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zcx215銀蟲 (小有名氣)
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[求助]
聚L乳酸最早由誰合成的
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| 求助! 聚L乳酸最早由誰合成的及相關(guān)文獻(xiàn)? |
鐵桿木蟲 (小有名氣)
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Polylactic acid is not a new material. It has been around for decades. In 1932, Wallace Carothers, a scientist for Dupont, produced a low molecular weight product by heating lactic acid under a vacuum. In 1954, after further refinements, Dupont patented Carothers' process (Lunt, James and Shafer, Andrew. "Polylactic Acid Polymers from Corn: Potential Applications in the Textiles Industry." Internet. Available (April 2002) http://www.cdpoly.com/pdf/lunttech.pdf) |
木蟲 (著名寫手)
鐵桿木蟲 (職業(yè)作家)
銀蟲 (小有名氣)
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