Sato, Yuka; Takasu, Akinori published the artcile< Synthesis of L-Malic Acid Based Poly(ester-thioether)s via Thiol-Ene Click Polymerization and Their Biodegradability>, Product Details of C4H8O, the main research area is thiolene click polymerization synthesis polyester thioether biodegradability.
Many bio-based polymers made from natural resources do not show satisfactory biodegradability, leading to micro-plastic pollution. Here, thiol-ene click polymerization of di-3-butenyl L-malate (BMA) and diallyl L-malate (AMA) with several dithiols including 1,8-octanedithiol (OD) proceeded at 80°C to give poly(ester-thioether)s in excellent yields (70%-90%). Using an azo-type radical trigger, polymerization proceeded more rapidly to give the expected poly(ester-thioether)s with Mn ranging from 1.9×103 to 9.4×103 and a mol. dispersity index (Mw/Mn) of 2.19-3.66. Click polymerization using 1,2-ethanedithiol (ED), ethylene bis(thioglycolate), and 2,3-butanedithiol proceeded to give similar poly(ester-thioether)s. In differential scanning calorimetry, all samples except for poly(BMA-alt-OD) had single Tg values between -37 and -47°C. In biodegradation tests using activated sludge, poly(BMA-alt-OD) and poly(AMA-alt-ED) hardly showed biodegradability, but the other poly(ester-thioether)s showed 13%-22% biodegradation after 28 days. Our results open up new avenues in the design of bio-based polymers to reduce micro-plastic pollution.
ChemistrySelect published new progress about Biodegradation. 627-27-0 belongs to class alcohols-buliding-blocks, and the molecular formula is C4H8O, Product Details of C4H8O.
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