my country’s polycarbonate (PC) production capacity is gradually increasing, and the phosgene method is the mainstream preparation process

Polycarbonate (PC), also known as PC plastic, is a polymer containing carbonate groups in the molecular chain. It has high light transmittance, impact resistance, heat resistance, aging resistance, and strong electrical insulation. Features. With the gradual advancement of production technology, the types of polycarbonates are becoming increasingly abundant. According to the different ester group structures, they can be roughly divided into aromatic, aliphatic, aliphatic-aromatic, etc. Among them, aromatic polycarbonate has become a mainstream product in the industry due to its structural advantages.

At present, my country’s polycarbonate preparation technology is gradually mature. According to whether phosgene is used, it can be roughly divided into two categories: phosgene method and non-phosgene method. Among them, the phosgene method can be subdivided into lipid exchange method, solution phosgene method, interfacial polycondensation method, etc. Compared with the non-phosgene method, the phosgene method has the advantages of mature production technology, stable product performance, and excellent product quality, but it also has the disadvantages of relatively low environmental protection.

From the perspective of preparation methods, the phosgene method is still the mainstream preparation process for polycarbonate, accounting for 52.37% of the production capacity; followed by the non-phosgene method, accounting for 34.65% of the production capacity. With the gradual implementation of my country’s environmental protection policies, the non-phosgene method may become the mainstream process for producing polycarbonate in the future because it is more ecologically friendly.

The downstream application fields of polycarbonate are very wide, which can be roughly divided into electronic appliances, building materials, film sheets, automobiles, electricity, medical equipment, household products and other fields. Among them, electronic appliances are the largest application field of polycarbonate, with a market share of 30.14%; followed by film sheets, with a market share of 18.73%; household products rank third, with a market share of 16.21%.

According to the “China Polycarbonate (PC) Industry Development Trend and Development Prospects Forecast Report 2023-2027” released by the Industrial Research Center It shows that in recent years, with the rapid economic and social development in our country and the gradual increase in Internet penetration, the penetration rate of the consumer electronics market has gradually increased. Against this background, the scale of my country’s consumer electronics market is gradually expanding. In 2022, the size of my country’s consumer electronics market will be 1,865.01 billion yuan, a year-on-year increase of 3.17% from 2021. With its advantages of heat resistance, high mechanical strength, and strong light transmittance, polycarbonate has gradually become the main raw material for the production of electronic products, and the market demand has gradually increased. As my country’s production technology gradually advances, polycarbonate production capacity shows a trend of increasing year by year. From 2017 to 2022, my country’s polycarbonate production capacity increased from 952,000 tons to 3.211 million tons, with an average annual compound growth rate of 27.53%.

Industry analysts said that at present, the main foreign polycarbonate companies include Covestro, SABIC, Mitsubishi Chemical, Saudi Basic, and Rakuten Chemistry, etc., domestic large-scale polycarbonate companies mainly include Wanhua Chemical, Luxi Chemical, Shengtong Juyuan, Cangzhou Dahua, Shenma Chemical, Tongcheng New Materials, etc. Among them, foreign company Covestro has become the leading company in the industry, with a market share of 26.38%. As my country’s polycarbonate enterprises continue to develop, their independent research and development capabilities gradually improve, and the gap between production technology and international advanced technology gradually narrows, it is expected that domestic substitution will gradually be realized in the future.