Rheological behavior of a quadruple hydrogen-bonded supramolecular polyester

D.J.M. Beek, van; G.W.M. Peters; R.P. Sijbesma; E.W. Meijer

Rheological behavior of a quadruple hydrogen-bonded supramolecular polyester

D.J.M. Beek, van, G.W.M. Peters, R.P. Sijbesma, E.W. Meijer

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Academic

Abstract

Functionalization of hydroxy telechelic poly(e-caprolactone) (PCL) (Mn = 2 kg/mol) with the quadruple hydrogen bonding unit 2-ureido-41;1H3;-pyrimidinone (UPy) leads to a supramol. polymer with improved properties and for use as a biomaterial. Oscillatory shear expts. were used to investigate the mech. properties of the new supramol. material. In the high frequency regime, the supramol. polymer shows similarities to com. available high mol. wt. PCL, indicating that dimerization of the UPy units leads to a high d.p. In the low frequency regime, a plateau in the moduli was obsd. indicating that relaxation was slow. Stress relaxation expts. confirm the presence of very slow relaxation processes, as even after 30 h significant residual stress was obsd. This indicates that the material exhibits a gel-like behavior, meaning that the melt state has a yield stress.

Original language	English
Title of host publication	Abstracts of Papers, 230th ACS National Meeting
Place of Publication	Washington, DC, United States
Publisher	American Chemical Society
Pages	PMSE-257
Publication status	Published - 2005
Event	230th ACS National Meeting - Washington, United States Duration: 28 Aug 2005 → 1 Sept 2005

Conference

Conference	230th ACS National Meeting
Country/Territory	United States
City	Washington
Period	28/08/05 → 1/09/05

Cite this

@inproceedings{355b90f1f61547539f2a0af61f9b518a,

title = "Rheological behavior of a quadruple hydrogen-bonded supramolecular polyester",

abstract = "Functionalization of hydroxy telechelic poly(e-caprolactone) (PCL) (Mn = 2 kg/mol) with the quadruple hydrogen bonding unit 2-ureido-41;1H3;-pyrimidinone (UPy) leads to a supramol. polymer with improved properties and for use as a biomaterial. Oscillatory shear expts. were used to investigate the mech. properties of the new supramol. material. In the high frequency regime, the supramol. polymer shows similarities to com. available high mol. wt. PCL, indicating that dimerization of the UPy units leads to a high d.p. In the low frequency regime, a plateau in the moduli was obsd. indicating that relaxation was slow. Stress relaxation expts. confirm the presence of very slow relaxation processes, as even after 30 h significant residual stress was obsd. This indicates that the material exhibits a gel-like behavior, meaning that the melt state has a yield stress.",

author = "{Beek, van}, D.J.M. and G.W.M. Peters and R.P. Sijbesma and E.W. Meijer",

year = "2005",

language = "English",

pages = "PMSE--257",

booktitle = "Abstracts of Papers, 230th ACS National Meeting",

publisher = "American Chemical Society",

address = "United States",

note = "230th ACS National Meeting ; Conference date: 28-08-2005 Through 01-09-2005",

}

TY - GEN

T1 - Rheological behavior of a quadruple hydrogen-bonded supramolecular polyester

AU - Beek, van, D.J.M.

AU - Peters, G.W.M.

AU - Sijbesma, R.P.

AU - Meijer, E.W.

PY - 2005

Y1 - 2005

N2 - Functionalization of hydroxy telechelic poly(e-caprolactone) (PCL) (Mn = 2 kg/mol) with the quadruple hydrogen bonding unit 2-ureido-41;1H3;-pyrimidinone (UPy) leads to a supramol. polymer with improved properties and for use as a biomaterial. Oscillatory shear expts. were used to investigate the mech. properties of the new supramol. material. In the high frequency regime, the supramol. polymer shows similarities to com. available high mol. wt. PCL, indicating that dimerization of the UPy units leads to a high d.p. In the low frequency regime, a plateau in the moduli was obsd. indicating that relaxation was slow. Stress relaxation expts. confirm the presence of very slow relaxation processes, as even after 30 h significant residual stress was obsd. This indicates that the material exhibits a gel-like behavior, meaning that the melt state has a yield stress.

AB - Functionalization of hydroxy telechelic poly(e-caprolactone) (PCL) (Mn = 2 kg/mol) with the quadruple hydrogen bonding unit 2-ureido-41;1H3;-pyrimidinone (UPy) leads to a supramol. polymer with improved properties and for use as a biomaterial. Oscillatory shear expts. were used to investigate the mech. properties of the new supramol. material. In the high frequency regime, the supramol. polymer shows similarities to com. available high mol. wt. PCL, indicating that dimerization of the UPy units leads to a high d.p. In the low frequency regime, a plateau in the moduli was obsd. indicating that relaxation was slow. Stress relaxation expts. confirm the presence of very slow relaxation processes, as even after 30 h significant residual stress was obsd. This indicates that the material exhibits a gel-like behavior, meaning that the melt state has a yield stress.

M3 - Conference contribution

SP - PMSE-257

BT - Abstracts of Papers, 230th ACS National Meeting

PB - American Chemical Society

CY - Washington, DC, United States

T2 - 230th ACS National Meeting

Y2 - 28 August 2005 through 1 September 2005

ER -

Rheological behavior of a quadruple hydrogen-bonded supramolecular polyester

Abstract

Conference

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