Search Results - "Tonelli, A. E"

Physical properties of poly(ɛ-caprolactone) coalesced from its α-cyclodextrin inclusion compound by Williamson, B.R., Krishnaswamy, R., Tonelli, A.E.

“…Poly(ɛ-caprolactone) (PCL) is a biodegradable/bioabsorbable polyester used in such biomedical applications as drug delivery and suture manufacturing. PCL has…”
Get full text

Melt-crystallized nylon-6 nucleated by the constrained chains of its non-stoichiometric cyclodextrin inclusion compounds and the nylon-6 coalesced from them by Mohan, A., Gurarslan, A., Joyner, X., Child, R., Tonelli, A.E.

“…Non-covalently bonded crystalline inclusion compounds (ICs) have been formed by threading host cyclic starches, cyclodextrins (CDs), onto guest nylon-6 (N-6)…”
Get full text

Characterizing polymer macrostructures by identifying and locating microstructures along their chains with the kerr effect by Hardrict, S. N., Gurarslan, R., Galvin, C. J., Gracz, H., Roy, D., Sumerlin, B. S., Genzer, J., Tonelli, A. E.

“…In this brief report, we demonstrate that Kerr effect measurements, which determine the excess birefringence contributed by polymer solutes in dilute solutions…”
Get full text

PET versus PEN: what difference can a ring make? by TONELLI, A. E

“…Poly(ethylene terephthalate) (PET) and poly(ethylene 2,6-naphthalate) (PEN) are structurally related polyesters. In each polymer, the ethylene glycol diesters…”
Get full text

Polymer/Polymer Inclusion Compounds as a Novel Approach To Obtaining a PLLA/PCL Intimately Compatible Blend by Rusa, Cristian C, Tonelli, Alan E

“…Aliphatic polyesters represent an important family of biodegradable materials. Increasing attention has been focused on hydrolytically unstable lactone…”
Get full text

Molecular mixing of incompatible polymers through formation of and coalescence from their common crystalline cyclodextrin inclusion compounds by Rusa, C. C., Wei, M., Shuai, X., Bullions, T. A., Wang, X., Rusa, M., Uyar, T., Tonelli, A. E.

“…We describe the successful mixing of polymer pairs and triplets that are normally incompatible to form blends that possess molecular‐level homogeneity. This is…”
Get full text

Formation of and Coalescence from the Inclusion Complex of a Biodegradable Block Copolymer and α-Cyclodextrin:  A Novel Means To Modify the Phase Structure of Biodegradable Block Copolymers by Shuai, Xintao, Porbeni, Francis E, Wei, Min, Shin, I. Daniel, Tonelli, Alan E

“…A well-defined biodegradable block copolymer (PCL-b-PLLA, M n = 1.72 × 104, M w/M n = 1.37) of poly(ε-caprolactone) (PCL) and poly(l-lactide) (PLLA) was…”
Get full text

Single-Component Polymer Composites by Gurarslan, A, Tonelli, A. E

“…Noncovalently bonded crystalline inclusion compounds (ICs) have been formed by threading host cyclic starches, cyclodextrins (CDs), onto guest nylon-6 (N-6)…”
Get full text

Formation and characterization of the inclusion compounds between poly(ε-caprolactone)-poly(ethylene oxide)-poly(ε-caprolactone) triblock copolymer and α- and γ-cyclodextrin by Lu, Jin, Shin, I.D, Nojima, S, Tonelli, A.E

“…We report the formation of crystalline inclusion compounds (ICs) between poly(ε-caprolactone)-poly(ethylene oxide)-poly(ε-caprolactone) triblock copolymer…”
Get full text

Reorganization of the structures, morphologies, and conformations of bulk polymers via coalescence from polymer-cyclodextrin inclusion compounds by Bullions, T. A., Wei, M., Porbeni, F. E., Gerber, M. J., Peet, J., Balik, M., White, J. L., Tonelli, A. E.

“…Bulk poly(ethylene terephthalate) (PET) and bisphenol A polycarbonate (PC) samples have been produced by the coalescence of their segregated, extended chains…”
Get full text

Two-Dimensional Spin-Diffusion NMR Reveals Differential Mixing in Biodegradable Polymer Blends by Jia, Xin, Wang, Xingwu, Tonelli, A. E, White, Jeffery L

“…Length scales of mixing in amorphous blends of solid PCL (polycaprolactone) and PLLA (poly-l-lactic acid) were investigated as a function of preparation…”
Get full text

Intimate blend of poly(ethylene terephthalate) and poly(ethylene 2,6-naphthalate) via formation with and coalescence from their common inclusion compound with γ-cyclodextrin by Bullions, T. A., Edeki, E. M., Porbeni, F. E., Wei, M., Shuai, X., Rusa, C. C., Tonelli, A. E.

“…The experimental procedures to place poly(ethylene 2,6‐naphthalate) (PEN) guest molecules within γ‐cyclodextrin (γ‐CD) host molecules are described along with…”
Get full text

Properties of films and fibers obtained from Lewis acid–base complexed nylon 6,6 by Afshari, M., Gupta, A., Jung, D., Kotek, R., Tonelli, A.E., Vasanthan, N.

“…A nylon 6,6 complex with GaCl3 in nitromethane (4–5wt% nylon 6,6) was prepared at 50–70°C over 24h for the purpose of disrupting the interchain hydrogen…”
Get full text

Modeling the conformations and mobilities of aliphatic polyamides and polyesters confined to channels by Tonelli, A. E

“…Polymers may be isolated from their neighboring chains in the solid state by formation of inclusion compounds with host clathrates, such as urea and…”
Get full text

Controlling the Behaviors of Biodegradable/Bioabsorbable Polymers with Cyclodextrins by Rusa, C. C., Shuai, X., Shin, I. D., Bullions, T. A., Wei, M., Porbeni, F. E., Lu, J., Huang, L., Fox, J., Tonelli, A. E.

“…The cyclic six, seven, and eight-membered oligosaccharides α-, β-, and γ-cyclodextrins (CDs) can serve as hosts for a variety of polymer guests to form…”
Get full text

Unexpected Results from the Comparison of Solid-State Conformations and 13 C NMR Spectra of Poly (trimethylene terephthalate) and Its Model Compounds by VASANTHAN, N, WHITE, J. L, GYANWALI, G, SHIN, I. D, MAJIKES, J, PASQUINELLI, M. A, TONELLI, A. E

Get full text

Inclusion Compound Formed between Poly(L-lactic acid) and Urea by Howe, C, Vasanthan, N, MacClamrock, C, Sankar, S, Shin, I. D, Simonsen, I. K, Tonelli, A. E

Get full text

Conformations and motions of polypropylenes confined to channels by Tonelli, A. E

“…It is possible to study the solid-state conformations and motions of individual polymer chains, well-separated from neighboring chains, by observing their…”
Get full text

Study of the inclusion compounds formed between α-cyclodextrin and high molecular weight poly(ethylene oxide) and poly(ϵ-caprolactone) by Huang, Lei, Allen, Emily, Tonelli, Alan E.

“…We report the formation of high molecular weight polymer inclusion compounds (ICs) between α-cyclodextrin and poly(ethylene oxide) (PEO) ( M n = 100 kg mol…”
Get full text

Carbon-13 nuclear magnetic resonance study of chain conformation in the solid polymorphs of syndiotactic polystyrene by Gomez, M. A, Tonelli, A. E

Get full text