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| Differential scanning calorimetry (DSC) was performed using a Perkine-Elmer DSC 7 in a nitrogen atmosphere at a heating rate of 10 C/min. Thermal gravimetric analysis (TGA) was performed with a PerkineElmer Pyris1 at a heating rate of 20 C/min in a nitrogen or air atmosphere. Dynamic mechanical analysis (DMA) was performed with a PerkineElmer Pyris Diamond DMA with a sample size of 2.0 1.0 0.2 cm. The storage modulus E' and tan d were determined as the sample was subjected to the temperature scan mode at a programmed heating rate of 5 C/min at a frequency of 1 Hz. The test was performed using a bending mode with an amplitude of 5 mm. Thermal mechanical analysis (TMA) was performed with a PerkineElmer Pyris Diamond TMA at a heating rate of 5 C/min. NMR measurements were performed using a Varian Inova 600 NMR in DMSO-d6, and the chemical shift was calibrated by setting the chemical shift of DMSO-d6 as 2.49 ppm. The infrared spectra were recorded using a Nicolet Avatar 320 FTIR spectrophotometer. |
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Differential scanning calorimetry (DSC) was performed using a Perkine-Elmer DSC 7 in a nitrogen atmosphere at a heating rate of 10 C/min. Thermal gravimetric analysis (TGA) was performed with a PerkineElmer Pyris1 at a heating rate of 20 C/min in a nitrogen or air atmosphere. ÔÚµªÆø»·¾³ÖУ¬ÒÔÿ·ÖÖÓÉÏÉý10ÉãÊ϶ȵļÓÈÈЧÂÊ£¬ÔËÓò¬½ð°£¶ûĬ¹«Ë¾ÑÐÖÆµÄ DSC7ºÅÒÇÆ÷£¬½øÐвîʾɨÃèÁ¿ÈÈ¡£Í¬Ê±£¬ÔÚµªÑõ»·¾³ÖУ¬ÒÔÿ·ÖÖÓÉÏÉý20ÉãÊ϶ȵļÓÈÈЧÂÊ£¬ÔËÓò¬½ð°£¶ûĬ¹«Ë¾µÄPyris1ºÅÒÇÆ÷£¬½øÐÐÈÈÖØ·ÖÎö¡£ Dynamic mechanical analysis (DMA) was performed with a PerkineElmer Pyris Diamond DMA with a sample size of 2.0 1.0 0.2 cm. ÔËÓò¬½ð°£¶ûĬ¹«Ë¾ÑÐÖÆPyris DiamondºÅ·ÖÎöÒǶԴóСΪ2.0cm*1.0cm*0.2cmµÄÑù±¾£¬½øÐж¯Ì¬Á¦Ñ§·ÖÎö¡£ The storage modulus E' and tan d were determined as the sample was subjected to the temperature scan mode at a programmed heating rate of 5 C/min at a frequency of 1 Hz. ζÈɨÃèÄ£Ðͱ»µ÷ÊÔΪÿ·ÖÖÓÉýÎÂ5ÉãÊ϶ȣ¬1HzµÄƵÂÊ£¬²âÁ¿´¢ÄÜÄ£Á¿E ºÍ½éÖÊËðºÄÒòÊý×÷ΪÑùÆ·²ÎÊý¡£ The test was performed using a bending mode with an amplitude of 5 mm. ¸ÃÏî²âÊÔÊÇÔÚÕñ·ùΪ5mmµÄÍäÇúģ̬ÉϽøÐеġ£ Thermal mechanical analysis (TMA) was performed with a PerkineElmer Pyris Diamond TMA at a heating rate of 5 C/min. ÒÔÿ·ÖÖÓÉÏÉý5ÉãÊ϶ȵļÓÈÈЧÂÊ£¬ÔËÓò¬½ð°£¶ûĬ¹«Ë¾ÑÐÖÆµÄ Pyris DiamondÒÇÆ÷£¬½øÐÐÈÈ»ú·ÖÎö¡£ NMR measurements were performed using a Varian Inova 600 NMR in DMSO-d6, and the chemical shift was calibrated by setting the chemical shift of DMSO-d6 as 2.49 ppm. ÔËÓÃ600HZ¸ß´Å³¡ºË´Å¹²ÕñÒÇ£¬ÒÔë®´ú¶þ¼×ÑÇí¿×÷ÊÔ¼Á£¬½øÐк˴ʲÕñ²âÁ¿¡£ ͨ¹ý½«ë®´ú¶þ¼×ÑÇí¿µÄ»¯Ñ§Î»ÒÆÉ趨ÔÚ2.49ppm£¬´Ó¶øÐ£×¼»¯Ñ§Î»ÒÆ¡£ The infrared spectra were recorded using a Nicolet Avatar 320 FTIR spectrophotometer. ÔËÓÃNicolet Avatar 320¸µÀïÒ¶ºìÍâ¹âÆ×ÒÇ£¬¼Ç¼±¾ÊµÑéµÄºìÍâ¹âÆ×¡£ |
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