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Current location: home page > Central information >Inorganic coatings -- the main force of architectural coatings market in the future? It is the first choice for home decoration in the future?

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Inorganic coatings -- the main force of architectural coatings market in the future? It is the first choice for home decoration in the future?
Click: eight hundred and sixty-six Issued by: theenglishtimes.com Release time: 2020-01-16

After the "coal smoke type" and "photochemical smog type" pollution, modern people are entering the third pollution period marked by "indoor air pollution". According to the statistics of China Center for Disease Control and prevention, at present, more than 92% of newly decorated houses exceed the standard of indoor formaldehyde. According to the statistics of Beijing Children's Hospital, more than 90% of children's families with leukemia in cities have been decorated within half a year. Pediatricians say that building and decoration materials are the main potential sources of indoor air pollution, and traditional chemical coatings are one of the main indoor pollutants.


Inorganic coatings -- the main force of architectural coatings market in the future? It is the first choice for home decoration in the future?


Pollution 1: benzene pollution


The harmful substances in traditional chemical coatings and putty mainly include VOC, benzene, formaldehyde, heavy metals (lead, mercury, etc.). Among them, benzene and its series are the main pollutants. Benzene can cause leukemia and aplastic anemia, which is also recognized by the medical community. Patients with excessive benzene inhalation may have dizziness, nausea, chest tightness, fatigue, and even coma and even death due to respiratory and circulatory failure. Chronic benzene poisoning can stimulate the skin, eyes and upper respiratory tract.


Benzene in home and office buildings mainly comes from building decoration, which uses a large number of chemical raw materials and volatilizes to indoor after decoration. The concentration of benzene in the raw material can exceed 14.7 times of the maximum allowable indoor air content. The benzene content in indoor air should not exceed 0.09/m2.


In order to prevent and reduce benzene pollution in home decoration, it is suggested to choose some environmental protection paint products. Pay attention not to seal the wall bottom with paint. This is a process that seriously pollutes the indoor environment and will cause benzene pollution for a long time. Do not use furniture made of inferior big core board or density board, it releases formaldehyde or benzene in large quantities for a long time.


Pollution 2: formaldehyde pollution


The best way to avoid the pollution of home decoration is to eliminate it from the root. On the wall decoration materials, inorganic coatings without formaldehyde, VOC and other harmful substances can be used.


1. What is inorganic coating?


Inorganic coating is a kind of water-based architectural decoration coating mainly made of pure natural inorganic mineral raw materials. Its main component is oxidized modified potassium silicate. The product structure is a network multi sphere molecular composition. After the film is formed, a conductive waterproof layer is formed to block the basic substance attached to the water vapor in the building matrix. Inorganic components in the coating and inorganic substances in the organic matter have chemical reaction to form inorganic substances, which are solidified into a film, and are integrated with the matrix, and never fall off. The modified potassium silicate can be compatible with various inorganic pigments. It can not only keep the original color of the color, but also play a role in curing, so that the film will never fade. Based on the above principles, the natural environmental protection, fire and flame retardant, acid-base resistance, non-aging, super weatherability and other characteristics of the inorganic coatings are promoted.


2. Environmental trends


The rapid development of modern world economy and industrialization has led to the rapid deterioration of the earth's environment, and serious pollution threatens the living space of mankind. "Green" and "environmental protection" are the requirements for coating industry after people attach great importance to ecological environment protection, and are also the development direction of coatings.


For a long time, organic coatings have been widely used because of their good decoration, variety and low price. However, because the main raw materials of organic building coatings come from coal, oil, natural gas and other natural resources, a large number of by-products, volatile solvents and residual monomers will be produced during the processing, which not only causes environmental pollution, but also wastes a lot of resources and energy. At the same time, the organic coating is painted on the wall surface to form a film with the external wall. The pressure generated by air and moisture is affected by temperature and moves on the surface of the airtight inner and outer wall, which continuously acts on the coating film. After a period of time, the wall coating will appear hollowing, bubbling and even peeling off.


Compared with these defects of organic coatings, inorganic coatings have good air permeability, anti pollution and excellent comprehensive environmental protection performance. With more and more strict requirements on the performance and environmental protection of architectural coatings, developed countries abroad attach great importance to the performance research, production and application of inorganic coatings, and have done a lot of work in these aspects. Our country starts late in this respect, but the starting point is higher.


Inorganic coating is a new generation of interior and exterior wall coatings based on cement-based inorganic water hardener and natural plant rubber powder in the latest international research field. At the same time, it adopts oxidation modified water-borne mineral coating, which is green and environmentally friendly, and has broad-spectrum antibacterial property. The antibacterial rate of a variety of bacteria and mold in 2 minutes is more than 99.98%.


When the coating is applied on cement mortar, concrete and masonry surface, it is firmly combined with the wall through Petrochemical reaction, and there is no obvious interface layer, which is fundamentally different from the film-forming principle of organic coatings in the past. The test results show that the test block of inorganic mineral interior and exterior wall coating does not change color when boiled in boiling water for 72 hours, and the coating does not blister, roll and fall off. This kind of cement-based inorganic interior and exterior wall coating has the remarkable characteristics of non combustion supporting and acid and alkali resistance.


In the future architectural paint market, the concept of green, inorganic and environmental protection will be deeply rooted in the hearts of the people, and only the truly green environmental protection is really accepted by people.


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Jiaxing demingway Building Materials Technology Co., Ltd. copyright 2012 technical support: TianDun network