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qa535758874鐵蟲 (初入文壇)
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[求助]
英語論文翻譯,求助!大神幫幫忙!
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In fact, GO is a perfect candidate for fabricating novel superabsorbent hydrogels because of abundant hydrophilic groups on the surface [2–5]. It is easy for GO to form a good interfacial interaction with the hydrophilic matrix through chemical or hydrogen bonds. In addition, the thermal behavior and mechanical strength of the hydrogels may be enhanced owing to the outstanding thermal resistance and mechanical properties of GO sheets [4]. Moreover, it is expected that the swelling properties of the hydrogel nanocomposites may be improved due to the numerous hydrophilic groups on the surface of GO sheets. In this manuscript, we prepared a series of graphene oxide/poly(acrylic acid-co-acrylamide) (GO/P(AA-co-AM)) superabsorbent hydrogel nanocomposites via in situ radical solution polymerization. The effects of GO content on the chemical structure,morphology and miscibility of the super-absorbent hydrogels were studied by Fourier transform infrared spectroscopy (FTIR), wide-angle X-ray diffraction (WXRD), dynamic mechanical thermal analysis (DMA), field emission scanning electron microscopy (FESEM) and optical microscopy (OM). Additionally, the swelling behaviors, swelling kinetics and pH-responsive behaviors of the hydrogels were also evaluated in details. A basic understanding of the swelling behavior for super-absorbent hydrogel nanocomposites in the solutions with different pH values (1–13) is essential for a successful research and application of the new materials |
銀蟲 (小有名氣)
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事實(shí)上, GO(氧化石墨烯 graphene oxide)是制作新型高吸水性樹脂水凝膠的完美候選者,因?yàn)槠浔砻婢哂胸S富的親水集團(tuán)[2-5]。通過化學(xué)品或氫鍵GO和親水骨架容易形成良好的界面交互作用。另外,由于GO片出色的熱阻和力學(xué)性能,水凝膠的熱性能和機(jī)械強(qiáng)度會(huì)提高。 [4]. 除此之外,由于GO片表面有很多親水集團(tuán),預(yù)計(jì)納米復(fù)合水凝膠的膨脹性質(zhì)會(huì)提升。 在這份稿件中,我們準(zhǔn)備了一系列石墨烯/聚(丙烯酸-丙烯酰胺共聚物), 超強(qiáng)吸吸水性樹脂水凝膠納米復(fù)合材料通過在原位自由基溶液中聚合。GO含量對化學(xué)結(jié)構(gòu)的影響, 超強(qiáng)吸水性溶膠的形態(tài)和混溶性由利用下列方法研究:傅里葉變換紅外光譜(FTIR), 廣角x射線衍射(WXRD),動(dòng)態(tài)力學(xué)熱分析 (DMA), 場發(fā)射掃描電子顯微鏡(FESEM) ,光學(xué)顯微鏡(OM)。另外,也對水凝膠的溶脹行為、溶脹動(dòng)力學(xué)和PH響應(yīng)行為進(jìn)行了細(xì)致的評估。 基本了解超強(qiáng)吸吸水性樹脂水凝膠納米復(fù)合材料在不同酸堿值(1–13)溶液中的溶脹行為,對研究成功和新材料的應(yīng)用十分重要。 [ 發(fā)自手機(jī)版 http://www.gaoyang168.com/3g ] |
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