Synthesis and Plasticization Performance of Reactive Plasticizers Utilizing Catalyst-Free Azide-Alkyne Click Reaction
Three different reactive plasticizers (RPs), such as bicyclo[2.2.1]heptan-2-yl-methyl propiolate (NPA), bicyclo[2.2.1]heptan-2-yl-methyl butynoate (NBA), and bicyclo[2.2.1]heptan-2-yl-methyl pent-4-ynoate (NPEA), were synthesized in good yield and characterized. Thermal studies revealed
that RPs had low glass transition temperature (T
g < −90 °C) and were thermally stable up to 210 °C. The plasticization performance of RPs to GAP prepolymer was evaluated in terms of miscibility, viscosity reduction, and azide-alkyne Click reactivity. Results
made them good candidate as RPs for GAP-based polymers.
Keywords: Click Reactivity; Miscibility; Reactive Plasticizer; Synthesis; Viscosity
Document Type: Research Article
Affiliations: Department of Chemical Engineering, Daegu University, Gyeongsan, Gyeongbuk 38453, Korea
Publication date: 01 February 2019
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