Research Summary
Research interests include proteins, polyelectrolytes, ionomers, liquid crystalline polymers, block copolymers, miscible polymer blends, branched polymers, networks, glass-forming liquids, and surfactants and colloidal suspensions. Ion-containing polymers are a poorly understood class of materials that are potentially very important for actuators, sensors, separators between the electrodes of advanced batteries and fuel cell membranes.In the News
Research Keywords
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Recent Publications
Ionic interactions control the modulus and mechanical properties of molecular ionic composite electrolytes
Bostwick, J. E., Zanelotti, C. J., Yu, D., Pietra, N. F., Williams, T., Madsen, L. A. & Colby, R. H., Jan 21 2022, In: Journal of Materials Chemistry C. 10, 3, p. 947-957 11 p.Research output: Contribution to journal › Article › peer-review
Reflections and appreciations from the Journal 's Departing Editor
Colby, R. H., Jan 1 2022, In: Journal of Rheology. 66, 1, p. 235 1 p.Research output: Contribution to journal › Editorial › peer-review
Predicting the Plateau Modulus from Molecular Parameters of Conjugated Polymers
Fenton, A. M., Xie, R., Aplan, M. P., Lee, Y., Gill, M. G., Fair, R., Kempe, F., Sommer, M., Snyder, C. R., Gomez, E. D. & Colby, R. H., Feb 23 2022, In: ACS Central Science. 8, 2, p. 268-274 7 p.Research output: Contribution to journal › Article › peer-review
Determining the Molecular Weight of Polyelectrolytes Using the Rouse Scaling Theory for Salt-Free Semidilute Unentangled Solutions
Han, A., Uppala, V. V. S., Parisi, D., George, C., Dixon, B. J., Ayala, C. D., Li, X., Madsen, L. A. & Colby, R. H., Aug 23 2022, In: Macromolecules. 55, 16, p. 7148-7160 13 p.Research output: Contribution to journal › Article › peer-review
Anion chemical composition of poly(ethylene oxide)-based sulfonylimide and sulfonate lithium ionomers controls ion aggregation and conduction
Mei, W., Yu, D., George, C., Madsen, L. A., Hickey, R. J. & Colby, R. H., Sep 2 2022, In: Journal of Materials Chemistry C. 10, 39, p. 14569-14579 11 p.Research output: Contribution to journal › Article › peer-review
Molecular Weight Characterization of Conjugated Polymers through Gel Permeation Chromatography and Static Light Scattering
Fair, R. A., Xie, R., Lee, Y., Colby, R. H. & Gomez, E. D., Sep 10 2021, In: ACS Applied Polymer Materials. 3, 9, p. 4572-4578 7 p.Research output: Contribution to journal › Article › peer-review
Rheology of Entangled Polyelectrolyte Solutions
Han, A. & Colby, R. H., Feb 9 2021, In: Macromolecules. 54, 3, p. 1375-1387 13 p.Research output: Contribution to journal › Article › peer-review
Effect of chemical substituents attached to the zwitterion cation on dielectric constant
Mei, W., Han, A., Hickey, R. J. & Colby, R. H., Dec 28 2021, In: Journal of Chemical Physics. 155, 24, 244505.Research output: Contribution to journal › Article › peer-review
Zwitterions Raise the Dielectric Constant of Soft Materials
Mei, W., Rothenberger, A. J., Bostwick, J. E., Rinehart, J. M., Hickey, R. J. & Colby, R. H., Nov 24 2021, In: Physical review letters. 127, 22, 228001.Research output: Contribution to journal › Article › peer-review
Rheology, Sticky Chain, and Sticker Dynamics of Supramolecular Elastomers Based on Cluster-Forming Telechelic Linear and Star Polymers
Mordvinkin, A., Döhler, D., Binder, W. H., Colby, R. H. & Saalwächter, K., Jun 8 2021, In: Macromolecules. 54, 11, p. 5065-5076 12 p.Research output: Contribution to journal › Article › peer-review
Rheological response of entangled isotactic polypropylene melts in strong shear flows: Edge fracture, flow curves, and normal stresses
Parisi, D., Han, A., Seo, J. & Colby, R. H., Jul 1 2021, In: Journal of Rheology. 65, 4, p. 605-616 12 p.Research output: Contribution to journal › Article › peer-review
Shear-induced nematic phase in entangled rod-like PEEK melts
Parisi, D., Seo, J., Schaake, R. P., Rhoades, A. M. & Colby, R. H., Jan 2021, In: Progress in Polymer Science. 112, 101323.Research output: Contribution to journal › Review article › peer-review
Dual Nakamura model for primary and secondary crystallization applied to nonisothermal crystallization of poly(ether ether ketone)
Seo, J., Zhang, X., Schaake, R. P., Rhoades, A. M. & Colby, R. H., Oct 2021, In: Polymer Engineering and Science. 61, 10, p. 2416-2426 11 p.Research output: Contribution to journal › Article › peer-review
Room Temperature to 150 °C Lithium Metal Batteries Enabled by a Rigid Molecular Ionic Composite Electrolyte
Yu, D., Pan, X., Bostwick, J. E., Zanelotti, C. J., Mu, L., Colby, R. H., Lin, F. & Madsen, L. A., Mar 25 2021, In: Advanced Energy Materials. 11, 12, 2003559.Research output: Contribution to journal › Article › peer-review
Ion Transport and Mechanical Properties of Non-Crystallizable Molecular Ionic Composite Electrolytes
Bostwick, J. E., Zanelotti, C. J., Iacob, C., Korovich, A. G., Madsen, L. A. & Colby, R. H., Feb 25 2020, In: Macromolecules. 53, 4, p. 1405-1414 10 p.Research output: Contribution to journal › Article › peer-review