Crystal Structure of Atactic and Isotactic Poly(3-hydroxy-2,2-dimethylbutyrate): A Chemically Recyclable Poly(hydroxyalkanoate) with Tacticity-Independent Crystallinity
Miriam Scoti,
Li Zhou,
Eugene Y.-X. Chen
et al.
Abstract:The crystal structures of isotactic and atactic poly(3-hydroxy-2,2-dimethylbutyrate) (P3H(Me) 2 B) are presented. Samples of atactic P3H(Me) 2 B (at-(R/S)-P3H(Me) 2 B) and of the R and S enantiomers of isotactic P3H(Me) 2 B (it-(R)-P3H(Me) 2 B and it-(S)-P3H(Me) 2 B, respectively) have been synthesized by ring opening polymerization of racemic and chiral dimethyl-butyrolactones employing a superbase catalyst. A 1:1 racemic mixture of the two R and S enantiomers (it-(R,S)-P3H(Me) 2 B) has been also prepared. Bo… Show more
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