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幾句論文求大神翻譯成中文 謝謝
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Surface Wettability of Unmodified and Modified PHBV Films. The surface wettability of different PHBV films was investigated through a water contact angle method. The contact angle of the PHBV film was found to be 72 ( 1. After NH3 plasma treatment, the contact angle decreased to 36 ( 4 because of the increasing polarity and roughness of the surface caused by the introduction of hydrophilic groups.21,22 However, it was reported that within the first 3 h after treatment, the contact angle increased significantly. After 1 day of storage in air, the contact angle of theNH3 plasma-treated PHBV films reached a value similar to that of an unmodified surface. The effect of wettability reversal is likely due to chain relaxation processes and postreaction with the storage environment. |
金蟲 (著名寫手)
| 未修飾和修飾的PHBV膜的表面潤濕性。 通過水接觸角法研究了各種PHBV膜的表面潤濕性。經(jīng)發(fā)現(xiàn)PHBV膜的接觸角為72 ( 1。 經(jīng)NH3血漿治療后,接觸角減少到36 ( 4這是因為由引入親水基團所引起是表面極性和粗糙度增大。 21,22然而,據(jù)報道治療后3小時之內(nèi)接觸角顯著地增大。 空氣中存放1天之后, NH3等離子體處理過的PHBV膜的接觸角達到與未修飾表面相似的值。 潤濕性逆轉(zhuǎn)的影響很可能是由于鏈松弛過程和對貯存環(huán)境的補充反應(yīng)。 |
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