least once a week, and it is better to use a neutral cleaner.
3. For stubborn dirt, surface scale film and stains that are difficult to remove, please use mild liquid cleaner, colorless glass cleaner or polishing liquid without abrasion effect to clean, and then clean the towel rack with clean water and wipe it dry with soft cotton cloth.
4. You can use a cotton wet rag coated with toothpaste and soap, gently wipe it, and then clean it with clean water.
5. The wax oil with strong decontamination ability can be applied on the clean white cotton cloth to thoroughly clean the whole product. The cycle is generally 3 months, which can extend the life of the bath towel holder. Remember to wipe the water stain dry after each cleaning, otherwise the surface of the pendant may have water stain and dirt.
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