Synthesis of degradable
polymers from renewable resources has been
a promising way to replace nonrenewable fossil fuel derived polymers
motivated by environmental sustainability. Poly(silylether)s (PSEs)
are a specific type of environmentally degradable polymer with many
potential applications. A series of PSEs have been synthesized (M
n up to 25 000 g/mol) from biorenewable
feedstocks, such as 5-hydroxymethylfurfural and its derivatives 2,5-bis(hydroxymethyl)furan,
2,5-diformylfuran, and 5,5′-[oxybis(methylene)]di(2-furaldehyde).
The polymerization reactions employ a versatile, air-stable manganese
salen complex, which catalyzes both the dehydrogenative cross-coupling
of hydroxyls with hydrosilanes and the hydrosilylation of carbonyls.
The chemical and thermal characterization of PSEs was carried out
by 1H NMR, 13C NMR, Fourier transform infrared
spectroscopy, gel permeation chromatography, differential scanning
calorimetry, and thermogravimetric analysis.
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