Study of swelling of poly[2-(N,N-dimethyl amino)ethyl methacrylate]-l-polyisobutylene (PDMAEMA-l-PIB) amphiphilic co-network

Attila Domján, K. Süvegh, B. Iván, A. Vértes

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

The swelling behavior of the PDMAEMA-l-PIB conetwork in hydrophobic (n-heptane) and hydrophilic (water and n-propanol) solvents were investigated simultaneously by conventional swelling and positron annihilation measurements with is an unusual experimental technique in the field of swelling studies. It was found that the solvent transport is "non-Fickian" in each of the three cases. Our measurements demonstrate that the positron lifetime spectroscopy is a suitable technique for obtaining information on the changes of the free volume and for following the swelling dynamics of APCNs.

Original languageEnglish
Pages (from-to)365-367
Number of pages3
JournalMaterials Science Forum
Volume363-365
Publication statusPublished - 2001

Fingerprint

polyisobutylene
Methacrylates
swelling
Swelling
1-Propanol
Positron annihilation
Free volume
Positrons
Heptane
Propanol
heptanes
positron annihilation
positrons
Spectroscopy
life (durability)
Water
water
spectroscopy

Keywords

  • Amphiphilic conetwork
  • Polymer
  • Positronium lifetime
  • Solvent transport
  • Swelling dynamics

ASJC Scopus subject areas

  • Materials Science(all)

Cite this

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abstract = "The swelling behavior of the PDMAEMA-l-PIB conetwork in hydrophobic (n-heptane) and hydrophilic (water and n-propanol) solvents were investigated simultaneously by conventional swelling and positron annihilation measurements with is an unusual experimental technique in the field of swelling studies. It was found that the solvent transport is {"}non-Fickian{"} in each of the three cases. Our measurements demonstrate that the positron lifetime spectroscopy is a suitable technique for obtaining information on the changes of the free volume and for following the swelling dynamics of APCNs.",
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T1 - Study of swelling of poly[2-(N,N-dimethyl amino)ethyl methacrylate]-l-polyisobutylene (PDMAEMA-l-PIB) amphiphilic co-network

AU - Domján, Attila

AU - Süvegh, K.

AU - Iván, B.

AU - Vértes, A.

PY - 2001

Y1 - 2001

N2 - The swelling behavior of the PDMAEMA-l-PIB conetwork in hydrophobic (n-heptane) and hydrophilic (water and n-propanol) solvents were investigated simultaneously by conventional swelling and positron annihilation measurements with is an unusual experimental technique in the field of swelling studies. It was found that the solvent transport is "non-Fickian" in each of the three cases. Our measurements demonstrate that the positron lifetime spectroscopy is a suitable technique for obtaining information on the changes of the free volume and for following the swelling dynamics of APCNs.

AB - The swelling behavior of the PDMAEMA-l-PIB conetwork in hydrophobic (n-heptane) and hydrophilic (water and n-propanol) solvents were investigated simultaneously by conventional swelling and positron annihilation measurements with is an unusual experimental technique in the field of swelling studies. It was found that the solvent transport is "non-Fickian" in each of the three cases. Our measurements demonstrate that the positron lifetime spectroscopy is a suitable technique for obtaining information on the changes of the free volume and for following the swelling dynamics of APCNs.

KW - Amphiphilic conetwork

KW - Polymer

KW - Positronium lifetime

KW - Solvent transport

KW - Swelling dynamics

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