甲殼素除甲醛-研究文獻（一）

甲殼素除甲醛-研究文獻

早前向   IAQ更新室內空氣質素服務供應商名錄中服務材料為甲殼素時，審核人員要求我們提供有關甲殼素除甲醛的研究文獻，原來甲殼素這原料尚未普及，很多人未知道其成效，找尋中文的文獻實在很少，英文就有不少研究證實甲殼素其净化能力及吸附空氣中的甲醛。

以下研究是 2018年   American Journal of Agriculture and Forestry，用Chitin幾丁質作爲測試；幾丁質再經高度去乙醯化後可生成的幾丁聚糖(CHITOSAN)，或稱幾丁胺醣，被科學家譽為“第六生命要素”。

”The main active ingredient of formaldehyde purification and anti-cracking eco-board are chitin and nano-silicon, etc.

Chitin is an organic natural material with a high molecular weight. It has been recognized by the scientific community as the sixth largest element of human life. It has a stable unsaturated positive charge structure and a strong adsorption capacity for small molecular free substances. Nano wafer shave about 20,000 negative charges/unit. The strong negative electric field can adsorb formaldehyde and other gas molecules in the air to the surface of the plate. The active amino in the chitin then decomposes these substances into water molecules, and the nano-silicon tablets also function as a sterilizer, thereby achieving the effect of air purification. “

幾丁聚糖的結構特殊，具有強大反應性的胺基( -NH₂ )，可與許多有害氣體進行化學反應，因此對於逸散至空氣中的甲醛、TVOC等有毒氣體，皆能將其捕捉「分解」，並轉化成水氣和揮發性極低的無害物質“肟”（通式為RC=NOH的有機化合物）。

參考：

Liu Yaunqiang, Liu Yixin, Weng Yaolie, Guo Bingtuo, Ye Jiaoyou. Discussion on Production Technology of Formaldehyde Purification and Anti-cracking Ecological Board and the Intuitive Display Experiment. American Journal of Agriculture and Forestry. Vol. 6, No. 4, 2018, pp. 98-102. doi: 10.11648/j.ajaf.20180604.16

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