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Mineral paint is a new type of environmental protection paint developed by Merck paint industry in Germany, which is very popular in developed countries such as the European Union and the United States. In recent years, the domestic mineral coatings market has developed rapidly. The formulation and preparation technology of mineral pigments have been patented by China Intellectual Property Office in Chinese mainland. German merck kgaa has a production base in Dongying. HOHE seaweed mud mineral paint is refined from deep-sea seaweed mud as the main raw material, and mineral materials replace traditional petrochemical raw materials. The quality of the coating is greatly improved, which indicates that the architectural coating has reached a new height in color retention, air humidity balance, air purification, natural antibacterial and other functional indexes. Mineral paint has many advantages that traditional coatings can't achieve. The introduction of German HOHE seaweed mud mineral coatings has filled the gap in China mineral architectural coatings market. ? The birth of mineral paint The birth of seaweed mud mineral paint originated from the need to protect religious halls and murals in Swan Castle and even the whole of Europe. In medieval Europe, religious myths and art were widely circulated, and Europe had the most gorgeous religious architecture and lime mural art in the world. However, these buildings and murals are easily destroyed by the harsh climate in the northern Alps, which requires the development of a coating with outstanding protective performance to restore the original appearance of buildings and murals and prolong their life. The Mineral Coatings Research Center of Merck Company in Germany has successfully developed a mineral coating with better protection by replacing petrochemical raw materials with natural mineral components. This coating can penetrate into the mineral matrix and react with its surface, so that the coating can be combined with the building mineral matrix. It can not only beautify the building, but also protect the building from all kinds of bad weather, thus improving the service life of the building. Mineral coatings minimize the use of petrochemical raw materials, thus greatly improving the environmental protection of products. ? Composition of Mineral Paint The main components of seaweed mud mineral paint are original minerals such as seaweed mud, and the mineral components of seaweed mud are mainly opal and its varieties, followed by clay minerals-hydromica, kaolinite and mineral debris. Mineral debris includes quartz, feldspar, biotite and organic matter. The content of organic matter ranges from trace to over 30%. Seaweed mud is usually light yellow or light gray, soft, porous, light, and has strong water absorption and permeability. Widely used in food, medicine, daily chemicals, nuclear waste and sewage treatment and many other fields. For example: beer production filtration, drinking water purification, plasma and medical injection filtration, beauty and skin care products processing and manufacturing. The special porous structure of natural diatomite can be observed under microscope, which is the reason why seaweed mud has characteristic physical and chemical properties. The content of silica in natural seaweed mud often exceeds 70%. Silicate minerals are composed of more than 40 elements. In addition to Si and O necessary for silicate, inert gas ions (such as Na+, K+, Mg2+, Ca2+, Ba2+, Al3+, etc. ) and some transition ions (such as Fe2+, Fe3+, Mn2+, Mn3+, Cr3+, Ti3+, etc. ) exists in the form of metal cations. In addition, (OH)-, O2-, F-, C 1-, [CO3]2-, [SO4]2- exist in the form of additional anions. Isomorphic substitution widely exists in the chemical composition of silicate minerals. In addition to the substitution between metal cations, Al3+, Be2+ or B3+ often replace Si4+ in silicate free radicals, thus forming aluminosilicate, beryllium silicate and borosilicate minerals respectively. In addition, in a few cases, there may be (OH)- instead of O2- in silicate. ? The characteristic of mineral paint is 1. It can remove harmful substances such as free formaldehyde, benzene, ammonia, radon and TVOC released by some indoor materials (such as floors, core boards, sofas and furniture). ) After the renovation of formaldehyde new house. Seaweed mud mineral paint can effectively absorb and decompose harmful substances. Harmful substances such as decoration are absorbed, decomposed and eliminated by tens of thousands of small holes opened by seaweed mud. 2. Anti-fading and super-weatherability inorganic mineral coatings have stable molecular structure and super weatherability, and are suitable for any climatic conditions. The application of inorganic mineral coatings proves that the color of German Hall seaweed mud mineral coatings can not be changed by harsh climatic environment or high-intensity ultraviolet radiation. It is exposed to high-intensity ultraviolet radiation-equivalent to a year's natural weather, and its color shows no signs of changing. This test method highlights this feature. 3. Two-way ventilation and humidity control, breathing and humidity control are the most basic functions of seaweed mud. When the room is wet, the micropores of diatom mud suck in the water in the air and store it, and release it when the air is dry. Therefore, people call seaweed mud "breathing wall", which is the most comfortable humidity for human body, without humidifier, power supply and manipulation, so as to keep indoor comfort between 40-70 degrees. Due to the crystallization characteristics of seaweed mud mineral coating, it has good water vapor permeability, which ensures that the water existing in masonry can be smoothly removed from the building structure. The permeability of the building structure is also guaranteed, so the coating will not blister and fall off. 4. Algae-proof, mildew-proof, green and antibacterial The inorganic and alkaline components in the German Hall seaweed mud mineral paint can resist the growth of fungi and algae, thus ensuring the sanitation and cleanliness of the coating surface. The characteristics of non-condensation on the surface make it possible to create a clean and healthy environment by keeping the surface dry. It can effectively kill bacteria such as Escherichia coli and Staphylococcus, inhibit the spread of pathogens such as influenza and diarrhea, and has good mildew resistance, and has inhibitory effects on Aspergillus Niger, Aspergillus flavus and Aspergillus terrestris. 5. Eliminating Odor Seaweed Mud can remove various odors caused by domestic pollution, such as second-hand smoke smell, fishy smell, pet body odor and other unpleasant smells. Keep the indoor air fresh at all times. 6. Sound-absorbing and noise-reducing The countless micropores of seaweed mud mineral powder in seaweed mud paint can absorb and block the volume, and its effect is more than twice that of cement mortar and slate with the same thickness, and the reverberation is shortened by 50%. After working all day, I really want to go home and have a quiet rest. Old people who sleep very lightly want to have a quiet sleep. However, the running sound of cars and motorcycles, the barking sound of pets and the hawking sound of people can't make us feel peaceful.