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"Compared with other degradable materials such as polylactic acid (PLA), polyglycolic acid (PGA) has the characteristics of natural degradation, high barrier properties, high strength, and high heat resistance, and has a broad application field in China.
In recent years, in order to curb "white pollution" and promote sustainable development, various departments and localities of the State Council have successively issued or upgraded "plastic restriction orders" and "plastic ban orders" to promote the development of China's degradable material industry and further expand market demand for PGA
"Compared with other biodegradable materials, PGA can be degraded in the natural environment under the action of water or microorganisms, and it is a truly environmentally friendly material
In addition, Yan Guochun introduced that PGA also has strong high barrier properties, which can isolate oxygen, water vapor, carbon dioxide and organic vapor, and can be used in food, beverage, medicine and other packaging
"PGA can be used alone as a basic raw material to be processed into unique products, or it can be blended and modified with other traditional polymer materials to obtain more materials with different properties to meet different application needs
Huang Weijie, deputy general manager of Inner Mongolia Pujing Polymer Material Technology Co.
Talking about the energy consumption, process and production cost of PGA, Yan Guochun introduced that the raw coal consumption per ton of PGA product is only half of that of coal-to-olefin, the carbon dioxide emission of the process is about one-third of that of coal-to-olefin, and the production cost is also significantly lower than PLA
Industry insiders said that in the future, in accordance with the integrated and intensive layout of "coal - chemical industry - new materials - new energy", new energy and energy storage will be realized through "green hydrogen, green oxygen, green electricity, hydrogen storage, and energy storage".
(Du Yanfei)
"China Food News" (08 edition on April 23, 2021)
(Editor-in-charge: Qu Yuening)
