All-hydrogen polysilazane liquid coating: Ushering in a new era of high-performance coatings

1.The technological revolution of nanoscale protective materials
All-hydrogen polysilazane liquid coating, as a new generation of inorganic-organic hybrid material, achieves molecular-level protection through a unique Si-N bond chemical structure. Its core component is a fully hydrogenated polysilazane polymer, which can rapidly transform into a nano-scale silica ceramic layer at room temperature or under heating conditions, with a hardness of over 9H and a temperature resistance range covering -60 ℃ to 1800℃. This material has broken through the performance limits of traditional organic coatings. For instance, it can maintain structural integrity even at a high temperature of 1000℃. Moreover, through the transformation reaction from Si-N bonds to Si-O bonds, it forms a dense SiO₂-Si₃N₄ composite ceramic phase, with a thermal expansion coefficient that perfectly matches that of the metal matrix. Effectively avoid cracking and peeling problems under high-temperature working conditions.

2. Disruptive breakthroughs in multi-field application scenarios
In the aerospace field, this coating has been used for the protection of turbine engine blades. Measured data shows that it can increase the service life of components by more than three times under the working condition of 1800℃. In the electronics industry, it is used as a spin-coated glass material to achieve nano-scale flatness treatment on the surface of wafers in semiconductor lithography processes, helping the production capacity of 12-inch wafers exceed 2.5 million pieces per month. In the field of new energy, inorganic passivation layers prepared by solution method are applied to inverted organic solar cells, achieving a photoelectric conversion efficiency of 18.55% and extending the device's lifespan to 24,700 hours. In addition, in the field of food packaging, this coating, when combined with biodegradable films, forms a high-barrier coating with a light transmittance of over 90%, reducing the oxygen transmission rate to below 0.01cc/(m² · day · atm).

3. A New Paradigm for Green Manufacturing and Sustainable Development
This material is produced by the ammonium hydrolysis method of chlorosilane. Through a multi-stage purification system, the metal impurities are controlled below 5ppm, which complies with the EU REACH regulation and RoHS 2.0 standards. The development of environmentally friendly water-based systems has further reduced VOC emissions by 90%, gradually replacing chromium-containing heavy metal coatings in high-temperature industrial scenarios such as electric arc furnaces. It is worth noting that its curing process only releases ethanol by-products, and the discarded coating can be converted into harmless silica through high-temperature incineration, achieving environmental friendliness throughout its entire life cycle. At present, Asia's first 1,000-ton continuous production line has been completed. The large-scale production has reduced the cost by 40% compared with traditional high-temperature resistant coatings.

4. Dual drive of technological innovation and industrial upgrading
A domestic research team has developed a copolymerization modification process suitable for rapid ceramicization by optimizing the crosslinking density of Si-N through catalytic cracking technology, and the applicability of the terminal product has been improved by 300%. At the policy level, the "Guidance Catalogue for the First Batch Application Demonstration of Key New Materials" has listed it as a strategic emerging material. The 2025 government work report has explicitly stated its support for the research and development of cutting-edge technologies such as hydrogen catalysis and carbon capture, injecting strong impetus into the industry's development. According to market forecasts, the global market size of all-hydrogen polysilazane is expected to exceed 1 billion US dollars in 2025. As the largest consumer market, China is projected to achieve a compound annual growth rate of 15%. With the explosive demand in emerging fields such as 5G communication and new energy vehicles, this material, which combines high performance and environmental friendliness, is becoming a key support for the upgrade of Industry 4.0.