Analysis on the current situation of plastic addit

2022-08-19
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Analysis of the current situation of China's plastic additives industry

plastic additives are as important to plastic raw materials and products as food condiments are to people's daily life. They have penetrated into many links and levels from polymerization of plastic raw materials to processing and molding of products, from application to recycling, and occupy a special position in the plastic industry. They are important for improving and improving the performance of plastic raw materials and products and expanding their application scope, Plays a decisive role

China is the largest producer and consumer of plastic products in the world. Plastic additives have a broad market and good development prospects in China. At present, there are more than 700 enterprises, large and small, engaged in the production of plastic additives in China, with an output of 934300 tons in 2002. The main varieties of plastic additives involved in the plastic industry, such as plasticizers, heat stabilizers, light stabilizers, antioxidants, foaming agents, flame retardants, coupling agents, antistatic agents, impact modifiers and lubricants, are all produced in China, but compared with developed countries, they also have obvious deficiencies

take plasticizer as an example. Plasticizer is the product with the largest production capacity and consumption among plastic processing aids. Its output accounts for about 60% of the total output of plastic additives. It is mainly used in PVC products, and its consumption accounts for 80% of the total plasticizer. At present, there are more than 100 plasticizer production enterprises in China, but only 40 can produce normally, with an annual output of 650000 tons, while China's annual consumption is 1.15 million tons. The domestic output cannot fully meet the market demand, and a large number of imports are required every year. Accordingly, gongliucheng, chairman of the professional committee of plastic additives of China Engineering Plastics Industry Association, believes that, in fact, China's plasticizer industry does not lag behind developed countries. For example, Qilu plasticizer Co., Ltd., China's largest plasticizer manufacturer, ranks third in the world, with a device production capacity of 180000 tons/year. In 2002, the output of plastic additives increased to 165700 tons, also ranking first in the world. However, the problem now is that 80% of the units in China are used to produce DOP (dioctyl phthalate), and the development of new plasticizers is less. The quality of some small factories is unstable, affecting the reputation of the industry. He pointed out that although the carcinogenic debate of DOP has come to an end, the enthusiasm for developing and finding new non-toxic products in the world has not decreased. Therefore, the future development of China's plasticizer industry should focus on adjusting the industrial structure, and the scale of new and expanded production units in areas with raw materials and close to market advantages should be more than 50000 tons/year, so as to obtain economies of scale and enhance competitive strength; At the same time, we should pay attention to the development of varieties with special properties and multi-function to meet the needs of the plastic processing industry

in terms of product characteristics, rare earth heat stabilizers are the most representative. Gong Liucheng believes that heat stabilizers are one of the fast-growing categories in China's plastic additives industry. Among them, rare earth heat stabilizers have the advantages of high efficiency, low toxicity, small impact and low cost of newsprint and double offset paper. Because extruders account for 31% of the total output value of plastic machinery, China is rich in rare earth resources, and the development of non-toxic and cost-effective rare earth heat stabilizers has unique advantages. At present, production has begun to take shape, In the future, the progress of plastic granulator technology, which should be studied and developed, has a close relationship with the development of the whole national economy. At the same time, composite heat stabilizers are developing rapidly. Therefore, in the next few years, China should vigorously develop and promote dust-free composite heat stabilizers and rare and even full of risks and tests of soil heat stabilizers. Product production should also work towards large-scale, efficient, low toxicity, cheap and multi variety

there are many problems in the production of plastic additives in China, such as small plant scale, few varieties, backward technology, high consumption quota and unstable product quality. For example, the production capacity of heat stabilizer is 110000 tons, and there are more than 200 production enterprises; There are more than 40 manufacturers of light stabilizers and more than 50 manufacturers of antioxidants respectively, but the largest production plant located in Ningbo has a capacity of only 5000 tons/year, which is difficult to compete with foreign large enterprises. At the same time, the production proportion of some foreign eliminated products in China is also large, such as chlorinated paraffin, a backward variety of flame retardants. Therefore, experts in the industry suggested that we should pay attention to the adjustment of product structure and strengthen the research and development of efficient and low toxic products while expanding the production scale of existing products. In addition, accelerating the development and utilization of new functional additives developed in recent years, such as nucleating agents, antibacterial agents, nano materials, infrared barrier agents and degradation agents to solve the problem of "white pollution", will continue to improve the quality and performance of plastic products, expand the application field, and better provide strong technical support for the in-depth and wide development of China's plastic industry

for China's plastic additives industry, strengthening scientific research, improving product quality, adding new varieties, especially focusing on the development of functional additives, is the key problem to be solved at present. Strengthening the cooperation between scientific research institutions and production enterprises, expanding production scale, and organizing consortiums to reduce production costs and energy consumption are the only way to solve the problems faced by the development of China's plastic additives industry and improve the market competitiveness of production enterprises

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