Synthesis of Poly(silyl ethers) via Iridium-Catalyzed
Dehydrocoupling Polymerization
Posted on 2018-07-11 - 21:03
Poly(silyl ethers)
(PSEs) are promising degradable materials, and
the development of an efficient method to produce them from readily
available materials is highly desirable. Herein, we present a dehydrocoupling
polymerization of AB-type silyl alcohol monomers catalyzed by homogeneous
iridium(I) complexes bearing a bisphosphine ligand. A series of PSEs
containing aliphatic or aromatic linkers have been synthesized. The
PDI of PSEs could be tuned by varying the ligand of iridium/bisphosphine
complexes. Moderate to high yields of polymers with number-average
molecular weights (Mn) up to 9.27 ×
104 were obtained. The PSEs possess good thermal stability
and low glass-transition temperature (Tg = −42 to −83 °C).
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Zhai, Xiao-Yong; Hu, Shu-Bo; Shi, Lei; Zhou, Yong-Gui (2018). Synthesis of Poly(silyl ethers) via Iridium-Catalyzed
Dehydrocoupling Polymerization. ACS Publications. Collection. https://doi.org/10.1021/acs.organomet.8b00316
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AUTHORS (4)
XZ
Xiao-Yong Zhai
SH
Shu-Bo Hu
LS
Lei Shi
YZ
Yong-Gui Zhou