Polyethylene is the most common synthetic polymer in the world. An inherent complexity in most polyethylene-base materials is their structural complexity including irregular branching from free-radical polymerization methods and random placement of the functional groups. Acyclic diene metathesis (ADMET) chemistry provides unprecedented structural control of functionalized linear polyethylenes with a precise number of methylene groups between alkyl branching or added functional groups. These remarkable materials promise to improve both performance and structure-property correlations. Through a combination of careful monomer design and ADMET polymerization, our group has been able to study the structure property relationships of precision aliphatic polyethylene-based polymers containing added functionality or regular alkyl branching. The highlighted materials show unique thermal properties and crystalline behavior. Presented is the synthesis, characterization, and properties afforded by the precision polyethylene-based materials.

Precision functional polyethylene-based polymers via acyclic Diene Metathesis (ADMET)

253rd National Meeting (2017)

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