In 2005, the total production capacity of trimellitic anhydride in China has reached 56,000 tons, making it one of the world's major producers of trimellitic anhydride. It is estimated that the total production capacity of trimellitic anhydride in China will exceed 65,000 tons by 2006, and the consumption will only be about 19,200 tons at that time. As long as the plant operating rate reaches 30%, it can meet the needs of the domestic market, and the production capacity is already Serious excess.
According to statistics, by the year of 2004, the annual output of trimellitic anhydride in China will be approximately 18,000 tons with a demand of approximately 14,500 tons; in 2005, the total demand for trimellitic anhydride will reach 17,500 tons, and in 2006 it will reach 19,200 tons. . Among them, trimellitic ester plasticizers and powder coatings will still be the major consumer areas. In addition, a small amount of film flocculants for aircraft, aircraft engine oil and sodium salt of sodium salt of anionic surfactant anion. The consumption of trimellitic anhydride in recent years is composed of 49.24% of plasticizers, 38.00% of polyester resins, 7.14% of high-grade insulating materials, 4.73% of high-temperature curing agents, and 0.89% of other high-temperature curing agents.
Plasticizer China Trimellitic anhydride is mainly used for the production of plasticizer trimellitic anhydride trioctyl ester (TOTM). In 2004, the total production capacity of plasticizers in China was about 38,000 tons, with a total output of about 18,000 tons and about 8,500 tons of trimellitic anhydride. With the development of China's PVC wire and cable industry, the demand for TOTM will further increase. In 2005, the demand for TOTM in China reached approximately 19,000 tons, and the corresponding demand for trimellitic anhydride reached approximately 8,500 tons. It is estimated that the demand for TOTM in China will reach approximately 21,000 tons in 2006, and the corresponding demand for trimellitic anhydride will reach approximately 9,500 tons.
Powder coating uses trimellitic anhydride as raw material to produce polyester resin, which is then mixed with epoxy resin to make powder coating in a ratio of 1:1. In recent years, China's powder coatings have developed rapidly, of which polyester/epoxy powder coatings account for about 80%. In 2004, the demand for trimellitic anhydride in powder coatings in China was approximately 4,100 tons. In 2005, the demand for powder coatings in China reached approximately 180,000 tons, of which the demand for polyester/epoxy powder coatings was approximately 140,000 tons, and the demand for trimellitic anhydride reached approximately 6,500 tons. It is estimated that by 2006 China's demand for powder coatings will reach approximately 200,000 tons, of which the demand for polyester/epoxy powder coatings will be approximately 150,000 tons/year, and the demand for trimellitic anhydride will reach approximately 7,000 tons.
Insulating Materials Polyimides, polyamide-imide paints and polyester-imide paints prepared from trimellitic anhydride are mainly used as F-class and H-class motor insulation materials. In 2004, the consumption of trimellitic anhydride was about 1,500 tons. As the motor industry increases the explosion-proof performance of the motor, the amount of high-grade insulating paint materials that can withstand high temperatures will maintain a high rate of growth. The demand for trimellitic anhydride in 2005 reached approximately 1,600 tons. It is estimated that the demand for trimellitic anhydride in China's insulating paint will reach approximately 1,700 tons by 2006.
The curing agent trimellitic anhydride can be used to produce epoxy high temperature curing agents. Trimellitic anhydride can cure the resin in a short time and has good physicochemical properties. It is an ideal high temperature curing agent. The demand for trimellitic anhydride in 2004 was about 500 tons, which increased to 520 tons in 2005. It is expected that by 2006, the demand will increase to about 550 tons.
Modified alkyd resin modified by trimellitic anhydride alkyd resin paint can significantly improve the degree of crosslinking, dryness and hardness, is a new type of water-soluble paint, mainly used in electrophoretic coating of automobiles, refrigerators, washing machines, etc. Primer. Consumption of trimellitic anhydride in China's modified alkyd resin was about 250 tons/year in 2004, and about 270 tons in 2005. It is estimated that by 2006, the demand for trimellitic anhydride will reach about 300 tons.
Other aspects In addition to the above-mentioned consumption areas, trimellitic anhydride can also be used as a flocculant for motion picture film, a lubricant additive for aircraft engines, and an anionic surfactant such as trimellitate sodium salt. In 2004, the demand for trimellitic anhydride in these consumption areas was approximately 150 tons. It increased to about 170 tons in 2005. It is expected that the demand for trimellitic anhydride will not increase significantly in the future. By 2006, the consumption of trimellitic anhydride in these areas would be approximately 200 tons.
It can be seen that the total demand for trimellitic anhydride in China is estimated to be about 17,500 tons in 2005. By 2006, the total demand for trimellitic anhydride will reach 19,200 tons per year, including trimellitic ester plasticizers and powder coatings. It will remain the main consumer field, but the proportion of the former in consumption will gradually decline, while the proportion of powder coatings in consumption will continue to increase.
According to statistics, by the year of 2004, the annual output of trimellitic anhydride in China will be approximately 18,000 tons with a demand of approximately 14,500 tons; in 2005, the total demand for trimellitic anhydride will reach 17,500 tons, and in 2006 it will reach 19,200 tons. . Among them, trimellitic ester plasticizers and powder coatings will still be the major consumer areas. In addition, a small amount of film flocculants for aircraft, aircraft engine oil and sodium salt of sodium salt of anionic surfactant anion. The consumption of trimellitic anhydride in recent years is composed of 49.24% of plasticizers, 38.00% of polyester resins, 7.14% of high-grade insulating materials, 4.73% of high-temperature curing agents, and 0.89% of other high-temperature curing agents.
Plasticizer China Trimellitic anhydride is mainly used for the production of plasticizer trimellitic anhydride trioctyl ester (TOTM). In 2004, the total production capacity of plasticizers in China was about 38,000 tons, with a total output of about 18,000 tons and about 8,500 tons of trimellitic anhydride. With the development of China's PVC wire and cable industry, the demand for TOTM will further increase. In 2005, the demand for TOTM in China reached approximately 19,000 tons, and the corresponding demand for trimellitic anhydride reached approximately 8,500 tons. It is estimated that the demand for TOTM in China will reach approximately 21,000 tons in 2006, and the corresponding demand for trimellitic anhydride will reach approximately 9,500 tons.
Powder coating uses trimellitic anhydride as raw material to produce polyester resin, which is then mixed with epoxy resin to make powder coating in a ratio of 1:1. In recent years, China's powder coatings have developed rapidly, of which polyester/epoxy powder coatings account for about 80%. In 2004, the demand for trimellitic anhydride in powder coatings in China was approximately 4,100 tons. In 2005, the demand for powder coatings in China reached approximately 180,000 tons, of which the demand for polyester/epoxy powder coatings was approximately 140,000 tons, and the demand for trimellitic anhydride reached approximately 6,500 tons. It is estimated that by 2006 China's demand for powder coatings will reach approximately 200,000 tons, of which the demand for polyester/epoxy powder coatings will be approximately 150,000 tons/year, and the demand for trimellitic anhydride will reach approximately 7,000 tons.
Insulating Materials Polyimides, polyamide-imide paints and polyester-imide paints prepared from trimellitic anhydride are mainly used as F-class and H-class motor insulation materials. In 2004, the consumption of trimellitic anhydride was about 1,500 tons. As the motor industry increases the explosion-proof performance of the motor, the amount of high-grade insulating paint materials that can withstand high temperatures will maintain a high rate of growth. The demand for trimellitic anhydride in 2005 reached approximately 1,600 tons. It is estimated that the demand for trimellitic anhydride in China's insulating paint will reach approximately 1,700 tons by 2006.
The curing agent trimellitic anhydride can be used to produce epoxy high temperature curing agents. Trimellitic anhydride can cure the resin in a short time and has good physicochemical properties. It is an ideal high temperature curing agent. The demand for trimellitic anhydride in 2004 was about 500 tons, which increased to 520 tons in 2005. It is expected that by 2006, the demand will increase to about 550 tons.
Modified alkyd resin modified by trimellitic anhydride alkyd resin paint can significantly improve the degree of crosslinking, dryness and hardness, is a new type of water-soluble paint, mainly used in electrophoretic coating of automobiles, refrigerators, washing machines, etc. Primer. Consumption of trimellitic anhydride in China's modified alkyd resin was about 250 tons/year in 2004, and about 270 tons in 2005. It is estimated that by 2006, the demand for trimellitic anhydride will reach about 300 tons.
Other aspects In addition to the above-mentioned consumption areas, trimellitic anhydride can also be used as a flocculant for motion picture film, a lubricant additive for aircraft engines, and an anionic surfactant such as trimellitate sodium salt. In 2004, the demand for trimellitic anhydride in these consumption areas was approximately 150 tons. It increased to about 170 tons in 2005. It is expected that the demand for trimellitic anhydride will not increase significantly in the future. By 2006, the consumption of trimellitic anhydride in these areas would be approximately 200 tons.
It can be seen that the total demand for trimellitic anhydride in China is estimated to be about 17,500 tons in 2005. By 2006, the total demand for trimellitic anhydride will reach 19,200 tons per year, including trimellitic ester plasticizers and powder coatings. It will remain the main consumer field, but the proportion of the former in consumption will gradually decline, while the proportion of powder coatings in consumption will continue to increase.