Investigation on thermal, rheological, dielectric and spectroscopic properties of a polymer containing pendant spiroacetal moieties
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- 作者：Aurica P. Chiriac ; achiriac1@yahoo.com" class="auth_mail" title="E-mail the corresponding author ; Vera Balan ; Mihai Asandulesa ; Elena Butnaru ; Nita Tudorachi ; Elena Stoleru ; Loredana E. Nita ; Iordana Neamtu ; Alina Diaconu
- 关键词：Poly(N ; N-dimethylacrylamide-co-3 ; 9-divinyl-2 ; 4 ; 8 ; 10-tetraoxaspiro (5.5) undecane) ; Differential scanning calorimetry ; Rheological ; Dielectric and spectroscopic properties ; Contact angles
- 刊名：Materials Chemistry & Physics
- 出版年：2016
- 出版时间：1 September 2016
- 年：2016
- 卷：180
- 期：Complete
- 页码：291-300
- 全文大小：1715 K
文摘
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In depth investigation on poly(N,N dimethylacrylamide-co-3, 9-divinyl-2, 4, 8, 10-tetraoxaspiro (5.5) undecane) copolymer.
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The study evaluates the physico-chemical characteristics of the copolymer.
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DSC indicated a single glass transition temperature for the studied copolymer.
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The rheological studies confirmed the non-Newtonian shear-thinning fluid behavior of the copolymer solution.
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The main contribution to dielectric relaxation derived from the non-cooperative motion of the side groups.