By the end of 2023, China's annual EVOH consumption will be about 30,000 tons, but more than 90% of it is dependent on imports, mainly from international giants such as Japan Kuraray (Kuraray) and Japan Synthesis Chemical (JSR).
Chuanwei Chemical (a subsidiary of SINOPEC) is currently the closest to the industrialized production of EVOH enterprises, has built an annual output of 12,000 tons of EVOH (including EVOH EW-3201 and EVOH EW-3801) production equipment, and plans to add 24,000 tons of new production capacity in the future, with a total production capacity of 36,000 tons/year, which is expected to be the first enterprise to achieve large-scale production in China.
Dalian Institute of Chemical Physics, Chinese Academy of Sciences, has developed an EVOH preparation method based on alkaline deep eutectic solvent, which reduces the separation cost, improves the product purity and provides technical support for the localization of EVOH.
Shenzhen Institute of Advanced Polymer Research has successfully developed EVOH resins with performance comparable to that of international first-class products through continuous polymerization technology and polymer chain segment micro-regulation technology, filling the gaps in domestic technology.
Policy support: the national “14th Five-Year Plan” clearly puts forward to strengthen the independent research and development of high-end polymer materials, EVOH as a high-performance barrier material, by the policy encouragement and industrial funding support.
Market prospect: It is expected that after 2025, with the commissioning of domestic enterprises such as Chuanwei Chemical, the annual production capacity of EVOH in China is expected to exceed 50,000 tons, which will significantly reduce the dependence on imports, and some of the products may even be exported to the international market.
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