کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
5182065 | 1380979 | 2013 | 6 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Phosphoramidic acid catalyzed controlled/living ring-opening polymerization of trimethylene carbonate
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موضوعات مرتبط
مهندسی و علوم پایه
شیمی
شیمی آلی
پیش نمایش صفحه اول مقاله
چکیده انگلیسی
The ring-opening polymerization (ROP) of trimethylene carbonate (TMC) catalyzed by phosphoramidic acid (PAA) and initiated with benzyl alcohol (BnOH) has been investigated. The polymerization conditions were optimized to afford well-defined polytrimethylene carbonates (PTMCs). The molecular weight of the obtained PTMC with the [TMC]0/[BnOH]0/[PAA]0 ratio of 40:1:1 was analyzed by 1H NMR, Mn = 4180 g molâ1, showed good agreement with that estimated from the initial ratio, Mn = 3830 g molâ1. The kinetics and chain extension experiments have been carried out to further justify the controlled/living nature of this polymerization. The 1H NMR, SEC, and MALDI-TOF MS measurements were applied to analyze the obtained PTMCs.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Polymer - Volume 54, Issue 16, 19 July 2013, Pages 4177-4182
Journal: Polymer - Volume 54, Issue 16, 19 July 2013, Pages 4177-4182
نویسندگان
Jia Chen, Suli Kan, Haidong Xia, Feng Zhou, Xing Chen, Xiaoqin Jiang, Kai Guo, Zhenjiang Li,