Fig. 5: Re- and upcycling of B1. | Nature Communications

Fig. 5: Re- and upcycling of B1.

From: Essential oil-derived decomposable polymers via cycloaddition polymerization of silyl ether-linked phenylpropanoids

Fig. 5

A Repolymerization to yield P1 by adding 1 equiv. of dichlorodiisopropylsilane. B Synthesis of polyurethane via reaction with 4,4′-methylenebis(phenyl isocyanate) in the presence of 1,4-diazabicyclo[2.2.2]octane. C Epoxidation of B1 via reaction with epichlorohydrin. D Curing reactions of epoxide E1 with curing agents, such as 4,4′-methylenebis(cyclohexylamine) and isophoronediamine, to yield thermoset networks.

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