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. 2007 Nov 21;129(46):14110-1.
doi: 10.1021/ja0742176. Epub 2007 Oct 31.

Biomimetic design of reversibly unfolding cross-linker to enhance mechanical properties of 3D network polymers

Aaron M Kushner  1 , Vahe Gabuchian, Evan G Johnson, Zhibin Guan
Affiliations

Biomimetic design of reversibly unfolding cross-linker to enhance mechanical properties of 3D network polymers

Aaron M Kushner et al. J Am Chem Soc. .
No abstract available

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Figures

Figure 1
Figure 1
Concept of biomimetic design of biomimetic modular cross-linker for enhancing network mechanical properties.
Figure 2
Figure 2
Stress-strain curves for 6% crosslinked poly(n-butyl acrylate) rubber for the sample (blue) and control specimen (strain rate: 100 mm/min, at room temperature).
Scheme 1
Scheme 1
Synthesis of the biomimetic UPy modular cross-linker. a) NaH, n-BuLi, THF, Br(CH2)4OBn, 52%; b) Br(CH2)9CH=CH2, K2CO3 , DMF, rt, 12h, 47%; c) Guanidine carbonate, EtOH, reflux, 12h, 72%; d) 4, Py, reflux, 6 h, 83%; e) DCM. f) (Cy3P)2RuCl2=CHPh, DCM, reflux, 1-2h, 65%; g) Pd(OH), 1 atm H2, THF, 68%; h) CHCl3, 2-isocyanatoethyl methacrylate, DBTDL.
See this image and copyright information in PMC

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