کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
5189925 | 1381194 | 2007 | 14 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Star polymers synthesised with flexible resorcinarene-derived ATRP initiators
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
شیمی
شیمی آلی
پیش نمایش صفحه اول مقاله
چکیده انگلیسی
Two octafunctional resorcinarene-based ATRP initiators were synthesised where the initiating sites were separated from the macrocyclic ring with a short spacer. The spacer was introduced to reduce the steric hindrance at the initiating sites and to increase the number of arms in the resulting star polymers. Higher functionalities of starlike poly(tert-butyl acrylates), PtBA, and poly(methyl methacrylates), PMMA, were obtained, compared to the results by the initiators without a spacer. The kinetics of the polymerisations of tBA and MMA were investigated using various catalysts and solvents. The spacer increased the rate of the polymerisation of bulkier tBA monomer, but had little effect on the polymerisation of MMA.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Polymer - Volume 48, Issue 14, 29 June 2007, Pages 3938-3951
Journal: Polymer - Volume 48, Issue 14, 29 June 2007, Pages 3938-3951
نویسندگان
Satu Strandman, Heikki Tenhu,