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冰凍聚合PNIPAM水凝膠 已有1人參與
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之前在文獻(xiàn)里看到過用冰凍聚合法制備PNIPAM水凝膠,沒看懂在低溫條件下為啥能發(fā)生聚合呢?一般不都是在室溫下進(jìn)行反應(yīng)嗎?溫度低了聚合不了吧?冰凍條件該怎么聚合呢?有沒有人做過相關(guān)實(shí)驗(yàn)啊。。 發(fā)自小木蟲Android客戶端 |
金蟲 (正式寫手)
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Strachota B , Matějka, Libor, Sikora, Antonín, et al. Insight into the cryopolymerization to form a poly(N-isopropylacrylamide)/clay macroporous gel: structure and phase evolution[J]. Soft Matter, 2017, 13(6):1244-1256. 楊桔, 霍丹群, 侯長軍, et al. 冷凍聚合法制備多孔P(NIPAm-co-AAm)水凝膠及其性能研究[J]. 功能材料, 2011, 42(2):343-346. 發(fā)自小木蟲Android客戶端 |
金蟲 (正式寫手)
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Bai H, Polini A, Delattre B, et al. Thermoresponsive composite hydrogels with aligned macroporous structure by ice-templated assembly[J]. Chemistry of Materials, 2013, 25(22): 4551-4556. Wu J, Zhao Q, Liang C, et al. Enzymatically degradable oxidized dextran–chitosan hydrogels with an anisotropic aligned porous structure[J]. Soft Matter, 2013, 9(46): 11136-11142. 這里也有兩篇可以參考的,感覺想表達(dá)的意思就是低溫下也可以聚合,只是化學(xué)反應(yīng)進(jìn)行的比較慢,而且可能不那么徹底。 |
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