• On Dec. 23, 2014, this story was updated to correctly note that poly(propylene succinate) is the first example of a epoxide-anhydride copolymer stereocomplex, rather than the first polyester stereocomplex.
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Web Date: November 10, 2014

Chiral Catalyst Leads To New Stereopolymer

Polymer Science: Process marries right- and left-handed polymer chains to create a stereocomplex material with commodity potential
Department: Science & Technology | Collection: Green Chemistry
News Channels: Materials SCENE, Organic SCENE, JACS In C&EN
Keywords: stereocomplex, isotactic, polypropylene, epoxide, succinic acid

Taking advantage of a chiral cobalt catalyst, Geoffrey W. Coates and coworkers at Cornell University have copolymerized propylene oxide enantiomers and succinic anhydride to form poly(propylene succinate), the first member of a new class of thermoplastics (J. Am. Chem. Soc. 2014, DOI: 10.1021/ja509440g).

The team’s new polymer forms a semicrystalline stereocomplex, meaning it is a material made from combining right- and left-handed polymer chains. In addition to starting from . . .

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