摘要
在 deuterated 答案的计策(N-isopropylacrylamide )(PNIPAM ) 的快阶段过渡的进程被激光学习导致的温度跳在毫微秒水平上与解决时间的中间红外线的吸收度差别光谱学相结合的技术。在 15651700 cm-1 的精力范围之中的 PNIPAM 的酰胺 I' 乐队的多山峰试验性地被解决到三个组(我， ii， iii ) 第一次，当时在阶段的不同三阶段的过程长链的 PNIPAM 的过渡过程也第一被观察。而且，合适的任务也被走向在酰胺 I' 乐队的三座组山峰和在动力学的三步长链的 PNIPAM 处理。
The fast phase-transitional process of ploy（N-isopropylacrylamide） （PNIPAM） in deuterated solution was studied by laser induced temperature jump technique combined with time-resolved mid-infrared absorbance difference spectroscopy on nanosecond level. The multi-peaks of amide I＇band of PNIPAM among the energy range of 1565-1700 cm^-1 was experimentally resolved to three groups （i, ii, iii） for the first time, while the distinct threestage procedure in the phase transitional process of long-chain PNIPAM was observed firstly too. Furthermore, proper assignments were also made for the three group peaks in amide I＇band and the three steps in the kinetics process of long-chain PNIPAM.
基金
This work was supported by the National Natural Science Foundation of China （No.20673107）, the National Key Basic Research Special Foundation of China （No.2007CB815203）, and the Knowledge Innovation Foundation of the Chinese Academy of Science （No.KJCX2-SW-H08）.
关键词
聚异丙基烯酰胺
激光诱导温度跃变
动力学
相变过程
Poly（N-isopropylacrylamide）, Laser induced temperature jump, Kinetic, Transient mid-infrared absorbance difference spectroscopy, Multistage, Transitional process
