The hottest overseas returnees have developed new

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Returnees have developed new biodegradable packaging materials

sweet potato, corn, straw and bran as the main materials, bitter gourd, camphor leaves and porcelain clay as auxiliary materials, "cooking" has produced a "foam board". Do you know the working principle and classification of the fatigue testing machine? With these questions, Su Xiaohai, the chef of "this dish" recently showed his masterpiece to

In 1993, after Dr. Su Xiaohai graduated, Germany returned to Wuhan, China. He put the recycled plastic granulator, which was the main processing machine accumulated in trade, and invested the money from the vast customer group into the first environmental protection project - paper cups and paper bowls. He didn't stop and continued to invest in the world problem of white pollution. In the past five years, he led the R & D personnel of Hubei green world Technology Co., Ltd. through thousands of experiments, and finally created a set of technology to produce new biodegradable packaging materials from crop waste

this technology first modifies the waste mainly sweet potato and corn starch to make it close to the performance level of ordinary plastics. Starch is used as "cement". They selected straw, loofah vine and other waste plant fibers as "reinforcement" to enhance the compressive and seismic strength. Use camphor leaf extract to prevent insects, bitter gourd, pectin and other extracts to prevent mildew and corrosion

at the product exhibition site, he took the foamed particles to his mouth and said with a smile that if it was plastic, I wouldn't dare to eat it, because it was all natural biodegradable materials. I also ate one of them boldly, which tasted like popcorn

the Jin min we work heavy release new material created by Su Xiaohai exceeds the use index of plastic foam products in terms of strength, hardness, weight and other indicators, and the degradation index exceeds the relevant regulations of the national environmental protection department. It can replace the plastic foam inner packaging of electronic and mechanical products, and can be recycled as feed after being discarded. At present, this technology, which has obtained five national invention patents, has passed the pilot test, forming a fully automated production line from the processes of feeding, mixing, additives, mold foaming and molding. After large-scale production, the price is half lower than that of other types of packaging materials. Experts who participated in the appraisal believed that this technological achievement met the requirements of industrialized production

information source: Science and technology

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