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zhzh0731

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ÔÚPDMAEMA¾ÛºÏÎïµÄIR¹âÆ×ÖÐ(¼ûFig.S1, Supplementary data)£¬ÔÚ1732.32 cm-1µÄÎüÊÕ·åÖ¸ÈÏΪõ¥ôÊ»ùµÄÉìËõÕñ¶¯·å(C=O)£¬1150.34 cm-1µÄÎüÊÕ·å¶ÔӦΪC-O-CµÄÉìËõÕñ¶¯£¬¼×»ùµÄC-HÉìËõÕñ¶¯·å³öÏÖÔÚ2960 cm-1£¬2918 cm-1ºÍ2853 cm-1µÈ´¦¡£ÓëPDMAEMAµÄIR¹âÆ×Ïà±È£¬ÔÚPDMAEMA/PVA¸´ºÏ±¡Ä¤µÄIR¹âÆ×(¼ûFig.S1)ÖУ¬C=OºÍC-O-CµÄÉìËõÕñ¶¯·å³öÏÖÔÚÏàËÆÎ»Öã¬Î´·¢ÉúÎ»ÒÆ£¬Í¬Ê±ÔÚ3418 cm-1´¦³öÏÖÇ¿µÄÎüÊÕ·å·å£¬Ö¸ÈÏΪ¸´ºÏĤÖÐPVAµÄOHÉìËõÕñ¶¯·å£¬Õâ˵Ã÷ÔÚPDMAEMA¾ÛºÏÎïÖгɹ¦¼ÓÈëPVAÐγÉÁ˸´ºÏ²ÄÁÏ¡£
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alex1304

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zhzh0731(½ð±Ò+60): лл£¡²»´í 2011-05-01 08:52:29
Mally89(½ð±Ò+1): ¹ÄÀøÐ³棡~ 2011-05-03 10:10:25
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 ¨COH stretching of PVA. IR spectra results give supporting evidence that the PDMAEMA have been successfully added into PVA.
4Â¥2011-04-30 22:28:57
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sltmac

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zhzh0731(½ð±Ò+40, ·­ÒëEPI+1): ллÄãµÄ »ØÌû£¬ËƺõºÜ¶à˳ÐòÓÐÎÊÌ⣬¶øÇÒÓï·¨Ò²ÓкܶàÎÊÌâ 2011-04-30 15:02:45
IR spectra of PDMAEMA polymer was examined£¨Fig.S1, Supplementary C=O£©£¬1150.34data)£¬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 2853cm-1 were considered as the stretching vibration of C-O-C,respectively.The stretching vibration peaks of methyl appeared at the analogous position simultaneous 3418C=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.
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3Â¥2011-04-29 23:38:19
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