[图书][B] Viscoelastic behavior of rubbery materials

CM Roland - 2011 - books.google.com
The enormous size of polymer molecules causes their molecular motions to span a broad
range of length scales and give rise to viscoelastic behaviour. This rate-dependence of the …

Flow-induced mesophases in crystallizable polymers

L Li, WH de Jeu - Interphases and mesophases in polymer crystallization …, 2005 - Springer
In this chapter we review flow-induced mesophases in some crystalline polymers with rather
differentcharacteristics: polyethylene terephthalate, isotactic polypropylene and …

Stretch-Induced Crystallization and Phase Transitions of Poly(dimethylsiloxane) at Low Temperatures: An in Situ Synchrotron Radiation Wide-Angle X-ray Scattering …

J Zhao, P Chen, Y Lin, J Chang, A Lu, W Chen… - …, 2018 - ACS Publications
Stretch-induced crystallization (SIC) and phase transitions of poly (dimethylsiloxane)(PDMS)
have been studied with the in situ synchrotron radiation wide-angle X-ray scattering …

Local chain deformation and overstrain in reinforced elastomers: An NMR study

R Pérez-Aparicio, M Schiewek, JL Valentín… - …, 2013 - ACS Publications
A molecular-level understanding of the strain response of elastomers is a key to connect
microscopic dynamics to macroscopic properties. In this study we investigate the local strain …

Microscopic state of polymer network chains upon swelling and deformation

A Naumova, DC Agudelo, MA Villar, DA Vega… - …, 2019 - ACS Publications
We use low-resolution proton NMR to probe the chain deformation in swollen and
nonlinearly deformed vulcanized rubber and end-linked PDMS networks on a microscopic …

Microscopic study of chain deformation and orientation in uniaxially strained polymer networks: NMR results versus different network models

M Ott, R Pérez-Aparicio, H Schneider, P Sotta… - …, 2014 - ACS Publications
The complex pathway of transmitted stress and strain within elastic networks affects the
conformations of single network chains in a complex and inhomogeneous manner. For a …

Structural studies of extension-induced mesophase formation in poly (diethylsiloxane) elastomers: In situ synchrotron WAXS and SAXS

H Koerner, Y Luo, X Li, C Cohen, RC Hedden… - …, 2003 - ACS Publications
Amorphous poly (diethylsiloxane)(PDES) elastomers undergo a transition to an aligned
mesomorphic state when subjected to uniaxial tension. The structural changes associated …

Segmental anisotropy in strained elastomers detected with a portable NMR scanner

K Hailu, R Fechete, DE Demco, B Blümich - Solid State Nuclear Magnetic …, 2002 - Elsevier
Single-side NMR is particularly suitable for measurements of segmental anisotropy induced
in elastomers by uniaxial forces or local strain. Proton transverse nuclear magnetic …

Effects of molecular structure on segment orientation in poly (diethylsiloxane) elastomers. 2. NMR measurements from uniaxially stretched samples

RC Hedden, H Tachibana, TM Duncan… - Macromolecules, 2001 - ACS Publications
End-linked poly (diethylsiloxane) networks containing− CD2CH3 groups were studied in
uniaxial extension by solid-state 2H NMR. Chain segment orientation was measured for …

Conformational Behavior of Guest Chains in Uniaxially Stretched Poly(diethylsiloxane) Elastomers:  2H NMR and SANS

A Batra, RC Hedden, P Schofield, A Barnes… - …, 2003 - ACS Publications
2H nuclear magnetic resonance (NMR) and small angle neutron scattering (SANS) data are
reported for deuterated guest chains of polydiethysiloxane (PDES) in end-linked PDES …