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文章出處: 網責任編輯: 人氣: 發表時候:2019-11-30 04:39:57 關鍵字:

凱茵化工訊 不用黏合劑,就能把斷成兩半的玻璃接合在一起,聽起來是不可能完成的任務。日本東京大學研究人員發現,如果制作玻璃的材料是聚醚硫脲,做這件事就不費吹灰之力。

杜邦鈦白粉 R-104

日本新聞網站“火箭新聞”16日報道,研究人員原計劃開發新的黏合劑,卻偶然發現聚醚硫脲這種化合物具有自愈性能。

研究人員說,聚醚硫脲制成的玻璃如果斷裂,只要在室溫下合攏斷裂部分,稍加壓力數十秒,玻璃就能自我修復裂縫,而且堅固依舊。東京大學提供的視頻顯示,一塊長20毫米、寬10毫米、厚2毫米的聚醚硫脲半透明玻璃,一裂為二,研究人員分別用鑷子夾住兩部分,緊密貼合一會兒,兩部分玻璃就連在一起,隨后還能借助夾子勾起300克重的砝碼。

研究結果刊載于好新一期《科學》雜志。

Tokyo University polyether thiourea developed from the glass

Kailin Chem News can join two halves of glass together without adhesives, sounding an impossible task. Researchers at Tokyo University in Japan found that if the material used to make the glass is polythiourea, it would be easy to do it.

Japanese news site "Rockets News" reported on the 16th, the researchers originally planned to develop new adhesives, but occasionally found that polyether thiourea compounds with self-healing properties.

Researchers say that if a glass made of polythiourethiourea breaks down, the glass will self-repair the cracks as long as the broken part is closed at room temperature and a little pressure is applied for a while, and the firmness remains the same. The video provided by the University of Tokyo showed that a piece of polythiourea semitransparent glass, 20 mm long, 10 mm wide and 2 mm thick, was split into two pieces. The researchers tweened the two parts with tweezers and held them in close contact for a while. The two parts The glass is joined together, followed by a 300g weight with a clip.

The findings are published in the latest issue of Science.

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