Although China's fluorine coating industry has made impressive progress over the past five years, it still lags significantly behind international standards in terms of technology and product quality. Despite this growth, several key challenges remain that hinder the industry's full potential.
First, large-scale production of vinyl ether-based products is still not widely achieved domestically. Most manufacturers use vinyl ester as a comonomer, which prevents the formation of a regular alternating structure between fluoromonomer and comonomer units in the polymer chain. This irregularity affects the weather resistance and salt spray performance of fluorine coatings. Additionally, some resin products fail to meet quality standards, with limited variety, poor color options, and heavier formulations. In certain specialized areas, key fluorine resins have yet to be developed, limiting application possibilities.
Second, there is a lack of convincing natural exposure data, which makes it difficult for users to fully trust the long-term performance of fluorine coatings. As a result, some market opportunities are lost. To address this, the Fluorine Coatings Special Committee of the China Chemical Society has initiated efforts to collect and release such data. The first batch of results has now been made public, providing real-world evidence of the superior weather resistance of fluorine coatings. These data will also serve as a foundation for revising future industry standards.
Third, there is a shortage of skilled professionals specializing in fluorine coatings. No team in China has yet reached an international level in both theoretical research and practical application, from quality control to on-site construction.
Fourth, basic theoretical research in this field remains underdeveloped. Domestic researchers have published fewer monographs and reports compared to their global counterparts. Moreover, the equipment used for scientific and industrial research is still lagging behind. In the production of trifluororesin, most companies rely on foreign models, often using chlorotrifluoroethylene and vinyl esters as copolymers.
Fifth, there is almost no room for room-temperature curing of tetrafluororesin. Only Daikin Corporation in Japan offers such products, and the technology is closely guarded.
Lastly, the lack of fundamental research and scientific innovation has become a major obstacle for China’s fluorine coatings to catch up with global leaders. After more than 20 years of effort, Japan has not only caught up with the U.S., but has also developed its own innovations. China started researching fluorine materials in the late 1950s, around the same time as Japan, but now lags far behind both Japan and the U.S. Therefore, it is crucial to strengthen basic research and promote innovation to bridge this gap.
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