Insights into the Ring‐Expansion Polymerization of Thiiranes with 2,4‐Thiazolidinedione
Insights into the Ring‐Expansion Polymerization of Thiiranes with 2,4‐Thiazolidinedione
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深入了解硫杂环丙烷与 2,4â 噻唑烷二酮的环膨胀聚合
DOI:
10.1002/macp.201300213
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发表时间:
2013
影响因子:
2.5
通讯作者:
P. Vana
中科院分区:
文献类型:
--
作者:
J.-H. Schuetz;L. Sandbrink;P. Vana
The behavior of the ring‐expansion homopolymerization of 2 (phenoxymethyl)thiirane (PMT) and propylene sulfide (PS), respectively, with thiazolidine‐2,4‐dione (TZD) as a cyclic initiator is investigated. The polymerizations show steadily growing molar masses with increasing monomer conversions. In addition, reversible merging reactions between rings are observed, with up to six merged macrocycles formed. The degree of merging is strongly dependent on the initial monomer concentration, whereas temperature has only a small impact. Under optimized conditions,ring‐poly(PMT) polymer with values ofMnup to 50 250 g mol−1and dispersities down to 1.11 can be synthesized. DSC and ESI‐MS measurements of the novelring‐poly(PS) prove the formation of ring polymer having topological purity above 95%.
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影响因子:
5.5
作者:
Boschmann, Daniel;Vana, Philipp
通讯作者:
Vana, Philipp
DOI:
--
发表时间:
2007
期刊:
影响因子:
--
作者:
M. Buback;H. Frauendorf;F. Günzler;Philipp Vana
通讯作者:
Philipp Vana
DOI:
10.1002/pola.20264
发表时间:
2004
期刊:
Journal of Polymer Science Part A
影响因子:
--
作者:
M. Buback;H. Frauendorf;Philipp Vana
通讯作者:
Philipp Vana
影响因子:
2.5
作者:
Jan;Philipp Vana
通讯作者:
Philipp Vana
DOI:
--
发表时间:
1998
期刊:
影响因子:
--
作者:
H. Kricheldorf;Soo;Nicole Schittenhelm
通讯作者:
Nicole Schittenhelm