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zhzh0731金蟲 (小有名氣)
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[求助]
高分子紅外測(cè)試翻譯
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| 在PDMAEMA聚合物的IR光譜中(見Fig.S1, Supplementary data),在1732.32 cm-1的吸收峰指認(rèn)為酯羰基的伸縮振動(dòng)峰(C=O),1150.34 cm-1的吸收峰對(duì)應(yīng)為C-O-C的伸縮振動(dòng),甲基的C-H伸縮振動(dòng)峰出現(xiàn)在2960 cm-1,2918 cm-1和2853 cm-1等處。與PDMAEMA的IR光譜相比,在PDMAEMA/PVA復(fù)合薄膜的IR光譜(見Fig.S1)中,C=O和C-O-C的伸縮振動(dòng)峰出現(xiàn)在相似位置,未發(fā)生位移,同時(shí)在3418 cm-1處出現(xiàn)強(qiáng)的吸收峰峰,指認(rèn)為復(fù)合膜中PVA的OH伸縮振動(dòng)峰,這說明在PDMAEMA聚合物中成功加入PVA形成了復(fù)合材料。 |
榮譽(yù)版主 (知名作家)

榮譽(yù)版主 (知名作家)
| IR spectra of PDMAEMA polymer was examined(Fig.S1, Supplementary C=O),1150.34data),the peak at 1732.32 cm-1 was considered as the stretching vibration of C=O(the stretching vibration of C-H appeared at 2960 cm-1,the absorption peak occurred at 2918 cm-1 and 2853cm-1 were considered as the stretching vibration of C-O-C,respectively.The stretching vibration peaks of methyl appeared at the analogous position simultaneous 3418C=O and cm-1 et al).Compared with IR spectra of PDMAEMA,the existed stretching vibration of OH in the IR spectra of PDMAEMA/PVA composite films(fig.S1),this indicated that the composite material was succesfully fabricated via adding PVA into PDMAEMA polymer. |

| In IR spectrum of PDMAEMA (as shown in Fig. S1), the absorption peaks appearing at 1732.32, 1150.34, and 2960 cm-1 are attributed to the stretching vibration of carboxyl group C=O, C-O-C, and methyl group C-H, respectively. PDMAEMA/PVA films present the same C=O and C-O-C absorption peaks as those of PDMAEMA. Meanwhile, a new absorption peak found at 3418 cm-1 is due to hydroxyl group –OH stretching of PVA. IR spectra results give supporting evidence that the PDMAEMA have been successfully added into PVA. |
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