New chemical materials industry: showing new characteristics and facing new challenges

New chemical materials are key materials needed for national economic construction, mainly including high-performance polyolefin materials, special rubber, functional polymer materials, special fibers, special engineering plastics and their alloys, polyurethane, and silicone , organic fluorine, composite materials, microelectronic chemical materials, nanochemical materials, special coatings, special adhesives, special additives and other more than ten categories, widely…