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- Title
Synthesis and characterization of sustainable polyurethane modified by cyclic polysiloxane.
- Authors
Sheng, Yingpei; Jiang, Pingping; Zhang, Duyang; Hua, Jingyu
- Abstract
ABSTRACT In this article, a series of sustainable polyurethanes are prepared by introducing different content of cyclic polysilanol, which may act as a chain extender to replace 1, 4-butanediol (BDO). Consequently, cyclic polysiloxanes are successfully incorporated into the molecular chains to afford organic-inorganic polyurethanes and then their effects on polyurethanes thermal properties and surface hydrophilicity are fully characterized by thermogravimetric analysis (TGA), differential scanning calorimetry (DSC), and contact angle testing. Results show that the hybrid polyurethanes display enhanced glass transition temperatures ( Tg). While in terms of TGA, the effects of cyclic polysilanol on thermal properties seem complex, which would reduce the thermal stability in the first degradation process but enhance in the second process. The morphology observed by scanning electron microscopy (SEM) show that the inorganic constitutions, namely, cyclic polysilanol, may occur to self-condensation or aggregation, which can help to explain the uncommon thermal phenomenon above. Thus, an opportunity of future applicability in the areas of sustainable polymer with improved properties can be envisioned in our research method of hybrid polyurethanes. © 2014 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2015, 132, 41277.
- Subjects
POLYURETHANES; SILOXANES; BUTANEDIOL; THERMOGRAVIMETRY; DIFFERENTIAL scanning calorimetry
- Publication
Journal of Applied Polymer Science, 2015, Vol 132, Issue 2, pn/a
- ISSN
0021-8995
- Publication type
Article
- DOI
10.1002/app.41277